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:
May. 13, 2008
Filed:
Nov. 30, 2004
Keith Edward Lawrence, Kobe, JP;
William Elliott Moser, Peoria, IL (US);
Stephan Donald Roozenboom, Washington, IL (US);
Kevin Jay Knox, Peoria, IL (US);
Keith Edward Lawrence, Kobe, JP;
William Elliott Moser, Peoria, IL (US);
Stephan Donald Roozenboom, Washington, IL (US);
Kevin Jay Knox, Peoria, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A variable compression ratio mechanism for an internal combustion engine that has an engine block and a crankshaft is disclosed. The variable compression ratio mechanism has a plurality of eccentric disks configured to support the crankshaft. Each of the plurality of eccentric disks has at least one cylindrical portion annularly surrounded by the engine block. The variable compression ratio mechanism also has at least one actuator configured to rotate the plurality of eccentric disks.