System and method for measuring valve lift and for detecting a fault in a valve actuator based on the valve lift

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United States of America Patent

PATENT NO 9506381
APP PUB NO 20150218978A1
SERIAL NO

14260608

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Abstract

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A system according to the principles of the present disclosure includes a valve lift determination module and a fault detection module. The valve lift determination module determines valve lift based on at least one of a first period when a valve is open and N differences between a first value of a valve lift signal generated by a valve lift sensor when the valve is closed and a second value of the valve lift signal when the valve is open, wherein N is an integer greater than one. The fault detection module detects a fault in a valve actuator based on the valve lift.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dibble, Donovan L Utica, US 36 454
Feldmann, Scott T South Lyon, US 13 170
Kubani, Ronald J Highland, US 7 128

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