Fill control for an automatic dishwasher

Details Fill control for an automatic dishwasher Fill control for an automatic dishwasher

1976-12-17

1978-06-27

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 18, 134 25A, 134 57D, 134111, 134186, B08B 302

Patent

active

040973077

ABSTRACT:
The recirculating pump output is monitored as the pump is operated during each fill cycle, and the fill is terminated just when the desired pump output is reached. The output is less than the pump maximum and results from continuous aspiration of water and air into the pump inlet, thus using only the minimum liquid necessary, and automatically reducing liquid consumption during subsequent fills as the washing operation progresses. The pump inlet faces downwardly at the bottom of the dishwasher tank to control surging.

REFERENCES:
patent: 2681658 (1954-06-01), Meeker et al.
patent: 3134386 (1964-05-01), Jenkins
patent: 3702680 (1972-11-01), Wuehler
patent: 3885580 (1975-05-01), Cushing

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