Break-away concentric hose coupling

Details Break-away concentric hose coupling Break-away concentric hose coupling

B - Operations, Transporting

67

D

B67D 7/42 (2010.01) F16L 55/10 (2006.01) B67D 5/37 (2006.01)

Patent

CA 2130601

Abstract of the Disclosure A break away hose coupling for use in conjunction with a vapor recovery nozzle and for application within a fuel line, that prevents untimely decoupling, that only decouples upon the exertion of a pre-determined amount of tension, while preventing unnecessary leakage of fuel and vapors, while being fully reconnectable. The coupling includes a pair of fittings, for connecting to the fuel line, a sleeve for housing the fittings, and each fitting incorporating a check valve to provide for closure of the fluid flow passage and closure of the vapor flow passage when decoupling occurs, a fluid chamber providing for flow of fluid and a vapor return passage, internal of the fluid flow passage, allowing vapor recovery in a concentric line. The device is pressure compensated to eliminate the effects of line shock.

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