Expansible chamber devices – Piston – Open-ended hollow skirt type
Patent
1982-02-01
1985-05-14
Garrett, Robert E.
Expansible chamber devices
Piston
Open-ended hollow skirt type
92240, 92246, 92158, 277216, 277148, 277139, 123193P, F16J 104, F16J 920, F16J 1532
Patent
active
045164819
ABSTRACT:
New assembly of cylinder, lightweight piston and piston rings for engines and compressors comprising in a cylinder a reduced weight piston provided with a new simpler piston rings set of a high efficiency producing a very small tension against the cylinder and lighter than the piston rings set known heretofore and wherein each of the purposes ascribed to the individual piston rings of the set is entirely attained by each piston ring of this assembly.
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patent: 2886479 (1959-05-01), Riedel
patent: 2903308 (1959-09-01), Barnhart
patent: 3522950 (1970-08-01), Schneck, Jr.
patent: 3720418 (1973-03-01), Berg
patent: 3759148 (1973-09-01), Geffroy
patent: 4093241 (1978-06-01), Montjanoff et al.
patent: 4185842 (1980-01-01), Magara
Geffroy Christophe
Geffroy Robert
Garrett Robert E.
Li H. Edward
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