Piston-type accumulator

Details Piston-type accumulator Piston-type accumulator

2005-08-02

2005-08-02

Hook, James (Department: 3754)

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

Reexamination Certificate

active

06923215

ABSTRACT:
A piston-type accumulator includes a separating piston (13) displaced axially within a piston housing (1). The piston separates a fluid side (15) of the accumulator from its gas side (23), and has comprises two sealing areas (17, 25) offset relative to each other in the axial direction. The sealing areas are arranged on the circumference of the piston and are displaced along the inner wall surface of the accumulator housing. The accumulator housing (1) is provided with a ventilation device (31) between the sealing areas (17, 25) for discharging leakage passing through the sealing areas (17, 25).

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