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Match Document Document Title
7617692 Fuel efficient method and system for hybrid vehicles  
A method and system determines when a climate control system of a hybrid vehicle can be operated without the use of an A/C compressor. The method and system make this determination by determining...
7579794 Fan system with hysteresis character and method thereof  
A fan system includes a fan, a hysteresis circuit including a temperature sensor, a first operational amplifier having a negative input end coupled to the temperature sensor, and a second...
7562698 Vehicular air-conditioning system  
An air-conditioning system for a vehicle having an engine adapted to stop idling on predetermined stop conditions of the vehicle, which system comprises an electric motor for driving a refrigerant...
7506520 Method for controlling operation of refrigerator  
A method for controlling operation of a refrigerator to enable independent cooling of a freezing chamber and a refrigerating chamber. The method prevents temperature rising of the refrigerator by...
7478537 Method of controlling vehicular air-conditioner  
A vehicular air-conditioner includes a compressor to be driven by an engine. The vehicular air-conditioner includes a controller configured to reduce a load on the compressor in response to a...
7458226 Air conditioning system, vehicular air conditioning system and control method of vehicular air conditioning system  
An air conditioning system comprises a compressor 2 which compresses a refrigerant made of carbon dioxide, a radiator 4 which radiates heat of the refrigerant compressed by the compressor 2 ,...
7448226 Refrigerator  
A refrigerator has a refrigerating cycle sequentially connecting a compressor, a condenser, a drawing mechanism, and evaporator, an accumulator, an inlet temperature sensor and an outlet...
7441414 Method for pre-cooling automotive vehicle passenger compartment  
The present invention concerns a method for pre-cooling the passenger compartment of an automotive vehicle. The vehicle includes at least one electrically actuatable window and a HVAC system having...
7404435 Air conditioner for vehicle use  
An air conditioner for automotive vehicle use intended to prevent a defrosting operation in an instantaneous foot-defroster mode. The DEF mode in which air mainly from a DEF opening is blown toward...
7360372 Refrigeration system  
A refrigeration system to increase the subcooling degree of refrigerant flowing through a main refrigerant circuit is provided. The refrigeration system is configured such that a portion of the...
7337623 Fuzzy-logic based controller to regulate aircraft temperature  
Temperature regulation by means of a PID regulation method can be associated with disadvantageous oscillations, overshooting and long control times. According to an exemplary embodiment of the...
7272945 Environmental condition measurement system  
A system for detecting at least one environmental condition in a room. The system includes one or more detecting devices having a sensor configured to detect the at least one environmental...
7266959 Cold climate air-source heat pump  
An improved cold climate air-source heat pump comprising at least a primary compressor, a booster compressor, a first heat exchanger associated with an indoor environment and a second heat...
7245486 Cooling air intake structure and desk top computer  
A cooling air intake structure of a desk-top computer having a housing containing a mother board with a processor, includes one of a passage frame extending from one side to the other side of the...
7243503 Method for controlling operation of air conditioner  
A method for controlling an operation of an air conditioner having an inverter compressor and a regular velocity compressor includes: setting an upper limit threshold and a lower limit threshold...
7228694 Cooling control system for an ambient to be cooled, a method of controlling a cooling system, and a cooler  
A cooling system for cooling an ambient to be cooled, a cooler and a method of controlling a cooling control system are described. The cooling control system comprises a variable capacity...
7172018 Vehicle air-conditioning system  
A vehicle air-conditioning system improves a passenger's sensation of cooling by preventing air blown from a foot opening when a cooling load is low, creating a comfortable temperature distribution...
7165411 Control logic for HVAC heat management  
An air conditioner has a controller that controls the operation of a refrigerant circuit that has a compressor, a condenser, an expansion valve or orifice tube, and an evaporator. The condenser...
7137267 Apparatus for variable displacement type compressor  
An apparatus for controlling a variable displacement compressor has an information detector and a controller. The information detector detects information about the thermal load on the...
7134294 Method and apparatus for refrigeration system control having electronic evaporator pressure regulators  
A method and apparatus for refrigeration system control includes a control system operable to meet cooling demand and control suction pressure for a plurality of refrigeration circuits each...
7100387 Method for controlling a multiple cooling compartment refrigerator, and refrigerator using such method  
A method for controlling a refrigerator having a variable speed compressor and at least two compartments (FR, FZ) cooled to respective temperatures and comprising sensor devices (T R , T Z ) for...
7100383 Air conditioner for vehicle capable of recovering vehicle deceleration energy  
During the period of deceleration of a vehicle, an air conditioning control unit modifies a target cooling temperature (TEO) of an evaporator to a temperature lower than that before the...
7096682 Refrigeration device and operating method for a refrigeration device  
A refrigeration device and method of operation, including at least two separate temperature zones, each having a set temperature range. Both zones are cooled by a separate evaporator with both of...
7096680 Vehicle air conditioner with discharge capacity control of compressor  
In a vehicle air conditioner having a variable displacement compressor, a control unit calculates a target cooling temperature of air to be cooled by an evaporator, and controls a discharge...
7082990 Air conditioning apparatus for vehicle  
An interior of an air conditioning case is partitioned into a first air passage extending from an inside air suction port to a foot opening portion and a second air passage extending from an...
7055338 Refrigerator  
A refrigerator having a compressor and a control unit for selectively activating and deactivating the compressor in response to the temperature inside the refrigerator. The selective activation and...
7024873 Refrigerator and method for controlling the same  
A refrigerator including a control unit for a condenser fan in connection with operation of a compressor if an outdoor temperature sensor is out of order. Since the condenser fan is driven in...
6990820 Method for controlling operation of refrigerator  
Method for controlling operation of a refrigerator including the steps of turning on a compressor when a temperature of a food storage chamber reaches to an upper limit of upper/lower temperature...
6978629 Vehicle air conditioner  
In a vehicle air conditioner, a controller calculates a first target post-evaporator temperature for defogging a windshield based on a detection humidity of a humidity sensor, and calculates a...
6976368 Method and apparatus for controlling refrigeration  
A thermal sensor ( 20 ) located in the centre of a food simulant composition ( 24 ) linked to a remote measuring indicating and/or regulating device ( 28 ). The temperature of the food simulant...
6955060 Air conditioner with control of compressor  
In an air conditioner, a target compressor rotation speed is determined based on a target air temperature, which represents an air conditioning load, when an electric compressor is started from a...
6945061 Control unit for variable displacement compressors  
A control unit for variable displacement compressors is used for two independent air conditioning cycles, wherein two compressors 1, 11 driven by a common external drive source 8 include...
6938433 Cooling system with evaporators distributed in series  
A system and method for cooling a room configured to house a plurality of computer systems. A plurality of evaporator units are arranged in series and are configured to receive air from the room...
6931872 Operation control device for cooling apparatus  
An electric motor 25 for driving a compressor 21 that composes a refrigerating cycle is speed-controlled by an inverter circuit 31 . When an inside temperature Tx detected by an inside...
6892550 Electric compression device  
An electric compression device has a motor section and a compressor section contained in a housing, an inverter attached to the outer surface of the housing, and a temperature measurement device...
6886353 Cooling system  
A system and method for cooling a room configured to house a plurality of computer systems. A heat exchanger unit is configured to receive air from the room and to deliver air to the room. The heat...
6883603 Method for controlling operation of refrigerator with two evaporators  
A method for controlling operation of a refrigerator having two evaporators is provided which allows food to be effectively stored in refrigerating and freezing chambers of the refrigerator. A...
6874574 Energy efficient control method for a manually regulated vehicle heating and air conditioning system  
An improved, more efficient method of operation for a vehicle heating and air conditioning system electrically positions a temperature control actuator in accordance with a first temperature...
6868686 Refrigeration cycle apparatus  
A refrigeration cycle apparatus having a linear compressor is provided with a volume circulation rate instruction unit for obtaining a volume circulation rate Vco of a refrigerant in accordance...
6868682 Agent based control method and system for energy management  
Controlling the temperature in a data center includes receiving sensory data corresponding to a temperature from a subsystem in a data center, processing the sensory data by a first agent in a...
6854659 Interactive sensors for environmental control  
A system for cooling heat generating objects arranged in a room. The system adapts in real time to changing cooling demands of the objects. Remote sensors mounted in proximity to the heat...
6845628 Method and apparatus for temperature control in a refrigeration device  
A temperature control device including a temperature sensor which senses a temperature at a specified location within the refrigeration apparatus. The temperature control device has first flow...
6843066 Air conditioning system and method for controlling the same  
Disclosed are an air conditioning system, in which the total operating capacity of compressors is variably controlled in accordance with a cooling or heating load in a room, and a method for...
6829903 Air conditioner and method for operating air conditioner in cooling mode  
Disclosed are an air conditioner, which reduces an electric power consumption rate and rapidly copes with the requirements of a user, and a method for operating the air conditioner in a cooling...
6807819 Vapor compression refrigerant cycle  
In a vapor compression refrigerant cycle for an air conditioner, as a refrigerant pressure at an operation starting time of a compressor increases, a starting target rotational speed of the...
6786058 Control device of simple construction for a household electrical appliance  
The present invention relates to a control device for a household electrical appliance. The control device has an interface configured to enable a user to set or modify parameters of one or more...
6786056 Cooling system with evaporators distributed in parallel  
A system and method for cooling a room configured to house a plurality of computer systems. A plurality of evaporator units are arranged in parallel and are configured to receive air from the room...
6782706 Refrigerator—electronics architecture  
A control system for a refrigeration system having a refrigeration compartment and a quick chill/thaw pan. A main controller board, electrically connected to a temperature adjustment board and a...
6775995 Condensing unit performance simulator and method  
A method of determining thermal performance of a condenser and a condensing unit within a cooling system includes selecting the condenser and the condensing unit from a condensing unit database. A...
6755033 Hybrid compressor apparatus and method of controlling the same  
A hybrid compressor apparatus for a refrigerant cycle is mounted on a vehicle having an engine that stops in accordance with driving conditions of the vehicle. The apparatus includes an electrical...
Matches 1 - 50 out of 309 1 2 3 4 5 6 7 >