Simultaneously firing two cylinders of an even firing camless engine
Abstract
A valve control system includes an engine speed control module that determines an engine speed and a desired engine stop position. A piston position module determines a desired stopping position of a first piston based on the desired engine stop position. A valve control module receives the desired stopping position, commands a set of valves to close at the desired stopping position if the engine speed is less than a predetermined shutdown threshold, and commands the set of valves to reduce the engine speed if the engine speed is greater than the predetermined shutdown threshold.
- Inventors:
- Issue Date:
- Research Org.:
- GM Global Technology Operations LLC, Detroit, MI, USA
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1126872
- Patent Number(s):
- 8667954
- Application Number:
- 13/238,388
- Assignee:
- GM Global Technology Operations LLC (Detroit, MI)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02N - STARTING OF COMBUSTION ENGINES
- 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. Simultaneously firing two cylinders of an even firing camless engine. United States: N. p., 2014.
Web.
Brennan, Daniel G. Simultaneously firing two cylinders of an even firing camless engine. United States.
Brennan, Daniel G. Tue .
"Simultaneously firing two cylinders of an even firing camless engine". United States. https://www.osti.gov/servlets/purl/1126872.
@article{osti_1126872,
title = {Simultaneously firing two cylinders of an even firing camless engine},
author = {Brennan, Daniel G},
abstractNote = {A valve control system includes an engine speed control module that determines an engine speed and a desired engine stop position. A piston position module determines a desired stopping position of a first piston based on the desired engine stop position. A valve control module receives the desired stopping position, commands a set of valves to close at the desired stopping position if the engine speed is less than a predetermined shutdown threshold, and commands the set of valves to reduce the engine speed if the engine speed is greater than the predetermined shutdown threshold.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 11 00:00:00 EDT 2014},
month = {Tue Mar 11 00:00:00 EDT 2014}
}
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