Drain plug for a hydraulic circuit

Details Drain plug for a hydraulic circuit Drain plug for a hydraulic circuit

1992-01-27

1993-07-13

Nilson, Robert G.

Fluid handling

Systems

Sequentially progressive opening or closing of plural valves

B60T 1130

Patent

active

052264521

ABSTRACT:
The invention relates to a drain plug for a hydraulic circuit, comprising, in a body (22), a shut-off element (40) permitting or preventing the communication between two subcircuits (I, II). According to the invention, it comprises at least one second shut-off element (56) permitting or preventing the communication between at least one of the two subcircuits (I, II) with at least a third subcircuit (III).

REFERENCES:
patent: 1850457 (1932-03-01), Hughes
patent: 3227182 (1966-01-01), Garman
patent: 3442080 (1969-05-01), Rockwell
patent: 4674541 (1987-06-01), Fulmer

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