Variable displacement bent axis type hydraulic machine

Details Variable displacement bent axis type hydraulic machine Variable displacement bent axis type hydraulic machine

1991-03-01

1992-02-04

Bertsch, Richard A.

Motors: expansible chamber type

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

Cylinders parallel to rotation axis

417222, F01B 1304

Patent

active

050851284

ABSTRACT:
Described herein is a variable displacement bent axis type hydraulic machine having a center shaft within a casing in a tilted state along with a valve plate and a cylinder block, and provided with a tilt angle sensor mechanism for detecting the tilt angle of the valve plate. For the purpose of improving the resolution in angle detection, the tilt angle sensor mechanism is constituted by a support shaft rotatably supported on a side wall of the casing at a position deviated toward the valve plate from the pivoting point of the center shaft, a rocking lever having one end thereof securely fixed to the support shaft and the other end pivotally supported at one side of the valve plate, and an angle sensor adapted to detect the rotational angle of the support shaft resulting from rocking movement of the rocking lever. This arrangement permits a wider rotational angle for the support shaft to guarantee higher resolution in the tilt angle detection.

REFERENCES:
patent: 4007662 (1977-02-01), Deininger
patent: 4466338 (1984-08-01), Stoelzer
patent: 4958581 (1984-07-01), Paley

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