Manifold having integrated pressure relief valve

Details Manifold having integrated pressure relief valve Manifold having integrated pressure relief valve

2006-01-31

2006-01-31

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Systems

With flow control means for branched passages

C137S454200, C222S318000, C251S063600

Reexamination Certificate

active

06991000

ABSTRACT:
Apparatus for dispensing a liquid includes a manifold having a high pressure passageway adapted to be coupled to a source of the liquid and to deliver the liquid at an elevated pressure to a dispenser. The manifold further includes a low pressure passageway for exhausting pressurized liquid from the high pressure passageway. A pressure relief valve is coupled between the high pressure passageway and the low pressure passageway. The pressure relief valve has a valve member mounted for movement relative to a valve seat. One side of the valve seat defines a high pressure side in communication with the high pressure passageway and another side of the valve seat defines a low pressure side in communication with the low pressure passageway. A dynamic seal engages the valve member on the low pressure side and prevents leakage of the liquid from the low pressure side.

REFERENCES:
patent: 1314746 (1919-09-01), Hayes
patent: 2174797 (1939-10-01), Magnuson
patent: 2262031 (1941-11-01), Meyer
patent: 3633619 (1972-01-01), Eckerlin
patent: 3636969 (1972-01-01), Jacobellis
patent: 5715864 (1998-02-01), Andel et al.
patent: 6089413 (2000-07-01), Riney et al.
patent: 6155806 (2000-12-01), Andel
patent: 6433315 (2002-08-01), Reifenberger et al.

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