Refrigeration – With vehicle feature
Patent
1988-05-23
1989-03-14
Tapolcai, William E.
Refrigeration
With vehicle feature
623731, B60H 132
Patent
active
048115690
ABSTRACT:
A zero cube transport refrigeration unit suitable for a straight truck having a component arrangement which minimizes the height of the unit to provide maximum clearance for tilt cabs, and an air flow arrangement which discharges all noise generated by an internal combustion engine vertically upward from the top of the unit. Prime mover, evaporator, compressor and comdenser sections are laterally spaced from one side of the unit to the other, and a single power shaft runs through all of the sections. Evaporator and condenser air movers are directly mounted on the power shaft while the internal combustion engine, compressor, and optional electric standby motor, are all belted to the power shaft. The evaporator air mover is a centrifugal blower wheel, which provides excellent air distribution in the load space of a straight truck. All air is brought into the unit from one side thereof via the condenser section and discharged upwardly through openings in the top of the unit, with the cover and frame cooperatively defining an air flow passageway from the compressor section to the prime mover section, to isolate the prime mover section for minimal external noise.
REFERENCES:
patent: 2263476 (1941-11-01), Sunday
patent: 2869333 (1959-01-01), Horby et al.
patent: 3421340 (1969-01-01), Von Berg
patent: 4402191 (1983-09-01), King
patent: 4736597 (1988-04-01), Anderson et al.
patent: 4748824 (1988-06-01), Wakabayashi et al.
Waldschmidt William L.
Welch Dennis E.
Lackey D. R.
Tapolcai William E.
Thermo King Corporation
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