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U.S. Department of Energy
Office of Scientific and Technical Information

Method for valve seating control for an electro-hydraulic engine valve

Patent ·
OSTI ID:1013679
Valve lift in an internal combustion engine is controlled by an electro-hydraulic actuation mechanism including a selectively actuable hydraulic feedback circuit.
Research Organization:
GM Global Technology Operations, Inc. (Detroit, MI)
Sponsoring Organization:
USDOE
Assignee:
GM Global Technology Operations, Inc. (Detroit, MI)
Patent Number(s):
7,866,286
Application Number:
11/851,446
OSTI ID:
1013679
Country of Publication:
United States
Language:
English

References (2)

Design and Control of a Two-stage Electro-hydraulic Valve Actuation System conference March 2004
Digital Valve Technology Applied to the Control of an Hydraulic Valve Actuator conference March 1999