IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0036537
(1987-04-09)
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발명자
/ 주소 |
- Howland Leland L. (Belle Plaine MN) Seshadri Jayaram (Minneapolis MN)
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출원인 / 주소 |
- Thermo King Corporation (Minneapolis MN 02)
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인용정보 |
피인용 횟수 :
9 인용 특허 :
2 |
초록
▼
A compartmentalized transport refrigeration system, and method of operating same, in which a host refrigeration unit controls the temperature of the air in a front compartment of a trailer, and a remote evaporator unit controls the temperature of the air in a rear compartment. In order to increase t
A compartmentalized transport refrigeration system, and method of operating same, in which a host refrigeration unit controls the temperature of the air in a front compartment of a trailer, and a remote evaporator unit controls the temperature of the air in a rear compartment. In order to increase the heating capacity of the remote evaporator, the host\s hot gas line is selectively controlled to enable all of the hot gas from the compressor to be directed to the remote evaporator when the host unit is in null. The host unit can only heat when the remote unit is in null. In order to increase the cooling capacity of the remote unit, the host\s liquid line in selectively controlled to enable the liquid from the receiver to be all directed to the remote evaporator unit when the host unit is in null.
대표청구항
▼
A compartmentalized transport refrigeration system, comprising: a trailer having a first compartment, a host refrigeration unit for controlling the air temperature of said first compartment via heating, cooling, and null modes, said host unit comprising a closed fluid circuit which includes a compre
A compartmentalized transport refrigeration system, comprising: a trailer having a first compartment, a host refrigeration unit for controlling the air temperature of said first compartment via heating, cooling, and null modes, said host unit comprising a closed fluid circuit which includes a compressor, condenser, receiver, expansion valve, evaporator, and liquid, hot gas and suction lines, first valve means connected in said closed fluid circuit to direct fluid flow from the high pressure side of said compressor to: (a) said condenser when said host unit is in a cooling mode, and (b) to said evaporator via a hot gas line which by-passes the expansion valve when said hot unit is in a heating mode, second valve means for selectively enabling and blocking fluid flow through said host hot gas line, third valve means for selectively enabling and blocking fluid flow through said host liquid line, a second compartment in said trailer, a remote unit for controlling the air temperature of said second compartment via heating, cooling, and null modes, said remote unit including an evaporator, and liquid, hot gas and suction lines connected to the liquid, hot gas, and suction lines of said host unit, respectively, fourth and fifth valve means for respectively and selectively enabling and blocking fluid flow between said remote liquid and hot gas lines and said host unit, and control means for selecting the heating mode of said first valve means, and the fluid blocking positions of said second and fourth valve means, when the fifth valve means connects the hot gas line of the host unit to the remote evaporator, to enhance the heating capability of the remote evaporator by directing the entire output of the compressor to the remote evaporator when the remote unit requires heat.
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