The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 1999
Filed:
Mar. 18, 1998
James B Walsh, Newport, RI (US);
Michael W Williams, Middletown, RI (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile