Matches 1 - 50 out of 390 1 2 3 4 5 6 7 8 >


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...
9032750 Manual Vi adjustment mechanism for screw compressors  
A variable capacity screw compressor for use in a refrigeration system is provided. Compressed refrigerant gas from the compressor is expelled into a discharge port in fluid communication with the...
9010137 Air conditioner  
Disclosed is an air conditioner which can obtain an energy-saving effect without any change to the setting temperature set by a user and, accordingly, without causing discomfort to the user. If a...
9010138 Variable displacement compressor  
A variable displacement compressor adjusts the pressure in a control pressure chamber and controls the displacement in accordance with the adjusted pressure. Refrigerant is supplied via a supply...
9004369 Systems and methods for multi-sense control algorithm for atomizers in refrigerators  
A method and system is provided which receives a desired humidity level from a user for the refrigeration compartment of a refrigerator, determines the current humidity level, and then activates...
8984901 Heat pump system  
A heat pump system includes: a heat-source-side refrigerant circuit having a heat-source-side compressor, a first usage-side heat exchanger operable as a radiator of heat-source-side refrigerant,...
8984904 Refrigerating device  
A refrigerating device is provided which can improve COP when a required load is 50% of a maximum load or below. When the load required of a common evaporator is 50% or less, a control unit stops...
8973381 Vehicle air conditioning system  
A vehicle air conditioning system includes a compressor, a condenser, an evaporator and a controller. The controller is operatively coupled to the compressor to manage operation of the compressor...
8970158 High-efficiency-direct-drive cryocooler driver  
In one embodiment, a cryocooler drive circuit for a cryocooler motor is provided that includes: a first switching power converter configured to track a first sinusoidal input voltage signal to...
8955346 Coolant-buffered, vapor-compression refrigeration apparatus and method with controlled coolant heat load  
Apparatus and method are provided for cooling an electronic component. The apparatus includes a coolant-cooled structure in thermal communication with the component(s) to be cooled, and a...
8952635 Method for use in controlling free piston stirling coolers and heat pumps driven by a linear alternator  
A method for use in controlling a free piston Stirling machine having a cold end and a warm end and driven by a linear motor having an armature winding to which a drive voltage is applied. The...
8931547 Vehicle air conditioning system  
A vehicle air conditioning system includes an electric powered refrigerant compressing device, an evaporator, an electric heater, an air temperature determining component, a cabin interior...
8915094 Refrigerator and operating method thereof  
A bypass device of a refrigerator connected to an inrush current preventing device bypasses an input power when the input power is applied to the refrigerator, and a controller controls the input...
8882471 Method and device for controlling a hot restart of a centrifugal compressor  
Methods, devices and systems capable of performing a hot restart of a compressor driven by a turbine are provided. The turbine has a high speed shaft and a low speed shaft connected to the...
8875530 Screw compressor drive control  
An embodiment of method used to control operation of a screw compressor of a refrigeration system may include receiving status signals regarding operation of the screw compressor of the...
8875529 Method for transitioning between vehicle climate control system modes  
A method for controlling transitions between activating and deactivating a vehicle air conditioner compressor is disclosed. In one example, displacement of the air conditioner compressor is...
8857201 Air-conditioning device for vehicle  
An air-conditioning device includes a refrigerating cycle; a controller to control a refrigerant discharge capacity of a compressor of the cycle in a manner that a refrigerant evaporation...
8857200 Compressor having capacity modulation or fluid injection systems  
A compressor may include a fluid-injection source, a shell, and first and second scroll members. The shell may define a suction pressure region. The first scroll member may include a first end...
8820105 Medium voltage power controller  
A medium voltage power controller box is mounted on a chiller unit with the other components of the chiller system. The power controller box can be positioned on the chiller system unit to permit...
8769976 Method for controlling a refrigerant distribution  
A method for controlling a refrigerant distribution in a vapour compression system, such as a refrigeration system, e.g. an air condition system, comprising at least two evaporators. The...
8752400 Refrigerator  
A refrigerator includes a compressor to compress refrigerant, a condenser to liquefy the refrigerant supplied from the compressor, a capillary tube to decompress and expand the refrigerant...
8745997 Optimized cooling for vehicle with start-stop technology  
An air conditioning system for a start-stop vehicle employs a compressor with a variable displacement. A controller determines a normal Climate Thermal Load (CTL) value for controlling a variable...
8726679 Dedicated pulsing valve for compressor cylinder  
A reciprocating piston compressor for use in a refrigerant compression circuit comprises first and second intake manifolds, first and second reciprocating piston compression units, an outlet...
8726680 Electronic refrigeration control system including a variable speed compressor  
A refrigerator is provided having a refrigeration system including a variable speed compressor, a condenser, a condenser fan, an evaporator, a variable speed evaporator fan. The refrigerator...
8707718 System and method for controlling a vehicle engine  
An engine configured to drive a compressor of a vehicle air conditioning system is controlled based on a threshold condition. In at least one embodiment, a comfort-level selection is received, a...
8667805 Air conditioning system for communication equipment and controlling method thereof  
An air conditioner for communication equipment is provided. The air conditioner includes an indoor module disposed at an indoor space of a base station having communication equipment and including...
8650894 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...
8646284 Heat-source system and method for controlling the same  
A heat-source system includes centrifugal-chillers, cooling-water pumps, cooling towers, cooling-tower fans, chilled-water pumps, and a control unit for controlling them. A plurality of the...
8616014 Compressor having capacity modulation or fluid injection systems  
A compressor may include first and second scroll members and first and second pistons. The first scroll member includes a first end plate and a first scroll wrap. The second scroll member includes...
8615327 Device and method for humidity estimation  
A humidity estimation device connected with an air-conditioner includes a charge airflow rate estimation (CARE) unit, a charge air absolute humidity estimation (CAAHE) unit, an indoor generated...
8601827 Space-saving high-density modular data pod systems and energy-efficient cooling systems  
A space-saving, high-density modular data pod system and an energy-efficient cooling system are disclosed. The modular data pod system includes a central free-cooling system and a plurality of...
8596082 Refrigerator and the controlling method  
There are provided a refrigerator and a method of controlling the same. When a difference between a temperature of an inside of a freezer compartment and a set temperature is referred to as a...
8590329 Medium voltage power controller  
A medium voltage power controller box is mounted on a chiller unit with the other components of the chiller system. The power controller box can be positioned on the chiller system unit to permit...
8590327 Refrigerating apparatus  
A refrigerating apparatus for keeping an inside of a storage at a predetermined low-temperature state includes first and second refrigerant circuits including compressors, condensers,...
8590326 Refrigeration cycle apparatus  
A refrigeration cycle apparatus 100 includes a first compressor 101, a second compressor 102 provided in parallel with the first compressor 101, a radiator 103 for cooling a refrigerant compressed...
8584478 Refrigerator with regulable dehumidification  
A no-frost refrigerator includes at least one storage compartment, an evaporator, which can be switched on and off and is disposed in a chamber that is separate from the storage compartment, and a...
8578723 Air-conditioning system control apparatus  
An air-conditioning system control apparatus for controlling an air-conditioning system of a vehicle equipped with a motive power engine, having: a device for determining whether there is a...
8567207 Compressor control system using a variable geometry diffuser  
A system for controlling a centrifugal gas compressor (108) in an HVAC, refrigeration or liquid chiller system (100) in which flow of gas through the compressor is automatically controlled to...
8567206 Vehicle air conditioning system  
A vehicle air conditioning system includes a controller that initially controls operation of a compressor to switch between inactive and active states in response to detecting that an operating...
8555665 Method for operating a variable displacement compressor and system with a variable displacement compressor  
A system and a method for operating a variable-displacement compressor are provided wherein a volume of a compression chamber of at least one cylinder is varied during a compression cycle, wherein...
8544290 Medium voltage variable speed drive for a chiller unit  
A single medium voltage starter box is mounted on a chiller unit with the other components of the chiller system. The starter box can be positioned on the chiller system unit to permit the starter...
8539786 System and method for monitoring overheat of a compressor  
A system and method for monitoring an overheat condition of a compressor is provided. A compressor connected to an evaporator. A suction sensor outputs a suction signal corresponding to a...
8528353 Refrigerator and the controlling method  
There are provided a refrigerator and a method of controlling the same. The method of controlling a refrigerator includes varying stroke of an inverter linear compressor to operate the inverter...
8499574 Inside temperature control device for cold storage  
While an inverter compressor 32 is driven in a control range, an actual temperature drop S is calculated based on a detected inside temperature TR at every predetermined sampling time. Further, a...
8484989 Refrigeration system having an energy saving operation  
The refrigeration system has an energy saving operation mode performing: a first action in which a compressor (11) and an internal fan (16) are driven while the cooling capacity of an evaporator...
8474280 Refrigerating storage cabinet and control method for compressor thereof  
A deviation calculating unit 42 calculates a deviation between an internal temperature detected by a temperature sensor 35 and a target temperature provided from a target temperature setting unit...
8474279 Energy management of household appliances  
A refrigerator comprises a fresh food compartment and a freezer compartment and one or more power consuming features/functions including a refrigeration system for cooling the fresh food...
8468843 Temperature control system in a parked vehicle  
An air-conditioning system for vehicle temperature control incorporates a thermostat having contacts, and a circulation contour, including a condenser, an expansion valve essentially connected...
8434316 Compressor inlet pressure estimation apparatus for refrigeration cycle system  
A compressor inlet pressure estimation apparatus for a refrigeration cycle system is disclosed. An electronic control unit 14 answers YES by judging that the command to start a compressor 2 is...
8434315 Compressor driving torque estimating apparatus  
A compressor drive torque estimating device to be adapted for a system provided with a refrigeration cycle in which a refrigerant is circulated by a compressor driven by a drive source mounted in...

Matches 1 - 50 out of 390 1 2 3 4 5 6 7 8 >