Measuring and testing – Liquid level or depth gauge – Float
Patent
1976-04-30
1978-08-22
Queisser, Richard C.
Measuring and testing
Liquid level or depth gauge
Float
338 33, G01F 2310
Patent
active
041079981
ABSTRACT:
A sender device for use in a system indicating liquid level including a pivotal contact member having sliding and overlapping contact with an evenly wound, straight resistance member providing an output that varies as a non-linear function of movement of the contact member.
REFERENCES:
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patent: 2624821 (1953-01-01), McCandless
patent: 2716685 (1955-08-01), Hastings
patent: 2923156 (1960-02-01), Young
patent: 3432790 (1969-03-01), Svilpe et al.
patent: 3482200 (1969-12-01), Hamilton
patent: 3798970 (1974-03-01), Schlanzky et al.
patent: 3842673 (1974-10-01), Riddel
patent: 3925747 (1975-12-01), Woodward et al.
Douvas Augustus G.
Queisser Richard C.
Roskos Joseph W.
Stewart-Warner Corporation
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