Brakes – Elements – Cooling and lubricating
Patent
1974-11-15
1976-04-13
Halvosa, George E. A.
Brakes
Elements
Cooling and lubricating
188 716, 188264E, 192113B, F16D 65853
Patent
active
039498441
ABSTRACT:
A heavy vehicle, such as a tractor scraper, has oil cooled front disc brakes, and oil cooled rear disc brakes that may be used alone or in conjunction with the front brakes. A rear brake cooling circuit and a front brake cooling circuit, each of which has its own pump and heat exchanger, are cross-connected through a common reservoir, and both pumps and heat exchangers function whenever the rear brakes are applied. The rear circuit heat exchanger is an oil cooler with a fan, the motor for which is driven from the pump output and discharges to the cooler; and the motor may drive a bypass pump which draws some oil from the return line and passes it through the cooler.
REFERENCES:
patent: 2195130 (1940-03-01), Hoyt
patent: 2828840 (1958-04-01), Kelley et al.
patent: 2873826 (1959-02-01), Werner
patent: 2924308 (1960-02-01), Kelley
patent: 2968372 (1961-01-01), Kern
patent: 3259216 (1966-07-01), Klaus et al.
Larson Donald J.
Schexnayder Lawrence F.
Caterpillar Tractor Co.
Halvosa George E. A.
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