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. 08, 1986
Filed:
Oct. 23, 1984
Applicant:
Inventor:
Jean-Francois Bouvot, Dampierre, FR;
Assignee:
VALEO, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; F15B / ;
U.S. Cl.
CPC ...
251 25 ; 13762521 ; 13762548 ; 91357 ; 91368 ;
Abstract
A fluid flow selector valve for controlling step-by-step displacement of an on/off actuator (12), e.g. for controlling a flap in an installation for heating or for air conditioning the cabin of a motor vehicle. The valve comprises two mutually movable elements (80, 84) defining at least two chambers (90, 92) therebetween suitable for connecting the actuator feed inlet (30) to a source of fluid pressure (72) or to an exhaust. The valve further comprising an intermediate chamber (94) suitable for connecting the feed inlet to the source of fluid pressure (72), to the exhaust, or to an air tight seal.