Test apparatus for rotary drive

Details Test apparatus for rotary drive Test apparatus for rotary drive

1998-03-18

1999-06-01

Raevis, Robert

Measuring and testing

Vehicle chassis

Steering

G01L 316

Patent

active

059089822

ABSTRACT:
A test apparatus for testing the performance of a rotary drive includes a aft which extends along a longitudinal axis, at least one support for supporting the shaft in an elevated position, and a flywheel of predetermined weight rotatably attached to the shaft so that upon rotation of the shaft the flywheel rotates as well. A rotary drive powers the rotation of the shaft and flywheel, the rotary drive having a hydraulic motor which is in fluid communication with a reservoir containing hydraulic fluid by way of a servo valve. A microprocessor controls the rotation of the shaft by the rotary drive. The test apparatus further includes a rotary encoder, a torque sensor, and pressure sensors for monitoring the angular displacement of the system, the torque on the shaft, and various system pressures respectively.

REFERENCES:
patent: 4368638 (1983-01-01), Groves et al.
patent: 4593555 (1986-06-01), Krutz et al.
patent: 4758967 (1988-07-01), Shmuter et al.
patent: 5103671 (1992-04-01), Dyvig
patent: 5445013 (1995-08-01), Clayton, Jr. et al.

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