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.

Date of Patent:
Jun. 08, 1993

Filed:

Aug. 24, 1992
Applicant:
Inventors:

Michael Brummer, Laudenbach, DE;

Detlef Cordts, Morlenbach, DE;

Bernhard Gesenhues, Birkenau, DE;

Assignee:

Firma Carl Freudenberg, Weinheim/Bergstr., DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123 / ;
Abstract

An intake manifold for an internal combustion engine is disclosed. The intake manifold has an intake manifold body of fixed cross-section with a passage passing through it. The passage area can be altered by an expansible member arranged in the passage. The expansible member is an elastically expandable membrane, as well as a supply pipe used to expand the membrane, as needed, by use of a fluid medium.


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