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| Number | Title | Issue Date |
| 7415835 | Thermal control system and method A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as both condensed liquid and in ga... | 08/26/2008 |
| 7353909 | Acoustic fluid machine A piston is reciprocated axially at high speed at very small amplitude by an actuator in the larger-diameter base of an acoustic resonator. According to pressure fluctuation in the acoustic resonator involved by reciprocal motion of the piston, fluid is sucked into ... | 04/08/2008 |
| 7275381 | Light device for refrigerator or freezer A light device for refrigerators or freezers includes a sensor, a first manual switch, a rotatable switch, an interior loop and an alternative current power supply. The interior loop includes an interior circuit, an exterior circuit and a control loop. The alternati... | 10/02/2007 |
| 7231776 | Air-conditioning system for a motor vehicle In an air-conditioning system for a motor vehicle having an internal combustion engine with an engine cooling circuit with a heat exchanger for heating and a heat pump with a refrigerant circuit including a heat exchanger for cooling the interior compartment of the ... | 06/19/2007 |
| 7191612 | Thermal separating baffle in a vending machine A vending machine apparatus (32) comprising a housing defining an internal cavity and an article storage area (76) positioned inside the cavity. The article storage area (76) has a cooling unit associated therewith for cooling the article storag... | 03/20/2007 |
| 7159410 | Thermal barrier for a refrigerated compartment in a vending machine A vending machine apparatus comprising a housing defining an internal cavity and an article storage compartment positioned inside the cavity. The article storage compartment has a cooling unit associated therewith for cooling the article storage compartment. The art... | 01/09/2007 |
| 7137530 | Method and apparatus for positioning an article handling device An article handling apparatus embodied, for example, as a vending machine, includes a controllably positioned hose-type dispenser for retrieving articles from an article storage area. A first end of the hose receives article securing energy (e.g., suction), and a se... | 11/21/2006 |
| 7121099 | Stirling refrigerator and method of controlling operation of the refrigerator In a Stirling cycle refrigerator, or in a method for controlling the operation of a Stirling cycle refrigerator, when it starts or stops being operated, or according to the detection result from position or temperature detecting means, the voltage supplied to a driv... | 10/17/2006 |
| 7098549 | Power control device for construction machine A power control device for a construction machine of the present invention is characterized by including an engine, an actuator adapted to be driven with power of the engine, an engine controller for stopping the engine automatically when it is not necessary to driv... | 08/29/2006 |
| 7043935 | Enclosure thermal shield An enclosure thermal shield (10) has a thermally insulated open container (12), a thermally insulated closure member (14), a thermally conductive liner (16) along the container's inner surface and along the inner surface of the closure me... | 05/16/2006 |
| 7044330 | Vending machine The present invention relates generally to improvements in article dispensing, such as in a vending machine, and more particularly to improvements in product containment systems which improve product storage capacity, as well as the ease and efficiency of product ha... | 05/16/2006 |
| 7021491 | Freezer door opener/closer for a vending machine An article handler having an article storage area and an article dispensing opening at a top portion thereof, with a hinged lid mounted so as to have at least a predetermined range of arcuate movement thereover. The lid has a lifting portion thereon adapted for enga... | 04/04/2006 |
| 7010926 | Condensing unit performance simulator and method A system and method for determining thermal performance of a condensing unit includes selecting the condensing unit from a condensing unit database and a compressor from a compressor database. Condensing unit characteristics and compressor characteristics are proces... | 03/14/2006 |
| 7000413 | Control of refrigeration system to optimize coefficient of performance A refrigeration system includes a compressor, a gas cooler, an expansion device, and an evaporator. Refrigerant is circulated though the closed circuit system. Preferably, carbon dioxide is used as the refrigerant. As carbon dioxide has a low critical point, systems... | 02/21/2006 |
| 6945071 | Linearly actuated automatic fresh air exchange Fresh air exchange is achieved by uncovering two ports which, respectively, allow stale air to leave the trailer through a high pressure duct and fresh outside air to enter the trailer through a low pressure duct. The trailer end of the ducts are connected to the re... | 09/20/2005 |
| 6929149 | Frozen product vending machine A frozen product, upright-style vending machine having a pick and place mechanism moveable in three dimensions (X, Y, Z) with a fourth, rotational, degree of freedom (W) effected using the Z axis drive. The mechanism moves along tracks in the X-Y directions and is p... | 08/16/2005 |
| 6481226 | Method for manufacturing a vending machine for serving extremely cold frozen product and method for distributing same The present invention is generally directed to a method for modifying a vending machine to provide a vending machine for storing product at a temperature no greater than -40 degrees Celsius. The method of the invention includes the steps of replacing an e... | 11/19/2002 |
| 6145332 | Apparatus for protecting pumps against cavitation Apparatus for protecting a liquid refrigerant pump from damage due to cavitation and loss of lubrication by inclusion of means for detecting the presence of vaporized refrigerant at the pump inlet and deactivating the pump in response thereto.... | 11/14/2000 |
| 6058727 | Refrigeration system with integrated oil cooling heat exchanger A refrigeration system for cooling air is disclosed. The system includes a substantially liquid refrigerant and an evaporator for transferring heat from the air to the substantially liquid refrigerant. The substantially liquid refrigerant becomes a low te... | 05/09/2000 |
| 5845497 | Thermoelectric refrigerator with control of power based upon sensed temperature An electric refrigerator is provided with a casing formed of a heat-insulating layer and defining an opening; a heat-insulating door for openably closing the opening of the casing; a thermal conductor arranged in the casing and provided with a heat-conduc... | 12/08/1998 |
| 5842353 | Apparatus for heating or cooling drinks An liquid heating and cooling apparatus for heating or cooling liquid such as drinks is disclosed. The apparatus comprises a cup-shaped container for loading the liquid, a thermo device installed in the container for heating or cooling the liquid, and a b... | 12/01/1998 |
| 5826435 | Solar powered vehicle air conditioner A new Solar Powered Vehicle Air Conditioner for retaining a comfortable temperature within a vehicle during hot days when a user leaves the vehicle. The inventive device includes an energy efficient air conditioner having a vent, a fan control and a therm... | 10/27/1998 |
| 5806329 | Air conditioner and washing operation thereof An air conditioner which includes ports (22, 23, 24) provided on portions in a refrigerant circuit where oil are liable to gather, such as bottoms of a compressor (1), accumulator (5), a receiver (12) and the like, through which ports a refrigerant is ext... | 09/15/1998 |
| 5715684 | Thermoelectric converter A thermoelectric converter is composed of a number of p-type semiconductor chips and n-type semiconductor chips arranged side by side and electrically connected in series, a heat-absorbing-side heat conductor arranged on a heat-absorbing side of the p-typ... | 02/10/1998 |
| 5385020 | Thermoelectric air cooling method with individual control of multiple thermoelectric devices A heating and cooling apparatus having a first gas conduit, a second gas conduit and at least one thermoelectric module. In a first embodiment, structure is provided to introduce moisture into the second gas conduit, upstream of that conduit's association... | 01/31/1995 |
| 5209080 | Refrigerant flow control device A cylindrical standpipe extends upwardly from the bottom of a liquid refrigerant sump, and vertical slots are formed in the sides thereof near the bottom end. On the inner sides of the standpipe, a sleeve is slideably disposed to uncover the slots as the ... | 05/11/1993 |
| 4751824 | Energy conserving refrigeration valve control apparatus An energy-conserving refrigeration apparatus which employs a atmospheric pressure and vacuum-pressure actuated partial compressor for a refrigerant gas in combination with a conventional prime mover-driven compressor and also achieves lower compressor hea... | 06/21/1988 |
| 4587563 | Cooler control for a solid-state imager camera A camera including a solid-state imager has a cooler for controlling cooling of the imager. A thermal servo regulates the cooling of the imager to a set point. A cooling control means changes the cooling set point in response to changes in the sensitivity... | 05/06/1986 |
| 4506519 | Hermetic compressor discharge line thermal block A hermetic compressor discharge line thermal block is hermetically coupled in the discharge line between a condenser and compressor adjacent to the discharge outlet of the compressor. The device is formed to define a well for removably receiving a heating... | 03/26/1985 |
| 4481788 | Water heating system A water heating system comprising an outdoor heat exchanger including a heat collection chamber, solar collector panels, collector fins, an evaporator for passing refrigerant therethrough to perform the heat exchange between the refrigerant and the heat t... | 11/13/1984 |
| 4133186 | Combined electrical cut-off and relief valve A combined over pressure relief and low fluid pressure electrical cut-off valve assembly having a housing defining a chamber with an inlet in communication with the high pressure gas of an air conditioning compressor and an outlet exposed to atmospheric p... | 01/09/1979 |
