Breathable low pressure accumulator

Details Breathable low pressure accumulator Breathable low pressure accumulator

2011-07-05

2011-07-05

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

C138S030000, C138S026000, C303S087000, C220S721000

Reexamination Certificate

active

07971608

ABSTRACT:
A breathable low pressure accumulator includes a housing with a cylindrical bore formed therein. A piston slides within the bore and includes an elastic piston head. A biasing member urges the piston towards a first end of the bore. At least one passage communicates between an exterior of the housing and a volume that is enclosed by the bore and the elastic piston head. The elastic piston head is formed of rubber. The elastic piston head is molded into the piston.

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