Spray arm pulsation device of a dish washer

Details Spray arm pulsation device of a dish washer Spray arm pulsation device of a dish washer

1993-12-02

1997-02-04

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

Distributor with diversely shaped or oriented terminal...

239251, 239255, B05B 306

Patent

active

055989764

ABSTRACT:
A spray arm of a dish washer having improved washing efficiency by providing the spray arm to pulsate through utilizing the feeding and draining action of washing water, comprises first and second rotation nozzles oppositely formed in each end of the spray arm; a ball moved by washing water fed into the spray arm and the weight of the ball itself, the ball for closing either one of the first and the second nozzles, and a guide member for guiding the ball to move only in one direction.

REFERENCES:
patent: 3078045 (1963-02-01), Meuche
patent: 3447752 (1969-06-01), Hardy
patent: 3596834 (1971-08-01), Cushing
patent: 3598316 (1971-08-01), Johnson
patent: 3771725 (1973-11-01), Jenkins et al.
patent: 4884585 (1989-12-01), Oh

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