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. 09, 1984
Filed:
May. 19, 1982
Applicant:
Inventor:
Werner Huther, Karlsfeld, DE;
Assignee:
MTU Motoren-und Turbinen-Union Munchen GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ; F01L / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 1231 / ;
Abstract
A valve for an internal combustion engine having mutually cooperating sealing surfaces, both of which are cylindrical. At least the movable valve member, carrying one of the sealing surfaces, is made of ceramic material. The movable valve member may be disk-shaped or have a bulbous or drop shape. The valve member may have a hollow cylindrical body reciprocable through a hole in a wall, a circumferentially arranged port in the body being selectively closed by moving the body into the hole.