Fluid pressure responsive accessory equipment

Details Fluid pressure responsive accessory equipment Fluid pressure responsive accessory equipment

1978-03-27

1980-06-24

Schmidt, Frederick R.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

116266, 116270, 137556, 138104, F16L 5504

Patent

active

042090415

ABSTRACT:
A hydraulic pressure responsive accessory, such as a cavitation eliminator, for a hydraulic system and a replacement bladder assembly for the accessory. The accessory comprises a cartridge having an inlet for connection to a hydraulic system, and contains a gas filled flexible bladder which compresses and expands in response to pressure fluctuations in the system. This bladder is removably secured within the cartridge in a unique way which permits easy removal of a bladder in the field when worn and replacement of the bladder by that of the present replacement bladder assembly. Shield means are provided between the bladder and a grid overlying casing inlet openings to protect the bladder from impact damage, and means connected with the shield provide indication of excess bladder pressure or automatic release of excess pressure.

REFERENCES:
patent: 2630834 (1953-03-01), Weber et al.
patent: 3744527 (1973-07-01), Mercier
patent: 3893485 (1975-07-01), Loukonen

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