Liquid distribution system for dishwasher

Details Liquid distribution system for dishwasher Liquid distribution system for dishwasher

1974-08-05

1976-04-20

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

With means to movably mount or movably support the work or...

134148, 134176, 239251, 277 346, B08B 302

Patent

active

039516849

ABSTRACT:
A fluid delivery system for a dishwashing appliance of the type having movable upper and lower racks and upper and lower spray arms has a telescoping tower in fluid communication with a manifold during operation. A face seal between the upper spray arm and the telescoping portion of the tower is effected upon buildup of fluid pressure in the tower sufficient to bring the telescoping portion into engagement with the upper spray arm and thereby deliver wash liquid to the upper spray arm. A generally axially-extending seal actuated by the fluid pressure in the tower seals the telescoping portion to the fixed portion of the tower during delivery of wash liquid through the fluid conduit system. When the pumping of the wash liquid is terminated, the telescoping portion of the tower automatically retracts.

REFERENCES:
patent: 1893979 (1933-01-01), Barrere
patent: 3064664 (1962-11-01), Warhus
patent: 3444870 (1969-05-01), Lyman
patent: 3722895 (1973-03-01), Mevissen
patent: 3785566 (1974-01-01), Jenkins

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