Fluid couplings

Details Fluid couplings Fluid couplings

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 37/084 (2006.01) F16L 37/088 (2006.01)

Patent

CA 2181529

Known fluid couplings have a male part that can be mated with a female part. The female part has an O-ring seal that seals with the outside of the male part. In the present invention a helical retaining ring is located in a groove in the female part and engages behind a shoulder projecting from the male part. The groove has an inclined wall so that a withdrawing force applied to the male part causes the retaining ring to be forced into closer contact with the male part. A release ring extends around the female part at its forward end and is urged forwardly by a resilient wave washer. The release ring engages the retaining ring when it is pushed rearwardly so that the retaining ring is held away from the inclined wall enabling it to be expanded by the shoulder when the male part is withdrawn.

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