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:
Jul. 08, 2003
Filed:
Oct. 05, 2001
Kurt Imren Yapici, Eschweiler, DE;
FEV Motorentechnik GmbH, Aachen, DE;
Abstract
A piston-type internal-combustion engine has an apparatus for shifting the crankshaft axis to vary the compression ratio. The apparatus has eccentric rings rotatably supported in the engine block. The crankshaft is eccentrically supported in the rings whereby the crankshaft axis is radially spaced from the ring axis. A setting arm, carrying a toothed element, projects from each ring. A setting shaft is rotatably supported on the engine block parallel to the crankshaft. Pinion elements are provided, each having a first pinion fixedly secured to the setting shaft and meshing with the toothed element of one of the setting arms and a second pinion rotatable relative to the first pinion and meshing with the toothed element of one of the setting arms. A resilient connecting member couples the first and second pinions to one another and resiliently resists a rotation of the first and second pinions relative to one another.