Closed hydraulic system with drying means

Details Closed hydraulic system with drying means Closed hydraulic system with drying means

1983-11-14

1989-05-09

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Ram driven by fluid pumped from reservoir

60592, F15B 106

Patent

active

048277193

ABSTRACT:
A hydraulic system which includes an auxiliary reservoir having an elastic fluid impervious chamber and apparatus for sealing the elastic fluid impervious chamber with the interior thereof in fluid communication with the inside of an associated fluid reservoir. Apparatus is provided for preventing excessive positive or negative pressure from building in the reservoir. Some embodiments may include a desiccant to dry the air which is within the reservoir above the liquid hydraulic fluid. A moisture indicator may also be used to visually verify that a tight vapor barrier is maintained. The extended surface area of the auxiliary reservoir also acts as a means of rejecting excess heat generated by the operating hydraulic system.

REFERENCES:
patent: 2944405 (1960-07-01), Basore et al.
patent: 3048958 (1962-08-01), Barnes
patent: 3722537 (1973-03-01), Gregerson et al.
patent: 3872886 (1975-03-01), Shotmeyer

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