Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1989-01-25
1990-01-30
Tapolcai, William E.
Refrigeration
Processes
Compressing, condensing and evaporating
62152, 62200, 62239, B60H 132
Patent
active
048965120
ABSTRACT:
A compartmentalized transport refrigeration system including a refrigeration system having a compressor and first and second selectable refrigeration circuits normally associated with cooling and heating modes, respectively, a trailer having at least first and second compartments, a host evaporator, a condenser in the first refrigeration circuit, and at least one remote evaporator, with the evaporators each being associated with a trailer compartment. The second refrigeration circuit is selected when a remote evaporator requires heating, and when another evaporator requires cooling while a remote evaporator requires heating, refrigerant is returned to the compressor via the first refrigeration circuit and the evaporator requiring cooling, entering the first refrigeration circuit at a point which by-passes the normal condenser function, to cause the evaporator requiring heating to function as a condenser for the evaporator requiring cooling.
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patent: 4685306 (1987-08-01), Howland et al.
patent: 4706468 (1987-11-01), Howland et al.
patent: 4711095 (1987-12-01), Howland et al.
patent: 4712383 (1987-12-01), Howland et al.
Lackey D. R.
Tapolcai William E.
Thermo King Corporation
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