Method and system for vacuum generation using a throttle body comprising a slidable throttle valve
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United States of America Patent
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Feb 6, 2018
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app pub date -
Nov 18, 2015
filing date -
Nov 18, 2015
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Abstract
Various systems and methods are described for generating vacuum within an engine intake. A system may comprise an intake throttle including a slidable throttle valve, where the throttle valve may comprise a hollow interior passage, which in turn may be coupled to a vacuum consumption device. When vacuum is demanded by the vacuum consumption device, the throttle valve may be displaced downstream within the throttle to decrease airflow through the throttle and vacuum may be generated at tip of the throttle valve by flowing intake air between the throttle valve and a throttle fixture.
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