Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1987-10-05
1988-11-15
Bryant, III, James E.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
138104, 73 40, 73304C, F16L 5502
Patent
active
047841826
ABSTRACT:
A bladder is disposed coaxially within a cylindrical container main body, a holder projecting into the bladder is provided on a top wall plate of the container main body, a sensor opposed to a bottom portion of the bladder and positioned within a moving locus region of the bottom portion or a deformable portion of the bladder is disposed at the bottom portion of the holder, and thereby, when the bladder deforms in response to variation of a liquid pressure the bottom portion of the bladder or the deformable portion of the bladder would actuate the sensor.
REFERENCES:
patent: 3654956 (1972-04-01), Tsubouchi
patent: 3741692 (1973-06-01), Rupp
patent: 3862646 (1975-01-01), Tarsha
patent: 3929163 (1975-12-01), Schon
patent: 4014213 (1977-03-01), Parquet
patent: 4088154 (1978-05-01), Patton et al.
patent: 4207563 (1980-06-01), Soupal
patent: 4487226 (1984-12-01), Chun
patent: 4714093 (1987-12-01), Kawano
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