Method for detecting leaks in an intake manifold

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United States of America Patent

PATENT NO 10363925
APP PUB NO 20170305415A1
SERIAL NO

15646507

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Abstract

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Methods and systems are provided for detecting leaks in an intake manifold of an engine. In one example, a method may include closing all intake valves of all cylinders of the engine during an engine shut down responsive to vacuum in the intake manifold reaching a pre-determined vacuum level. The method may further include indicating a leak in the intake manifold responsive to a change in a level of vacuum in the intake manifold after closing all the intake valves of all cylinders.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCFAIRLANE PLAZA SOUTH SUITE 800 330 TOWN CENTER DRIVE DEARBORN MI 48126

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dudar, Aed M Canton, US 489 3983
Liu, Chingpo Novi, US 5 52

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