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. 22, 2008
Filed:
Nov. 17, 2004
Applicant:
Kai Lehtonen, Vaasa, FI;
Inventor:
Kai Lehtonen, Vaasa, FI;
Assignee:
Wartsila Finland OY, Vaasa, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to apparatuses for detecting fuel pressure in internal combustion engines. The invention especially relates to internal combustion engine applications in which fuel reaches a high pressure. The apparatus according to the invention is a simple switch apparatus. In the apparatus the fuel pressure moves a piston causing a switching operation in the apparatus, which in turn can be detected by means of a separate detector.