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, 2001
Filed:
Dec. 03, 1998
Applicant:
Inventor:
Harro Andreas Hoeg, Allerçd, DK;
Assignee:
Man B&W Diesel A/S, Copenhagan SV, DK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02L 3/02 ;
U.S. Cl.
CPC ...
F02L 3/02 ;
Abstract
An exhaust valve for an internal combustion engine including a movable spindle with a valve disc which on its upper surface has an annular seat are of a material different from the base material of the valve disc. In the closed position of the valve the seat area abuts a corresponding seat area on a stationary valve member. The seat area on the upper surface of the valve disc is made of a material which has a yield strength of at least 1000 Mpa at a temperature of approximately 20° C.