Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8079228 | Refrigerant system with multi-speed scroll compressor and economizer circuit A scroll compressor is provided with a multiple-speed motor. A control selects a speed for operating the motor, along with selecting between several available options for the system capacity adjustment to meet external load demands in a most efficient and reliable m... | 12/20/2011 |
| 8069683 | Refrigerant system unloading by-pass into evaporator inlet A refrigerant system has at least one unloader valve selectively communicating refrigerant between the compressor compression chambers and a point upstream of the evaporator. When the compressor is run in unloaded mode, partially compressed refrigerant is returned t... | 12/06/2011 |
| 8051669 | Liquid evaporation cooling apparatus In an apparatus comprising: an evaporator 1 for boiling and evaporating a cold/heat evaporable liquid under a reduced pressure; a condenser 2 for condensing vapor; a cold/heat indirect heat exchanger 6 at a load 14 side; a cooling heat ex... | 11/08/2011 |
| 7721562 | Refrigerant system with multi-speed scroll compressor and economizer circuit A scroll compressor is provided with a multiple-speed motor. A control selects a speed for operating the motor, along with selecting between several available options for the system capacity adjustment to meet external load demands in a most efficient and reliable m... | 05/25/2010 |
| 7574872 | Capacity-variable air conditioner A capacity-variable air conditioner is capable of controlling capacity and consumed electricity in response to operation mode. The refrigerant compression quantity of a compressor is variably adjusted by control of open/close operation modes via selective combinatio... | 08/18/2009 |
| 7437880 | Pump bypass control apparatus and apparatus and method for maintaining a predetermined flow-through rate of a fluid through a pump A bypass control apparatus is used with a pump pumping a fluid therethrough. A bypass flow line circulates fluid about the pump. A bypass valve is interposed in the bypass flow line and moves between an opened state to permit the fluid to circulate through the bypas... | 10/21/2008 |
| 7434415 | System and method for using hot gas reheat for humidity control A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a compressor, a condenser and an evaporator. A hot gas reheat circuit ... | 10/14/2008 |
| 7409833 | Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions An apparatus and method for compressing gas refrigerant using two different compressors operated alternatively in a series or parallel mode for obtaining two different compression ratios and thereby provide efficient operation for both a relatively lower suction pre... | 08/12/2008 |
| 7353662 | Medium voltage starter for a chiller unit A single medium voltage starter box is mounted on a chiller unit with the other components of the chiller system. The starter box can be positioned on the chiller system unit to permit the starter box to be close coupled to the motor, and specifically to the main mo... | 04/08/2008 |
| 7320228 | Refrigerant cycle apparatus In a refrigerant cycle apparatus which is operated at a supercritical pressure on a high-pressure side, for a purpose of maintaining or enhancing performances or reducing generation of clogging or a dimension of a capillary tube, a compressor has a first compression... | 01/22/2008 |
| 7316120 | Refrigeration/air conditioning equipment Refrigeration/air conditioning equipment includes a first internal heat exchanger for exchanging heat between a refrigerant to be sucked in a compressor and a high-pressure liquid refrigerant, an injection circuit for evaporating a bypassed high-pressure liquid at i... | 01/08/2008 |
| 7302807 | Refrigerating cycle device In a refrigerating cycle device using carbon dioxide as a refrigerant, there exists a problem that the provision of a receiver at a low-pressure side increases cost and volume due to a pressure resistance design necessary for ensuring safety. By adjusting a refriger... | 12/04/2007 |
| 7260951 | Pressure equalization system A pressure equalization system staffs a compressor while maintaining the condenser at a high pressure, including a valve and a bleed port. The compressor inlet receives a fluid at a first pressure. The compressor outlet discharges the fluid at a second pressure, and... | 08/28/2007 |
| 7257957 | Utilization of bypass refrigerant to provide reheat and dehumidification function in refrigerant system A refrigerant system is provided with an unloader bypass line to selectively unload the compressor and deliver refrigerant from a partially (or fully) compressed location back to a suction port of the compressor. A section of this unloader bypass line is placed in t... | 08/21/2007 |
| 7246498 | Refrigerating apparatus A liquid injection type scroll compressor is used to a refrigerating apparatus using hydrocarbon fluoride refrigerant which does not contain chlorine (HFC-125/HFC-143a/HFC-134a) as an operating fluid and an amount of an injected liquid is controlled ac... | 07/24/2007 |
| 7213405 | Two-stage linear compressor A refrigeration system includes a dual-piston linear compressor including a first piston disposed in a first cylinder and a second piston opposed to the first piston and disposed in a second cylinder. The first piston divides the first cylinder into a first suction ... | 05/08/2007 |
| 7210310 | Refrigerant cycle apparatus There is provided, as an object of the present invention, a refrigerant cycle apparatus capable of smoothly cooling an inverter module for driving a motor of an electric compressor while preventing enlargement of an installation space as much as possible. In the ref... | 05/01/2007 |
| 7201008 | Vapor compression system performance enhancement and discharge temperature reduction in the unloaded mode of operation A vapor compression system includes a main vapor compression circuit having a compressor, a condenser, an expansion device and an evaporator serially connected by main refrigerant lines, the compressor having a suction port, a main discharge port and an intermediate... | 04/10/2007 |
| 7185447 | Drying device for drying a gas A drying device for drying a gas comprises parallel cooling branches, at least one of which is in its active state at any given time. A gas-coolant heat exchanger arranged in each of the cooling branches has a first channel through which the gas to be dried flows in... | 03/06/2007 |
| 7152416 | Hot gas bypass through four-way reversing valve A heat pump four-way valve selectively routes refrigerant to either indoor or outdoor heat exchanger. The position of the plunger inside the valve can also be adjusted to selectively provide a hot gas by-pass function by routing a portion of refrigerant from dischar... | 12/26/2006 |
| 7137788 | Air compressor oil recirculation system An apparatus for removing oil from air in an air compressor that has a piston reciprocable in a cylinder to compress the air, includes an oil removal chamber associated with the compressor. An unloader valve has an unactuated condition and an actuated condition disa... | 11/21/2006 |
| 7118349 | High pressure slurry piston pump A high pressure slurry pump is described which automatically provides a clean fluid buffer around the intake and exhaust valves of the pump and in front of the pump piston in order to displace erosive slurry material and thus extend the life of the pump and improve ... | 10/10/2006 |
| 7086242 | Dehumidifying air-conditioning apparatus A dehumidifying air-conditioning apparatus comprises a pressurizer (4) for raising a pressure of a refrigerant, a condenser (5) for condensing the refrigerant to heat a high-temperature heat source fluid, and an evaporator (1) for evaporating th... | 08/08/2006 |
| 7056334 | Methods and apparatus for thermally activating a console of a thermal delivery system A thermal delivery system includes a base unit having a thermal regulation source and a console configured to deliver cooling fluid to a body-cooling device to induce hypothermia and aid in resuscitation of a patient. When a user docks the console with the base stat... | 06/06/2006 |
| 7028767 | Vehicle air conditioner with hot-gas heater cycle A vehicle air conditioner selectively switches one of a cooling mode in which an interior heat exchanger of a refrigerant cycle is operated as an evaporator for cooling air, and a heating mode in which the interior heat exchanger is operated as a radiator for heatin... | 04/18/2006 |
| 7010936 | Method and apparatus for highly efficient compact vapor compression cooling The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The subject system can provide heat stress relief to individuals operatin... | 03/14/2006 |
| 7008199 | Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit An object of the present invention is to provide a method for manufacturing a multi-stage compression type rotary compressor which can avoid the replacement of parts to be used as much as possible to reduce costs and also which enables easily setting an appropriate ... | 03/07/2006 |
| 6973797 | Capacity control for economizer refrigeration systems An economizer-equipped refrigeration system and method is provided for simultaneous operation of at least one capacity control valve controlling an independent bypass circuit with operation and variable control of the economizer circuit to permit efficient, flexible... | 12/13/2005 |
| 6966194 | Refrigerating machine A refrigerating machine having a compressor driven by a motor. The motor incorporates an armature with an iron core having a cage type conductor and a permanent magnet which is magnetized so as to enable the motor to operate as a synchronous motor. A bypass passage ... | 11/22/2005 |
| 6959557 | Apparatus for the storage and controlled delivery of fluids A vessel for containing a refrigerant fluid in a vapor compression system. The vessel includes a housing defining a fixed interior volume and an internal structure subdividing the interior volume into a storage chamber and a displacement chamber. The storage chamber... | 11/01/2005 |
| 6955059 | Vapor compression system A vapor compression system includes a main vapor compression circuit including a compressor, a condenser, an expansion device and an evaporator serially connected by main refrigerant lines, the compressor having a main discharge port, a suction port and an economize... | 10/18/2005 |
| 6942472 | Head pressure relief assembly A head pressure relief assembly for relieving pressure in the head assembly of an air compressor may include an exhaust valve post formed in the head assembly and an exhaust valve assembly comprised of a flapper valve. An aperture may be formed through the exhaust v... | 09/13/2005 |
| 6941767 | Compression mechanism oil equalizing circuit, refrigeration system heat source unit, and refrigeration system provided with the same The present invention provides an oil equalizing circuit that can improve the reliability of the oil supply to the compression mechanisms in a refrigeration system provided with a plurality of compression mechanisms. The compressor group of the air conditioning syst... | 09/13/2005 |
| 6925823 | Refrigerant cycle with operating range extension A refrigerant cycle is provided with a control that monitors system conditions such as current, voltage or temperature at a compressor motor or refrigerant state conditions at compressor ports. A protection switch on the motor is operable to stop operation of the co... | 08/09/2005 |
| 6923011 | Multi-stage vapor compression system with intermediate pressure vessel A vapor compression system includes a first compression mechanism that compresses the working fluid from a low suction pressure to an intermediate pressure, a second compression mechanism that compresses intermediate pressure working fluid to a higher discharge pres... | 08/02/2005 |
| 6886355 | Air-conditioning system An air-conditioning system with a refrigerant medium circulating in a refrigerant loop has a variable-stroke compressor with a high-pressure outlet chamber, a drive chamber and an intake suction chamber. A first valve regulates a first flow of refrigerant medium fro... | 05/03/2005 |
| 6823686 | Pressure equalization system and method A pressure equalization method and system is provided for starting a compressor while maintaining the condenser at a high pressure and includes a valve and a bleed port. The compressor has a compressor inlet for receiving a fluid at a first pressure and a compressor... | 11/30/2004 |
| 6823687 | Vehicle air conditioner with variable displacement compressor In a vehicle air conditioner, a variable displacement compressor has a control valve for continuously changing a discharge capacity of the compressor, and a control unit calculates an electrical value DT to be applied to the control valve based on the following form... | 11/30/2004 |
| 6691525 | Hot gas bypass control for centrifugal chillers Methods and systems consistent with this invention control a hot gas bypass valve in a refrigeration system including a centrifugal compressor, a condenser, an evaporator, and a hot gas bypass line between the compressor and the evaporator. Such methods a... | 02/17/2004 |
| 6637230 | Automotive air-conditioner having sub-compressor driven by electric motor An air-conditioner for use in an automotive vehicle, an engine of which is stopped every time the vehicle stops at an intersection, includes a usual refrigeration cycle having a main compressor driven by the engine and a sub-circuit having a sub-compresso... | 10/28/2003 |
