Center position biased slide air valve

Details Center position biased slide air valve Center position biased slide air valve

1995-05-31

1996-11-12

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

251118, 251121, 251176, F16K 11065, F16K 4708

Patent

active

055730345

ABSTRACT:
The present invention provides an air valve (10) for inflating and deflating an inflatable. The air valve (10) includes a housing floor (16) with air ports (36, 38), and a slide bar (12) with an air passageway (54) formed therein. The slide bar (12) is supported on the floor (16) by seal rings (92) surrounding the ports (36, 38) and is biased into a center position by a spring (94) positioned in a spring well (28) in the slide bar (12) or the floor (16). Pins (50, 52) project into the spring well (28) and engage opposite ends of the spring (94). A stem extends from a tilt button (66) into a socket (48) on the slide bar (12). When the button (66) is tilted, it moves the slide bar (12), compressing the spring (94) and aligning the ports (36, 38) and the passageway (54) to allow air to pass through the valve (10). The slide bar (12) is prevented from tilting by a stabilizer frame (82) or housing shoulders (220). Pressure in the outlet port (38) may be controlled by a metered aperture in the inlet port (36) and bleeding off a portion of flow in the passageway (54).

REFERENCES:
patent: 3326601 (1967-06-01), Vanderbilt et al.
patent: 3330598 (1967-07-01), Whiteside
patent: 4524951 (1985-06-01), Green et al.
patent: 4597414 (1986-07-01), Johnson
patent: 4727905 (1988-03-01), Kitamura
patent: 4792186 (1988-12-01), Benjamin et al.
patent: 5447178 (1995-09-01), Gabrlik et al.
Assignee's Prior Design of a Slide Bar and Ports. (undated).

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