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Patent Searching and Data


Title:
VALVE ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF MANUFACTURING
Document Type and Number:
WIPO Patent Application WO2002075120
Kind Code:
A3
Abstract:
The present invention is related to a valve assembly and a method of manufacturing same. An extruded profile (1) is used as a housing (26) of the valve assembly, within said housing (26) a single-component valve-element (14) is injection-moulded, having a shaft-part and a plate-part, by moulding said single-component valve-element (14) within a central bore (2) against said housing (26) during injection moulding. Curing of the single-component valve-element (14) and contracting thereof is allowed, providing for a clearance between the single-component valve-element (14) and components (23, 13, 9) of said housing (26) for relative movement therebetween.

Inventors:
SCHMIDT ROMAN (AU)
SOUBJAKI SAM (US)
Application Number:
EP0202857W
Publication Date:
November 21, 2002
Filing Date:
March 14, 2002
Export Citation:
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Assignee:
ROBERT BOSCH GMBH
SCHMIDT, ROMAN
SOUBJAKI, SAM
International Classes:
F02D9/02; F02D9/10; F02D11/10; F16K1/22; (IPC1-7): F16K1/22; F02D9/10
Foreign References:
EP0899073A21999-03-03
FR2687601A11993-08-27
JP2000202866A2000-07-25
JP2000210983A2000-08-02
US5275375A1994-01-04
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