04762097 is referenced by 21 patents and cites 8 patents.

An internal combustion engine, or the like, includes a camshaft drive providing hydraulically variable cam timing utilizing computer control of a hydraulic dump and fill coupling which varies the retardation of a spring driven member connected with the camshaft. The camshaft phase relation is read by the computer and adjusted in relation to engine speed according to a preprogrammed phase relationship.

Title
Engine with hydraulically variable cam timing
Application Number
6/946992
Publication Number
4762097
Application Date
December 29, 1986
Publication Date
August 9, 1988
Inventor
Steven F Baker
Bellevue
OH, US
Agent
Robert J Outland
Assignee
General Motors Corporation
MI, US
IPC
F01L 1/34
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