Title:
MACHINE HAVING A CYLINDER AND A PISTON, AND RING SEAL THEREFOR
Document Type and Number:
WIPO Patent Application WO/1995/027132
Kind Code:
A1
Abstract:
A machine (1) comprising a body (2) with at least one cylinder (3) and at least one piston (4) in the cylinder bore, comprising at least one annular groove (4a) for receiving a ring seal (51, 52). The piston (4) includes two portions (6, 7) releasably mounted (8) one on top of the other and defining therebetween a gasket plane (10) which is perpendicular to the axis (11) of the piston (4) and the cylinder (3), with only one annular groove (4a) passing through the gasket plane (10), and a multiple seal (12) including at least two circumferentially continuous stacked ring seals (51, 52) each defined by two circular rims (51a, 51b, 52a, 52b) is freely horizontally fitted in the groove (4a) between said two portions (6, 7) of the piston. The two seals (51, 52) are at an angle to one another.
Inventors:
CHATELAIN MICHEL (FR)
Application Number:
PCT/FR1995/000379
Publication Date:
October 12, 1995
Filing Date:
March 27, 1995
Export Citation:
Assignee:
CHATELAIN MICHEL (FR)
International Classes:
F02F3/00; F16J9/00; (IPC1-7): F02F3/00; F16J9/00
Foreign References:
| DE3520668A1 | 1986-06-26 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 8, no. 76 (M - 288) 9 April 1984 (1984-04-09)
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