Pipe joints or couplings – End to side or plate – Countersunk packed
Patent
1994-03-01
1997-09-16
Melius, Terry Lee
Pipe joints or couplings
End to side or plate
Countersunk packed
285354, 285921, F16L 508
Patent
active
056672578
ABSTRACT:
Past connector assemblies have failed to provide adequate amounts of the air/cooling liquid mixture from the heat exchanger to the surge tank for proper air venting. The present invention overcomes this and other problems by providing a connector assembly 48 which is easily installed within a tank portion 14 of the heat exchanger 12. The connector assembly 48 includes a tubular member 50 which has a cylindrical portion 54 and a bifurcated end portion 56. The bifurcated end portion 56 has a rectangular outer shape 66 which is designed so that it can be squeezed into a rectangular shaped opening 44 in the tank portion 14. A nut 92 which has an inner threaded portion 104 is threaded onto an outer threaded portion 64 of the cylindrical portion 54 until a pair of tabs 76,78 on the bifurcated end portion 56 are securely seated against an inner surface 16 of the tank portion 14. A washer 110 is seated against an annular beaded seat 36 to form a first seal. An o-ring 112 is seated within an inner annular groove 108 of the nut 92 to form a second seal. The tubular member 50 has an internal bore 52 which has a diameter greater than 0.256 inches/7 mm for communicating the proper amount of air/cooling liquid mixture to the surge tank (not shown) so that adequate air venting occurs.
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Butler Brian H.
Fehr Leslie E.
McCasky William J.
Cain Larry G.
Caterpillar Inc.
Charlton Diana L.
Keen Joseph W.
Melius Terry Lee
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