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:
Aug. 20, 1991
Filed:
Jul. 10, 1990
Applicant:
Inventors:
Kenneth Hair, Valencia, CA (US);
Kenneth Laux, Newhall, CA (US);
Assignee:
HR Textron Inc., Valencia, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
13762565 ; 25112912 ; 251284 ; 310 36 ;
Abstract
Disclosed is a direct drive servovalve which includes a drive motor mounted upon a housing for a reciprocally disposed spool valve wherein the rotor of the drive motor engages the spool valve. The rotational motion of the rotor is converted into linear motion in the spool-valve. The rotor of the drive motor carries a cam shaped flat washer which has surfaces engaging stop means defined by the valve housing.