Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xiaogang Zhang0
Date of Patent
September 25, 2018
0Patent Application Number
142442170
Date Filed
April 3, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Various systems and methods are described for generating vacuum within an engine intake. An intake throttle including a hollow throttle plate having a plurality of perforations along its circumference is mounted on a hollow shaft, which in turn may be coupled to a vacuum consumption device. When vacuum is demanded by the vacuum consumption device, the opening of the throttle plate may be decreased and vacuum may be generated by flowing intake air past the perforated edge of the throttle plate.
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