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| Number | Title | Issue Date |
| 8181473 | Refrigeration cycle device, and air conditioner for vehicle In a refrigeration cycle device in which a compressor is driven by power transmitted from an engine, a torque limiter is adapted to interrupt a transmission of the power from the engine to the compressor when a torque transmitted from the engine to the compressor be... | 05/22/2012 |
| 7886553 | Method and a control unit for controlling a power level A method and a control unit for controlling a power level being drawn from a power source (26). Based on a determined rate of change of a measured voltage (1) an estimated remaining runtime is calculated. The estimated remaining runtime represents a ti... | 02/15/2011 |
| 7707845 | Climate control system for vehicle berths and cabs A climate control system (10) for a cab/berth of a vehicle, comprises a climate control circuit (12) in which a first refrigerant circulates between at least an energy accumulator (20) in which an accumulator refrigerant is in heat exchange with... | 05/04/2010 |
| 7694525 | Unitary control for air conditioner and/or heat pump A unitary control for operating at least the fan and compressor of a climate control apparatus in response to signals received from a thermostat, the unitary air conditioning control includes a circuit board, a microprocessor on the circuit board; a first relay on t... | 04/13/2010 |
| 7637117 | Air-conditioning system An air-conditioning system includes a refrigeration cycle and a control unit. The refrigeration cycle includes an electric compressor in which a compression mechanism for drawing a refrigerant therein for compression is integrated with an electric motor for driving ... | 12/29/2009 |
| 7614245 | Fuel cell power generation refrigerating system A cell body receiving fuel supply to generate power, an inverter receiving output power of the cell body to convert it into ac power, and a vapor-compression refrigerating machine receiving the ac power output from the inverter as operating power and using a motor a... | 11/10/2009 |
| 7472559 | Method for controlling air conditioner Disclosed is a method for controlling an air conditioner. In particular, driving modes of elements, namely sucking/discharge compressure, of the compressor in operation are determined so that variable means are controlled to ensure for the elements of the compressor... | 01/06/2009 |
| 7444824 | Unitary control for air conditioner and/or heat pump A unitary control for operating at least the fan and compressor of a climate control apparatus in response to signals received from a thermostat, the unitary air conditioning control includes a circuit board, a microprocessor on the circuit board; a first relay on t... | 11/04/2008 |
| 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 at least a controller, a blower, a passenger compartment temperature... | 10/28/2008 |
| 7412839 | Remote data acquisition system and method An apparatus for diagnosing a cooling system includes a first sensor for sensing a first operating parameter, a second sensor for sensing a motor operating parameter, a controller in communication with the sensors for receiving a signal from each of the sensors, and... | 08/19/2008 |
| 7398653 | Air conditioner for vehicle capable of preventing inverter overheating An inverter 6 that drives an electric motor 4 of the electric compressor 3 operates in a protection-against-overheat mode, in which the electric motor is driven at a rotational speed for protection against heat different from a rotational speed ... | 07/15/2008 |
| 7364093 | Thermostat having default curtailment temperature settings A thermostat capable of receiving signals transmitted by a utility provider communicating a usage rate schedule or a request for a load curtailment period, and controlling one or more systems based on the information communicated by the utility. The thermostat chang... | 04/29/2008 |
| 7356548 | System and method for remote monitoring and controlling of facility energy consumption A method for remote monitoring and controlling of energy consumption of a facility includes receiving energy consumption data associated with the facility at a processor disposed remotely from the facility. The method also includes receiving environmental data assoc... | 04/08/2008 |
| 7350365 | Method for controlling cogeneration system A method for controlling a cogeneration system is disclosed. The control method determines whether or not the operation load or power load of an air conditioner corresponds to a load requiring driving of a generator, controls the generator to operate when it is dete... | 04/01/2008 |
| 7331191 | Heating, ventilation and air conditioning (HVAC) system and method using feedback linearization A new feedback linearization approach to advanced control of single-unit and multi-unit HVAC systems is described. In accordance with the approach of the invention, this new nonlinear control includes a model-based feedback linearization part to compensate for the n... | 02/19/2008 |
| 7313923 | Compressor diagnostic system for communicating with an intelligent device A compressor includes a motor protector which stops the compressor motor when it senses an out of specification condition. A diagnostic system monitors the status of the motor protector and includes logic circuitry that diagnoses the type of problem the compressor o... | 01/01/2008 |
| 7302806 | Motor vehicle with an air-conditioning system In a motor vehicle with a combustion engine, an electronic engine-management device, and an air-conditioning system with an air-conditioning control device, the air-conditioning compressor has reciprocating pistons whose displacement stroke is adjustable through one... | 12/04/2007 |
| 7301773 | Semi-compliant joining mechanism for semiconductor cooling applications A heat collection apparatus is mounted to the heat source using a gimbal plate, which includes a gimbal joint. The gimbal joint enables application of a retaining force to the heat collection apparatus as a single-point load. The retaining force is applied along a v... | 11/27/2007 |
| 7292004 | Motor driving apparatus A motor driving apparatus for driving a motor includes a single-phase rectifier circuit having an input connected to a single-phase AC power supply, an inverter circuit that is connected to the single-phase rectifier circuit and applies a current and a voltage to th... | 11/06/2007 |
| 7287395 | Distributed cooling system A system includes a plurality of distributed refrigeration units respectively coupled to discrete refrigeration circuits. Each refrigeration unit may include a variable compressor, a fixed compressor, a condensing unit, and a controller. The controller compares an o... | 10/30/2007 |
| 7286907 | Method and apparatus for conserving power consumed by a refrigerated appliance utilizing audio signal detection A refrigerated appliance that dispenses items for use with a power source and includes a cooling system. Power control circuitry is electrically coupled between the power source and components (for example, a compressor and one or more circulating fans of the coolin... | 10/23/2007 |
| 7278275 | Mechanism for dispensing shaved ice from a refrigeration appliance A mechanism for dispensing ice in each of three selected forms, namely, cubed, crushed and shaved. This mechanism includes a reservoir arranged to hold a supply of ice cubes, a dispensing zone, a delivery mechanism arranged for dispensing ice cubes from said reservo... | 10/09/2007 |
| 7278833 | Hybrid compressor A hybrid compressor includes a first compression mechanism, which is driven by a first drive source, a second compression mechanism, which is driven by a second drive source, and a communication path communicating between a suction chamber of the first compression m... | 10/09/2007 |
| 7266972 | Ice making and dispensing system An ice making and dispensing system suitable for making and dispensing ice through the refrigerator compartment door of a bottom freezer refrigerator. The ice maker and ice cube storage bin can be positioned in an insulated module in the refrigerator compartment opp... | 09/11/2007 |
| 7260947 | Air conditioning system operating on vehicle waste energy A waste energy-based vehicle air conditioning system includes efficient compression driving means coupled to refrigeration means. In one implementation, the compression driving means includes a controller (e.g., magnetic clutch) that couples mechanical waste energy ... | 08/28/2007 |
| 7246500 | Variable speed condenser fan control system A controller comprises a first input that receives a signal indicating an energy consumption value of a compressor, a second input that receives a signal indicating an energy consumption value of a variable speed condenser fan, and an output that provides a control ... | 07/24/2007 |
| 7243004 | Self-configuring controls for heating, ventilating and air conditioning systems A system for self-configuring complex HVAC systems has each of several units provided with a microprocessor control. The several units are each available in various optional styles, sizes, etc. The microprocessors provide information to a central control of the part... | 07/10/2007 |
| 7228702 | Ice making and dispensing system An ice making and dispensing system suitable for making and dispensing ice through the refrigerator compartment door of a bottom freezer refrigerator. The ice maker is positioned in an insulated sub-compartment in the refrigerator compartment maintained at a tempera... | 06/12/2007 |
| 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 compressor and a controller, the controller measuring the load of the compress... | 06/12/2007 |
| 7225089 | System and method for remote identification of energy consumption systems and components A system for remote energy consumption system identification of a facility includes a processor, and a memory coupled to the processor. The system also includes an energy consumption database accessible by the processor. The energy consumption database includes aggr... | 05/29/2007 |
| 7219509 | Ice making and dispensing system An ice making and dispensing system suitable for making and dispensing ice through the refrigerator compartment door of a bottom freezer refrigerator. The bottom freezer refrigerator includes an automatic ice maker in an insulated module positioned outside the freez... | 05/22/2007 |
| 7216495 | Air conditioning system Implementations of the present invention include systems, methods, and apparatus for improving the fuel efficiency (mpg/kpl) of a motor vehicle during those times when the vehicle air conditioning system is operating. Whenever the driver takes his foot off the gas, ... | 05/15/2007 |
| 7208891 | Variable speed drive for a chiller system A variable speed drive with a boost converter is provided for a chiller system driven by an induction motor. The boost converter can be a diode or thyristor rectifier followed by a boost DC/DC converter or a three-phase pulse width modulated boost converter. The boo... | 04/24/2007 |
| 7202626 | Variable speed drive for a chiller system with a switched reluctance motor A variable speed drive with a boost converter is provided for a chiller system driven by a switched reluctance motor. The boost converter can be a diode or thyristor rectifier followed by a boost DC/DC converter or a three-phase pulse width modulated boost converter... | 04/10/2007 |
| 7191608 | Cooling apparatus There is provided a cooling apparatus which can prevent an abnormal increase in pressure of a high side at the time of starting. The cooling apparatus comprises: a refrigerant circuit which uses carbon dioxide as a refrigerant; and a control device which controls a ... | 03/20/2007 |
| 7190137 | Method to control an electronically commutated motor and motor controller The invention relates to a method to control an electronically commutated motor in which the motor current is influenced as a function of an operating parameter of the motor. According to the invention, the motor current is adaptively switched as a function of the o... | 03/13/2007 |
| 7185507 | Ice making and dispensing system An ice making and dispensing system suitable for making and dispensing ice through the refrigerator compartment door of a bottom freezer refrigerator. The ice maker and ice cube storage bin are located in an insulated sub-compartment in the refrigerator compartment.... | 03/06/2007 |
| 7183729 | Motor vehicle comprising means for varying accelerator pedal extreme actuated position A motor vehicle including an electric drive engine capable of being successively supplied with electric power by two separate electric power sources, in particular by a set of batteries and by a fuel cell, and of the type including an accelerator pedal that is mobil... | 02/27/2007 |
| 7174728 | Remote data acquisition system and method A data acquisition system and method includes monitoring a cooling system having a refrigerant compressor, evaporator, and condenser, and employs a number of sensors to monitor various operating parameters of the system. A database stores predefined operating parame... | 02/13/2007 |
| 7170245 | Motor power supply control apparatus A motor power supply including a DC supply part having a pair of supply terminals; an inverter having a pair of connection terminals respectively connected to the supply terminals thereof to receive DC power therefrom and to supply AC power to a motor, a breaking re... | 01/30/2007 |
