Bent axis type variable displacement hydraulic machine

Details Bent axis type variable displacement hydraulic machine Bent axis type variable displacement hydraulic machine

1992-10-30

1993-08-03

Bertsch, Richard A.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Cylinders parallel to rotation axis

91505, F01B 1304

Patent

active

052319121

ABSTRACT:
A bent-axis type variable displacement hydraulic machine provided with one of a hydrostatic radial bearing and a hydrostatic thrust bearing to support hydraulic reaction forces exerted on a cylinder block. The hydraulic machine is adapted to draw out a high oil pressure corresponding to a tilt angle of the cylinder block through a variable throttle means or through a control valve, and to supply the pressure of the hydrostatic radial or thrust bearing to thereby impart a hydrostatic supporting capacity commensurate with a tilt angle of the cylinder block and stably support a rotational shaft while minimizing oil leaks.

REFERENCES:
patent: 2967491 (1961-01-01), Wiggerman
patent: 3721161 (1973-03-01), Bobst
patent: 4464979 (1984-08-01), Forster
patent: 4466338 (1984-08-01), Stoelzer
patent: 4617853 (1986-10-01), Wagenseil
patent: 4737079 (1988-04-01), Kurosawa
patent: 4765228 (1988-08-01), Wagenseil
patent: 4788902 (1988-12-01), Akasaka et al.
patent: 5046927 (1991-10-01), Ohno
PCT/JP89/01007, Akasaka, Apr. 1990.

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