Matches 1 - 50 out of 206 1 2 3 4 5 >


Match Document Document Title
9038405 Solid state control system  
A control system to selectively control the operation of the compressor of a mini-split air conditioning system including at least one remote evaporator operatively coupled to the compressor to...
8694382 System and method for automatic guidance control of a vehicle  
A system and method is provided for adaptive control of at least one parameter of an auto guidance control algorithm for a vehicle. The parameters may be varied according to a previously...
8572995 Refrigeration system  
An air conditioner (10) includes a refrigerant circuit (20) including a plurality of indoor heat exchangers (27). A controller (1) for controlling operation of the air conditioner (10) includes a...
8467936 Climate control system and method for optimizing energy consumption of a vehicle  
A climate control system and method for optimizing energy consumption in a hybrid electric vehicle (HEV) is provided. By varying evaporator temperatures based on occupant settings and...
8448459 System and method for evaluating parameters for a refrigeration system with a variable speed compressor  
A system and method for evaluating parameters for a refrigeration system having a variable speed compressor is provided. A compressor is connected to a condenser and an evaporator. A condenser...
8418483 System and method for calculating parameters for a refrigeration system with a variable speed compressor  
A system and method for calculating parameters for a refrigeration system having a variable speed compressor is provided. A compressor is connected to a condenser and an evaporator. An evaporator...
8256238 Control system for a variable-capacity compressor in air conditioner  
An air conditioning system for a vehicle has a refrigerant cycle device which has an evaporator and a compressor and in which refrigerant is discharged from the compressor to be evaporated in the...
8011199 HVAC control using discrete-speed thermostats and run times  
Methods of controlling air conditioning and HVAC units using a thermostat for a discrete-speed unit that include changing speed based on how long the unit operates at a particular speed. Speed may...
7971442 Method for controlling air conditioner of vehicles  
The present invention relates to a method for controlling a vehicle air-conditioner, which can prevent undershoot of an evaporator by performing a maximum capacity control or controlling an...
7905098 Compressor diagnostic and protection system and method  
A system and method includes a compressor operable in a refrigeration circuit and including a motor, a current sensor providing a high-side signal indicative of an operating condition of a...
7658080 Method of controlling air conditioner for vehicles  
A vehicle air conditioner is controlled so a target control value of a pressure control valve controlling tilt angle of a swash-plate of a swash-plate type variable capacity compressor is variably...
7536867 Auger-type ice-making machine  
An auger type ice making machine is provided with a freezing cylinder (21) into which water for making ice is supplied, an ice-scraping auger (23) for scraping ice formed on the inner surface of...
7494536 Method for detecting a fault in an HVAC system  
A bypass factor of an evaporator is used to indicate when an air filter of an HVAC is clogged. The bypass factor represents the amount of air that is bypassed without direct contact with the...
7433890 Method and apparatus for storing and retrieving data stored within an associated piece of equipment  
A method and apparatus that includes a storage device for securing data about an apparatus. The data is stored in a central location and can be accessed or written based upon privileges granted by...
7370487 Refrigerating cycle device capable of ensuring oil return  
Whether or not a flow rate of a circulating refrigerant is higher than a predetermined threshold value is judged and when the flow rate is higher than the predetermined threshold value, the...
7181922 Automotive air conditioner  
A cooled air temperature detector detects the temperature of air that has just passed through a refrigerant evaporator. The detector detects air temperatures for a plurality of locations on the...
7150158 Freezing prevention system for refrigeration device and air conditioner using the same  
A freezing prevention system for a refrigeration device includes a freezing-prevention temperature sensor for detecting a refrigerant temperature in a refrigerant evaporator, and a control unit...
7140191 Refrigerator and temperature sensor fixing method in the refrigerator  
A direct cooling type refrigerator capable of rapidly and accurately controlling the temperature thereof, reducing the ON/OFF time of its compressor, thereby preventing the temperature deviation...
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...
7032408 Refrigerator with internal compartment divisible into independent temperature zones  
A refrigerator comprises a refrigerator housing having a compartment, this latter presenting side walls having brackets for at least one removable element for supporting products to be preserved...
7000414 Defrost and refrigerator employing the same  
A refrigerator having a main body, and a compressor and an evaporator in the main body, comprises a heat pipe forming a closed loop so as to allow the refrigerant to be circulated therein; a first...
6840053 Temperature control using infrared sensing  
A system and method for sensing and controlling the temperature of a heating, ventilation and air conditioning (HVAC) system utilizes an infrared sensor. The infrared sensor is used to detect...
6708512 Vehicle air conditioner with cold accumulator  
In a vehicle air conditioner, a cold accumulator is disposed at a downstream air side of an evaporator to be cooled by cold air after passing through the evaporator. A cold accumulating material...
6625997 Automotive air conditioning system  
An automotive air conditioning system is provided comprising a duct for introducing a flow of air into a vehicle cabin, a closed-loop refrigeration circuit including a condenser and an evaporator,...
6578373 Rate of change detector for refrigerant floodback  
A floodback detector for refrigerant systems employing any of: minimum suction temperature, temperature rate of change and duration thereof; minimum superheat, superheat rate of change and...
6490876 Method and apparatus for de-icing dehumidifier  
A method and apparatus for operating a dehumidifier in a de-ice mode is provided wherein the dehumidifier has an evaporator coil, a fan operated by a fan motor to cause a flow of ambient air over...
6460359 Method and device for cool-drying  
The present invention concerns a method for cool-drying gas containing water vapor, whereby this gas is guided through the secondary part of a heat exchanger (1) whose primary part is the...
6453685 Control apparatus and control method for variable displacement compressor  
An improved control apparatus for controlling the displacement of a variable displacement compressor. A control valve includes an operating rod, which is urged by a force based on a differential...
6434958 Ambient humidity compensation method for a vehicle climate control system  
The control settings of a vehicle climate control system are adjusted in accordance with a relative ambient humidity correction to compensate for variations in relative ambient humidity, and the...
6427465 Compressor control system and method  
An apparatus and system for manipulating the air temperature within an interior compartment of a vehicle, the apparatus cycles a compressor between an off and on position based upon a temperature...
6389824 Controller for variable displacement compressor  
A controller controls a displacement of a compressor which is installed in a refrigerant circuit of an air-conditioning system. The controller has a pressure difference detector. An air...
6332329 Swash plate type variable displacement compressor  
When a solenoid 42 of a flow-rate control valve drive mechanism is demagnetized, a pilot valve 41 is closed for introduction of working pressure into a pressure chamber 35 of a flow-rate control...
6298673 Method of operating a refrigerated merchandiser system  
A refrigerated merchandiser system (10) includes a compressor (20), a condenser (30), a display case (100) having an evaporator (40), an expansion device (50), and an evaporator pressure control...
6293116 Humidity control method for a variable capacity vehicle climate control system  
An improved vehicle climate control system in which the passenger compartment temperature and humidity are controlled without requiring a humidity sensor. The control is based on the recognition...
6266967 Refrigerant cycle system for vehicle air conditioner  
In a refrigerant cycle system for a vehicle air conditioner, when a continuous operation time of a compressor elapses a predetermined time after the compressor operates, operation of the...
6192698 Vehicle-air-conditioning system with cooling degree estimator for left/right temperature control  
In an air-conditioning system having two air-conditioning passages serving two different air-conditioning zones but having a cooling degree detector provided in only one of the passages to reduce...
6161393 Control system for mobile air conditioning apparatus  
A control system for mobile air conditioning systems for controlling the rate at which the system compressor or clutch is cycled between operational and decreased refrigerant flow, by selectively...
6138465 Method for controlling the temperature of a refrigeration unit and temperature control arrangement for a refrigeration unit  
The invention concerns a method for controlling the temperature of a refrigeration unit (1) with a refrigerating compartment (3), a freezing compartment (2) and a common evaporator (4) of a...
6116036 Self regulating device for controlling refrigerators and freezers  
A self-regulating device for controlling refrigerating appliances, such as refrigerators or freezers, preferably domestic, which comprise a refrigerating circuit with compressor, evaporator,...
6109048 Refrigerator having a compressor with variable compression capacity  
Disclosed is a refrigerator comprising: a compressor having a driving motor with controllable rotation speed, an exterior sensor for sensing an exterior temperature, an evaporator sensor for...
6092380 Method for regulating the cooling performance of an air conditioning system  
In a method for the temperature regulation of an air conditioning system having a condenser, an evaporator, an expansion device and a compressor, the stroke of which can be set via a valve, the...
6038874 Refrigeration circuit having series evaporators and modulatable compressor  
A refrigeration system having a modulatable compressor and a Rankine cycle refrigeration circuit having at least two evaporators. The flow rate of the compressor is modulated in response to the...
6029466 Method for evaporator temperature control as a function of the outside dew point  
A method for controlling the evaporator temperature of an air conditioner as a function of the outside dew point, in which the air temperature and the dew point temperature of the incoming air...
5992163 Process and arrangement for an air conditioner control with an evaporator protected against icing  
A process and an arrangement for controlling an air conditioner utilize an evaporator protected against icing and a refrigerant circulating system which includes at least one compressor and the...
5918476 Replacement kit for vehicle air conditioning circuit pressure operable valves  
A replacement kit allows the replacement of a pressure operable valve of a vehicle air conditioning circuit, from a mechanically operated valve to an electrically actuated switch. The kit includes...
5904047 Air conditioner control apparatus and method therefor  
This invention provides an air conditioner for simultaneously cooling or heating a plurality of rooms by using a single outdoor unit and at least two and more indoor units connected to the outdoor...
5884497 Automotive air conditioner  
An automotive air conditioner which is capable of suppressing periodic torque variation in an engine-driven refrigerant compressor while ensuring performance of returning oil thereto to circumvent...
5826439 Method and circuit for on/off control of the compressor of a motor vehicle air conditioner  
A method and circuit are provided for on/off control of the compressor of a motor vehicle air conditioner, in which the compressor is shut off when the evaporator temperature measured by an...
5806327 Compressor capacity reduction  
The present invention is a method for operating an air conditioner chiller system under high ambient air conditions. When the temperature of the standard discharge saturation temperature increases...
5675976 Controller of air-conditioner  
Freezing is prevented when either of two blow ports of a bidirectional blow air-conditioner is closed. A first blowing fan is disposed on one of the sides of a heat exchanger on the utilization...

Matches 1 - 50 out of 206 1 2 3 4 5 >