Patent application number | Description | Published |
20090067377 | MEDIUM ACCESS CONTROL FRAME STRUCTURE IN WIRELESS COMMUNICATION SYSTEM - A wireless communication infrastructure entity configured to allocate radio resources, in a radio frame, to a wireless terminal compliant with a first protocol and to a wireless terminal compliant with a second protocol. The radio frame including a first protocol resource region and a second protocol resource region. The radio frame including a first protocol allocation control message that allocates resources within the first protocol resource region to the wireless terminal compliant with the first protocol, and a second protocol allocation control message that allocates resources within the second protocol resource region to the wireless terminal compliant with the second protocol. | 03-12-2009 |
20090225721 | HIERARCHICAL PILOT STRUCTURE IN WIRELESS COMMUNICATION SYSTEMS - A method for communicating control channel information in a wireless communication system, including transmitting a super-frame having a time-frequency resource region containing an allocation control channel and multiple pilot elements, at least some of which are associated with the allocation control channel, and indicating, in a configuration information control channel of the super-frame, a characteristic of the pilots elements associated with the allocation control channel. | 09-10-2009 |
20090323614 | FRAME ALLOCATION TO SUPPORT LEGACY WIRELESS COMMUNICATION PROTOCOLS ON UPLINK TRANSMISSION | 12-31-2009 |
20100284482 | METHOD AND APPARATUS FOR RADIO RESOURCE ALLOCATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION SYSTEM - In an OFDM communication system, wherein a frequency bandwidth is divided into multiple Physical Resource Units (PRUs), a Frequency Partitioning Configuration Module (FPCM) is provided that configures a physical layer for use in multiple coverage areas. The FPCM divides the PRUs into a first group, for frequency selective allocations, and a second group, for frequency diverse allocations. The FPCM subdivides each of the two groups into multiple sets of PRUs, maps the sets of PRUs from the first group to consecutive PRUs allocated for contiguous segment allocation (CS-PRUs), and maps the sets of PRUs from the second group to consecutive PRUs allocated for distributed segment allocation (DS-PRUs). The FPCM permutes the DS-PRUs and allocates the CS-PRUs and the permuted DS-PRUs to at least one frequency partition. | 11-11-2010 |
20100296475 | METHOD AND APPARATUS FOR DETERMINING AN APPROPRIATE LINK PATH IN A MULTI-HOP COMMUNICATION SYSTEM - A determination of link quality (C | 11-25-2010 |
20120147813 | CLOSED-LOOP FEEDBACK DURING INITIAL RANGING PROCEDURE - During operation, the choice of the initial ranging code (sometimes referred to as a ranging preamble code, or a random-access preamble) at the mobile station is associated with a PMI feedback to be signaled to the base station during the initial ranging. More particularly, during initial system access a ranging code is transmitted by the mobile station to the base station. The mobile station chooses one of the available ranging codes based on the channel conditions and associates the ranging code with channel feedback information. The ranging code is then transmitted to the base station, and provides the base station with the channel feedback information. | 06-14-2012 |
Patent application number | Description | Published |
20100257779 | Quaternary Ammonium Salt Detergents for Use in Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 10-14-2010 |
20100286002 | Engine Oil Formulations for Biodiesel Fuels - The lubricant for an internal combustion engine fueled by a biodiesel fuel (that is, a liquid fuel containing a C1-C4 alkyl ester of a carboxylic acid of about 12 to about 24 carbon atoms) exhibits improved resistance to oxidative degradation when the lubricant contains an alkali metal detergent. | 11-11-2010 |
20110015105 | Lubricating Composition Containing Overbased Detergent - The invention provides a lubricating composition containing an oil of lubricating viscosity and a calcium-containing detergent with a soap content of 0.06 wt % to 1.6 wt % of the lubricating composition. The lubricating composition is suitable for lubricating an internal combustion engine. | 01-20-2011 |
20110143981 | Quaternary Ammonium Salt Detergents for Use in Lubricating Compositions - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 06-16-2011 |
20110185626 | Quaternary Ammonium Salt Detergents for Use in Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 08-04-2011 |
20120178655 | Engine Oil Formulations for Biodiesel Fuels - Oxidative degradation may be reduced in a lubricant composition which contains an oil of lubricating viscosity and at least about 1 percent by weight of a C1-C3 alkyl ester of a carboxylic acid of about 12 to about 24 carbon atoms, by including within the lubricant composition a sulfonate detergent in an amount sufficient to provide at least about 0.2 percent by weight sulfonate soap to the lubricant composition, wherein the weight ratio of sulfonate soap to phenate soap in the lubricant composition is at least about 0.35:1. | 07-12-2012 |
20120178656 | Dispersant Viscosity Modifiers - The disclosed invention relates to a composition comprising a grafted polymer. The polymer backbone comprises an olefin block and a vinyl aromatic block. The polymer backbone is grafted with a pendant carbonyl containing group, the grafting being conducted in oil in the presence of an initiator. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils. | 07-12-2012 |
20120178659 | Dispersant Viscosity Modifiers - The disclosed invention relates to a composition comprising a grafted polymer. The polymer comprises a backbone with at least one olefin block and at least one vinyl aromatic block. The polymer is grafted with a pendant carbonyl containing group, the grafting being conducted by halogenating the vinyl aromatic carbon of the vinyl aromatic block and then grafting a carboxylic acid or derivative thereof on the halogenated vinyl aromatic carbon in the presence of an activating agent. The carbonyl containing-group is optionally substituted to provide ester, imide and/or amide functionality. The grafted polymer is useful as a dispersant viscosity modifier in lubricating compositions such as engine oils. | 07-12-2012 |
20120192483 | Quaternary Ammonium Salt Detergents For Use In Fuels - A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits. | 08-02-2012 |
20120196778 | Lubricating Composition Containing an Antiwear Agent - The invention provides a lubricating composition containing (a) an oil of lubricating viscosity, (b) a phosphite having at least one hydrocarbyl group that has 4 or more carbon atoms, and (c) a compound derived from a hydroxy-carboxylic acid. The invention further relates to the use of the lubricating composition in an internal combustion engine. | 08-02-2012 |
20120245065 | Lubricating Composition Containing an Antiwear Agent - The invention provides a method of lubricating an aluminium-alloy surface of an internal combustion engine comprising supplying to the aluminium-alloy surface a lubricating composition comprising an oil of lubricating viscosity and an alkali or alkaline earth metal phenate detergent. The phenate disclosed herein may further provide antiwear performance on the aluminium-alloy surface. | 09-27-2012 |
20120289444 | Star Polymer Lubricating Composition - The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition. | 11-15-2012 |
20130150273 | Titanium and Molybdenum Compounds and Complexes as Additives in Lubricants - A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils. | 06-13-2013 |
20130210690 | Tartaric Acid Derivatives in HTHS Fluids - The present invention provides high-HTHS value lubricating compositions that have improved fuel economy performance. The present invention also provides methods of operating an internal combustion engine utilizing such compositions. The lubricating compositions of the invention utilize butane dioic imide compounds, such as tartrimides, and may also be low sulfur, low ash and low phosphorus, providing lower wear and friction and improved fuel economy. | 08-15-2013 |
20130263807 | Lubricating Oil Composition with Anti-Mist Additive - A lubricating composition containing an oil of lubricating viscosity, a high molecular weight polyolefin that is at least substantially free of ethylene-derived monomer units, and an overbased metal containing detergent, is capable of reducing intake valve deposits in a direct injection engine. | 10-10-2013 |
20130310291 | Process for Preparing Polymers and Compositions Thereof - The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer. | 11-21-2013 |
20140057818 | Lubricating Composition Containing an Antiwear Agent - The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine, or a driveline device. | 02-27-2014 |
20150045268 | Lubricants with Good TBN Retention - A lubricant composition containing a metal-containing detergent in an amount to provide at least about 2 TBN to the lubricant, and a dispersant comprising an oleophilic portion comprising at least about 40 carbon atoms and an acid-bearing portion, characterized in having a TAN:TBN ratio of at least about 0.8, exhibits good TBN retention. | 02-12-2015 |
Patent application number | Description | Published |
20110171531 | Multifunctional Nanocomposites of Carbon Nanotubes and Nanoparticles Formed Via Vacuum Filtration - In one aspect, the present invention provides a method of forming a film of nanocomposites of carbon nanotubes (CNTs) and platinum (Pt) nanoparticles. In one embodiment, the method includes the steps of (a) providing a first solution that contains a plurality of CNTs, (b) providing a second solution that contains a plurality of Pt nanoparticles, (c) combining the first solution and the second solution to form a third solution, and (d) filtering the third solution through a nanoporous membrane using vacuum filtration to obtain a film of nanocomposites of CNTs and Pt nanoparticles. | 07-14-2011 |
20120025150 | Separation of single-walled carbon nanotubes by electronic type using block copolymers - The separation of single-walled carbon nanotubes (SWNTs), by electronic type using centrifugation of compositions of SWNTs and surface active block copolymers in density gradient media. | 02-02-2012 |
20120042806 | Highly concentrated nano-reinforcement suspensions for cementitious materials and method of reinforcing such materials - Highly concentrated carbon nanotube or other nano-reinforcement suspensions and/or masses are prepared for use as admixtures in cement base materials to make cementitious composite materials. | 02-23-2012 |
20120281213 | SORTING PROCESS OF NANOPARTICLES AND APPLICATIONS OF SAME - In one aspect of the present invention, a method for sorting nanoparticles includes preparing a high-viscosity density gradient medium filled in a container, dispersing nanoparticles into an aqueous solution to form a suspension of the nanoparticles, each nanoparticle having one or more cores and a shell encapsulating the one or more cores, layering the suspension of the nanoparticles on the top of the high-viscosity density gradient medium in the container, and centrifugating the layered suspension of the nanoparticles on the top of the high-viscosity density gradient medium in the container at a predetermined speed for a predetermined period of time to form a gradient of fractions of the nanoparticles along the container, where each fraction comprises nanoparticles in a respective one of aggregation states of the nanoparticles. | 11-08-2012 |
20130040798 | Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation - The separation of single-walled carbon nanotubes (SWCNTs), by electronic type, using centrifugation of compositions of SWCNTs and surface active block copolymers in self-forming density gradient media. | 02-14-2013 |
20130184144 | METHODS OF MAKING NON-COVALENTLY BONDED CARBON-TITANIA NANOCOMPOSITE THIN FILMS AND APPLICATIONS OF THE SAME - In one aspect, a method of making non-covalently bonded carbon-titania nanocomposite thin films includes: forming a carbon-based ink; forming a titania (TiO | 07-18-2013 |
20140248214 | High-concentration aqueous dispersions of graphene using nonionic, biocompatible copolymers - Methods of using a surface active block copolymer to disperse graphene in an aqueous medium, such dispersions which can be subsequently separated and processed for a range of end-use applications, including biomedical applications. | 09-04-2014 |
20150034907 | GATE-TUNABLE P-N HETEROJUNCTION DIODE, AND FABRICATION METHOD AND APPLICATION OF SAME - One aspect of the invention relates to a gate-tunable p-n heterojunction diode including a vertical stacked heterojunction of two ultrathin semiconductors. In one embodiment, single-layer molybdenum disulphide of an n-type semiconductor are stacked below semiconducting single-walled carbon nanotubes of a p-type semiconductor with each of them connected to a gold electrodes to form a p-n heterojunction. The electrical properties of the p-n heterojunction can be modulated by a gate voltage applied to a gate electrode and range from an insulator to a linear-response resistor to a highly rectifying diode. The gate tunability of the p-n heterojunction also allows spectral control over the photoresponse. | 02-05-2015 |
20150072162 | Methods for preparation of concentrated graphene ink compositions and related composite materials - A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration. | 03-12-2015 |
Patent application number | Description | Published |
20120261858 | Methods for Increasing a Retention Force Between a Polymeric Scaffold and a Delivery Balloon - A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes inflating the delivery balloon during a diameter reduction to improve scaffold retention and maintaining an inflated balloon during the diameter reduction and prior and subsequent dwell periods. | 10-18-2012 |
20120302955 | Polymer Scaffold Sheaths - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath pair is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath pair is removed by a health professional before placing the scaffold within the body. | 11-29-2012 |
20120324696 | Sheaths Used With Polymer Scaffold - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath pair is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath pair is removed by a health professional before placing the scaffold within the body. | 12-27-2012 |
20130218256 | Polymer Scaffold Sheaths - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath pair is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath pair is removed by a health professional before placing the scaffold within the body. | 08-22-2013 |
20140379064 | PROTECTIVE SHEATH ASSEMBLY FOR A POLYMER SCAFFOLD - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath is removed by a health professional either by removing the sheath directly or using a tube containing the catheter. | 12-25-2014 |
20140379065 | REMOVABLE SHEATH ASSEMBLY FOR A POLYMER SCAFFOLD - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath is removed by a health professional either by removing the sheath directly or using a tube containing the catheter. | 12-25-2014 |
20150059960 | METHODS FOR INCREASING A RETENTION FORCE BETWEEN A POLYMERIC SCAFFOLD AND A DELIVERY BALLOON - A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes inflating the delivery balloon during a diameter reduction to improve scaffold retention and maintaining an inflated balloon during the diameter reduction and prior and subsequent dwell periods. | 03-05-2015 |
20150088241 | SHEATHS USED WITH POLYMER SCAFFOLDS - A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath pair is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. The sheath pair is removed by a health professional before placing the scaffold within the body. | 03-26-2015 |
Patent application number | Description | Published |
20090212258 | SEMICONDCUTOR NANOPARTICLE CAPPING AGENTS - Embodiments of the invention involve semiconductor nanoparticle capping ligands, their production and use. Ligands may have the formula | 08-27-2009 |
20100059721 | Method for Producing Aqueous Compatible Nanoparticles - A method for producing aqueous compatible semiconductor nanoparticles includes binding pre-modified ligands to nanoparticles without the need for further post-binding modification to render the nanoparticles aqueous compatible. Nanoparticles modified in this way may exhibit enhanced fluorescence and stability compared to aqueous compatible nanoparticles produced by methods requiring post-binding modification processes. | 03-11-2010 |
20100068522 | Surface Functionalised Nanoparticles - A process for the production of surface functionalised nanoparticles, such as the production of semiconductor quantum dot nanoparticles incorporating surface-bound functional groups that increase the ease with which the dots can be employed in applications, such as incorporation into solvents, inks, polymers, glasses, metals, electronic materials and devices, bio-molecules and cells. Embodiments of the method include reacting first and second nanoparticle precursor species in the presence of a nanoparticle surface binding ligand X—Y—Z where X is a nanoparticle surface binding group, Y is a linker group, and Z is a functional group, in which Y comprises a polyethyleneglycol group and/or Z comprises an aliphatic group incorporating a terminal unsaturated group, the reaction being effected under conditions permitting binding of said surface binding ligand to the growing nanoparticles to produce said surface functionalised nanoparticles. | 03-18-2010 |
20100113813 | SURFACE FUNCTIONALISED NANOPARTICLES - Embodiments of the invention relate to a process for the production of surface functionalised nanoparticles, such as semiconductor quantum dot nanoparticles incorporating surface-bound functional groups suitable for enabling the dots to be incorporated into silicone polymers. | 05-06-2010 |
Patent application number | Description | Published |
20120214611 | STRIKING FACE OF A GOLF CLUB HEAD - A golf club head with improved striking face performance is disclosed herein. More specifically, the present invention discloses a golf club head having a thickened central region surrounded by an internal and an external transition region; wherein the thickened central region has an inner perimeter that takes on a shape that substantially resembles the shape of an outer perimeter of the striking face of the golf club head. | 08-23-2012 |
20120289363 | GOLF CLUB HEAD HAVING A MULTI-MATERIAL FACE - A golf club head with a multi-material face is disclosed herein. The layers of the multi-material face are preferably attached to the club head using adhesive and mechanical methods. | 11-15-2012 |
20120302367 | METAL WOOD CLUB - A wood-type golf club including a head comprising a body having a face, a sole, a crown, a toe and a heel and a coordinate system with an x-axis extending horizontally tangent to a center of the club face, a y-axis extending vertically from the center of the club face, and a z-axis extending horizontally through the center of the club face. A system is disposed within the body for adjusting club face angle at address comprising an element that is rotatable about a system axis that is substantially parallel to the y-axis to provide at least first and second club face angle positions at address. The element may be any shape which changes club face angle at address. The system axis may alternatively be substantially parallel to the z-axis. Or, the element may even comprise a plurality of interchangeable adjustment portions interchangeably mated with a body portion. | 11-29-2012 |
20130225321 | GOLF CLUB HEAD WITH MULTI-MATERIAL FACE - A metal wood golf club with a striking face portion made from more than one material is disclosed. More specifically, due to the unique construction of the striking face portion having multiple materials, the present invention utilizes diffusion bonding, liquid interface diffusion, or even super plastic forming techniques to achieve the desirable bond between the more than one material used to form the striking face. The striking face portion is formed by adding a chip insert made from a secondary material that is different from the remainder of the striking face portion substantially near a geometric center of the striking face portion; wherein the secondary material has a higher Young's modulus than the remainder of the striking face portion. | 08-29-2013 |
20130303305 | STRIKING FACE OF A GOLF CLUB HEAD AND A METHOD OF MANUFACTURING THE SAME - An improved striking face of a golf club head and a method of manufacturing thereof is disclosed herein. More specifically, the present invention discloses an improved method of stamped forging variable face geometry onto the rear surface of a striking face from a frontal portion of the striking face; wherein the improved process allows for more precise finished parts with less need for complicated machining. The resulting striking face of a golf club head comprises of a substantially planar frontal surface and a substantially non-planar rear surface, wherein the substantially non-planar rear surface is created via a stamped forging process while the substantially planar frontal surface is created via a machining process. | 11-14-2013 |
20140031141 | GOLF CLUB HEADS HAVING ADJUSTABLE WEIGHTED CROWNS AND SOLES TO MOVE CENTER OF GRAVITY - The present invention provides golf clubs and golf club heads that can be weight adjusted to move the center of gravity of the clubs and heads. The wood-type clubs have heads with crown and soles plates containing weighted and non-weighted sections. The crown and sole plates can be rotated or removed. In this manner, the weighted sections of the crowns and sole plates can be moved to a particular location, and this adjusts the center of gravity of the club head. | 01-30-2014 |
20140080623 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. | 03-20-2014 |
20140080626 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. | 03-20-2014 |
20140080627 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. | 03-20-2014 |
20140080634 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The golf club head includes a multi-material construction including a face member, a midsection and an aft member that allows optimization of the mass distribution of the golf club head. The flexure provides compliance during an impact between the golf club head and a golf ball. | 03-20-2014 |
20140148271 | GOLF CLUB HEAD WITH MULTI-MATERIAL FACE - A metal wood golf club with a striking face portion made from more than one material is disclosed. More specifically, due to the unique construction of the striking face portion having multiple materials, the present invention utilizes diffusion bonding, liquid interface diffusion, or even super plastic forming techniques to achieve the desirable bond between the more than one material used to form the striking face. The different materials could even be the same base material with different compositions as long as they have different Young's modulus. | 05-29-2014 |
20140323240 | VARIABLE THICKNESS GOLF CLUB HEAD AND METHOD OF MANUFACTURING THE SAME - A portion of a golf club head comprising an external surface, an internal surface opposite said external surface, said internal surface adjacent an interior of said golf club head, wherein said external surface and said internal surface combine to create a plurality of thin regions and a plurality of thick regions, wherein said internal surface is created via a stamped forging process and wherein said external surface is created via a machining process, wherein said stamped forging process comprises placing said crown between a top punch and a bottom cavity, said top punch having a plurality of protrusions and said bottom cavity having a plurality of depressions, and compressing said top punch towards said bottom cavity to alter a shape of said crown, and wherein said machining process comprises machining off excess material from said external surface of said crown. | 10-30-2014 |
20140378244 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. | 12-25-2014 |
20150045141 | GOLF CLUB HEAD WITH MULTI-MATERIAL FACE - A metal wood golf club with a striking face portion made from more than one material is disclosed. More specifically, due to the unique construction of the striking face portion having multiple materials, the present invention utilizes diffusion bonding, liquid interface diffusion, or even super plastic forming techniques to achieve the desirable bond between the more than one material used to form the striking face. The striking face portion is formed by adding a chip insert made from a secondary material that is different from the remainder of the striking face portion substantially near a geometric center of the striking face portion; wherein the secondary material has a higher Young's modulus than the remainder of the striking face portion. | 02-12-2015 |
20150051012 | METAL WOOD CLUB - A golf club head is provided a weight system to adjust the center of gravity. In one embodiment, the weight system is a tube having a weight at one end that may be inserted into the golf club head to move the center of gravity at least forward and backward within 6 mm and up and down within 6 mm. Preferably, the tube is angled downward toward the face by at least 3 degrees. In another embodiment, the weight system may adjust the center of gravity of the golf club head along the x and z axis simultaneously using a weighted insert. | 02-19-2015 |
Patent application number | Description | Published |
20100285358 | Electrode Including Nanostructures for Rechargeable Cells - A lithium ion battery electrode includes silicon nanowires used for insertion of lithium ions and including a conductivity enhancement, the nanowires growth-rooted to the conductive substrate. | 11-11-2010 |
20100330419 | ELECTROSPINNING TO FABRICATE BATTERY ELECTRODES - Provided are electrode assemblies that contain electrochemically active materials for use in batteries, such as lithium ion batteries. Provided also are methods for fabricating these assemblies. In certain embodiments, fabrication involves one or more electrospinning operations such as, for example, electrospinning to deposit a layer of fibers on a conductive substrate. These fibers may include one or more electrochemically active materials. In the same or other embodiments, these or similar fibers can serve as templates for depositing one or more electrochemically active materials. Some examples of active materials include silicon, tin, and/or germanium. Also provided are electrode fibers that include cores containing a first active material and shells or optionally second shells (surrounding inner shells) containing a second active material. The second active material is electrochemically opposite to the first active material. One or more shells can function as a separator and/or as an electrolyte. | 12-30-2010 |
20110111296 | OPEN STRUCTURES IN SUBSTRATES FOR ELECTRODES - Provided are conductive substrates having open structures and fractional void volumes of at least about 25% or, more specifically, or at least about 50% for use in lithium ion batteries. Nanostructured active materials are deposited over such substrates to form battery electrodes. The fractional void volume may help to accommodate swelling of some active materials during cycling. In certain embodiments, overall outer dimensions of the electrode remain substantially the same during cycling, while internal open spaces of the conductive substrate provide space for any volumetric changes in the nanostructured active materials. In specific embodiments, a nanoscale layer of silicon is deposited over a metallic mesh to form a negative electrode. In another embodiment, a conductive substrate is a perforated sheet with multiple openings, such that a nanostructured active material is deposited into the openings but not on the external surfaces of the sheet. | 05-12-2011 |
20110111300 | INTERMEDIATE LAYERS FOR ELECTRODE FABRICATION - Provided are novel electrodes for use in lithium ion batteries. An electrode includes one or more intermediate layers positioned between a substrate and an electrochemically active material. Intermediate layers may be made from chromium, titanium, tantalum, tungsten, nickel, molybdenum, lithium, as well as other materials and their combinations. An intermediate layer may protect the substrate, help to redistribute catalyst during deposition of the electrochemically active material, improve adhesion between the active material and substrate, and other purposes. In certain embodiments, an active material includes one or more high capacity active materials, such as silicon, tin, and germanium. These materials tend to swell during cycling and may loose mechanical and/or electrical connection to the substrate. A flexible intermediate layer may compensate for swelling and provide a robust adhesion interface. Provided also are novel methods of fabricating electrodes containing one or more intermediate layers. | 05-12-2011 |
20110111304 | PRELOADING LITHIUM ION CELL COMPONENTS WITH LITHIUM - Provided are novel negative electrodes for use in lithium ion cells. The negative electrodes include one or more high capacity active materials, such as silicon, tin, and germanium, and a lithium containing material prior to the first cycle of the cell. In other words, the cells are fabricated with some, but not all, lithium present on the negative electrode. This additional lithium may be used to mitigate lithium losses, for example, due to Solid Electrolyte Interphase (SEI) layer formation, to maintain the negative electrode in a partially charged state at the end of the cell discharge cycle, and other reasons. In certain embodiments, a negative electrode includes between about 5% and 25% of lithium based on a theoretical capacity of the negative active material. In the same or other embodiments, a total amount of lithium available in the cell exceeds the theoretical capacity of the negative electrode active material. | 05-12-2011 |
20120183856 | ELECTRODE INCLUDING NANOSTRUCTURES FOR RECHARGEABLE CELLS - A lithium ion battery electrode includes silicon nanowires used for insertion of lithium ions and including a conductivity enhancement, the nanowires growth-rooted to the conductive substrate. | 07-19-2012 |
Patent application number | Description | Published |
20080300165 | Purposeful Movement Of Human Migratory Cells Away From An Agent Source - This invention provides methods and compositions for modulating movement of eukaryotic cells with migratory capacity. More specifically, the invention provides anti-fugetactic agents and methods for the use thereof in enhancing an immune response. | 12-04-2008 |
20100266561 | Recovery of Tissue Function Following Administration of B Cells to Injured Tissue - The present invention relates generally to systems and methods of enhancing recovery of function of injured tissue through administration of a composition comprising a relatively pure populations of B lymphocyte cells in a pharmaceutically acceptable carrier to the injured tissue. Kits are provided to aid in purification of B cells from heterogeneous mixtures of cells and administration of B cells to injured tissue. | 10-21-2010 |
20110129484 | IMMUNOTHERAPIES EMPLOYING SELF-ASSEMBLING VACCINES - Provided herein are self-assembling pharmaceutical compositions comprising a heat shock protein fused to a biotin-binding protein, wherein the biotin-binding protein is non-covalently bound to four biotinylated components, and further wherein at least two of the four biotinylated components are not identical. | 06-02-2011 |
20110178502 | CELL THERAPY FOR LIMITING OVERZEALOUS INFLAMMATORY REACTIONS IN TISSUE HEALING - Cells of the B cell lineage including pre-pro-B cells, pro-B cells, pre-B cells, immature B cells, and some mature B cells, and/or cells of the T cell lineage, especially those with helper or regulatory function, most preferably autologous to the recipient, can be transplanted into damaged tissue to enhance recovery following injury. In a preferred embodiment, the cells are selected based on those cells which appear at the site of injury a few days after injury, such as macrophages, lymphocytes, which accelerate clean up and repair of the injured site and to mitigate the overzealous inflammatory response, presumably by inhibiting the inflammatory cells such as neutrophils and signals released thereby immediately following injury. | 07-21-2011 |
20110287949 | METHODS FOR DETECTING AND TREATING CANCER - The invention generally features compositions and methods for the diagnosis, treatment, and monitoring of neoplasia in a subject, as well as methods of treatment selection. | 11-24-2011 |
20120329153 | CAR RECEPTOR AS A MEDIATOR OF MIGRATORY CELL CHEMOTAXIS AND/OR CHEMOKINESIS - This invention relates to methods and compositions for modulating movement of eukaryotic cells with migratory capacity. More specifically, the invention relates to methods and compositions for modulating movement of CaR receptor expressing cells of hematopoietic, neural, epithelial, endothelial, or mesenchymal origin, in a specific site in a subject. The foregoing are useful, inter alia, in the treatment of conditions characterized by a need to modulate migratory-cell movement associated with specific sites in a subject. Specific sites include sites of inflammation and modulation of migratory-cell movement is movement away from an agent source, or repulsion. The invention also relates to methods for manipulating io hematopoeitic progenitor cells and related products. In particular the invention includes methods and products for using CaR receptor-related compositions to enhance mobilization of hematopoietic progenitor cells, to improve the efficiency of targeting cells to the bone marrow, and/or to modulate hematopoietic progenitor cell function. | 12-27-2012 |
20140276358 | LASER ADJUVANTS FOR ENHANCING IMMUNE RESPONSE - Methods for enhancing an immune response to a vaccine using co-administration of radiation. | 09-18-2014 |
Patent application number | Description | Published |
20120069075 | OPTICAL SENSOR FOR PRINTER MEDIA MOTION DETECTION - An inkjet printer includes a paper tray for holding print media; a pick-up roller for moving the print media along at least a portion of a pre-print zone of a paper transport path; a light source disposed along the pre-print zone of the paper transport path that directs light toward a non-print side of the print media for illuminating the non-print side of the print media; and an array sensor that receives reflected light from the non-print side of the print media; wherein data from the sensor is used to determine an amount of motion of the print media in the pre-print zone. | 03-22-2012 |
20120139985 | PRINTER FOR DETERMINING PAPER TYPE USING TRANSMITTANCE - A printer that determines paper type includes one or more light sources sequentially outputting a short wavelength radiation and a long wavelength radiation onto a paper that transmits the long wavelength radiation and the short wavelength radiation is absorbed by a fluorescent compound in the paper resulting in the emission of long wavelength fluorescent radiation; a first detector that detects a long wavelength fluorescence signal resulting from the short wavelength source and a transmittance signal resulting from the long wavelength source; and a lookup table that determines a paper type from a plurality of paper types based on the fluorescence signal and transmittance signals. | 06-07-2012 |
20120139986 | METHOD FOR DETERMINING PAPER TYPE IN PRINTERS - A method for determining a type of paper and for determining printing parameters based on the type of paper, the method includes the steps of (a) illuminating a paper sequentially with an short wavelength radiation and a long wavelength radiation; detecting a fluorescence signal resulting from the short wavelength radiation and a long wavelength signal resulting from the long wavelength radiation; determining a paper type from a plurality of paper types based on the fluorescence signal and second long wavelength signal; and adjusting the printing parameters based on the determined paper type. | 06-07-2012 |
20120139991 | PRINTER FOR DETERMINING PAPER TYPE USING REFLECTION - A printer that determines paper type includes one or more short and long wavelength radiation sources sequentially outputting a short wavelength radiation and a long wavelength radiation onto a paper that reflects the long wavelength radiation and the short wavelength radiation is absorbed by a fluorescent compound in the paper resulting in the emission of long wavelength fluorescent radiation; a first detector that detects a long wavelength fluorescence signal resulting from the short wavelength source and a reflectance signal resulting from the long wavelength source; and a lookup table that determines a paper type from a plurality of paper types based on the fluorescence signal and reflectance signals. | 06-07-2012 |
20120140007 | INKJET PRINTERS WITH DUAL PAPER SENSORS - A printer that determines paper type includes a first short and long wavelength radiation source located on a first side of paper which first radiation source sequentially outputs a short wavelength radiation and a long wavelength radiation onto the first side of the paper that reflects the long wavelength radiation and the short wavelength radiation is absorbed by the paper and emitted as long wavelength fluorescence radiation; one or more first detectors located on the first side of the paper and each detector detects a long wavelength fluorescence signal resulting from the short wavelength radiation source of the first radiation source and a reflectance signal resulting from the long wavelength radiation source of the first short and long wavelength radiation source; a second short and long wavelength radiation source located on a second side of the paper which second short wavelength and long wavelength radiation source sequentially outputs a short wavelength radiation and a long wavelength radiation onto the second side of the paper that reflects the long wavelength radiation and the short wavelength radiation is absorbed by the paper and emitted as long wavelength fluorescence radiation; one or more second detectors located on the second side of the paper each detector detects a long wavelength fluorescence signal resulting from the short wavelength radiation source of the second radiation source and a reflectance signal resulting from the long wavelength radiation source of the second short and long wavelength radiation source; and a lookup table that determines a paper type from a plurality of paper types based on the fluorescence signal and reflectance signals. | 06-07-2012 |
20120306955 | INKJET PRINTER HAVING AUTOMATED CALIBRATION - An inkjet printer includes a printer carriage positioned on a first side of a platen and that moves across at least a portion of the platen; a light source positioned on a second side of the platen which second side is different from the first side; a sensor positioned on the printer carriage that detects an amount of light illuminated from the light source; an electronic device that receives data indicating the amount of light transmitted through a media patch with known characteristics; wherein the electronic device compares the amount of transmitted light to stored target values to determine a variation of the sensor response for forming a correction factor; wherein the electronic device uses the correction factor to calibrate at least a first signal of the inkjet printer. | 12-06-2012 |
20120306957 | METHOD FOR DETERMINING VARIANCE OF INKJET SENSOR - A method for determining a variance of a sensor in inkjet printers includes maintaining a printer carriage at a stationary position; illuminating a media patch of known characteristics with a light source that varies an intensity of the light between at least a first and second intensity, in which the second intensity is different from the first intensity; obtaining at least specular reflectance data from light reflected off the print media by measuring a signal from a photo-detector during the illumination; and comparing the specular data to stored values to determine a variation of the sensor response for forming a correction factor; and using the correction factor to calibrate at least a first signal of the inkjet printer. | 12-06-2012 |
20120306958 | METHOD FOR ADJUSTING A SENSOR RESPONSE - A method for determining a variance of a sensor in inkjet printers comprising maintaining a printer carriage at a stationary position; illuminating a media patch of known characteristics with a light source that varies an intensity of the light between at least a first and second intensity, in which the second intensity is different from the first intensity; obtaining an amount of light transmitted through the media patch by measuring a signal from a photo-detector during the illumination; and comparing the amount of received light to stored target values to determine a variation of the sensor response for forming a correction factor; and using the correction factor to calibrate at least a first signal of the inkjet printer. | 12-06-2012 |
20130162748 | INTEGRATED IMAGING SYSTEM FOR PRINTING SYSTEMS - An integrated imaging system for a printing system that prints content on a moving print media includes a housing, an opening in the housing for receiving light reflected from the print media, a folded optical assembly in the housing that receives the reflected light and transmits the light a predetermined distance, and an image sensor within the housing that receives the light and captures one or more images of the printed content. | 06-27-2013 |
20130163827 | METHOD FOR DETECTING ARTIFACTS IN PRINTED CONTENT - A method for detecting artifacts in content printed on a moving print media includes capturing one or more images of the content as the print media is moving to obtain pixel data and averaging the pixel data to produce blur in one direction. The one direction can be the direction the print media is moving. Derivative data of the averaged pixel data is determined. A determination is then made as to whether or not one or more peaks are present in the derivative data. If one or more peaks are present, a determination can be made as to whether or not the one or more peaks meet or exceed a threshold value. | 06-27-2013 |
20130257966 | TESTING OF NOZZLES USED IN PRINTING SYSTEMS - A system for testing one or more nozzles in a nozzle plate includes a fixture for holding the nozzle plate, a gas input device for jetting gas through the nozzle, and a first stationary schlieren optical system for producing a light-intensity representation of a gas stream jetted from the nozzle. An image capture device can capture one or more images of the light-intensity representation or the light-intensity representation can be projected onto a screen. | 10-03-2013 |
20130257967 | TESTING OF NOZZLES USED IN PRINTING SYSTEMS - A method for testing a nozzle in a nozzle plate includes jetting gas through the nozzle and forming one or more light-intensity representations of a gas stream jetted from the nozzle using at least one stationary schlieren optical system. One or more images can be captured of the one or more light-intensity representations of the gas stream jetted from the nozzle. Alternatively, respective light-intensity representations of the gas stream jetted from the nozzle can be projected onto a screen. | 10-03-2013 |
20130257968 | TESTING OF NOZZLES USED IN PRINTING SYSTEMS - A method for testing a nozzle in a nozzle plate includes setting an angle of the nozzle plate with respect to an optical axis of a schlieren optical system to a first angle, jetting gas through the nozzle, forming a first light-intensity representation of the gas stream jetting from the nozzle using the schlieren optical system, and capturing a first image of the first light-intensity representation. The angle of the nozzle plate with respect to the optical axis of the schlieren optical system is then adjusted to a different second angle. A second light-intensity representation of the gas stream jetting from the nozzle is formed using the schlieren optical system and a second image of the second light-intensity representation is then captured. The first and second images can be analyzed to determine whether the nozzle is functioning properly. | 10-03-2013 |
20130321512 | DETECTING STRETCH OR SHRINK IN PRINT MEDIA - A print media in a printing system includes multiple test patterns with each test pattern having one or more marks. Each test pattern can have a different number of marks. A method for detecting size variations in the print media while the print media is moving through the printing system includes scanning the test patterns as the print media is moving in a transport direction to produce test pattern signals, with each signal representing a respective test pattern, and analyzing the measured test pattern signals to determine whether a size variation has occurred in the print media. One or more compensation values can be determined based on the size variation. If a size variation is detected, the operation or setting of one or more components in the printing system can be adjusted based on the one or more compensation values. | 12-05-2013 |
20130321513 | DETECTING STRETCH OR SHRINK IN PRINT MEDIA - A printing system includes a print media and one or more non-objectionable test patterns formed or printed on the print media. An integrated imaging system captures images of the one or more non-objectionable test patterns. The integrated imaging system includes a housing, an opening in the housing for receiving light reflected from a moving print media, a folded optical assembly in the housing that receives the reflected light and transmits the light a predetermined distance, and an image sensor within the housing that receives the light and captures one or more images of the one or more non-objectionable test patterns. A processing device can process the one or more images to determine if one or more size variations have occurred in the print media. | 12-05-2013 |
20130321515 | DETECTING STRETCH OR SHRINK IN PRINT MEDIA - A printing system includes a print media having two sets of test patterns formed or printed in at least two margins adjacent a content area on the print media. The two sets of test patterns are separated by a pattern distance and at least two test patterns in each set of test patterns have a different number of marks. Two integrated imaging systems are disposed opposite the print media and are mechanically tied together and separated by a fixed distance. The integrated imaging systems substantially simultaneously capture images of the two sets of test patterns. An image processing device can process the images to determine if one or more size variations have occurred in the print media in the in-track direction. | 12-05-2013 |
20130321516 | DETECTING STRETCH OR SHRINK IN PRINT MEDIA - A printing system includes a print media having two sets of test patterns formed or printed in at least two margins adjacent a content area on the print media. The two sets of test patterns are separated by a pattern distance and at least two test patterns in each set of test patterns have a different number of marks. Two integrated imaging systems are disposed opposite the print media and are mechanically tied together and separated by a fixed distance. The integrated imaging systems substantially simultaneously capture images of the two sets of test patterns. An image processing device can process the images to determine if one or more size variations have occurred in the print media in the in-track direction. | 12-05-2013 |
20140002522 | FLAT FIELD AND DENSITY CORRECTION IN PRINTING SYSTEMS | 01-02-2014 |
20140002523 | IDENTIFYING A LINEHEAD PRODUCING AN ARTIFACT IN CONTENT PRINTED ON A MOVING PRINT MEDIA | 01-02-2014 |
20140002535 | IDENTIFYING A LINEHEAD PRODUCING AN ARTIFACT IN CONTENT PRINTED ON A MOVING PRINT MEDIA | 01-02-2014 |
20140002536 | FLAT FIELD AND DENSITY CORRECTION IN PRINTING SYSTEMS | 01-02-2014 |
20140015889 | EDGE DETECTION IN A PRINTING SYSTEM - A printing system includes an integrated imaging system that captures images of a moving print media and a portion of a support device extending out from at least one edge of the moving print media. A method for edge detection includes capturing one or more images of the moving print media and a portion of the support device extending out from at least one edge of the moving print media to obtain pixel data and averaging the pixel data to produce blur in a media transport direction. Derivative data of the averaged pixel data is then determined and at least one peak is detected in the derivative data. A determination is made as to whether a location of a respective edge of the moving print media is associated with the at least one peak and positioned correctly. | 01-16-2014 |
20140015890 | EDGE DETECTION IN A PRINTING SYSTEM - A printing system includes one or more integrated imaging systems each positioned opposite a moving print media for capturing one or more images of the moving print media and a portion of a support device extending out from at least one edge of the moving print media. Each integrated imaging system includes an opening in a housing for receiving light reflected from the moving print media and the support device, a folded optical assembly in the housing that receives the reflected light and transmits the light a predetermined distance, and an image sensor within the housing that receives the light from the focusing lens and captures the one or more images. The folded optical assembly includes one or more mirrors that direct light to a lens assembly. The lens assembly includes a zoom lens and a focusing lens. | 01-16-2014 |
20140015891 | EDGE DETECTION IN A PRINTING SYSTEM - A method for detecting artifacts in content printed and for edge detection includes adjusting a focal length of a lens assembly to change an angle of view of the integrated imaging system to include a moving print media and a portion of a support device extending out from at least one edge of the moving print media. One or more images of the moving print media and the portion of the support device is captured to obtain pixel data. Alternatively, the angle of view of the integrated imaging system can be adjusted to include the moving print media and one or more images of the moving print media is captured to obtain pixel data. The pixel data is averaged to produce blur in a media transport direction. Derivative data of the averaged pixel data is determined at least one peak is detected in the derivative data. | 01-16-2014 |
20140015892 | EDGE DETECTION IN A PRINTING SYSTEM - A printing system includes an imaging system positioned opposite a print media for capturing images of the moving print media and a portion of a support device extending out from the edges of the print media. The integrated imaging system includes a housing, an opening in the housing for receiving light reflected from the moving print media and the support device, a folded optical assembly in the housing that transmits the light a predetermined distance, and an image sensor within the housing that receives the light and captures the one or more images. An image processing device is connected to the integrated imaging system and adapted to determine derivative data of averaged pixel data and to determine whether a respective edge of the print media is associated with at least one peak detected in the derivative data and positioned correctly. | 01-16-2014 |
20140035990 | INCORRECT STITCHING DETECTION IN A PRINTING SYSTEM - A printing system includes a linehead that includes two adjacent printheads and an integrated imaging system positioned opposite a moving print media for capturing one or more images of content printed on the moving print media in at least a stitch boundary or an overlap region. The integrated imaging system includes an opening in a housing for receiving light reflected from the moving print media; a folded optical assembly in the housing that receives the reflected light and transmits the light a predetermined distance; and an image sensor within the housing that receives the light and captures the one or more images. An image processing device is adapted to determine derivative data of averaged pixel data obtained from the one or more captured images and to detect one or more peaks in the derivative data that represent stitching artifacts. | 02-06-2014 |
20140035991 | INCORRECT STITCHING DETECTION IN A PRINTING SYSTEM - A method for monitoring stitching between two adjacent printheads includes capturing one or more images of content printed on a moving print media in at least a stitch boundary or overlap region to obtain pixel data. The pixel data is then averaged in a media transport direction to produce blur in an image or images. Derivative data of the averaged pixel data is determined and one or more peaks is detected in the derivative data. A type of stitching artifact is determined based on the detected peak in the derivative data. | 02-06-2014 |
20140204147 | PRINTHEAD COLOR DENSITY CORRECTION IN PRINTING SYSTEMS - A printing system includes a linehead that jets ink onto a moving print media to print a test block and an integrated imaging system positioned downstream of the linehead with respect to a media transport direction. The integrated imaging system includes an opening in a housing for receiving light reflected from a moving print media. A folded optical assembly in the housing receives the reflected light and transmits the light a distance. One or more image sensors, having known color filter arrays, within the housing each receive the light and capture one or more images of the printed test block. An image processing device is connected to the integrated imaging system for receiving pixel data from the one or more image sensors and configured to determine a color of the ink and a density of the printed test block using the pixel data. | 07-24-2014 |
Patent application number | Description | Published |
20090005954 | Combustion control in an internal combustion engine - The present invention relates to: self-tuning engine control algorithms using inputs from transducers that measure pressure in the engine cylinders, and from an engine crankshaft rotational position sensor; methods of processing the input signals to “self-tune” or learn accurate values for a) pressure transducer voltage offset, b) crank position encoder error and c) engine compression ratio; improved pressure-ratio-based algorithms for calculating cylinder heat release fraction as a function of crank angle. | 01-01-2009 |
20100000202 | Dual catalyst NOx reduction system for exhaust from lean burn internal combustion engines - A method and apparatus for reducing the percentage of nitrogen dioxide and nitrogen monoxide in an exhaust gas stream of an internal combustion engine, comprising the steps of injecting a hydrocarbon compound and optionally hydrogen into the exhaust gas stream; passing the exhaust gas through a first catalyst for selective reduction of a portion of the nitrogen oxides to nitrogen, ammonia, and N-containing species; passing the exhaust gas through a second catalyst for selective reduction of a portion of the nitrogen oxides with ammonia to molecular nitrogen; sensing ammonia concentration in the exhaust gas stream after passage through either or both of the first and second catalysts; and controlling by a controller in a feedback loop the injecting to an amount of hydrocarbon that will produce a predetermined concentration of ammonia and nitrogen oxides at the sensor that will lead to high NOx conversion. | 01-07-2010 |
20110320104 | ENGINE COMBUSTION CONTROL USING IGNITION DWELL - An engine control system, a controller for the engine control system, and a method of controlling a combustion process in an internal combustion engine operating at an engine operating condition. The engine control is based on closed-loop control of ignition dwell. Ignition dwell is defined as time or crank angle difference between an end of fuel injection (EOI), or some other aspect of an injection control signal, and a start of combustion (SOC), or some other aspect of an internal combustion event. One or more engine control devices, such as a fuel injector or an exhaust gas recirculation valve may be varied to control ignition dwell. By providing such a closed-loop engine control based on ignition dwell, the air/fuel charge mixture, and/or stratification present in the combustion chamber at the moment combustion starts may be controlled. Advanced combustion systems utilizing premixed compression ignition (PCI) offer the benefit of low temperature combustion for simultaneous low NOx and particulate emissions with high fuel economy. Combustion control based on ignition dwell can be used to optimize engine emissions and fuel consumption for PCI over the operating range. | 12-29-2011 |
20120222639 | VALVE TRAIN SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A valve train system for an internal combustion engine includes an exhaust valve moveable between an exhaust closed position and an exhaust open position. A camshaft includes a main exhaust lobe for moving the exhaust valve between the exhaust closed position and the exhaust open position for expelling exhaust constituents from the combustion chamber and an exhaust rebreath lobe for moving the exhaust valve between the exhaust closed position and the exhaust open position for allowing exhaust constituents into the combustion chamber. A two-step device is provided for transmitting motion from the camshaft to the exhaust valve and is switchable between a motion transmitting position and a motion preventing position such that the motion transmitting position allows motion to be transmitted from the exhaust rebreath lobe to the exhaust valve and the motion preventing position prevents motion from being transmitted from the exhaust rebreath lobe to the exhaust valve. | 09-06-2012 |
20130213349 | High-Efficiency Internal Combustion Engine and Method for Operating Employing Full-Time Low-Temperature Partially-Premixed Compression Ignition with Low Emissions - An engine system and a method of controlling a combustion process in an internal combustion engine are disclosed. The combustion process is based on compression ignition of a stratified air-fuel mixture using a high octane fuel such as gasoline. Multiple fuel injections may be used in a given combustion cycle. Fuel injection timing, EGR, exhaust rebreathing, late intake valve closing, and intake boost are controlled to enable autoignition over essentially the entire speed and load operating range of the engine, while providing reduced emissions, low noise, and low fuel consumption. | 08-22-2013 |
Patent application number | Description | Published |
20090264257 | Stride adjustment mechanism - In an elliptical step exercise apparatus a dynamic link mechanism can be used to vary the stride length of the machine. A control system can also be used to vary stride length as a function of various exercise and operating parameters such as speed and direction as well as varying stride length as a part of a preprogrammed exercise routine such as a hill or interval training program. In addition the control system can use measurements of stride length to optimize operation of the apparatus. | 10-22-2009 |
20120058862 | Stride adjustment mechanism - In an elliptical step exercise apparatus a dynamic link mechanism can be used to vary the stride length of the machine. A control system can also be used to vary stride length as a function of various exercise and operating parameters such as speed and direction as well as varying stride length as a part of a preprogrammed exercise routine such as a hill or interval training program. In addition the control system can use measurements of stride length to optimize operation of the apparatus. | 03-08-2012 |
20140080675 | Stride adjustment mechanism - In an elliptical step exercise apparatus a dynamic link mechanism can be used to vary the stride length of the machine. A control system can also be used to vary stride length as a function of various exercise and operating parameters such as speed and direction as well as varying stride length as a part of a preprogrammed exercise routine such as a hill or interval training program. In addition the control system can use measurements of stride length to optimize operation of the apparatus. | 03-20-2014 |
20140248998 | EXERCISE ASSEMBLIES HAVING FOOT PEDAL MEMBERS THAT ARE MOVABLE ALONG USER DEFINED PATHS - An exercise assembly comprises a frame and elongated foot pedal members that are each movable along user-defined paths of differing dimensions. Each foot pedal member has a from portion and a rear portion. Footpads are disposed on the rear portion of one of the pair of foot pedal members. Elongated coupler arms have a lower portion and an upper portion that is pivotally connected to the frame. Crank members have a first portion that is pivotally connected to the front portion of one of the pan of foot pedal members and have a second portion that is pivotally connected to the lower portion of one of the pair of coupler arms, such that each crank member is rotatable in a circular path. Elongated rocker arms have a lower portion that is pivotally connected to one of the pair of foot pedal members in between the foot pad and the crank member and have an upper portion that is pivotally connected to the frame. | 09-04-2014 |
20140249000 | Exercise Assemblies Having Crank Members with Limited Rotation - An exercise assembly has a frame, a pair of elongated foot pedal members, a pair of elongated coupler arms, a pair of crank members, a pair of elongated rocker arms, and a front cross-shaft. The pair of foot pedal members are each movable along user-defined paths of different dimensions. Each crank member is rotatable in a circular path and is freely rotatable along the circular path in a first direction and restrained from rotation along the circular path in a second, opposite direction. | 09-04-2014 |