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Title: System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems

Abstract

A control system for an engine includes a first lift control module and a second lift control module. The first lift control module increases lift of M valves of the engine to a predetermined valve lift during a period before disabling or re-enabling N valves of the engine. The second lift control module decreases the lift of the M valves to a desired valve lift during a period after enabling or re-enabling the N valves of the engine, wherein N and M are integers greater than or equal to one.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
GM Global Technology Operations LLC (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1159919
Patent Number(s):
8,839,750
Application Number:
12/910,212
Assignee:
GM Global Technology Operations LLC (N/A)
DOE Contract Number:  
FC26-05NT42415
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS

Citation Formats

Brennan, Daniel G, Marriott, Craig D, Cowgill, Joel, Wiles, Matthew A, and Patton, Kenneth James. System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems. United States: N. p., 2014. Web.
Brennan, Daniel G, Marriott, Craig D, Cowgill, Joel, Wiles, Matthew A, & Patton, Kenneth James. System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems. United States.
Brennan, Daniel G, Marriott, Craig D, Cowgill, Joel, Wiles, Matthew A, and Patton, Kenneth James. Tue . "System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems". United States. https://www.osti.gov/servlets/purl/1159919.
@article{osti_1159919,
title = {System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systems},
author = {Brennan, Daniel G and Marriott, Craig D and Cowgill, Joel and Wiles, Matthew A and Patton, Kenneth James},
abstractNote = {A control system for an engine includes a first lift control module and a second lift control module. The first lift control module increases lift of M valves of the engine to a predetermined valve lift during a period before disabling or re-enabling N valves of the engine. The second lift control module decreases the lift of the M valves to a desired valve lift during a period after enabling or re-enabling the N valves of the engine, wherein N and M are integers greater than or equal to one.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {9}
}

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