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:
Jan. 14, 2003
Filed:
Sep. 06, 2001
Lutz Scholten, Aachen, DE;
Peter Welteroth, Eitorf, DE;
Rolf Oppermann, Schwalbach, DE;
Armin Seeger, Bad Soden, DE;
Siemens AG, Munich, DE;
Abstract
A throttle valve body ( ), especially for an internal combustion engine of a motor vehicle, having a tubular body ( ), which comprises at least an outer casing ( A, A), an inner casing ( B, B), a first end face ( C, C) and a second end face ( D, D), the inner casing ( B, B) of the tubular body ( ) forming a flow duct ( ) through which a gaseous medium ( ), especially air, can flow in a main flow direction ( ), a throttle plate ( ) swivel-mounted on a throttle shaft ( ) being arranged in the flow duct ( ), is to have an especially low weight and be manufactured at least partially from standard components. For this purpose the outer casing ( A, A) of the tubular housing ( ) is at least partially enclosed by a housing ( ) made of plastic ( ), at least one actuator ( ) for the throttle shaft ( ) being arranged in the housing ( ) and the tubular body ( ) being largely composed of metal ( ).