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. 09, 1980
Filed:
Feb. 01, 1979
Applicant:
Inventor:
Otto Meyer, Neuss, DE;
Assignee:
Pierburg GmbH & Co., KG, Neuss, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123568 ; 1375147 ; 188317 ; 251 54 ; 261D / ;
Abstract
A thermal timer valve for temperature-dependent operation of accessory devices of a fuel mixture preparation system of a combustion engine. The valve has a membrane chamber acted upon by intake pipe or manifold negative pressure. The membrane is connected to a rod which on one end has a valve closure element and on the other end a piston located in an oil chamber. The oil chamber may have an adjustable overflow channel. A disk check valve may be associated with the piston. Also there may be an overflow channel with a compensation chamber.