Refrigeration system with brushless DC motor compressor drive

POWER CONVERSION DEVICE AND REFRIGERATION AIR-CONDITIONING APPARATUS

Heat pump device, and air conditioner, heat pump water heater, refrigerator, and freezing machine including heat pump device

Air conditioner and method of controlling the same

Motor assembly with integrated on/off detection with speed profile operation

Refrigerating device for containers

REFRIGERATION CYCLE APPARATUS AND METHOD OF OPERATING THE SAME

Chiller apparatus with freezing cycle for cooling and refrigerant cycle for heating

Refrigerator

Variable speed compressor control with lost rotor mitigation

Motor driving apparatus and refrigerator including same

Variable speed compressor control with sound-controlled defrost mode

Power conversion device, motor drive device including power conversion device, air blower and compressor including motor drive device, and air conditioner, refrigerator, and freezer including air blower and compressor

Refrigerant charge detection for ice machines

Low load capacity protection

Apparatuses, systems, and methods of variable frequency drive operation and control

Controls and operation of variable frequency drives

Hybrid power supply device of air-conditioner

Motor driving device and air conditioner including the same

MOTOR DRIVING DEVICE AND AIR CONDITIONER INCLUDING THE SAME

Motor driving device and air conditioner including the same

Method for controlling an economizer circuit

HVAC electrical system power supply packaging system

Method and apparatus for adjusting operating frequency of inverter compressor

Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps

Methods and systems to control an engine of a transport refrigeration unit

Thermodynamic cycle process system

Variable speed drive control for chiller coast-through

System for controlling operation of an HVAC system

Method for controlling a compressor of a refrigeration system, and refrigeration system

Air conditioner

Variable-operating point components for cube ice machines

Methods and apparatus for determining power consumption

Engine driven heat pump

Method and system for dynamic power allocation in a transport refrigeration system

Engine driven heat pump

Motor driving device and air conditioner including the same

Heat pump device, heat pump system, air conditioner, and freezer

Motor control device

Air-conditioning apparatus with thermo-off postponement control

Refrigerator

Heat pump device, air conditioner, and freezer

Heat pump device, air conditioner, and freezer that efficiently heats refrigerant on standby

Method for controlling electric compressor of heat pump system for an automotive vehicle

Motor control device and air conditioner

Control system

Screw compressor drive control

Heat cycle for transfer of heat between media and for generation of electricity

System and method for controlling a heat pump for a swimming pool

Variable capacity screw compressor and method

Heat exchanger

Number-of-machines control device for heat source system, method therefor, and heat source system

Heat pump device, air conditioner, and freezer

Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump device

System and method for reducing noise within a refrigeration system

System and method for controlling compressor motor voltage

Variable PID enable for compressor control algorithm

Control device for switching power supply circuit, and heat pump unit

Heat pump device, heat pump system, and method for controlling inverter

Heat pump device, air conditioner, and refrigerating machine

Heat pump and method of controlling heat based on operating frequency of heating load of heating space thereof

REFERIGERANT-TO-AIR DEVICE

Medium voltage power controller

Cooling apparatus and control method thereof

Transport refrigeration system and method for operating

Efficient control algorithm for start-stop operation of a refrigeration unit powered by engine

System and method for controlling an economizer circuit

Cooling device for vehicles and method for controlling and/or regulating a cooling device

Heat pump device, heat pump system, and method for controlling three-phase inverter

Heat pump device, heat pump system, and method for controlling three-phase inverter

Heat pump device, heat pump system, and method for controlling inverter

Current limit control on a transport refrigeration system

Estimation apparatus of heat transfer medium flow rate, heat source machine, and estimation method of heat transfer medium flow rate

Apparatus and method for controlling a compressor

Heat pump device, heat pump system, and method for controlling three-phase inverter

Heat pump device, heat pump system, and a control method of three-phase inverter

Screw compressor drive control

Apparatus and method for controlling a compressor, and refrigerator comprising same

Device and method for controlling compressor, and refrigerator including same

Refrigeration apparatus

Apparatus and method for evaluating performance of centrifugal chiller

Refrigeration system

Control apparatus and refrigerating apparatus

Data and commands communication system and method between variable capacity compressor and electronic thermostat for a cooling system

Medium voltage power controller

Air conditioner controlling prheating power of compressor and mechanism providing preheating power for compressor

Air conditioning apparatus

COMPRESSOR MOTOR PREHEAT CONTROL

Air-conditioning apparatus

METHOD FOR CONTROLLING ELECTRIC COMPRESSOR

Air-conditioning apparatus

Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps

Cooling storage cabinet with dual evaporators and an inverter compressor

Fan motor controller for use in an air conditioning system

Efficient computer cooling methods and apparatus

Variable capacity screw compressor and method

Compressor surge control system and method

Electric compressor controller

CONTACTOR FOR AIR CONDITIONING UNIT

REFRIGERATION CYCLE APPARATUS

Air conditioner

MOTOR DRIVE DEVICE AND ELECTRIC EQUIPMENT UTILIZING THE SAME

AIR CONDITIONING APPARATUS AND METHOD OF CONTROLLING THE AIR CONDITIONING APPARATUS

VARIABLE PID ENABLE FOR COMPRESSOR CONTROL ALGORITHM

Apparatus for driving compressor of air conditioner and method for driving the same

Medium voltage variable speed drive for a chiller unit

System and method for detecting fluid delivery system conditions based on motor parameters

REFRIGERATING APPARATUS

Refrigeration systems having prescriptive refrigerant flow control

Discrete frequency operation for unit capacity control

Air conditioner and compressor having power and saving modes of operation

Performance evaluation device for variable-speed centrifugal chiller

Refrigeration system with parallel evaporators and variable speed compressor

Air conditioner, air conditioner manufacturing method, and compressor

Refrigerant System With Stator Heater

Linear compressor

Screw compressor drive control

Controller and method for minimizing phase advance current

Apparatus for driving motor of air conditioner and method for driving the same

ELECTROMECHANICAL SYSTEM HAVING A VARIABLE FREQUENCY DRIVE POWER SUPPLY FOR 3-PHASE AND 1-PHASE MOTORS

HVAC/R system with variable frequency drive power supply for three-phase and single-phase motors

HIGH EFFICIENCY DC COMPRESSOR AND HVAC/R SYSTEM USING THE COMPRESSOR

Refrigerator unit and/or freezer unit

Two speed control for mobile refrigeration generators

Motor current detecting device and air conditioning apparatus

METHOD FOR CONTROLLING ELECTRIC COMPRESSOR

Inverter driven compressor operation method and compressor drive device

Systems and methods of powering a refrigeration unit of a hybrid vehicle

Operation controller for compressor and air conditioner having the same

ENVIRONMENTAL CONTROL UNIT FOR HARSH CONDITIONS

System and method for detecting fluid delivery system conditions based on motor parameters

ENERGY EFFICIENT AIR CONDITIONING SYSTEM AND METHOD UTILIZING VARIABLE CAPACITY COMPRESSOR AND SENSIBLE HEAT RATIO LOAD MATCHING

Refrigerator and the controlling method

Start-up control device and method for electric scroll compressor

Electronic refrigeration control system including a variable speed compressor

Refrigerator and operating method thereof

ENVIRONMENTAL CONTROL UNIT FOR HARSH CONDITIONS

Multiple electric motors driving a single compressor string

System and method for forming universal control panel

Compressor diagnostic system

Variable speed drive for permanent magnet motor

Permanent magnet synchronous motor and drive system

Variable speed drive with pulse-width modulated speed control

Variable speed drive for permanent magnet motor

System for compressor capacity modulation

Refrigerating storage cabinet and control method for compressor thereof

STANDBY VARIABLE FREQUENCY COMPRESSOR DRIVE

Refrigerator and the controlling method

Refrigeration systems with voltage modulated compressor motors and methods of their control

Heat source apparatus, heat source system, and method for operating heat source apparatus

Capacity modulation compressor and air conditioning system having the same

Refrigerant system with multi-speed scroll compressor and economizer circuit

COMPRESSOR POWER CONTROL

REFRIGERANT SYSTEM WITH MULTI-SPEED PULSE WIDTH MODULATED COMPRESSOR

Refrigeration System

System and method for compressor capacity modulation in a heat pump

Refrigerant system with variable speed drive

METHOD OF CONTROLLING AIR CONDITIONER

Cooling Storage Cabinet and Method of Operating Thereof

Air conditioner and method of controlling the same

Air conditioning system with multiple power selections

Cooling storage cabinet

Trailer refrigeration system

Plug-in circuit and cooling system thereof

Method for controlling motor of air conditioner and motor controller of the same

Cooling storage cabinet and method of operating the same

System and method for calibrating parameters for a refrigeration system with a variable speed compressor

COMPRESSOR PROTECTION SYSTEM AND METHOD

Intelligent controller for refrigerating and air conditioning systems

Electric compressor and control device for estimating compressor discharge temperature

System and method for lowering a temperature of liquid exiting a heat exchanger in a vapor compression system

AIR CONDITIONER

Load driving device, outdoor unit of air conditioner, and driving method of load

Refrigeration unit having variable performance compressor operated based on high-pressure side pressure

Refrigerant System With Variable Speed Scroll Compressor and Economizer Circuit

Method and control system for a compressor that is operable with a climate system

Heat Pump Water Heating System Using Variable Speed Compressor

Refrigeration system and method using multiple variable capacity devices

Method and Apparatus of Optimizing the Cooling Load of an Economized Vapor Compression System

Speed control of multiple components in refrigerant systems

Air conditioning apparatus

Environmental control unit for harsh conditions

Apparatus and method of driving compressor

Control method and system

Refrigerant System with Pulse Width Modulated Components and Variable Speed Compressor

SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONER

Variable speed compressor motor control for low speed operation

System and method for controlling an economizer circuit

Compressor control device and method for controlling a compressor

Cooling systems for variable speed drives and inductors

System and method to extend synchronous operation of an active converter in a variable speed drive

Variable speed drive with integral bypass contactor

Common mode & differential mode filter for variable speed drive

APPARATUS AND METHOD FOR CONTROLLING OPERATION OF RECIPROCATING COMPRESSOR

Medium voltage starter for a chiller unit

Method of preheating inverter-driven compressor and device therefor

Refrigeration systems having prescriptive refrigerant flow control

Vsd Control

High capacity chiller compressor

Wild frequency avionic refrigeration system and controller therefor

Control device of motor for refrigerant compressor

Air Conditioner

SYSTEM AND METHOD FOR COMPRESSOR CAPACITY MODULATION IN A HEAT PUMP

Recording and conveying energy consumption and power information

Conveying Temperature Information in a Controlled Variable Speed Heating, Ventilation, and Air Conditioning (HVAC) System

Low voltage variable speed drive for application on medium/high voltage mains

Air conditioner

Variable capacity air conditioning system

Refrigerator and a Method for Controlling Variable Cooling Capacity Thereof

Variable speed control

Compressor cooling system

System for controlling compressor of cooling system and method for controlling the same

Variable Speed Drive for a Chiller System with a Switched Reluctance Motor

Refrigeration system

Electronic control transformer using DC link voltage

System and method for level control in a flash tank

STARTUP CONTROL SYSTEM AND METHOD FOR A MULTIPLE COMPRESSOR CHILLER SYSTEM

Reduced compressor capacity controls

Refrigerant system with multi-speed scroll compressor and economizer circuit

Refrigerator and control method of the same

Application of a switched reluctance motion control system in a chiller system

System and method for capacity control in a multiple compressor chiller system

HEAT PUMP APPARATUS USING EXPANDER

Air conditioner

System and method for capacity control in a multiple compressor chiller system

System and method for compressor capacity modulation

Controlling a voltage-to-frequency ratio for a variable speed drive in refrigerant systems

Electronic refrigeration control system including a variable speed compressor

Electronic refrigeration control system

Method and system for controlling a compressor for an HVAC module

Method and system for cooling a work machine compartment

Heat exchanging device having changeable compressor

Refrigeration system with parallel evaporators and variable speed compressor

Variable speed drive for a chiller system with a switched reluctance motor

Skipping frequencies for variable speed controls

Mobile refrigeration system and control

Mobile refrigeration system and control

System for precharging a DC link in a variable speed drive

Motor controlling device, compressor, air conditioner and refrigerator

Beverage supply device

Vehicular air-conditioning system

Medium voltage starter for a chiller unit

Centrifugal compressor for turbo chiller, turbo chiller, and control method therefor

Method for controlling operation of compressor and apparatus thereof

Energy efficient capacity control for an air conditioning system

Compressor diagnostic system

Mobile refrigeration system and control

Apparatus for controlling operation of air conditioner

Compressor diagnostic method

Apparatus for driving a compressor and a refrigerating air conditioner

System and method for controlling an economizer circuit

Method of controlling compressor and controller

Drive unit for compressor and refrigerator

Defrosting method for air conditioner

System and method for capacity control in a multiple compressor chiller system

Startup control system and method for a multiple compressor chiller system

Air conditioner for vehicle capable of preventing inverter overheating

Method and apparatus for reducing inrush current in a multi-stage compressor

Refrigerating apparatus and inverter device

System and apparatus controlling a variable speed compressor system

System and apparatus for delivering expanded refrigerant to an air/gas dryer

Variable speed drive for multiple loads

System and method for variable speed operation of a screw compressor

Operation control device for cooling apparatus

Method for the storage of deep-frozen goods

Air conditioner

Turbo chiller, compressor therefor, and control method therefor

Method for controlling operation of air conditioner

Method for controlling air conditioner having multi-compressor

Refrigerating machine

Method and apparatus for variable frequency controlled compressor and fan

System and method for controlling air conditioner

Refrigerator

Deployable power pack for a dual mode high speed propulsion system

Rotor position measurement and control

HVAC and/or refrigeration using power factor correction

Multi-stage compressor with variable speed drive and method of use

Simple low-cost retrofit device and method to replace a variable air flow electronically commutated motor with a permanent split capacitor motor capable of operating at multiple speed settings