Valve means with fluid retraction means

Details Valve means with fluid retraction means Valve means with fluid retraction means

1994-02-24

1995-06-27

Hepperle, Stephen M.

Fluid handling

Systems

Flow path with serial valves and/or closures

251324, 222571, F16K 324

Patent

active

054271444

ABSTRACT:
A combined trumpet valve and reed valve serve to control the flow of fluid into a conduit and is particularly adapted for lens cleaning apparatus for flowing water over the lens or lens cover in an endoscope with viewing mechanism and is capable of retracting the trapped fluid in the conduit to prevent it from dripping into the area being viewed and removing any residual fluid that is left on the lens when the valve is positioned to the closed position.

REFERENCES:
patent: 1565686 (1925-12-01), Titus
patent: 3160331 (1964-12-01), Trumbull et al.
patent: 3349973 (1967-10-01), Smith
patent: 5131425 (1992-07-01), Sturgis
patent: 5228646 (1993-07-01), Raines
patent: 5313934 (1994-05-01), Wiita et al.

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