Heat exchanger-filter apparatus for hydrostatic system

Details Heat exchanger-filter apparatus for hydrostatic system Heat exchanger-filter apparatus for hydrostatic system

1987-01-30

1989-03-21

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

Rotary drum

165 47, 165119, 165916, 165917, 138 30, 220 85B, 1841041, G05D 2300, F16L 5504, F28F 1312, F28F 1900

Patent

active

048134775

ABSTRACT:
Apparatus including an expandable bellows having a pair of end plates, one plate being provided with a fluid inlet and the other plate being provided with a fluid outlet. A diffuser and filter is located within the bellows across the fluid path between the inlet and outlet. Thus, fluid at an elevated temperature entering the bellows must flow first through the diffuser, then through the filter before leaving the space within the bellows. In this way, the fluid is filtered before passing to and through the outlet. The expansion capability of the bellows provides a heat exchange relation between the fluid and the bellows itself. A pressure relief cap can be coupled to an outlet port communicating with the interior of the bellows. The inlet is adapted to be coupled to the waste line of a fluid pump of a hydrostatic system and the outlet is adapted to be coupled to the supply line of the fluid pump.

REFERENCES:
patent: 2476405 (1949-07-01), Dilworth
patent: 3693825 (1972-09-01), Richman
patent: 3762467 (1973-10-01), Poon et al.
patent: 3935882 (1976-02-01), Matthews
patent: 4064911 (1977-12-01), Albrecht
patent: 4074752 (1978-02-01), Schlosberg
patent: 4452275 (1984-06-01), Sugimura
patent: 4662435 (1987-05-01), Bohlin
patent: 4669533 (1987-06-01), Hehl

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