Lever actuated fluid coupling

Details Lever actuated fluid coupling Lever actuated fluid coupling

1979-01-19

1980-09-16

Cohan, Alan

Fluid handling

Systems

Flow path with serial valves and/or closures

13761406, 2511499, F16L 3728, F16L 2900

Patent

active

042224110

ABSTRACT:
A manually actuated coupler hydraulically connects large diameter high pressure conduits while the conduits are pressurized. One of the conduits is provided with a body 11, a sleeve 12, and a lever 13 for effecting relative movement between the body and the sleeve. The other conduit is provided with a nipple 14. When the nipple and body are initially connected, they cooperatively define a chamber 43 which is hydraulically isolated from both conduits. The lever is then rotated to advance the sleeve toward the nipple and to open poppet valves 33, 34 in the sleeve and nipple to hydraulically connect the conduits through the chamber 43. The sleeve includes a pressure balancing area 48 which is in open fluid pressure communication with the chamber 43 under conditions, so that high fluid pressure from either conduit will pressure balance the sleeve.

REFERENCES:
patent: 3348575 (1967-10-01), Simak
patent: 3498324 (1970-03-01), Breuning
patent: 3570543 (1971-03-01), Ekman
patent: 3680591 (1972-08-01), Vik
patent: 3710823 (1973-01-01), Vik
patent: 3730221 (1973-05-01), Vik
patent: 4009729 (1977-03-01), Vik
patent: 4074698 (1978-02-01), Hobson et al.
patent: 4124228 (1978-10-01), Morrison

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