Expansible chamber devices – Liquid pool sealing relatively movable chamber walls
Patent
1990-10-19
1992-02-11
Look, Edward K.
Expansible chamber devices
Liquid pool sealing relatively movable chamber walls
92142, 92153, 92168, 92165R, 184 24, 184 25, 277 27, 277 59, 277 79, F15B 2104
Patent
active
050866915
ABSTRACT:
A high-performance, robust gas-compression device of long-term reliability is adapted in particular for storing nitrogen gas under compression, and includes a substantially cylindrical body (1), a piston (4) partially projecting into the gas-storage chamber (2), upper (7) and lower (6) piston guiding sleeves surrounding the piston, a lubrication chamber (9) formed in one of the guiding sleeves, adapted for holding a lubrication fluid for lubricating the guiding sleeves, and respective annular sealing joints (14, 19) which are accomodated in the guiding sleeves. One annular sealing joint is formed with an annular groove in communication with the principal gas-storage chamber, thereby exposing that sealing joint to a pressure prevailing in the principal gas-storage chamber; the other sealing joint is exposed to a constant pressure from the lubricating fluid. A subsidiary annular chamber (11) is a back-up of, concentric with in communication with the principal lubrication chamber (9), and is bounded by an upper portion of the lower guiding sleeve (6), and by an inner portion of the cylindrical body (1) so as to facilitate heat dissipation from the heated lubricating fluid disposed within the principal lubrication chamber (9).
REFERENCES:
patent: 3049370 (1962-08-01), Bertrand
patent: 3132568 (1964-05-01), Strader
patent: 3549154 (1970-12-01), Jones
patent: 3825270 (1974-07-01), Paramonoff et al.
patent: 3902404 (1975-09-01), Breit
patent: 4093240 (1978-06-01), Masuda et al.
patent: 4386782 (1983-06-01), Reverberi
patent: 4483141 (1984-11-01), Kobayashi et al.
Encyclopendia of Modern Plastics, p. 114, 1989.
Denion Thomas
Look Edward K.
Societe des Usines Quiri & Cie
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