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:
Apr. 20, 1982
Filed:
Mar. 26, 1980
Applicant:
Inventor:
Stephen R Foster, New Orleans, LA (US);
Assignee:
Baker CAC, Inc., Belle Chasse, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251 58 ; 92 132 ; 92 33 ; 92 / ; 251 60 ;
Abstract
An actuator for a rotary valve preferably embodying a diaphragm motor operated by pressure fluid. A driving sleeve is reciprocated linearly by the diaphragm motor and within said sleeve is a rotatable shaft, which is axially aligned with the diaphragm motor and driven by a ball screw. A driven sleeve is fixed to said shaft and receives the stem of the valve. All parts are in linear alignment. Means are provided for limiting the extent of the linear movement of the parts.