Internally pressurized bellows pump

Details Internally pressurized bellows pump Internally pressurized bellows pump

1989-07-25

1991-01-01

Chambers, A. Michael

Pumps

With signal, indicator, or inspection means

417397, 340605, F04B 4306, S18E 5410

Patent

active

049814184

ABSTRACT:
A bellows-type pump has a plastic bellows interiorly supported by interior pressure. The interior pressure is supplied by a fluid source which passes through a pressure regulator to control the amount of interior pressure exerted on the bellows. A fiber-optic leak detector can be inserted into the plastic bellows to detect the leakage of process fluid therein.

REFERENCES:
patent: 2578265 (1951-12-01), Saalfrank
patent: 2970546 (1961-02-01), White
patent: 3782863 (1974-01-01), Rupp
patent: 3807906 (1974-04-01), Breit
patent: 4159420 (1979-06-01), Tsunoda
patent: 4272959 (1981-06-01), Yamane
patent: 4444545 (1984-04-01), Sanders et al.
patent: 4781535 (1988-11-01), Frawley et al.
patent: 4847599 (1989-07-01), Imiolex et al.
patent: 4854832 (1989-08-01), Gardner et al.
patent: 4858478 (1989-08-01), Kush et al.

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