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:
Oct. 15, 1996
Filed:
Jun. 07, 1995
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A device for controlling the idling speed of an internal combustion engine by controlling a quantity of operating medium which can be fed to the internal combustion engine from an operating medium source via at least two flow lines. A first valve operating area is controlled at a first valve opening by a first valve closing element, and a second valve opening area is controlled at a second valve opening by a second valve closing element. The first and the second valve closing elements can be adjusted by an actuator in such a way that the first valve opening and the second valve opening are arranged in series one behind the other between the operating medium source and the intake port of the internal combustion engine. The valve closing elements are coupled to one another in such a way that when they are actuated the first valve closing element always firstly clears a flow area at the first valve opening (34) and only then does the second valve closing element clear a flow area at the second valve opening (36).