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:
Dec. 28, 1993
Filed:
Mar. 18, 1993
Volkswagen AG, Wolfsburg, DE;
Abstract
A valve control arrangement for first and second inlet valves of an internal combustion engine includes two cams, one of which is optimized for operation at low speed and/or load, while the other cam is optimized for operation at high speed and/or load. The first valve is permanently driven and, when the second valve is deactivated, it is driven from the first cam by a first actuation lever. The second valve is driven by a second actuating lever after engagement actuation of a first coupling between the second actuation lever and a third actuating lever which is driven by the second cam. Another coupling between the first and second actuating levers couples the first valve with the second cam when required for optimum operation.