[특허]Geothermal space conditioning

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Geothermal space conditioning

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-023/12
미국특허분류(USC)	062/260; 062/238.7; 137/563; 165/045
출원번호	US-0208823 (2002-08-01)
발명자 / 주소	Ace, Ronald S
대리인 / 주소	Jones, Tulllar & Cooper, PC
인용정보	피인용 횟수 : 12 인용 특허 : 11

초록

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An excavationless geothermal system for heating and cooling applications includes a potable water storage container that receives water from a water supply through a supply line and a reversible water meter. The water in the storage container is circulated through a heat pump, and when the temperature of the water in the container is increased or decreased by the heat pump, the water is returned to the supply through the reversible meter. ch is driven by the engine; a storage battery unit which is recharged with an output of the generator; a connection terminal that can be connected to a commercial power supply; an inverter for converting electric power supplied from the generator, the storage battery unit and the connection terminal, to power for driving the compressor; and a controller which has eleventh control means for supplying the output of the generator to the inverter, twelfth control means for supplying power from the storage battery unit to the inverter, thirteenth control means for supplying the power from the connection terminal to the inverter, fourteenth control means for supplying the output of the generator to the inverter and supplying power from the storage battery unit to the inverter when no power is thereafter available from the generator, and fifteenth control means for supplying the power from the connection terminal to the inverter and supplying power from the storage battery unit to the inverter when power is no longer supplied to the connection terminal. 8. An apparatus according to claim 7, further comprising a power supply for the controller, which outputs power necessary for driving the controller. 9. An apparatus according to claim 8, wherein the controller further has seventeenth control means which forms a power-supplying path for supplying power from the power supply to the controller and which maintains the power-supplying path until a preset time elapses after the eleventh, twelfth, thirteenth, fourteenth and fifteenth control means perform controls. 10. An apparatus according to claim 8, wherein the controller further has a nonvolatile data storage unit, seventeenth control means and eighteenth control means, the seventeenth control means forms a power-supplying path for supplying power from the power supply to the controller and maintains the power-supplying path until a preset time elapses after the eleventh, twelfth, thirteenth, fourteenth and fifteenth control means perform controls, and the eighteenth control means stores control data about the control that the controller has performed, into the nonvolatile data storage unit. 11. An apparatus according to claim 8, wherein the controller further has a nonvolatile data storage unit, seventeenth control means and nineteen control means, the seventeenth control means forms a power-supplying path for supplying power from the power supply to the controller and maintains the power-supplying path until a preset time elapses after the eleventh, twelfth, thirteenth, fourteenth and fifteenth control means perform controls, and the nineteenth control means performs pressure-balancing control during the preset time to balance refrigerant pressures at high- and low-pressure sides of the refrigerating cycle. 12. An apparatus according to claim 8, wherein the power supply for the controller is a vehicle battery or the storage battery unit. 13. A refrigerating apparatus for use in vehicles that has an engine and refrigerating chamber, designed to cool the interior of the refrigerating chamber, said apparatus comprising: a refrigerating cycle having a compressor, a condenser and an evaporator, in which refrigerant discharged from the compressor is circulated through the condenser and the evaporator; an intra-chamber temperature sensor provided in the refrigerating chamber and configured to detect a temperature in the refrigerating chamber; a generator which is driven by the engine; a connection terminal that can be connected to a commercial power supply; a rectifying circuit for rectifying an output of the generator and power supplied to the connection terminal; a storage battery unit which is recharged with the output of the generator; a switching circuit for converting an output of the rectifying circuit and power of the storage battery unit to power for driving the compressor; a first switch provided in a current path between the generator and the rectifying circuit; a second switch provided in a current path between the connection terminal and the rectifying circuit; a third switch provided in a current path between the storage battery unit and the switching circuit; a first operation switch which start and stop the engine; a second operation switch which supplies the power of the storage battery unit to drive the compressor; a power supply for the controller, which outputs power necessary for driving the controller; and a controller having detecting means for detecting whether the generator outputs power and whether power is supplied to the connection terminal, twenty-first control means for controlling the switches in accordance with the fact detected by the detecting means and the operation of the second operation switch thereby to selectively perform a generator-driving mode operation of driving the compressor with the output of the generator, a commercial power mode operation of driving the compressor with power of the commercial power supply, an idling-stop mode operation of driving the compressor with the power of the storage battery unit and an automatic mode operation of changing the operating mode to the idling-stop mode after the generator-driving mode operation and the commercial power mode operation are terminated; a twenty-second control means for controlling the switching circuit and an output frequency of the switching circuit in accordance with the temperature detected by the intra-chamber temperature sensor; and a twenty-third control means for forming a power-supplying path extending from the power supply to the controller, when the first operation switch or the second operation switch is turned on, and for maintaining the power-supplying path until a preset time elapses after each mode operation is terminated. 14. An apparatus according to claim 13, wherein the controller further has a nonvolatile data storage unit and twenty-fourth control means which stores control data about the control that the controller has performed, into the nonvolatile data storage unit when the preset time for the twenty-third control means elapses. 15. An apparatus according to claim 13, wherein the controller has a twenty-fifth control means, which performs a pressure balance control to balance refrigerant pressures at high- and low-pressure sides of the refrigerating cycle during the preset time the twenty-third control means elapses. 16. An apparatus according to claim 13, wherein the controller further has a twenty-sixth control means, which lowers the output frequency of the switching circuit to a preset value when the power supply for the switching circuit is switched, in spite of the control performed by the twenty-second control means. 17. An apparatus according to claim 13, wherein the twenty-second control means controls the switching circuit in accordance with the temperature detected by the intra-chamber temperature sensor, controls the output voltage and output frequency of the switching circuit and switches a control pattern of the output voltage and output frequency in accordance with whether the power supply of the switching circuit is the generator, the commercial power supply or the storage battery unit, and the controller further has twenty-sixth control means and twenty-seventh control means, said twenty-sixth control means being designed to lower the output frequency of the switching circuit to a preset value when the power supply for the switching circuit is switched, in spite of the control performed by the twenty-second control means, and said twenty-seventh control means being designed to change the output voltage of the switching circuit so that the output frequency of the switching circuit may remains at the preset value when the twenty-sixth control means lowers the output frequency of the switching circuit, though the control pattern of the twenty-second control means is switched. 18. An apparatus according to claim 13, wherein the twenty-second control m

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이 특허를 인용한 특허 피인용횟수: 12

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Geothermal space conditioning

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이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 피인용횟수: 12

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Geothermal space conditioning

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이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 피인용횟수: 12

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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