1978-07-03
1980-02-26
Yuen, Henry C.
98 215, B60H 124
Patent
active
041899873
ABSTRACT:
This improvement of a vehicle cab temperature control system for a cab having an operator enclosure with a roof and an outwardly exposed air filter attached to the roof includes a blower and a temperature control unit mounted within a duct which is secured to both the roof and to the air filter. The duct is spaced apart from the roof, thereby forming a chamber which receives controlled air from the temperature control unit. The flow of controlled air is produced by the blower as it moves the air through the air filter into the duct through its inlet aperture and then through the temperature control unit within the duct. The controlled air then exits the duct through either the duct's bleed aperture into the chamber or through the duct's outlet aperture into the operator enclosure.
REFERENCES:
patent: 2153147 (1939-04-01), Lintern
patent: 2158332 (1939-05-01), Lintern
patent: 2720149 (1955-10-01), Groene
patent: 3555846 (1971-01-01), Harbeck et al.
patent: 3626713 (1971-12-01), Venable
patent: 3868896 (1975-03-01), Doll et al.
patent: 4120527 (1978-10-01), Lawerence
patent: 4140047 (1979-02-01), Bowman et al.
Amberg Arthur A.
Zetterlund Ture R.
AuBuchon F. David
International Harvester Company
Kamp Ronald C.
Wendell William H.
Yuen Henry C.
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