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:
Sep. 17, 2002
Filed:
Feb. 16, 2001
Applicant:
Inventor:
Grzegorz Bogdanowicz, Ostfildern, DE;
Assignee:
Festo AG & Co., Esslingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 1/3043 ;
U.S. Cl.
CPC ...
F15B 1/3043 ;
Abstract
A valve having a control means for the control of a fluid flow, such control means being able to be caused to move in two opposite switching directions. In order to render possible delay-free switching over after long periods of inactivity, a drive means is provided, which has spring means, which are tensioned when the control means is moved into a terminal switching position. The energy then stored is available for increasing the force during the next switching movement.