Matches 1 - 23 out of 23


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US20060225445 Refrigerant system with variable speed compressor in tandem compressor application  
A refrigerant system is provided with tandem compressors. As is known, tandem compressors operate in parallel to provide a refrigerant system designer with the ability to achieve a stepped...
US20080034767 Methods of Optimizing Vehicular Air Conditioning Control Systems  
Air conditioning system controls are optimized for an air conditioning system having a compressor in IC engine vehicles and in hybrid or fuel cell vehicles having electric drive motors by first...
US20080104985 Constant temperature CRAC control algorithm  
A method of cooling including providing a fluid flow at a predetermined temperature, and adjusting at least one cooling parameter of at least one cooling device to maintain the predetermined...
US20070144192 Centrifugal heat transfer engine and heat transfer systems embodying the same  
A heat transfer engine having cooling and heating modes of reversible operation, in which heat can be effectively transferred within diverse user environments for cooling, heating and...
US20050223727 Inverter-integrated motor for an automotive vehicle  
A bus-bar integrated plate and outer frame section, arranged into a double-deck structure and having numerous bus bars molded with a resin molding plate portion, is provided as a wiring for...
US20090056354 Refrigeration power system for a storage compartment in a vehicle  
A refrigeration power system for cooling a storage compartment in a vehicle includes a power source independent of a vehicle battery. The power source provides power to a refrigeration unit that...
US20080314057 Refrigerant System With Variable Speed Scroll Compressor and Economizer Circuit  
A scroll compressor system having a variable speed drive is utilized. By providing the economizer and/or bypass functions along with the variable speed drive, precise capacity adjustment between...
US20080041081 SYSTEM AND METHOD FOR COMPRESSOR CAPACITY MODULATION IN A HEAT PUMP  
A system and method is provided to control and operate a compressor to have two or more discrete output capacities in response to an outdoor temperature measurement. During operation of the...
US20060260334 Thermostat and method for operating in either a normal or dehumidification mode  
The inventive thermostat provides for sensing the temperature and humidity within the space, and responsively controlling the operation of an air conditioning compressor and blower to maintain the...
US20060130504 Method and apparatus for control of a variable speed compressor  
A 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 variable speed compressor, a...
US20080307803 Humidity control and air conditioning  
Air conditioning systems that cool and dehumidify spaces within enclosures, buildings having such systems, and methods of controlling humidity within a space. Embodiments adjust speed of a blower...
US20080307813 Variable Capacity Multiple Circuit Air Conditioning System  
A refrigerant vapor compression system for conditioning air within a climate controlled space has multiple refrigerant circuits including at least one refrigerant circuit having a fixed capacity...
US20060064998 Inverter-integrated motor for an automotive vehicle  
A bus-bar integrated plate and outer frame section, arranged into a double-deck structure and having numerous bus bars molded with a resin molding plate portion, is provided as a wiring for...
US20080223057 Refrigerant System with Pulse Width Modulated Components and Variable Speed Compressor  
A variable speed drive is provided for operating a compressor motor in a refrigerant system. When a low load situation has been determined by the refrigerant system controls, the variable speed...
US20070144190 Refrigerator  
A refrigerator in which a two-stage-compression mode power-variable refrigerant circuit having a freezer cooler and fresh-food cooler is controlled in accordance with information on temperature in...
US20100236265 AIR CONDITIONER FOR VEHICLE  
An air conditioner for a vehicle comprises a refrigeration cycle including a variable displacement compressor for refrigerant which uses an engine as a drive source, a condenser, and an...
US20070000265 Method and system for cooling a work machine compartment  
A method of controlling a heating and cooling system for providing conditioned air to a compartment of a work machine includes providing a heating, ventilation, air conditioning (HVAC) system...
US20110271699 FREQUENCY VARIABLE COMPRESSOR AND CONTROL METHOD THEREOF  
The present invention discloses a frequency variable compressor, including a shell defining an airtight space, an accumulator temporarily storing refrigerant before introducing the refrigerant...
US20080282718 Method and Apparatus of Optimizing the Cooling Load of an Economized Vapor Compression System  
A vapor compression system includes a variable speed single stage compressor, a heat rejecting heat exchanger, an expansion device, and a heat accepting heat exchanger. The speed of the compressor...
US20090314018 COMPRESSOR POWER CONTROL  
Cooling is provided to the power electronics of a compressor speed control system by way of refrigerant that is routed from a refrigeration system, through the power electronics, and then back to...
US20080229767 Method and Device for Controlling Refrigeration Cycle of Air conditioning System for Vehicle  
In an air conditioning system having a variable displacement compressor driven by an engine of a vehicle, method and device for controlling a refrigeration cycle are provided to ensure necessary...
US20160084556 REFRIGERATION CYCLE APPARATUS AND METHOD OF OPERATING THE SAME  
A refrigeration cycle apparatus includes a compressor and sets a heating-mode lower limit refrigerant volume flow rate through the compressor. The heating-mode lower limit refrigerant volume flow...
US20150362239 VARIABLE FREQUENCY CONTROL APPARATUS  
A variable frequency control apparatus includes a variable frequency controller, and at least one temperature sensor, and the variable frequency controller is installed at a compressor of an...

Matches 1 - 23 out of 23