Swash plate tilting angle detector for a swash plate plunger...

Expansible chamber devices – With inspection window in expansible chamber wall portion – With lock

Reexamination Certificate

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Details

C092S012200

Reexamination Certificate

active

10801932

ABSTRACT:
A swash plate plunger type hydraulic motor is constituted such that plungers are slidably disposed in respective plunger holes of a motor cylinder, and a motor rolling member having a motor swash plate member is supported in a motor casing in such a manner that it can tilt and roll. A swash plate tilting angle detector for detecting the angle of a swash plate includes an angle detector mounted to a transmission housing and a rotation connection mechanism for connecting the motor rolling member to the angle detector. The rotation connection mechanism includes a first connection rod which is connected to the motor rolling member coaxially to its tilting and rolling axis, a second connection rod connected to the angle detector, and a movable or universal joint for connecting the first connection rod to the second connection rod. The described motor provides a swash plate tilting angle detector which has a high degree of freedom of installation position and permits the displacement of the center position thereof without affecting detection accuracy.

REFERENCES:
patent: 3469416 (1969-09-01), Snyder
patent: 4536130 (1985-08-01), Orlando et al.
patent: 4916901 (1990-04-01), Hayashi et al.
patent: 63140163 (1988-06-01), None
patent: 06002753 (1994-01-01), None
patent: 2001343060 (2001-12-01), None
Machine Design Massachusetts, Addison-Wesley Publishing Company, 1976 pp. 167-168.

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