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7401473 |
Dual refrigerant refrigeration system and method
A dual refrigerant refrigerating system provides a refrigeration cycle in which a primary refrigerant cools a secondary refrigerant in a primary evaporator into a partially frozen state, in which a...
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7204094 |
Air conditioner
An air conditioner having a plurality of outdoor units and a plurality of indoor units with a common piping connected via a common piping to transfer refrigerant therebetween, the air conditioner...
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7165414 |
System for the dehumification of air
An improved air conditioner system for controlling a desired temperature and a reduced humidity level in a space to be environmentally controlled, that comprises an additional second heat exchanger...
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6993924 |
Floating loop system for cooling integrated motors and inverters using hot liquid refrigerant
A floating loop vehicle component cooling and air-conditioning system having at least one compressor for compressing cool vapor refrigerant into hot vapor refrigerant; at least one condenser for...
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6971245 |
Auger type ice making machine
An auger type ice making machine is provided with a control unit for causing a hot gas valve to open and for causing a heater disposed in the vicinity of ice compression passages to perform heating...
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6931863 |
Stirling refrigerator
In a Stirling refrigerator, waste heat rejected from the heat rejecter of a Stirling refrigerating device is transferred by way of dew prevention heat pipes to heat the open side of the...
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6931880 |
Method and arrangement for defrosting a vapor compression system
A method of defrosting of a heat exchanger (evaporator) in a vapor compression system including, downstream of a heat exchanger (evaporator) ( 3 ) to be defrosted, at least a compressor ( 1 ), a...
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6928830 |
Linearly actuated manual fresh air exchange
A refrigeration unit is provided with a manually operated fresh air vent made up of a cap assembly and a handle assembly which move together in a linear/axial direction. The handle assembly is...
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6907743 |
Method for controlling and optimizing the cycle for production of ice cream depending on the mixtures used
Method for controlling and optimising the cycle for production of ice cream depending on the mixtures used in the ice-cream making machine, comprising a freezing cylinder exchanging heat with the...
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6907663 |
Refrigerator and method for manufacturing heat pipe unit of refrigerator
Disclosed is a refrigerator comprising an outer casing defining an outer appearance thereof, and an inner casing accommodated in the outer casing, forming a storage chamber, further comprising a...
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6887046 |
Coolant pump, mainly for automotive use
An impeller pump with thermostatically adjustable guide vanes is suitable for use as an automotive coolant pump. The pump is driven by a constant speed electric motor, and flow variation is...
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6880353 |
Vapor compression system with evaporator defrost system
A vapor compression system including a refrigerant circuit having operably coupled thereto, in serial order, a compressor, a first heat exchanger, an expansion device, and a second heat exchanger....
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6854277 |
Quiet ice making apparatus
An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The ice cube-making...
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6748759 |
High efficiency heat exchanger
A heat exchanger for a medium condenser having a plurality of vertical cooling fins having extra length extended both upwardly and downwardly from an ordinary portion of medium coil path for...
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6745583 |
Defrosting apparatus of air conditioner and method thereof
Disclosed are a defrosting apparatus of an air conditioner and a method thereof. The defrosting apparatus includes a temperature sensor for sensing a pipe temperature of an outdoor heat exchanger...
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6701739 |
Modular refrigeration system for refrigeration appliance
A modular refrigeration system having an evaporator, a condenser, a compressor, and expansion device fluidly connected by a plurality of conduits. The modular refrigeration system includes an...
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6666043 |
Dewfall preventing device of refrigerator
There is provided a dewfall preventing device of a refrigerator for preventing dew from forming on the contact portion of a refrigerator case and a door, the device comprising a heat exchanger for...
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6591627 |
Flush mount wet loop for use with condenser coils
A refrigeration device is provided having a compressor, a condenser, an evaporator, and tubing to connect the compressor to the condenser, the condenser to the evaporator and the evaporator to the...
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6526767 |
Automatic defrost system for a refrigerating device
An automatic defrost system for a refrigerating device, comprising, in a cabinet, an evaporator and a condenser, and a defrost air circuit having: a first circuit portion; a second circuit portion...
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6418737 |
Heat pump type hot-water supply system capable of performing defrosting operation
A heat pump type hot-water supply system performs an ordinary operation for heating liquid stored in a reservoir by circulating the liquid in a heat exchanger for supplying hot water. When an...
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6393854 |
Evaporation tray
The present invention refers to a new construction for the evaporation tray for the defrost water in refrigeration systems of refrigerators and freezers and, more especifically, to a new...
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6393855 |
Methods and devices for retaining a heating element within a refrigeration cabinet
Methods and devices for retaining a heating element, such as warm refrigerant tubing, within a refrigerator cabinet. Semispherical raised dimples are formed upon a retaining panel in a rolled...
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6389833 |
Evaporator having defrosting capabilities
An evaporator having defrosting capabilities for space-saving and hard-to-reach installations and for connecting to a condensing unit with a condensing coil and a compressor. The evaporator...
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6370901 |
Compound evaporation system and device thereof
A compound evaporation device comprises a compressor, a heat discharge divider, a main liquid line, a re-condensed tube, a vapor divider, and a primary vapor tube. The compressor is for compressing...
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6345514 |
Device for disposing of condensate from small sized air conditioner
Small sized air conditioner including a heat discharging part having a small sized compressor and condenser, a heat absorbing part having a small sized evaporator, a drain hose for transferring...
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6334325 |
Method for controlling the evaporator temperature of a vehicle air conditioner
A method is provided for controlling the evaporator temperature in a vehicle air conditioner having an evaporator, a compressor, a condenser and an expansion element, in which the evaporator...
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6318107 |
Advanced defrost system
A device that includes two heat exchangers, one attached to the ambient or to the hot parts of the refrigeration unit including a reservoir filled with high sensible heat liquid and the other...
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6301913 |
Anti-sweat heater improvement for commercial refrigeration
A refrigerator unit is provided including a casing having a plurality of walls, one of the walls including an opening on one side thereof. A glass door is pivotally attached to the casing for...
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6266970 |
Vertical partition cover assembly of side-by-side type refrigerator
A vertical partition cover assembly of a side-by-side type refrigerator includes a cover (70) coupled to the front of a vertical partition (20) and a fixing member (80) for fixing a hot tube (60)...
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6250090 |
Apparatus and method for evaporator defrosting
An apparatus and method for warm-liquid defrosting of the evaporator of a refrigeration system. The apparatus includes a first refrigerant expansion device that selectively expands refrigerant for...
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6233951 |
Heating, cooling and de-humidification system for buildings
A heat management system for a building having at least one cooling device is provided. The heat management system includes a refrigeration system in heat exchange contact with a cooling system for...
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6230511 |
Evaporator in refrigerator
Evaporator in a refrigerator, is disclosed, which has the refrigerant tube, cooling fins and the defrosting tube formed as one unit for simple structure and a better heat exchange efficiency, the...
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6170270 |
Refrigeration system using liquid-to-liquid heat transfer for warm liquid defrost
A warm liquid defrost refrigeration system (10) comprising a primary refrigeration loop (12) including a compressor (16), a condenser (18), an expansion device (22), and a first side of a chiller...
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6094925 |
Crossover warm liquid defrost refrigeration system
A crossover warm liquid defrost refrigeration system (10) having a medium temperature side (12) for cooling refrigerated goods and a low temperature side (14) for cooling frozen goods. The medium...
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6070423 |
Building exhaust and air conditioner condenstate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor
First, a system for providing liquid refrigerant subcooling, subsequent to that subcooling accomplished by the primary condenser of an air conditioner or heat pump, by means of evaporative cooling...
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6065299 |
Mechanism freeing an air conditioner from dripping
A mechanism for freeing an air conditioner from dripping is provided. The mechanism mainly includes a moisture-carry assembly disposed in front of a condenser and a cooling fan of the air...
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5979172 |
Non-drip high efficiency AC system utilizing condensate water for subcooling
Disclosed is a high efficiency whole house or room air conditioner having an auxiliary heat exchanger in the liquid line between the condenser and the expansion device where the coolant fluid...
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5966958 |
Condensate tray in a refrigeration assembly
The invention provides a condensate tray for a condenser assembly of a refrigeration assembly and a condenser assembly having the condensate tray. The condensate tray includes an operatively upper...
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5941085 |
Refrigerator having an apparatus for defrosting
A refrigerator having an apparatus for defrosting. The refrigerator provides an apparatus for defrosting which uses a wasted heat from a compressor. The apparatus has a container placed on an upper...
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5927095 |
Anti-frost device for refrigerators
An anti-frost device for refrigerators includes a heating mechanism capable of preventing any frost from being formed at the outlet portion of a cool air distribution duct, thus allowing cool air...
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5921092 |
Fluid defrost system and method for secondary refrigeration systems
A fluid defrost system and method for defrosting the cooling coil of a product fixture normally cooled by circulating a cold secondary liquid coolant in a cooling loop refrigerated by a primary...
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5881566 |
Evaporation device for refrigeration equipment
An evaporation tray for a refrigerator or refrigerator/freezer which is adapted in use to contact a heat producing part of the refrigeration system (such as the compressor or condenser). The tray...
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5732565 |
Modular room air conditioner
An air conditioning unit comprising a refrigeration assembly, an air handling assembly, and a control assembly. The refrigeration assembly includes a generally rectangular base pan having upturned...
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5727393 |
Multi-stage cooling system for commerical refrigeration
A non-compressible coolant fluid system for cooling product merchandisers having heat transfer means constructed and arranged for maintaining preselected product zone temperatures, comprising an...
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5669222 |
Refrigeration passive defrost system
A refrigeration system includes a compressor, a condenser, an expansion throttle, an evaporator and a control valve. All of the above elements are connected in series, in that order, in a...
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5661978 |
Medical dispensing drawer and thermoelectric device for cooling the contents therein
A refrigerated, medical dispensing drawer for use in a computerized medicine-dispensing station, the station of the type having a cabinet that houses a plurality of openable drawers in stacked...
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5655383 |
Apparatus for dissipating fog with limited use of energy
Apparatus for dissipating fog with limited use of energy that is especially suitable for airport runways, roads, stadiums and similar spaces. The apparatus consists of an operating system which...
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5638694 |
Refrigerator anti sweat device
This invention relates to an improvement in the operation of a domestic refrigerator. The improvement comprises the addition of a mullion heater to heat an exterior surface by the passage of warm...
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5632155 |
Air-conditioning apparatus with an indoor unit incorporating a compressor
An air conditioner having an indoor unit and an outdoor unit. The indoor unit has a compressor, an indoor heat exchanger, and a indoor fan. The outdoor unit has an outdoor heat exchanger, a...
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5590541 |
Barrel-type refrigerator and drain pan
A barrel-type refrigerator system and drain pan for use in refrigerating food products. The barrel-type refrigerator system includes an upper food compartment, middle coil-fan compartment, and a...
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