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:
Jan. 06, 2015
Filed:
Jul. 14, 2010
John Lauffer, Santa Clarita, CA (US);
John Lauffer, Santa Clarita, CA (US);
Woodward HRT, Inc., Santa Clara, CA (US);
Abstract
A direct drive servovalve () includes redundant drive motors () coupled to a common valve drive shaft () by a connection device (). The connection device () is configured to allow operation of the servovalve () in the case where one or more of the drive motors () becomes inoperable, such as caused by jamming or binding of a rotor associated with the drive motor. By use of the connection device (), in the event that one of the drive motors () was to become jammed, the remaining operable motors () can continue to stroke or cause translation of a valve member () of the direct drive servovalve () to allow its continued operation.