Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7337837 | Air conditioning system A self-contained, fully-integrated, energy efficient heating and cooling system or apparatus for conditioning the air on the interior of a building which includes a means for creating airflow through the apparatus, a section for cooling the airflow, a section for he... | 03/04/2008 |
| 7325400 | Rankine cycle and steam power plant utilizing the same A steam power plant (100) implementing an improved Rankine cycle (55) wherein steam is injected (82, 96) directly into the energy addition portion of the plant, and the resulting two-phase flow is pressurized by multiphase pumps (88, 98).... | 02/05/2008 |
| 7293604 | Heat exchanger A heat exchanger is disclosed including a first tube, a second tube, a first inlet-connecting block, a first outlet-connecting block, a second inlet-connecting block, a second outlet-connecting block and a terminal connecting block. The first tube internally has a f... | 11/13/2007 |
| 7290600 | Air-to-air heat pump defrost bypass loop A system for defrosting an air-to-air heat pump system is disclosed. A bypass loop transfers refrigerant at a higher temperature and pressure than is normally cycled through the outdoor unit to an outdoor coil to defrost ice on the outdoor coil. The bypass loop incl... | 11/06/2007 |
| 7261151 | Suction line heat exchanger for COcooling system A heat exchanger including a suction line for gaseous or two phase refrigerant output from an evaporator and a capillary tube carrying cooled refrigerant to the evaporator. The suction line includes first and second substantially parallel straight cylindrical portio... | 08/28/2007 |
| 7243499 | Refrigeration capillary tube inside suction line assembly A refrigeration capillary tube inside suction tube heat exchanger assembly, including a suction tube whose ends each have a slot with a shaped inner end portion; two braze connectors, each including a sleeve portion with the free end having a shaped recess; a capill... | 07/17/2007 |
| 7240509 | Heating and cooling system A heating and cooling system includes a compressor for pumping a heat medium through a tubing device, a heat exchanger coupled to the compressor for receiving compressed heat medium from the compressor, a flowing control device coupled to the heat exchanger, another... | 07/10/2007 |
| 7225634 | Absorption refrigerating machine A triple effect absorption refrigerating machine comprising a high temperature regenerator GH, an intermediate temperature regenerator GM, a low temperature regenerator GL, a condenser C, an absorber A, an evaporator E, an auxiliary regenerator GX and an auxiliary a... | 06/05/2007 |
| 7162878 | Refrigeration apparatus Disclosed is an efficient refrigeration apparatus that provides refrigerant based energy storage and cooling. When connected to a condensing unit, the system has the ability to store energy capacity during one time period and provide cooling from the stored energy d... | 01/16/2007 |
| 7155927 | Exhaust heat utilizing refrigeration system There is provided an exhaust-heat using refrigerating system which can add the function of refrigerant heater, condenser or super-cooler by using exhaust heat. The system comprises a heat pump apparatus 1 equipped with a compressor 12, a first heat exc... | 01/02/2007 |
| 7152413 | Thermal energy transfer unit and method A thermal energy transfer unit is provided for conventional Freon air conditioning. One or several thermal energy transfer units are operatively interconnected to one or several conventional air condition systems and share a common energy storage tank. Each thermal ... | 12/26/2006 |
| 7124594 | High efficiency refrigerant based energy storage and cooling system Disclosed is an efficient, energy storage and cooling system that is refrigerant based. When connected to a condensing unit, the system has the ability to store energy capacity during one time period and provide cooling from the stored energy during a second time pe... | 10/24/2006 |
| 7117937 | Combined refrigerator-oven apparatus A combined refrigerator-oven (20) includes an enclosed chamber (28) having a top wall (22), a bottom wall (24), and vertical side walls (26). The refrigerator-oven (20) further includes a heating unit (50) and a refri... | 10/10/2006 |
| 7114553 | Air conditioning system A self-contained, fully-integrated, energy efficient heating and cooling system or apparatus for conditioning the air on the interior of a building which includes a means for creating airflow through the apparatus, a section for cooling the airflow, a section for he... | 10/03/2006 |
| 7096929 | PCM (phase change material) system and method for shifting peak electrical load A PCM system and method of shifting peak electrical load is provided with a PCM system including a heat exchanger, a storage tank coupled to the heat exchanger for storing PCM slurry, a pump coupled to the heat exchanger, an air conditioning unit coupled to the heat... | 08/29/2006 |
| 7080520 | Air conditioning system The invention is based on a climate control system for a vehicle that is driven by an internal combustion engine (10), having a heating heat exchanger (24) which is connected to a coolant loop (12) of the engine (10) and is preceded upstr... | 07/25/2006 |
| 7063137 | Heat pump with secondary loop air-conditioning system A chiller-condenser is disposed downstream of a condenser and a chiller-evaporator is disposed downstream of the chiller-condenser. A main three-way valve is disposed between the compressor and the condenser for directing flow from the compressor to the condenser in... | 06/20/2006 |
| 7043928 | Refrigeration cycle system A refrigeration cycle system is disclosed. Upon generation of a start signal for a hot gas heater cycle, the cooling mode is first started thereby to start the dormant refrigerant recovery mode (S10) and, upon an increase in the compressor discharge pressure ... | 05/16/2006 |
| 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 |
| 6935134 | Method and kit used to cool beverages A method and a kit is described for cooling beverages. Each employs a naturally occurring, non-porous igneous rock material, such as granite, that may be configured in the form of a polyhedron, such as a cube. The method involves placing one or more masses of the ma... | 08/30/2005 |
| 6883344 | Air-conditioner with both cooling and warming functions The invention relates to a novel structured air-conditioner with both cooling and warming functions, comprising a compressor, an out-door heat exchanger, an in-door heat exchanger and a four-way change-over valve, characterized in that it further comprises a paralle... | 04/26/2005 |
| 6840056 | Cooling system with adsorption refrigerator In a cooling system for cooling first and second heat-generating members, the first heat-generating member is cooled by a refrigerator, and cold produced by the refrigerator is stored in a cold storage unit, so that both the first and second heat-generating members ... | 01/11/2005 |
| 6831254 | Automatic cook sequencing system for multiple ovens with refrigeration unit A system used to program and coordinate the cooking operations for two or more ovens such that the cooking operations are completed at the same time, independent of particular setting variations. In accordance with a preferred embodiment of the invention, a single c... | 12/14/2004 |
| 6659361 | Temperature control device The controller 70 of the brine supply device 10 performs the PID calculation of the manipulated variable MV of the valve 14, calculates the compensated manipulated variable MV' by compensating the manipulated value MV, and controls the operation of the va... | 12/09/2003 |
| 6497276 | Combined refrigerator-oven apparatus A combined refrigerator-oven (20) includes an enclosed chamber (28) having a top wall (22), a bottom wall (24), and vertical side walls (26). The refrigerator-oven (20) further includes a heating unit (50) and a refrigeration unit (70). A controller (118)... | 12/24/2002 |
| 6467539 | Universal equipment for the cooling fluid regeneration in heat exchange circuits Cooling equipment, which may be connected to the water discharge from a working or operating machine with a water (20/20') cooling circuit (2) to make the water re-circulate once cooled (24), characterized in that the cooling equipment comprises: at least... | 10/22/2002 |
| 6237681 | Vehicle refrigerating cycle apparatus and method for inhibiting cycle corrosion and for facilitating rapid passenger compartment warm-up during low temperature conditions A refrigerating cycle apparatus that inhibits system corrosion and abnormally high pressure during startup of a first refrigerant circuit by preventing air from penetrating into a refrigerant compressor during low-temperature startup of a second auxiliary... | 05/29/2001 |
| 6105375 | Refrigerating cycle apparatus with condenser-side refrigerant recovery mode A refrigerating cycle apparatus having a hot gas bypass heating mode that quickly recovers refrigerant in the condenser side to the evaporator side to maximize the work performed by the compressor in the hot gas bypass heating mode, to thereby maximize ho... | 08/22/2000 |
| 5901780 | Auxiliary active heating and air conditioning system for motor vehicle applications An auxiliary active heating and air conditioning system which uses a fuel fired heater as an energy source for both heating and air conditioning a passenger area of a motor vehicle. The system also utilizes a single heat exchanger to supply both heated an... | 05/11/1999 |
| 5678626 | Air conditioning system with thermal energy storage and load leveling capacity A vapor compression air conditioning (cooling and heating) system adapted for operation to reduce the consumption of electric power during peak periods of demand for power is characterized by four refrigerant circuits. A first circuit includes a compresso... | 10/21/1997 |
| 5467812 | Air conditioning system with thermal energy storage and load leveling capacity A vapor compression air conditioning (cooling and heating) system adapted for operation to reduce the consumption of electric power during peak periods of demand for power is characterized by three refrigerant circuits. A refrigerant circuit includes a co... | 11/21/1995 |
| 5361601 | Air conditioner An air conditioner is selectively operable in a main heating mode, a cooling mode and an auxiliary heating mode. In the main heating and cooling modes, refrigerant is circulated through a main line which includes a compressor, an outdoor heat exchanger, a... | 11/08/1994 |
| 5291941 | Airconditioner having selectively operated condenser bypass control A heater core is connected with an engine to receive a hot engine-coolant, which operates as a main heater. An evaporator in a refrigerating cycle operates as an auxiliary heater. A condenser is connected to an outlet of the compressor, and the evaporator... | 03/08/1994 |
| 5131455 | Low power electrical fan motor and heater thermal protection circuit for air conditioner An air conditioner has a refrigeration system with a compressor, a motor for air-circulating fans, indoor and outdoor heat exchangers and a four-way valve connected through refrigerant conduits such that it can be operated selectably both for cooling and ... | 07/21/1992 |
| 4972679 | Absorption refrigeration and heat pump system with defrost An integrated three-chamber absorption refrigeration and heat pump system with improved defrost capabilities having a solution pair including a material of unusable fluid stability at higher temperatures when manipulated in an apparatus and system to take... | 11/27/1990 |
| 4963499 | Method for the calorimetry of chemical processes A calorimeter for measuring the thermodynamic and kinetic characteristics of chemical reactions, microbial fermentations, and other processes of industrial importance is described. The present invention also relates to a method of operation of this appara... | 10/16/1990 |
| 4685510 | Pulse combustion engine and heat transfer system A pulse combustion powered apparatus is disclosed for temperature conditioning and pressurizing fluids. The alternating periods of positive and negative pressure of the combustion gases of a pulse combustion burner drive a reciprocating compressor and the... | 08/11/1987 |
| 4522035 | Method and apparatus for recovering waste energy Method and apparatus for recovery of waste heat from thermomechanical pulping systems and the like in which waste heat in the form of steam exhausted from the mechanical pulper and latency chest portions of the thermomechanical pulping system are respecti... | 06/11/1985 |
| 4519218 | Heating system operating on stored energy A multi-stage heating system comprising two or more heating stage units. Each unit holds a saturated solution of a hygroscopic solute in contact with solid solute and the units are connected in series in such a way that solution from one unit is fed into ... | 05/28/1985 |
| 4444018 | Heat pump systems for residential use An air conditioning system of the air cycle heat pump type for selectively heating and cooling a residence or similar space environment. In one embodiment, a combustor and associated Brayton cycle turbine provide the primary drive to a compressor constitu... | 04/24/1984 |
