Signals and indicators – Indicators – Liquid level
Patent
1993-05-18
1994-08-09
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Liquid level
73323, 134113, 222156, G01F 2300
Patent
active
053356225
ABSTRACT:
A universal indicator cap for a dishwasher rinse agent dispenser including a reservoir with an opening positioned in door of a dishwasher for indicating a low level of rinse agent in the reservoir, the door being pivotal between an opened horizontal position and a vertical closed position. The indicator cap comprises a body including a head portion having a cavity formed therein and a neck portion, a gasket adaptor positioned about the neck portion such that the indicator cap is adaptable to different models of the rinse agent dispenser, means for vertically mounting the body into the opening in the reservoir with the neck portion extending downwardly into a bottommost area of the reservoir, a first fluid passageway extending through the neck portion from an opened terminal end thereof to the cavity of the head portion, and a visual pump for pumping rinse agent through the first fluid passageway into the cavity to visually indicate the presence of the rinse agent in the cavity. The neck portion may be retractable such that the indicator cap is adaptable to different models of the rinse agent dispenser. The indicator cap functions by allowing air to flow upwardly through the first fluid passageway when the level of rinse agent in the reservoir is below the opened terminal end of the first fluid passageway causing drainage of rinse agent in the cavity to visually indicate a low level condition.
REFERENCES:
patent: 1477145 (1923-12-01), Marone
patent: 3103816 (1963-09-01), Kawecki
patent: 3972234 (1976-08-01), Osojnak
patent: 4141311 (1979-02-01), Taylor, Jr.
patent: 4164197 (1979-08-01), Nelson
patent: 5078077 (1992-01-01), Say
Cuchlinski Jr. William A.
Worth Willie Morris
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