Hydrostatic hydraulic coupling

Details Hydrostatic hydraulic coupling Hydrostatic hydraulic coupling

1985-02-04

1986-12-23

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Destructible element

137883, 137 71, 285 4, 285 99, F16K 1714

Patent

active

046306307

ABSTRACT:
A fluid-tight connection between a pair of pipes containing hydraulic fluid is formed by a pair of connectors of the invention. Each connector has a body part engaged respectively with the pipes, the body parts being coupled together by a coupling sleeve which engages a shoulder 20 of one of the body parts and is locked to the body parts by a circlip 23 engaged within grooves 22 and 25 respectively in the other body part and the sleeve. Each body part has a respective seal member each incorporating a diaphragm sealing over an end of its associated body part and a bead engaging the internal wall of the sleeve. Air trapped between the diaphragms is expelled past the seal members during insertion of the connector parts into the sleeve. Application of system pressure subsequently ruptures the diaphragms to establish communication between the pipes and urges the seals outwardly to seal against leakage of system fluid.

REFERENCES:
patent: 2160137 (1939-05-01), Froussard
patent: 2667184 (1954-01-01), Hailer
patent: 3044479 (1962-07-01), Meyer
patent: 3986508 (1976-10-01), Barrington
patent: 4235347 (1980-11-01), Cothier
patent: 4265280 (1981-05-01), Ammann

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