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. 03, 1979
Filed:
Dec. 02, 1977
Applicant:
Inventors:
Gunter Hohenberg, Hohengehren, DE;
Detlef Kurr, Waiblingen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
731173 ;
Abstract
A method and apparatus for determining the upper dead-center position in piston engines, in which the crankshaft angle corresponding to the maximum compression pressure is determined by a pressure measurement and by the addition of a correcting factor that corresponds to the thermodynamic loss angle conditioned by heat-transfer and leakage losses.