Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1998-10-01
1999-10-19
Lee, Kevin
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
13761405, F16L 2900
Patent
active
059674911
ABSTRACT:
A push-to-connect coupler has a cylindrical coupler body with first and second radial flow passages separated by an internal partition, an inner valve assembly, and an outer sleeve assembly. The inner valve assembly includes a valve sleeve which cooperates with a cylindrical extension extending axially downstream from the partition to prevent leakage from the coupler body. When the nipple is inserted into the coupler socket, the nipple moves the valve sleeve axially upstream away from the distal end of the extension to allow fluid to flow between the extension and the valve sleeve to the nipple. The outer sleeve assembly includes a locking sleeve and a cylindrical slide valve surrounding the coupler body. The locking sleeve is spring-biased to urge locking balls into a groove on the nipple and retain the nipple in the coupler socket. The slide valve is slidable to selectively allow fluid to bypass a partition in the coupler body and flow to the nipple. The locking sleeve automatically engages the slide valve at disconnect to prevent accidental disconnect without shutting off flow through the coupler.
REFERENCES:
patent: 3106378 (1963-10-01), Hellstern
patent: 3106379 (1963-10-01), Sciuto et al.
patent: 3127149 (1964-03-01), Cruse
patent: 3236251 (1966-02-01), Hansen
patent: 3378225 (1968-04-01), Snyder, Jr.
patent: 3567175 (1971-03-01), Sciuto, Jr.
patent: 4086939 (1978-05-01), Wilcox et al.
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patent: 5445358 (1995-08-01), Anderson
patent: 5730185 (1998-03-01), Wilkins et al.
Aeroquip Aerospace Engineering Bulletin AEB/40 copyrighted 1970.
Snap-tite 31 Series Push-To-Connect Couplings.
Brady Kenneth T.
Magnuson Ruel D.
Hunter Christopher H.
Lee Kevin
Parker-Hannifin Corporation
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