Expansible chamber devices – With guide or seal on cylinder end portion for piston or... – Non-metallic seal means between piston or member and end...
Patent
1989-09-07
1991-01-29
Capossela, Ronald C.
Expansible chamber devices
With guide or seal on cylinder end portion for piston or...
Non-metallic seal means between piston or member and end...
92165R, 921711, 277152, 277188R, F16J 1518
Patent
active
049878263
ABSTRACT:
A cylinder-piston rod unit includes a sealing ring adjacent at least one end of the cylinder for forming a fluid-tight seal between the cylinder and the piston rod. The sealing ring includes a substantially axially extending sleeve portion and a substantially radially extending flange portion. A sealing-pressure application ring, which is subject to a circumferential tensioning force over at least the lower part of the operating temperature range of the sleeve portion, surrounds the sleeve portion and exerts a radial sealing force against the sleeve portion. The sealing ring is secured to the cylinder by the flange portion.
REFERENCES:
patent: 2329028 (1943-09-01), Austin
patent: 2631906 (1953-03-01), Brook
patent: 2798778 (1957-06-01), Flick
patent: 4201310 (1980-05-01), Glachet
patent: 4211152 (1980-07-01), Colletti et al.
patent: 4384511 (1983-05-01), Meffero
patent: 4508020 (1985-04-01), Szcypak
patent: 4576382 (1986-03-01), Scharting et al.
patent: 4736824 (1988-04-01), Dony et al.
Deppert Norbert
Umlauf Helmut
Capossela Ronald C.
Fichtel & Sachs AG
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