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Claassen
Alan Claassen, Fremont, CA US
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Anne Claassen, Kempen DE
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 20100112536 | GROUP COACHING SYSTEM AND METHOD - Group coaching system, comprising at least a first and a second coaching device ( | 05-06-2010 |
Dirk Peter Claassen, Graz AT
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
John H Claassen, Washington, DC US
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 20110073314 | RISER TERMINATION - A top termination ( | 03-31-2011 |
Laurens Cornelis Claassen, Den Haag NL
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Peter Claassen, Zevenaar NL
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Pieternel Claassen, Wageningen NL
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Uta Claassen, Hohenhameln DE
| Patent application number | Description | Published |
|---|---|---|
| 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 |