Expansible chamber devices – Displacement control of plural cylinders arranged in...
Patent
1997-12-09
1999-10-19
Nguyen, Hoang
Expansible chamber devices
Displacement control of plural cylinders arranged in...
92 58, 92 72, 417269, 417273, F01B 1306
Patent
active
059670185
ABSTRACT:
A hydraulic motor with propulsion members located between an eccentric cam associated with a shaft and a counter-element. The propulsion members consist of two elements slidable telescopically with respect to one another in the longitudinal direction and having annular bearing shoulders kept pressed against corresponding sliding-contact surfaces of the eccentric cam and the counter-element by springs. The resilient springs are located outside the propulsion members and are arranged between the annular edges and elements for mechanically retaining them.
REFERENCES:
patent: 3885459 (1975-05-01), Freese
patent: 4629401 (1986-12-01), Grote
patent: 5131818 (1992-07-01), Wittkop et al.
patent: 5383770 (1995-01-01), Hisahara
patent: 5632191 (1997-05-01), Lemaire et al.
Dubno Herbert
Nguyen Hoang
Riva Calzoni S.p.A
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