Swashplate leveling device

Details Swashplate leveling device Swashplate leveling device

1991-04-29

1993-05-04

Look, Edward K.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

91505, F01B 300

Patent

active

052071448

ABSTRACT:
A swashplate leveling device has a reciprocative leveling follower movable along a fixed axial pin. The cam is biased into engagement with a swashplate of an axial piston variable displacement hydraulic unit to position the swashplate in a zero displacement orientation when there is no control input to the hydraulic unit. The leveling device has a pair of contact points, one positioned on each side of the swashplate tilt axis in a manner that both contact points engage the swashplate when it is leveled to its zero displacement orientation.

REFERENCES:
patent: 4283962 (1981-08-01), Forster
patent: 4584926 (1986-04-01), Beck et al.
patent: 4845949 (1989-07-01), Shivvers
Noy, P.C. "Ways to Prevent Overloading" in: Mechanisms, Linkages, and Mechanical Controls (McGraw Hill, 1965), p. 266.

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