Claassen
Alan Claassen, Fremont, CA US
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20080285232 | Techniques for Data Center Cooling - Techniques for cooling in a data center are provided. In one aspect a computer equipment rack is provided comprising one or more air inlets; one or more exhaust outlets, and one or more of: an air inlet duct mounted to the computer equipment rack surrounding at least a portion of the air inlets, the air inlet duct having a lateral dimension that approximates a lateral dimension of the computer equipment rack and a length that is less than a length of the computer equipment rack, and an air exhaust duct mounted to the computer equipment rack surrounding at least a portion of the exhaust outlets, the air exhaust duct having a lateral dimension that approximates the lateral dimension of the computer equipment rack and a length that is less than the length of the computer equipment rack. | 11-20-2008 |
20080288193 | Techniques for Analyzing Data Center Energy Utilization Practices - Techniques for improving on data center best practices are provided. In one aspect, an exemplary methodology for analyzing energy efficiency of a data center having a raised-floor cooling system with at least one air conditioning unit is provided. The method comprises the following steps. An initial assessment is made of the energy efficiency of the data center based on one or more power consumption parameters of the data center. Physical parameter data obtained from one or more positions in the data center are compiled into one or more metrics, if the initial assessment indicates that the data center is energy inefficient. Recommendations are made to increase the energy efficiency of the data center based on one or more of the metrics. | 11-20-2008 |
20090041079 | Bidirectional and Expandable Heat Flow Measurement Tool for Units of Air Cooled Electrical Equipment - A tool is disclosed, for measuring the important thermal characteristics of a unit of electronic equipment, which obtains air flow and temperature readings at both air inlet and air outlet openings of the unit without disturbing cable or wiring connections or otherwise interrupting device operation. The tool pressure sensing element is rotatable between detented positions to permit the tool to be used at both air inlet and air outlet openings. The tool air duct portion may be formed of separate duct portions to enable a single duct portion including the sensing instrumentation to be used with multiple duct portions that conform to electronic device air inlet and outlet openings to impart added flexibility to the tool. | 02-12-2009 |
20090262501 | Rack With Integrated Rear-Door Heat Exchanger - Rack assemblies and methods for cooling one or more rack-based computer systems, as well as data center configurations that utilize the rack assembly. The rack assembly comprises a rack providing support for multiple columns of heat-generating electronic devices and device fans for moving air from an air inlet side of the rack through the devices and through an air outlet side of the rack. The rack assembly also comprises a unitary door having a support frame spanning the air outlet side of the rack and hingedly coupling the door to a rear vertical edge of the rack. The door includes an air-to-liquid heat exchanger panel spanning an air outlet passage inside the support frame so that substantially all of the air passing through the air outlet must pass through the heat exchanger panel. The air outlet passage has a cross-sectional area that is substantially equal to or greater than the cross-sectional area of the multiple columns of heat-generating devices. | 10-22-2009 |
20100195694 | Heat Flow Measurement Tool for a Rack Mounted Assembly of Electronic Equipment - A rack mount assembly measurement tool, for determining physical values including air flow and heat loads, includes a front assembly and a rear duct assembly that are non-intrusively and releasably mounted on the front and rear of such rack mount enclosure. Physical values are sensed at multiple vertical locations to enable a determination of overall and localized heat loads within the enclosure. Front sensor values are collected and wirelessly transmitted from the front assembly to a receiver/processor supported on the rear duct, which generates computed values that are displayed in addition to the sensed values. | 08-05-2010 |
20110279967 | Techniques for Data Center Cooling - Techniques for cooling in a data center are provided. In one aspect, a computer equipment rack is provided comprising one or more air inlets; one or more exhaust outlets; and one or more of: an air inlet duct mounted to the computer equipment rack surrounding at least a portion of the air inlets, the air inlet duct having a lateral dimension that approximates a lateral dimension of the computer equipment rack and a length that is less than a length of the computer equipment rack, and an air exhaust duct mounted to the computer equipment rack surrounding at least a portion of the exhaust outlets, the air exhaust duct having a lateral dimension that approximates the lateral dimension of the computer equipment rack and a length that is less than the length of the computer equipment rack. | 11-17-2011 |
20140063729 | Techniques for Data Center Cooling - Techniques for cooling in a data center are provided. In one aspect, a computer equipment rack is provided comprising one or more air inlets; one or more exhaust outlets; and one or more of: an air inlet duct mounted to the computer equipment rack surrounding at least a portion of the air inlets, the air inlet duct having a lateral dimension that approximates a lateral dimension of the computer equipment rack and a length that is less than a length of the computer equipment rack, and an air exhaust duct mounted to the computer equipment rack surrounding at least a portion of the exhaust outlets, the air exhaust duct having a lateral dimension that approximates the lateral dimension of the computer equipment rack and a length that is less than the length of the computer equipment rack. | 03-06-2014 |
Anne Claassen, Kempen DE
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20120101060 | SKIN PROTECTANT, PARTICULARLY AGAINST HYDROPHOBIC (LIPOPHILIC) AND AGAINST HYDROPHILIC (LIPOPHOBIC) HARMFUL SUBSTANCES - The invention relates to a skin protectant, particularly against hydrophobic (lipophilic) and hydrophilic (lipophobic) harmful substances, obtainable by means of an amount of at least one barrier-forming component, particularly against hydrophobic (lipophilic) harmful substances, wherein the nephelometric turbidity unit of the barrier-forming component is determined by means of turbidimetry and at least one barrier-forming component, a 1% solution in water thereof having a nephelometric turbidity unit of greater than 40 (NTU), is used to produce the protectant and a method for producing skin protectants, particularly against hydrophobic (lipophilic) and hydrophilic (lipophobic) harmful substances, where in the barrier-forming component is selected for production of the protectant such that the nephelometric turbidity unit of the barrier-forming component of the skin protectant is determined by means of turbidimetry and at least one barrier-forming component, a 1% solution in water thereof having a nephelometric turbidity unit of greater than 40 (NTU), is used to produce the skin protectant. | 04-26-2012 |
Arjan Claassen, Eindhoven NL
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20100112536 | GROUP COACHING SYSTEM AND METHOD - Group coaching system, comprising at least a first and a second coaching device ( | 05-06-2010 |
Christian Claassen, Krefeld DE
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20150307113 | Car body part - A car body part, in particular a car body part of a rail vehicle, includes an extruded part with at least one fastening portion which is suitable for fastening an item of equipment, and extends in the extrusion direction of the extruded part. The extruded part is locally weakened by mechanical reworking and the fastening portion is flexible as a result of local weakening and forms a flexible fastening portion. An assembly having the car body part and an item of equipment and a method for producing the assembly are also provided. | 10-29-2015 |
Dirk Peter Claassen, Graz AT
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20110129752 | CONNECTION OF CHEMICAL OR THERMAL REACTORS - The invention relates to the connection of one or more thermal and/or chemical reactors, particularly fuel cells, to an adjacent component or between two reactors or between two components, the reactors having a preferred operating temperature range, particularly between 400 and 1100° C., characterized in that said connection is provided by a connecting element that hardens at room temperature (normal state, normal conditions) and becomes plastic at the operating temperature. | 06-02-2011 |
Franciscus Gerardus Johannes Claassen, Oploo NL
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20100225385 | ACTIVE POWER FILTER METHOD AND APPARATUS - This disclosure provides active power filter methods and apparatus to control the PF, harmonics and/or ripple current associated with powering electrical devices. According to one exemplary aspect, an active power filter is configured to measure the momentary ac line output current, measure the momentary ac line input current and switch an energy buffer to provide additional current to the ac line output or draw current from the ac line input to control the PF associated with the device. | 09-09-2010 |
20120020695 | FUSER SYSTEM AND HEAT SOURCE POWER CIRCUIT - A printing system fuser is presented with an AC-AC power circuit using a pair of high speed pulse width modulated switches and low speed switching devices for flyback current conduction for powering a fuser heating element, and power factor control system and techniques are presented for adapting AC-AC converter control for powering one fuser heating element at least partially according to angle control switching of another fuser heating element to control fuser power factor. | 01-26-2012 |
Geert Claassen, Nattraby SE
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20120157086 | Method, Device and Computer Program Product for Updating Location Numbers on an MSC - A method and apparatus of updating location numbers of cells associated with a mobile switching centre, MSC ( | 06-21-2012 |
20120166079 | RATE DISCOUNT FORECASTS FOR WIRELESS USER TERMINALS - A user interface of a wireless user terminal provides a forecast of a future rate discount that may apply at a future time and/or at a possible future location of the wireless user terminal. The forecast may be displayed as a map and/or as textual or graphical information, and may be provided in response to a user request, in response to receipt of a message from the wireless network and/or automatically at a given time. Related systems, methods and devices are described. | 06-28-2012 |
20130308781 | METHOD AND APPARATUS FOR TRANSMITTING SECURE CELL BROADCAST MESSAGES IN A CELLULAR COMMUNICATION NETWORK - A method and apparatus is provided for transmitting a cell broadcast message in a mobile communication network comprising in a message control node receiving a initiation request identifying a first message payload segment to be transmitted, determining an authentication group for which the first message payload segment is intended and determining a first encryption key associated with the determined authentication group. The first message payload segment is encrypted using the first encryption key. A message payload is aggregated comprising the encrypted first message payload segment and at least a second message payload segment. The cell broadcast message comprising the aggregated message payload for message broadcast is transmitted within at least a part of the communication network. A method and apparatus is also provided for decrypting a cell broadcast message at a mobile terminal. | 11-21-2013 |
Herbert Claassen, Bremen DE
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20120234091 | Device for ascertaining a fill level of a medium - In the case of a device for ascertaining a fill level of a medium inside a collection container, having at least one measuring chamber, in which an ultrasonic sensor is arranged, connected to conduct media to the collection chamber, and having at least one antechamber connected upstream from the measuring chamber, which has at least one inlet opening for the medium from the collection chamber, at least one flow damper for the medium, according to the invention, is arranged in at least one subarea of the antechamber. Thereby multiple antechambers, which are connected in series one behind another to conduct media, are connected upstream from the measuring chamber. | 09-20-2012 |
John H Claassen, Washington, DC US
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20110152102 | DEVICE AND METHOD OF MEASURING ELECTRICAL DISSIPATION IN A SUPERCONDUCTING COIL - An apparatus, system and method for measuring electrical dissipation in a coil wound with superconducting wire or tape are disclosed. The superconducting coil may include one or more superconducting wires wound together with a witness winding. The one or more superconducting wires may be electrically connected to the witness winding. The one or more superconducting wires may be shaped as a tape. The witness winding may be a tape. The superconducting coil may be wound into a flat pancake structure. The witness winding may be configured to detect a quench in the one or more superconducting wires, which may otherwise interfere with the superconductivity of the one or more superconducting wires. | 06-23-2011 |
Laurens Claassen, Jn Den Haaq NL
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20110073314 | RISER TERMINATION - A top termination ( | 03-31-2011 |
Laurens Cornelis Claassen, Den Haag NL
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20090220306 | Offshore System - This invention relates to an offshore system, comprising a drilling vessel, e.g. a semi-submersible drilling vessel comprising a deck on which a drilling tower for performing drilling operations is mounted. The vessel is furthermore provided with a support for a tiltable J-lay tower for laying a pipeline, said support being arranged next to the drilling tower, and the offshore system further includes a J-lay tower which is or can be mounted on said support. | 09-03-2009 |
Michael Claassen, Bruce Township, MI US
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20140020250 | FRICTION TORQUE BARCODE - A method to ascertain measured friction torque to a bearing and a method to reduce preload variation of a hearing pair or set. Friction torque of a bearing is measured at a known load and speed. The value of the measured friction torque is then printed in a data matrix that is then applied to the bearing that was measured. Prior to assembling the bearings on a shaft system, the data matrix is read. The targeted friction torque is calculated for the shaft system based on the desired assembly preload. The bearing preload is then set and verified by measuring the friction torque of the pair of bearings assembled on the shaft. As a result of the method, bearing friction torque variation is substantially mitigated. | 01-23-2014 |
20150072826 | TANDEM AXLE DISCONNECT WITH SYNCHRONIZED OVERDRIVE - A torque transfer assembly for a tandem axle drive train, having a first synchronizer assembly including a first portion arranged to non-rotatably connect to a power input shaft arranged to receive torque from an engine, a second synchronizer assembly, an overdrive gear assembly engageable with the first synchronizer assembly, and an inter-axle differential gear (IAD) arranged to engage first and second power shafts, and engaged with the second synchronizer assembly. In a differential mode, a first torque path is formed from the power input shaft to a first axle through the first synchronizer, the power shafts, the IAD and second synchronizer, and a second torque path is formed from the power input shaft to a second axle through the first synchronizer, the power shafts, and the IAD, and, in overdrive mode, a third torque path is formed from the power input shaft to the first axle through the first synchronizer. | 03-12-2015 |
Peter Claassen, Zevenaar NL
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20080214716 | Use of a Thermally Curable Aqueous Composition as a Binder for Substrates - The present invention relates to the use of a heat-curable aqueous composition comprising dispersed polymer particles of at least | 09-04-2008 |
20090203827 | Method for preparing a latex from a chlorinated vinylic polymer - Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. | 08-13-2009 |
20130274402 | METHOD FOR PREPARING A LATEX FROM A CHLORINATED VINYLIC POLYMER - Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. | 10-17-2013 |
Pieternel Claassen, Wageningen NL
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20110159559 | METHOD FOR THE COMBINED PRODUCTION OF BUTANOL AND HYDROGEN - The invention relates to a process for the combined production of butanol and hydrogen from biomass, comprising the steps of fermenting biomass to obtain butanol in a first reaction mixture; removing the butanol and hydrogen from the first reaction mixture to obtain effluent; and using the effluent as a substrate in a second reaction mixture in a process using low substrate concentrations, in particular a hydrogen production process. Preferably, the process using low substrate concentrations is a hydrogen production process and at least part of the end products of the hydrogen production process is removed from the second reaction mixture for obtaining an effluent that comprises organic acid, which effluent is returned to the first reaction mixture. | 06-30-2011 |
Pieternel A.m Claassen, Wageningen NL
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20140322778 | PRODUCTION OF ISOPROPANOL BY IMPROVED RECOMBINANT STRAINS - The expression vector includes: the nucleic acids coding for the polypeptides forming a polypeptide complex having an enzyme activity allowing acetoacetyl-CoA to be converted to acetoacetate; optionally, at least one nucleic acid coding for a polypeptide having an enzyme activity allowing acetoacetate to be converted to acetone; and at least one nucleic acid coding for a polypeptide having an enzyme activity allowing acetone to be converted to isopropanol; the expression of the nucleic acids being controlled by a single constitutive promoter located upstream of the abovementioned nucleic acids. | 10-30-2014 |
Thorsten Claassen, Wittmund DE
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20140103029 | DEVICE FOR INDUCTIVELY REMOVING THE INSULATION FROM WIRES AND/OR CONDUCTIVE STRUCTURES - Thus there is provided a device for stripping insulation from wires and/or conductive structures having a lacquer or plastic coating. The device has a receiving portion for receiving the ends of the wires and/or conductive structures from which insulation is to be stripped, at least one induction coil in the region of the receiving portion for inductively generating heat to vaporize or thermally remove the coating on the wires within the receiving portion and at least one suction removal hose connected to the receiving portion for removing the vaporized or thermally removed coating of the wires and/or conductive structures in the region of the receiving portion. | 04-17-2014 |
Uta Claassen, Hohenhameln DE
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20120116127 | Process for the manufacture of alkenones - Process for preparing an alkenone, which comprises the following steps: (a) providing a halogenated precursor of the alkenone; and (b) eliminating the hydrogen halide from said precursor to form the alkenone by a thermolysis treatment selected from the group consisting of flash thermolysis, vacuum thermolysis, and thermolysis under stripping with inert gas. | 05-10-2012 |
20120116128 | Process For The Manufacture Of Halogenated Precursors Of Alkenones In The Presence Of A Solvent - A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium comprising an alkenone or a halogenated precursor of the alkenone, and a process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone. | 05-10-2012 |
20130317251 | Process for the manufacture of fluoromethoxymalonic acid derivatives - Process for the manufacture of a compound of formula R | 11-28-2013 |
20140051892 | Process for chemical synthesis from an alkenone made from a halogenated precursor - Process for synthesizing a chemical, in particular an agriculturally or pharmaceutically active compound, including: a first step comprising reacting a carboxylic acid halide with a vinyl ether to prepare a halogenated precursor of an alkenone; a second step comprising eliminating hydrogen halide from such precursor to form an alkenone, preferably by thermolysis under specific conditions; and a third step which uses the formed alkenone as a building block to synthesize the chemical. First step may be done in a liquid reaction medium comprising an alkenone or a halogenated alkenone precursor, or in a liquid reaction medium in turbulent state, specifically by creation of gas bubbles of the carboxylic acid halide herein. Second step may include a flash thermolysis, vacuum thermolysis, thermolysis under stripping with inert gas, and/or a thermolysis at a temperature from >90° C. to 120° C. Third step preferably comprises reacting the alkenone with a nitrogen-containing compound. | 02-20-2014 |
20140357899 | PROCESS FOR THE MANUFACTURE OF HALOGENATED PRECURSORS OF ALKENONES AND OF ALKENONES - Process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium using an equipment having at least one surface in contact with the liquid reaction medium, wherein said surface consists of a material selected from glass, polytetrafluoroethylene and nickel based metal alloy. | 12-04-2014 |