[특허]Climate control system for vehicle berths and cabs

Groupe Énerstat Inc.

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특허 상세정보

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Climate control system for vehicle berths and cabs

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-001/00 F25B-041/00 F25D-017/02
미국특허분류(USC)	062/230; 062/244; 062/434; 062/513; 165/042
출원번호	UP-0574349 (2005-08-31)
등록번호	US-7707845 (2010-06-03)
국제출원번호	PCT/CA2005/001334 (2005-08-31)
§371/§102 date	20070227 (20070227)
국제공개번호	WO06/024168 (2006-03-09)
발명자 / 주소	Bilodeau, Stéphane
출원인 / 주소	Groupe Énerstat Inc.
대리인 / 주소	Ogilvy Renault LLP
인용정보	피인용 횟수 : 0 인용 특허 : 13

초록
▼

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 the first refrigerant, a radiator (22) in the cab/berth to adjust a temperature of the cab/berth, and a heat-exchange unit (23). A refrigeration circuit (14) is provided for submitting a second refrigerant to a refrigeration cycle. An evaporation stage (43) is in heat-exchange relation with the heat-exchange unit (23) of the climate control circuit (12) such that the second refrigerant absorbs heat from the first refrigerant. A controller system (50) is powered by an electric power source (A) of the vehicle and selectively actuates the climate control circuit and the refrigeration circuit (14) so as to store cold or hot energy in the energy accumulator (20) when the electric power source (A) is charged, and selectively actuates the climate control circuit (12) to cool the cab/berth with the radiator (22).

대표
청구항
▼

The invention claimed is: 1. A climate control system for a cab/berth of a vehicle, comprising: an energy accumulator enclosing an accumulator refrigerant; a climate control circuit in which a first refrigerant different from the accumulator refrigerant circulates between at least the energy accumulator in which the accumulator refrigerant is isolated from and in heat exchange with the first refrigerant, a radiator in which the first refrigerant is in heat exchange with a fluid blown in the cab/berth to adjust a temperature of the cab/berth, and a heat-exchange unit; a refrigeration circuit in which a second refrigerant different from the accumulator refrigerant circulates between a compression stage, a condensation stage, an expansion stage and an evaporation stage for submitting the second refrigerant to a refrigeration cycle, the compression stage having at least one electrically powered compressor, and the evaporation stage being in direct heat-exchange relation with the heat-exchange unit of the climate control circuit such that the second refrigerant absorbs heat from the first refrigerant; and a controller system powered by an electric power source of the vehicle and selectively actuating the climate control circuit and the refrigeration circuit so as to store cold energy in the energy accumulator when the vehicle is turned on and charges the electric power source, and selectively actuating the climate control circuit to cool the fluid blown in the cab/berth with the radiator. 2. The climate control system according to claim 1, wherein the climate control circuit has a heating unit, and the controller system is adapted to selectively store hot energy in the energy accumulator, and actuate the climate control circuit to heat the fluid blown in the cab/berth with the radiator. 3. The climate control system according to claim 1, wherein the accumulator refrigerant changes phase when storing cold energy. 4. A climate control system for a cab/berth of a vehicle, comprising: an operator interface for receiving a set point temperature for the cab/berth from an operator; an energy accumulator enclosing an accumulator refrigerant; a climate control circuit in which a first refrigerant different and isolated from the accumulator refrigerant circulates between at least the energy accumulator in which the accumulator refrigerant is in heat exchange with the first refrigerant, a heating unit to heat the first refrigerant, a radiator in which the first refrigerant is in heat exchange with a fluid blown in the cab/berth to adjust a temperature of the cab/berth, and a heat-exchange unit; a refrigeration circuit in which a second refrigerant circulates between a compression stage, a condensation stage, an expansion stage and an evaporation stage for submitting the second refrigerant to a refrigeration cycle, the evaporation stage being in direct heat-exchange relation with the heat-exchange unit of the climate control circuit such that the second refrigerant absorbs heat from the first refrigerant; sensors to monitor at least a temperature of the accumulator refrigerant, an outdoor temperature, and a cab/berth temperature; an energy level calculator associated with the sensors to calculate a required energy level of the energy accumulator as a function of temperature readings of the sensors; and an operation controller connected to the electric power source of the vehicle and connected to the energy level calculator, the operation controller being provided for one of (1) actuating the refrigeration circuit and the climate control circuit without the heating unit to store cold energy in the energy accumulator, and (2) actuating the climate control circuit with the heating unit to store hot energy in the energy accumulator, with operations (1) and (2) being selected as a function of the energy level of the energy accumulator and of the set point temperature, and for (3) actuating the climate control circuit to treat the fluid blown in the cab/berth by circulating the first refrigerant in the radiator. 5. The climate control system according to claim 4, further comprising a power level calculator connected to the operation controller so as to monitor a power level of the electric power source of the vehicle and indicate when any of operations (1), (2) and (3) is to be performed as a function of the power level of the electric power source. 6. The climate control system according to claim 5, wherein the power level calculator indicates that the operations (1) and (2) can be performed when the vehicle is running. 7. The climate control system according to claim 4, further comprising a power accumulator connected to the operation controller for accumulating electric power from the electric power source of the vehicle, whereby the climate control system is powered by the power accumulator when the vehicle is turned off. 8. The climate control system according to claim 7, further comprising a power level calculator connected to the operation controller so as to monitor a power level of the electric power source of the vehicle and indicate when electric power can be accumulated in the power accumulator as a function of the power level of the electric power source. 9. The climate control system according to claim 8, wherein the power level calculator is connected to the operation controller so as to monitor the power level of the electric power source of the vehicle and indicate when any of operations (1), (2) and (3) is to be performed as a function of the power level of the electric power source. 10. The climate control system according to claim 4, wherein the heating unit of the climate control circuit has a burner burning vehicle fuel to heat the first refrigerant. 11. The climate control system according to claim 4, wherein any one of the operations (1) and (2) performed by the operation controller are performed simultaneously with the operation (3). 12. The climate control system according to claim 4, wherein the accumulator refrigerant changes phase during one of the operations (1) and (2).

이 특허에 인용된 특허 (13)

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특허 상세정보

Climate control system for vehicle berths and cabs

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이 특허에 인용된 특허 (13)

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Climate control system for vehicle berths and cabs

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이 특허에 인용된 특허 (13)

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