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US 2014/0109676 A1Published application
Rotary ultrasonic testing apparatus with hydraulic lifting units
AssigneeGeneral Electric Company
InventorsXun Yu, Hua Zhou, Kai Fan
Life of this patent
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Abstract
The present application provides a rotary testing apparatus for use with a work piece. The rotary testing apparatus may include a rotor, a probe, and a lifting unit for maneuvering the probe about the work piece. The lifting unit may include a hydraulic lifting mechanism and a counterweight mechanism.
Claims20
A rotary testing apparatus for use with a work piece, comprising:
- a rotor;
- a probe;
- and
- a lifting unit for maneuvering the probe about the work piece;
- the lifting unit comprising a hydraulic lifting mechanism and a counterweight mechanism.
2 more elements
A lifting unit for a probe used in a rotary ultrasonic testing apparatus, comprising:
- a lifting unit base;
- a counterweight mechanism;
- a hydraulic lifting mechanism;
- and
- a gear wheel positioned between the counterweight mechanism and the hydraulic lifting mechanism.
2 more elements
A method of maneuvering a probe of a rotary testing apparatus about a work piece, comprising:
- moving a piston of a hydraulic cylinder in a first direction;
- moving a cam plate in the first direction by the piston of the hydraulic cylinder;
- moving a cam follower in a second direction by the cam plate;
- raising the probe off of the work piece by the cam follower;
- and
- lowering a counterweight by the cam follower.
3 more elements
Dependencies are inferred from the claim text.