Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1973-02-20
1976-06-15
Lowrance, George E.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
220 85B, F16L 5504
Patent
active
039630528
ABSTRACT:
This invention relates to a pressure vessel and more particularly to a pressure accumulator having a substantially cylindrical body portion with a port at one end and a mouth at the other with a cover member adapted to close such mouth and also having a port. An annular supporting member of rigid sheet metal is positioned in the pressure vessel and has a deformable bladder having a rim bonded to the supporting member and defining two variable volume chambers therein in communication respectively with such ports. The supporting member has a first positioning means including abutment means formed integral therewith cooperating with the mouth of said cylindrical body portion to center the supporting member and bladder in the pressure vessel and has a second positioning means including abutment means also formed integral therewith and cooperating with said cover member to position the latter in axial alignment with said body portion, and weld means are provided to retain said body portion, said cover member and said supporting member in fixed position.
REFERENCES:
patent: 2878834 (1959-03-01), Mercier
patent: 3088492 (1963-05-01), Mercier
patent: 3109458 (1963-11-01), Mercier
patent: 3195576 (1965-07-01), Mercier
patent: 3500866 (1970-03-01), Greer
patent: 3654964 (1972-04-01), Mercier et al.
patent: 3690347 (1972-09-01), Zahid
Colvin Arthur B.
Lowrance George E.
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