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7562535 |
Method for the automatic starting and stopping of an internal combustion engine
The invention relates to a method for the automatic starting and stopping of an internal combustion engine. Release of a stop mode for the internal combustion engine is enabled depending on a time...
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7559207 |
Method for refrigerant pressure control in refrigeration systems
A method and system for controlling refrigerant pressure in an HVAC system. The method includes providing a compressor, a condenser and an evaporator connected in a closed refrigerant loop. The...
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7543454 |
Method and auxiliary system for operating a comfort subsystem for a vehicle
According to one form of the invention, an auxiliary system is provided for supplying air conditioning to the cabin of a truck. The system includes an air conditioning compressor having a jackshaft...
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7540163 |
Prevention of flooded starts in heat pumps
A heat pump is provided with a method and control for eliminating flooded starts. In particular, the heat pump at start-up is operated for a short period of time in the opposite mode to that in...
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7484375 |
Air conditioning system for motor vehicles
An air conditioning system is provided for motor vehicles, which are driven by an internal-combustion engine equipped with an overrun fuel cut-off, and having a compressor driven by the...
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7461975 |
Method and system for cooling heat-generating component in a closed-loop system
A system and method for reducing or eliminating pump cavitation in a closed system having at least one or a plurality of fluid phase changes. The system comprises a venturi having a throat which is...
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7448227 |
Vehicle air conditioning and heating method providing engine on and engine off operation
An air conditioning system for use in an over-the-road or off road vehicle provides operation during both engine on and engine off conditions. The system includes a variable speed compressor, a...
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7434412 |
Computer equipment temperature control system and methods for operating the same
A system and method for controlling temperature in an equipment enclosure are disclosed. The system includes an enclosure having a top side, side walls, a front side, and a back side. The enclosure...
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7426836 |
Method and apparatus for air conditioning using a primary and an ancillary power source
A method for air conditioning using a primary power source augmented with an ancillary power source which is accomplished by receiving a heat-laden first working fluid at an initial pressure;...
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7416679 |
1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant and heat transfer compositions comprising a fluoroether
Compositions of 1,1,1,2,2,4,5,5,5-nonafluoro-4(trifluoromethyl)-3 pentanone can be used in heat transfer refrigeration and air conditioning systems. The compositions may be in combination with...
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7412838 |
Heat pump using CO2 as refrigerant and method of operation thereof
A heat pump employing CO 2 as refrigerant and utilizing heat source of natural water, e.g. well water, ground water, river water or sea water, effectively is applied to an air conditioning system...
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7412837 |
Method for use in controlling an absorption refrigerating system, and an absorption refrigerator
The invention relates to a method for controlling a running time of an absorption refrigerating system of an absorption refrigerator, which absorption refrigerator comprises two differently...
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7406834 |
Self-contained mobile walk-in cooler
A self-contained mobile walk-in cooler is disclosed. The self-contained mobile walk-in cooler is comprised of a refrigeration unit, a gasoline generator to provide power to the refrigeration unit...
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7406833 |
Refrigerator storage system
A refrigerator comprising a fresh food compartment, a freezer compartment, a lower freezer drawer and an upper freezer bin. A primary set of glides allow the freezer drawer and the upper bin to be...
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7392659 |
Dynamic control of a variable displacement compressor
Controlling displacement in a variable displacement compressor of an automobile air conditioning system entails detecting the temperature and humidity level of air entering the evaporator, setting...
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7380411 |
Heat source unit with switching means between heating and cooling
The present invention provides a heat source unit capable of being used in either an air conditioner for switchable cooling and heating operation or an air conditioner for simultaneous cooling and...
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7350365 |
Method for controlling cogeneration system
A method for controlling a cogeneration system is disclosed. The control method determines whether or not the operation load or power load of an air conditioner corresponds to a load requiring...
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7331191 |
Heating, ventilation and air conditioning (HVAC) system and method using feedback linearization
A new feedback linearization approach to advanced control of single-unit and multi-unit HVAC systems is described. In accordance with the approach of the invention, this new nonlinear control...
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7296424 |
Mounting system and method for mounting an air conditioner
A mounting system is provided for mounting an air conditioner on the exterior of a building adjacent to a window with an opening defined by a window frame having a lower sill and a height to an...
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7272942 |
Method and system for purifying exhaust gas
The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is...
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7266955 |
Modular freeze branding
In a disclosed modular freeze branding method, refrigerant is caused to flow through a first thermally conductive conduit having exposed, coplanar segments that are arranged in the shape of a set...
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7266954 |
Method and device for installing refrigerator
A partition member partitions off a cooling stage of a refrigerator from a refrigerant container, containing a refrigerant gas condensed by the cooling stage, of a cooling system, and a low melting...
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7263845 |
Backup cryogenic refrigeration system
Backup refrigeration is provided to a cryogenic refrigeration system comprising multiple cooling loops using a single backup coolant storage vessel. The backup coolant storage vessel is in fluid...
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7260947 |
Air conditioning system operating on vehicle waste energy
A waste energy-based vehicle air conditioning system includes efficient compression driving means coupled to refrigeration means. In one implementation, the compression driving means includes a...
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7260946 |
Mobile refrigeration system and control
A mobile refrigeration system that includes an engine that is operable at a first speed greater than zero and a second speed greater than zero. A compressor is operable in response to the engine at...
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7251947 |
Refrigerant system with suction line restrictor for capacity correction
A fixed restriction is placed in a suction line leading to a compressor. The size of the restriction is selected to achieve a desired capacity reduction (correction) for the refrigerant system...
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7251946 |
Method for controlling evaporation temperature in an air conditioning system
A method for controlling evaporation temperature in an air conditioning system, especially an air conditioning system in a motor vehicle, comprising a latent cold accumulator which can be cooled by...
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7234312 |
Variable speed, electronically controlled, room air conditioner
A variable speed air handling system for cooling and/or heating a room including a sleep mode. The system includes a fan assembly to transport air from the system into the room, the fan assembly...
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7234311 |
Prevention of compressor unpowered reverse rotation in heat pump units
A heat pump is provided with a method and control for eliminating compressor un-powered reverse rotation at shutdown. In particular, the position of the four-way reversing valve is changed and the...
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7228689 |
Thermo-electric and HVAC seat cooling and heating mode door integration
A heating and cooling and air conditioning (HVAC) module housing wherein the defrost outlet and the vent outlet and the seat outlet are disposed next adjacent to one another and a first plate...
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7225627 |
Vapor compression system and method for controlling conditions in ambient surroundings
A vapor compression system including an evaporator, a compressor, and a condenser interconnected in a closed-loop system and a method of operating such a system. The method includes the conversion...
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7207179 |
Method of connecting heat transfer pipe and capillary tube
A connecting method and structure is provided to reliably ensure the compressive strength of the joint between a heat transfer pipe and a capillary tube when connecting the capillary tube to the...
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7188481 |
Adjustable damper actuator
An actuator for controlling the position of a damper. It is an adjustable damper actuator that can actuate a damper to have positions that are other than fully open and fully closed. The actuator...
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7181917 |
Control method for four-way valve of multiple heat pump
Disclosed herein is a control method for four-way valves of a multiple heat pump. In the control method, if even at least one of four-way valves of respective outdoor units is not switched to a...
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7178348 |
Refrigeration power plant
The invention relates to a power station comprising at least one steam turbine and/or gas turbine which is connected to at least one absorption type refrigeration machine in order to produce...
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7174727 |
Cogeneration system and method for controlling the same
A cogeneration system including a pre-heater to pre-heat outdoor air blown toward the outdoor heat exchanger during a heating operation of a heat pump type air conditioner, an auxiliary evaporator...
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7174726 |
Adjustable nozzle distributor
A distributor, for use in a refrigerant system for conveying refrigerant between an expansion device and an evaporator, having a longitudinal body, an actuator, a plug, a first nozzle, and a second...
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7159408 |
Charge loss detection and prognostics for multi-modular split systems
A method for detecting and predicting refrigerant level includes the steps of determining an estimated value for a parameter indicative of refrigerant level and comparing that estimated value to an...
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7159404 |
System and method for storing a product in a thermally stabilized state
A system and method for storing a product in a thermally stabilized state is disclosed. The system includes a thermally-conductive structure having at least an enclosed volume and an open section....
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7117685 |
Drinking water cooler
A cooler ( 100 ) for supplying cooled drinking water, particularly at remote outdoor locations, includes a reservoir ( 101 ) that supplies water to a conduit ( 119 ) for indirect cooling by a...
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7100380 |
Organic rankine cycle fluid
A method of operating an organic rankine cycle system wherein a liquid refrigerant is circulated to an evaporator where heat is introduced to the refrigerant to convert it to vapor. The vapor is...
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7096679 |
Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device
A transcritical vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first...
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7086241 |
Hydraulic power unit for a refrigeration system
A hydraulic power unit for a refrigeration system. According to one aspect of the invention, the power unit is provided for driving the refrigeration system of a truck having an engine for...
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7076962 |
Heating, ventilation and air conditioning (HVAC) system and method using feedback linearization
A new feedback linearization approach to advanced control of single-unit and multi-unit HVAC systems is described. In accordance with the approach of the invention, this new nonlinear control...
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7069733 |
Utilization of bogdown of single-shaft gas turbines to minimize relief flows in baseload LNG plants
Gas compression system comprising a driver; a refrigerant compressor driven by the driver and having an inlet and an outlet; a relief pressure safety valve having an inlet in flow communication...
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7036328 |
Air conditioner
An air conditioner which includes a plurality of indoor units to cool air of a plurality of rooms. Included is a plurality of branch refrigerant lines that each include a backflow prevention part...
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7032393 |
Climate cooling control systems and methods for hybrid vehicles
Methods and apparatus are provided for controlling the climate cooling in the passenger cabin of a hybrid motor vehicle. The apparatus includes an internal combustion engine capable of being...
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7028490 |
Water-heating dehumidifier
A water-heating dehumidifier includes a refrigerant loop including a compressor, at least one condenser, an expansion device and an evaporator including an evaporator fan. The condenser includes a...
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7017358 |
Apparatus and method for controlling the temperature of an electronic device
An apparatus for controlling the temperature of an electronic device under test includes a thermal head. The thermal head defines a flow channel for passage of a refrigerant fluid so as to cause...
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7017357 |
Emergency power generation system
In a comfort system having a combination furnace and air conditioner, the two are operated simultaneously at periods of time in which emergency power is desired, with the air conditioning system...
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