Windshield washer valve

Details Windshield washer valve Windshield washer valve

1998-09-24

2000-12-05

Weldon, Kevin

Fluid handling

Line condition change responsive valves

Direct response valves

2392841, 239570, F16L 1514

Patent

active

061552992

ABSTRACT:
A valve device, in particular a window and lens cleaning device in motor vehicles, includes a housing (1) with a duct (2) and at least one nozzle (3), and also a tubular connecting piece (4) for feeding a pressurized fluid, in particular a cleaning liquid, into the duct and to the nozzle. The connecting piece (4) is provided at its nozzle-side end with a nonreturn valve which blocks a return flow from the nozzle to the connecting piece, wherein the connecting piece (4) is open at its nozzle-side end. The nonreturn valve comprises of an elastic shaped part (8) with a mouth which is normally closed and can be opened by the pressure of the cleaning liquid.

REFERENCES:
patent: 2598601 (1952-05-01), Rappl
patent: 2616581 (1952-11-01), Madsen et al.
patent: 3199787 (1965-08-01), Oishei et al.
patent: 4426062 (1984-01-01), Bowron
patent: 5163619 (1992-11-01), Wada
patent: 5636794 (1997-06-01), Hess et al.

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