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:
Oct. 05, 1999
Filed:
Mar. 04, 1996
Applicant:
Inventor:
Lawrence F Yuda, Jr, West Union, SC (US);
Assignee:
Compact Air Products, Inc., Westminster, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
91 61 ; 92 31 ; 92136 ; 60407 ;
Abstract
Control apparatus and method for applying power to a linear actuator (A) utilizes an air cylinder (B) and a self-locking drive (C) rotated by an electric motor (D) for affording positioning and velocity control for the air operated cylinder and the guided linear actuator which stops and is positively positioned upon cessation of rotation of the drive by the electric motor.