Accumulator consisting of welded vessel and lid

Details Accumulator consisting of welded vessel and lid Accumulator consisting of welded vessel and lid

1977-02-11

1978-04-18

Aegerter, Richard E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

239 89, F16L 5504

Patent

active

040846210

ABSTRACT:
The pressure vessel of a hydraulic accumulator comprises bowl-shaped body and lid members welded together edge to edge, lid member uppermost. A bowl-shaped diaphragm in the vessel having its concave surface facing up is supported by a rigid ring having a large diameter radially outer portion seated on an upwardly facing circumferential shoulder on the body member, near its rim. A smaller diameter radially inner portion of the ring is clinched over a bead around the edge of the diaphragm. The ring also has a frustoconical, upwardly tapering radially intermediate portion connecting its radially inner and outer portions, to hold the rim of the diaphragm at a high level in the vessel.

REFERENCES:
patent: 2345124 (1944-03-01), Huber
patent: 2394401 (1946-02-01), Overbeke
patent: 3088492 (1963-05-01), Mercier
patent: 3948287 (1976-04-01), Sugimura et al.

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