Windscreen washer pump for vehicle

Details Windscreen washer pump for vehicle Windscreen washer pump for vehicle

1990-07-26

1992-01-14

Look, Edward K.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Turbine regenerative pump

415 551, 416223B, F01D 112

Patent

active

050805541

ABSTRACT:
Disclosed herein is a windscreen washer pump, which is suitable for use with a vehicle, of a type wherein washer fluid is forcibly pressurized by means of an impeller, to be supplied to a vehicle windscreen or the like. A plurality of supplemental vanes are provided between the impeller and an inlet for entry of the washer fluid. The plurality of supplemental vanes serve to introduce the washer fluid from the inlet into the impeller and forcibly pressurize the fluid from the impeller even in a case where air is mixed.

REFERENCES:
patent: 1652659 (1927-12-01), Brady, Jr.
patent: 2982986 (1961-05-01), Tupper
patent: 4408952 (1983-10-01), Schweinfurter
patent: 4678395 (1987-07-01), Schweinfurter
patent: 5020969 (1991-06-01), Mase et al.

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