Patent application number | Description | Published |
20090250026 | APPARATUS FOR THE VARIABLE SETTING OF THE CONTROL TIMES OF GAS EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE - An apparatus for variable setting of control times of gas exchange valves of an internal combustion engine which has a drive element, an output element and a side cover. The drive element is brought into drive connection with a crankshaft, the ouput element is brought into drive connection with a camshaft, and the output element is arranged such that it can be pivoted with respect to the drive element. The side cover, which has a sealing cover with an opening and a mating element, axially delimits the ouput element and/or the drive element, and is connected in a rotationally fixed manner to the drive or output element by means of a fastening element. The fastening element reaches at least partially through the opening and interacts with the fastening element producing a rotationally fixed connection between the side cover and output element or drive element. | 10-08-2009 |
20090260589 | DEVICE FOR VARIABLY ADJUSTING THE CONTROL TIMES OF GAS-EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE - A device for variably adjusting the control times of gas-exchange valves of an internal combustion engine. The device has a drive input element and a drive output element, The drive input element is placed in driving connection with a crankshaft of the internal combustion engine, the drive output element is arranged so as to be pivotable with respect to the drive input element, and the device is fastened to a camshaft which has a hollow shaft and an inner shaft which is arranged concentrically with respect to the hollow shaft. An improved mounting arrangement of the concentrically arranged shafts with respect to one another is proposed. | 10-22-2009 |
20100242881 | HYDRAULIC CAMSHAFT ADJUSTER HAVING AN AXIAL SCREW PLUG - A hydraulic camshaft adjuster for an internal combustion engine. The hydraulic camshaft adjuster has a drive part that can be drive-connected to a crankshaft, an output part which has a central, first axial opening for the rotatably fixed connection to a first camshaft and is mounted such that it can be adjusted rotatably with respect to the drive part, a hydraulic actuating mechanism, by which a rotary angle position between the drive part and the output part can be adjusted, and a screw plug which is screwed to the drive part for closing the first axial opening. The screw plug is manufactured from a shaped part which is produced by a forming process without the removal of material. | 09-30-2010 |
20110067655 | DEVICE FOR VARYING THE ANGULAR POSITION OF A CAMSHAFT RELATIVE TO A CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE - A device for varying the angular position of a camshaft relative to a crankshaft of an internal combustion engine. The device has a drive element, which is driven by the crankshaft via a gearwheel and which is supported so that it can rotate in relation to the camshaft. The device also has at least two hydraulic chambers, to which a hydraulic fluid can be admitted in order to set a defined relative rotational position between the drive element and the camshaft, formed between the drive element and the camshaft. In order to produce an optimum axial support of the camshaft in terms of weight and cost, the gearwheel form a bearing face for the axial contact of the camshaft or of a component rotationally fixed to the latter. | 03-24-2011 |
20110114048 | CAMSHAFT ADJUSTER - A camshaft adjuster for an internal combustion engine of a motor vehicle, including a stator which can be driven by a crankshaft of an internal combustion engine and is located radially on the outside, a rotor which is non-rotatably connected to a camshaft and located radially on the inside, working chambers which are disposed between the rotor and stator and can be subjected to a pressure such that the rotational position of the rotor relative to the stator can be varied, and at least one sealing cover which laterally delimits the working chambers and rests against the stator and/or rotor. The sealing cover, the stator and/or rotor have a convex, concave or conical contact surface, and the sealing cover can be elastically deformed by the attachment via the contact surface such that it rests against the stator and/or rotor with an increased sealing force as a result of elastic deformation. | 05-19-2011 |
20110120399 | CAMSHAFT ADJUSTING ARRANGEMENT - A camshaft adjusting arrangement for varying angular position of a camshaft relative to a crankshaft of an internal combustion engine which has a drive element that is driven by the crankshaft and is rotatable in relation to the camshaft, at least two hydraulic chambers, to which a hydraulic fluid can be admitted to set a defined relative rotational position between the drive element and camshaft, formed between the drive element and camshaft, a first component and a second component. The first component has a cylindrical receiving face which receives a cylindrical seating face of the second component. To keep the resulting radial compressive stress between the components within an admissible range, at least one compensating element is arranged in the cylindrical receiving face of the first component and/or in the cylindrical seating face of the second component. | 05-26-2011 |
20110314656 | APPARATUS FOR THE VARIABLE SETTING OF THE CONTROL TIMES OF GAS EXCHANGE VALVES OF AN INTERNAL COMBUSTION ENGINE - An apparatus for variable setting of control times of gas exchange valves of an internal combustion engine which has a drive element, an output element and a side cover. The drive element is brought into drive connection with a crankshaft, the output element is brought into drive connection with a camshaft, and the output element is arranged such that it can be pivoted with respect to the drive element. The side cover, which has a sealing cover with an opening and a mating element, axially delimits the output element and/or the drive element, and is connected in a rotationally fixed manner to the drive or output element by means of a fastening element. The fastening element reaches at least partially through the opening and interacts with the fastening element producing a rotationally fixed connection between the side cover and output element or drive element. | 12-29-2011 |
20120152188 | CAMSHAFT ADJUSTER - An arrangement of a camshaft adjuster which has a drive wheel, a stator and a rotor. The camshaft adjuster is held together via sleeves arranged coaxially with respect to the axis of rotation. | 06-21-2012 |
20120204822 | CAMSHAFT ADJUSTER HAVING A PRESSURE ACCUMULATOR - A camshaft adjuster arrangement, which has a stator, a rotor, and a pressure accumulator, which is controlled by control vanes. | 08-16-2012 |
20130199479 | ROTOR FOR A CAMSHAFT PHASER, AND CAMSHAFT PHASER - A rotor for a camshaft phaser includes a hub part having an oil supply passage, at least one vane radially disposed on the hub part, as well as oil channels extending through the hub part and fluidically connected to the oil supply passage. The manufacture of the rotor is considerably simplified because the rotor is made up of a main body and at least one cover element arranged on an end face of the main body. The oil channels are axially closed by the cover element. | 08-08-2013 |
20130263805 | CAMSHAFT ADJUSTER HAVING A RESTORING SPRING - A configuration of a camshaft phaser ( | 10-10-2013 |
20130269639 | CAMSHAFT ADJUSTER - A configuration of a camshaft phaser ( | 10-17-2013 |
20130276733 | SPRING SUSPENSION OF A HYDRAULIC CAMSHAFT ADJUSTER - A hydraulic camshaft adjuster ( | 10-24-2013 |
20130324269 | CAMSHAFT PHASER HAVING A SPRING - Provided is a camshaft phaser ( | 12-05-2013 |
20150083065 | CAMSHAFT ADJUSTING DEVICE - A camshaft adjusting device ( | 03-26-2015 |
Patent application number | Description | Published |
20090151848 | Method for bonding components made of high silica material - The present invention relates to a method for bonding components made of high silica material by way of integral joining by forming a high-silica bonding mass between connecting surfaces of the components. A method is provided which permits an inexpensive production of a mechanically and thermally stable composite of components made of a high silica material, particularly for large-area bonded connections for which a contact pressure of more than 5 N/cm | 06-18-2009 |
20090163344 | Component of Quartz Glass for Use in Semiconductor Manufacture and Method for Producing the Same - The invention starts from a known component of quartz glass for use in semiconductor manufacture, which component at least in a near-surface region shows a co-doping of a first dopant and of a second oxidic dopant, said second dopant containing one or more rare-earth metals in a concentration of 0.1-3% by wt. each (based on the total mass of SiO | 06-25-2009 |
20090277875 | Method for the Determination of the Surface Occupation of a Silica Glass Component - A method known in prior art for determining the occupation of the surface of a silica glass component with impurities comprises taking a sample, a process in which at least some of the surface of the silica glass component is brought in contact with an acidic desorption solution, and surface impurities that are to be analyzed are accumulated therein and are subjected to an element-specific analysis. The aim of the invention is to create a method which is based on said method, allows the occupation of the surface of silica glass components to be determined accurately and reproducibly, and is suited for determining small amounts of impurities within the order of magnitude of 10 | 11-12-2009 |
20090316268 | QUARTZ GLASS COMPONENT WITH REFLECTOR LAYER AND METHOD FOR PRODUCING THE SAME - Methods for producing a quartz glass component with reflector layer are known in which a reflector layer composed of quartz glass acting as a diffuse reflector is produced on at least part of the surface of a substrate body composed of quartz glass. In order, taking this as a departure point, to specify a method which enables cost-effective and reproducible production of uniform SiO | 12-24-2009 |
20100091360 | OPTICAL COMPONENT MADE FROM SYNTHETIC QUARTZ GLASS WITH ENHANCED RADIATION RESISTANCE, AND METHOD FOR PRODUCING THE COMPONENT - To provide an optical component of quartz glass for use in a projection objective for immersion lithography at an operating wavelength below 250 nm, which component is optimized for use with linearly polarized UV laser radiation and particularly with respect to compaction and birefringence induced by anisotropic density change, it is suggested according to the invention that the quartz glass should contain hydroxyl groups in the range of from 1 wtppm to 60 wtppm and chemically bound nitrogen, and that the mean hydrogen content of the quartz glass should be in the range of 5×10 | 04-15-2010 |
20100316796 | METHOD FOR PRODUCING RAISED MARKING ON A GLASS OBJECT - In a known method for producing a raised marking on a glass object, a suspension containing SiO | 12-16-2010 |
20110183138 | METHOD FOR PRODUCING QUARTZ GLASS DOPED WITH NITROGEN AND QUARTZ GLASS GRAINS SUITABLE FOR CARRYING OUT THE METHOD - In a known method for producing quartz glass that is doped with nitrogen, an SiO | 07-28-2011 |
20120114847 | SiO2 SLURRY FOR THE PRODUCTION OF QUARTZ GLASS AS WELL AS THE APPLICATION OF THE SLURRY | 05-10-2012 |
Patent application number | Description | Published |
20090240063 | Process For The Preparation Of 6,6-Dimethyl-3-Azabicyclo-[3.1.0]-Hexane Compounds ... - The present invention provides for a process for preparing racemic methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylate, its corresponding salt: (2S, 3R, 4S)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylate di-p-toluoyl-D-tartaric acid (“D-DTTA”) salt or a (2R, 3S, 4R)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylate di-p-toluoyl-L-tartaric acid salt (“L-DTTA”) in a high enantiomeric excess. This invention also provides for a process for preparing a (2S, 3R, 4S)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylate dibenzoyl-D-tartaric acid (“D-DBTA”) salt or a (2R, 3S, 4R)-methyl 6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylate L-tartaric acid (“L-DBTA”) salt in a high enantiomeric excess. Further, this invention provides a process for preparing intermediates II, IIB, III, IV, IV salt, V, VI, and VII. | 09-24-2009 |
20090247784 | PROCESS AND INTERMEDIATES FOR THE PREPARATION OF (1R,2S,5S)-6,6-DIMETHYL-3-AZABICYCLO[3,1,0]HEXANE-2-CARBOXYLATES OR SALTS THEREOF - In one embodiment, the present application relates to a process of making a compound of formula I. | 10-01-2009 |