Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1993-05-28
1994-11-29
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
1375121, F16K 1503
Patent
active
053680693
ABSTRACT:
A conduit joint assembly having a pair of tubular flange members for rigidly coupling a pair of conduits together and for supporting a fluid engaging device. One of the tubular flange members has a pair of headed retaining pins for engaging a pair of retaining slots or cutouts formed in the fluid engaging device. In particular, the fluid engaging device has a radially extending flange with the retaining slots or cutouts spaced 180.degree. apart along its periphery for engaging complementing pins of one of the tubular flange members. Specifically, the fluid engaging device is coupled to one of the tubular flange member by passing the pins through a notched portion of slot and then axially rotating the fluid engaging device relative to the tubular flange member to a locked position. A second tubular flange member is then aligned with the fluid engaging device and coupled together by the coupling assembly. Resilient spring seals are positioned between the flange of the fluid engaging device and the tubular flange members to seal the conduit joint assembly in a fluid-tight manner. The retaining pins and slots are positioned radially outwardly from the seals so as not to interfere with the sealing of the joint assembly.
REFERENCES:
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patent: 2454072 (1948-11-01), Long
patent: 3575432 (1971-04-01), Taylor
patent: 3797836 (1974-03-01), Halling
patent: 4279403 (1981-07-01), Hobson
patent: 4759555 (1988-07-01), Halling
patent: 4779901 (1988-10-01), Halling
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patent: 4919453 (1990-04-01), Halling et al.
patent: 5143117 (1992-09-01), Klein
patent: 5232014 (1993-08-01), Hiltebrand
Barber Colman Co., Air Valves Product Sheet, (undated).
EG&G Pressure Science, Inc.
Nilson Robert G.
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