Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1991-09-16
1992-06-02
Ford, John K.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 40, 165 41, 165 51, 165101, 123 4108, 123 4112, 123 4149, 123 4151, 192 82T, F01P 702
Patent
active
051178982
ABSTRACT:
A cooling system is disclosed in which a radiator (21) includes a coolant outflow tank (29) having separate compartments (39,41L,41R) in series with core portions (35,37L,37R) of the radiator. A temperature-responsive fan clutch (13) is adjacent the center core portion (35) and flow through that core portion is controlled by a thermostatic valve (49) which is operated between open (FIG. 3) and closed (FIG. 4) positions in response to the temperature of coolant flowing through one of the other (37L) core portions. With the thermostatic valve closed, and no flow through the center core portion, the temperature of air passing therethrough does not rise as it normally would with the vehicle stopped. Therefor, the fan clutch remains in the disengaged condition at a time when operation in the engaged condition would be both unnecessary and somewhat objectionable to the vehicle operator.
REFERENCES:
patent: 2351203 (1944-06-01), Hanson
patent: 2500472 (1950-03-01), Sohler
patent: 4156408 (1979-05-01), Protze
patent: 4176630 (1979-12-01), Elmer
patent: 4365592 (1982-12-01), Bopp
patent: 4449486 (1984-05-01), Kin
patent: 4516630 (1985-05-01), Yamaguchi
patent: 4727969 (1988-03-01), Hayashi et al.
patent: 4938331 (1990-07-01), Ohmi et al.
patent: 5030865 (1991-07-01), Rockey et al.
Gee Thomas A.
Light Gerard M.
Eaton Corporation
Ford John K.
Kasper L. J.
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