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:
Jun. 12, 1990
Filed:
Jul. 26, 1989
T Graham Parr, Finham Coventry, GB;
Austin Rover Group Limited, , GB;
Abstract
An internal combustion engine inlet manifold is disclosed which comprises of a housing defining a plenum, at least one inlet tract and at least one rotary valve member supported by the housing. The or each inlet tract has first and second lengths one of which extends away from the plenum for connection to an engine to which the inlet manifold is to be connected. The or each valve member is arranged to be rotatable from a first position in which the first and second lengths are connected in series between the plenum and the engine via the or each valve member and a second position in which connection is made between the plenum and the engine solely by means of the first length of the or each inlet tract via the or each valve member.