IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0117195
(2002-04-08)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
18 인용 특허 :
5 |
초록
▼
A unit comprises a refrigerating circuit (30), at least part of a primary circuit (110), and connections (151, 152) for a user's circuit (120). The refrigerating circuit comprises an evaporator (E), a compressor (31), a condenser battery (C), and an expansion valve (34), and connection lines. The pr
A unit comprises a refrigerating circuit (30), at least part of a primary circuit (110), and connections (151, 152) for a user's circuit (120). The refrigerating circuit comprises an evaporator (E), a compressor (31), a condenser battery (C), and an expansion valve (34), and connection lines. The primary circuit extends through the evaporator and through an air-cooled "free-cooling" battery (FC). To allow a variable flow through the free-cooling battery, though maintaining the flow rate constant through the evaporator, the primary circuit (110) comprises a bypass line (140) extending between an outlet line from the evaporator and an inlet line to the evaporator, and a storage tank (A) on said bypass line.
대표청구항
▼
1. A chilling unit for a cooling system for cooling a user's terminal or battery, said unit including a refrigerating circuit (30) comprising an evaporator (E), a compressor, a condenser battery (C), and an expansion valve, and connection lines (36, 32, 33), and a primary circuit comprising an outle
1. A chilling unit for a cooling system for cooling a user's terminal or battery, said unit including a refrigerating circuit (30) comprising an evaporator (E), a compressor, a condenser battery (C), and an expansion valve, and connection lines (36, 32, 33), and a primary circuit comprising an outlet line (12) from the evaporator, a return line (13) from the user's terminal, an inlet line (18) to the evaporator, a free-cooling battery (FC), an inlet line (15) to the free-cooling battery, an outlet line (16) from the free-cooling battery, a bypass line (14) for bypassing the free-cooling battery, a three-way valve (V) connected to the outlet line (16) from the free-cooling battery, the bypass line (14), and the inlet line (18) to the evaporator, a pump (P1) of the primary circuit, characterized in that it further comprises a bypass line (140) between the outlet line (12) from the evaporator and the inlet line (18) to the evaporator, and a storage tank (A) on said bypass line. 2. A unit according to claim 1, characterized in that the pump (P1) of the primary circuit is mounted on the outlet line (12) from the evaporator. 3. A unit according to claim 1, made as a self-contained unit having unions (151, 152) for connection to a user's circuit (120). 4. A unit according to claim 1, in which a sub-unit (160), comprising the circulation pump (P1) of the primary circuit, a length of outlet line (12) from the evaporator, the bypass line (140), and the storage tank (A), is externally applied to an assembly comprising the other members of the chilling unit. 5. An auxiliary unit for a cooling system for a user's terminal or battery, said system comprising a chilling unit including a refrigerating circuit (30) having an evaporator (E), a compressor (31), a condenser battery (C), an expansion valve (34), and a primary circuit comprising an outlet line portion (12) from the evaporator, an inlet line portion (18) to the evaporator, a free-cooling battery (FC) connected between an inlet line (15) to the free-cooling battery and an output line (16) from the free-cooling battery, and a bypass line (14) for bypassing the free-cooling battery, said auxiliary unit (160) being characterized in that it comprises a section of outlet line (12) from the evaporator, a pump (P1) of the primary circuit thereon, a bypass line (140) between outlet from and inlet to the evaporator, a storage tank (A) on said bypass line, and in that it is made as a self-contained unit (160) with means (151, 152, 153, 154, 155) for applying to a system. 6. A refrigerating system for a user's appliance or terminal, comprising a refrigerating unit (150) according to claim 1, further comprising at least one inlet line (123; 123') to the user's appliance, an outlet line (124; 124') from the user's appliance, and a feed pump (P2) for feeding the user's appliance, said feed pump, operating with a variable flow rate on the inlet line of the user's appliance. 7. In a refrigerating system for cooling a user's terminal or battery said system operating with variable flow rate through the user's appliance and having a primary circuit with free-cooling battery, a process for allowing a variable flow rate through the primary circuit, characterized in that the variable outlet flow rate from the user's terminal is passed through the free-cooling battery and, before being sent to an evaporator (E) is integrated with a flow coming from a storage tank (A) so as to make the evaporator (E) operate at a constant flow rate. 8. A process according to claim 7, characterized in that the storage tank or accumulator (A) is fed by a line branching from the outlet line (12) of the evaporator.
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