Pressure accumulator with composite helical spring

Details Pressure accumulator with composite helical spring Pressure accumulator with composite helical spring

1984-05-25

1986-01-14

Bryant, III, James E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 26, F16L 5504

Patent

active

045640483

ABSTRACT:
A pressure accumulator including a plastic cylinder having first and second cylinder ends, a piston in the cylinder, a bore in the first cylinder end, a piston rod attached to the piston and extending through the bore, a cylinder cap at the second end, a fluid inlet at the second cylinder end for conducting fluid into the cylinder, an external portion on the piston rod located outside of the cylinder, and a composite helical spring encircling the cylinder and having a first end attached proximate the cap and a second end attached to the external portion of the piston rod.

REFERENCES:
patent: 710889 (1902-10-01), Prescott et al.
patent: 4174656 (1979-11-01), Duffey

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