Pressure transfer unit

Details Pressure transfer unit Pressure transfer unit

1973-10-17

1976-02-24

Aegerter, Richard E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 30, 92130C, 137494, 239 89, 239 96, F16l 5102, F16l 5504

Patent

active

039398722

ABSTRACT:
A pressure transfer unit having a movable partition including a flexible bellows for separating an internal, controlled-pressure chamber from a reference-pressure chamber. A valve is provided for limiting the volume of liquid that can be injected into and received in the controlled-pressure chamber during filling or refilling thereof. A spring biases the partition to apply a predetermined force to the partition and to shut off fluid transfer in the event of bellows failure. The unit is arranged for simple and rapid assembly and disassembly.

REFERENCES:
patent: 2659381 (1953-12-01), Seljos
patent: 2801067 (1957-07-01), Mercier
patent: 2825361 (1958-03-01), Seljos
patent: 3042068 (1962-07-01), Smith
patent: 3075499 (1963-01-01), Prather
patent: 3148702 (1964-09-01), Mercier
patent: 3227093 (1966-01-01), Taplin
patent: 3776267 (1973-12-01), Alley

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