| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 062203000 | Plural refrigerating producing elements and plural sensors | 17 |
| 20090151377 | Refrigeration System and Refrigeration System Analyzer - In a refrigeration system ( | 06-18-2009 |
| 20100326106 | BEVERAGE COOLING APPARATUS - A beverage cooling apparatus includes a cooling module, a liquid tank, and a control unit. The cooling module comprises a compressor, a condenser, a flow controller, an evaporator and a plurality of circulating pipes. The compressor, the condenser, the flow controller and the evaporator are serially connected via each circulating pipe to form a closed circle for providing a conductive medium to circulate in the closed circle. The condenser has a fan. The liquid tank has a lateral wall. The evaporator is arranged adjacent to the lateral wall of the liquid tank, wherein a temperature sensor is arranged within the liquid tank. The control unit is electronically connected with the fan of the condenser and the temperature sensor respectively, wherein the control unit controls the fan to start/stop and further controls the rotational speed of the fan. Therefore, the compressor has long operation life because the compressor is not frequently start and stop. | 12-30-2010 |
| 20100326107 | REFRIGERATION CYCLE APPARATUS - A refrigeration cycle apparatus ( | 12-30-2010 |
| 20110000239 | REFRIGERATION SYSTEM - An air conditioner ( | 01-06-2011 |
| 20120192582 | HEAT PUMP INTEROPERATING HOT WATER FEEDING APPARATUS - A heat pump interoperating hot water feeding apparatus is provided that may determine whether to activate only the first coolant circulation circuit along which the first coolant is circulated or the first coolant circulation circuit as well as the second coolant circulation circuit along which the second coolant is circulated depending on an external air temperature or target water temperature, thus providing the optimal performance. | 08-02-2012 |
| 20120297803 | AIR-CONDITIONING APPARATUS - To provide an air-conditioning apparatus capable of achieving energy saving. In an air-conditioning apparatus, a first housing (an outdoor unit) that accommodates a compressor and a heat source side heat exchanger; a second housing (a heat medium relay unit) that accommodates a heat exchanger related to heat medium, an expansion device, and a pump; a third housing (a heat medium regulating unit) that accommodates a first heat medium flow switching device, a second heat medium flow switching device, and a heat medium flow control device; and a fourth housing (indoor unit) that accommodates a use side heat exchanger have separately different casings. | 11-29-2012 |
| 20130091883 | CONTROLLER, METHOD OF OPERATING A WATER SOURCE HEAT PUMP AND A WATER SOURCE HEAT PUMP - A controller, a water source heat pump and a computer useable medium are disclosed herein. In one embodiment the controller includes: (1) an interface configured to receive operating data and monitoring data from the water source heat pump and transmit control signals to components of thereof and (2) a processor configured to respond to the operating data or the monitoring data by operating at least one motor-operated valve of the water source heat pump via a control signal. | 04-18-2013 |
| 20140053588 | HIGH-EFFICIENCY DATA CENTER COOLING - Embodiments of the invention provide high-efficiency cooling in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops to allow for a higher chilled liquid temperature of a first chilled liquid loop, while maintaining data center room temperature and humidity control. Specifically, the system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads. | 02-27-2014 |
| 20150300675 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes refrigerant systems that each include an outdoor unit and indoor units and that air-condition a single room, and circulators for making a temperature distribution in the room uniform. The air-conditioning apparatus determines a load on each of the two refrigerant systems in operation, and, if it is determined that improvement of operating efficiency is possible on the basis of the determination result, performs a system-selective operation in which operation of one of the refrigerant systems determined to be under a low load is stopped and the other refrigerant system determined to be under a high load is selectively performed, and causes the circulators to transport blown air blown from the indoor units of the refrigerant system determined to be under a high load to an air-conditioned zone of the refrigerant system determined to be under a low load. | 10-22-2015 |
| 20170234576 | AIR-CONDITIONING AND HOT WATER SUPPLYING COMPOSITE SYSTEM | 08-17-2017 |
| 062204000 | Including expansion valve or variable restrictor | 7 |
| 20090090117 | 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 temperature of refrigerant entering the compressor. A control module is connected to the evaporator sensor and the suction sensor and determines an evaporator temperature, calculates a suction superheat temperature based on the evaporator temperature and the suction signal, and monitors an overheat condition of the compressor by comparing the suction superheat with a predetermined suction superheat threshold. | 04-09-2009 |
| 20090260380 | Refrigeration System - A refrigerant circuit ( | 10-22-2009 |
| 20110113803 | MULTI-EVAPORATION SYSTEM - Provided is a multi-evaporation system which carries out a multi-evaporation process in an air-conditioning cycle of a vehicle air conditioning system, thereby enhancing system efficiency. The multi-evaporation system includes a compressor | 05-19-2011 |
| 20120174611 | AIR-CONDITIONING APPARATUS - To provide an air-conditioning apparatus capable of achieving energy saving, a pump control of controlling the operating capacity of a pump is performed such that an opening degree of a heat medium flow control device, controlled by a heat-medium-flow-control-device control, approaches a target opening degree, and a refrigeration cycle of a refrigerant circuit is controlled such that the temperature of a heat medium, whose flow rate is controlled by the heat-medium-flow-control-device control and the pump control, approaches a target temperature. | 07-12-2012 |
| 20160084553 | CHILLER APPARATUS - Chiller apparatus performs temperature-control operation without placing excessive load on an electric compressor even when temperature difference between set and work temperatures are small; little temperature difference between refrigerant intake side and refrigerant discharge side of an evaporator in freezing-cycle, at time of temperature-control setting with small temperature difference between set and work temperatures; PCB | 03-24-2016 |
| 062205000 | Plural variable restrictors in flow line | 2 |
| 20140260387 | AIR-CONDITIONING APPARATUS - When indoor units are performing a cooling operation, an air-conditioning apparatus controls third flow passage switching valves, for example a first solenoid valve, a second solenoid valve, a third solenoid valve, and a fourth solenoid valve, so that a number of intermediate heat exchangers operating as evaporators is greater than in a cooling main operation. During the cooling main operation, a target value for suction pressure or evaporating temperature at a compressor is set equal to or lower than that in a case in which the indoor units are performing the cooling operation, and a frequency of the compressor and a capacity of a heat-source-side heat exchanger are controlled. | 09-18-2014 |
| 20160161163 | VARIABLE REFRIGERANT FLOW SYSTEM OPERATION IN LOW AMBIENT CONDITIONS - A system comprising a compressor coupled to a first coil through a first valve and a second coil through a second valve, wherein the first coil and the second coil are coupled to a third coil. The system further comprises a fan operable to blow ambient air across the first coil, a first expansion valve coupled to and positioned between the first coil and the third coil and a second expansion valve coupled to and positioned between the second coil and the third coil. The system comprises a controller operable to monitor a pressure of the refrigerant, operate the first expansion valve to reduce refrigerant flow into the first, and operate the second expansion valve to reduce refrigerant flow through the second coil. | 06-09-2016 |
