Engine Valve Actuation For Combustion Enhancement
Abstract
A combustion chamber valve, such as an intake valve or an exhaust valve, is briefly opened during the compression and/or power strokes of a 4-stroke combustion cycle in an internal combustion engine (in particular, a diesel or CI engine). The brief opening may (1) enhance mixing withing the combustion chamber, allowing more complete oxidation of particulates to decrease engine emissions; and/or may (2) delay ignition until a more desirable time, potentially allowing a means of timing ignition in otherwise difficult-to-control conditions, e.g., in HCCI (Homogeneous Charge Compression Ignition) conditions.
- Inventors:
-
- Madison, WI
- Issue Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- OSTI Identifier:
- 879919
- Patent Number(s):
- 6736106
- Application Number:
- 10/350053
- Assignee:
- Wisconsin Alumni Research Foundation (Madison, WI)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01L - CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
- DOE Contract Number:
- FC04-02AL67612
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Reitz, Rolf Deneys, Rutland, Christopher J, and Jhavar, Rahul. Engine Valve Actuation For Combustion Enhancement. United States: N. p., 2004.
Web.
Reitz, Rolf Deneys, Rutland, Christopher J, & Jhavar, Rahul. Engine Valve Actuation For Combustion Enhancement. United States.
Reitz, Rolf Deneys, Rutland, Christopher J, and Jhavar, Rahul. Tue .
"Engine Valve Actuation For Combustion Enhancement". United States. https://www.osti.gov/servlets/purl/879919.
@article{osti_879919,
title = {Engine Valve Actuation For Combustion Enhancement},
author = {Reitz, Rolf Deneys and Rutland, Christopher J and Jhavar, Rahul},
abstractNote = {A combustion chamber valve, such as an intake valve or an exhaust valve, is briefly opened during the compression and/or power strokes of a 4-stroke combustion cycle in an internal combustion engine (in particular, a diesel or CI engine). The brief opening may (1) enhance mixing withing the combustion chamber, allowing more complete oxidation of particulates to decrease engine emissions; and/or may (2) delay ignition until a more desirable time, potentially allowing a means of timing ignition in otherwise difficult-to-control conditions, e.g., in HCCI (Homogeneous Charge Compression Ignition) conditions.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 18 00:00:00 EDT 2004},
month = {Tue May 18 00:00:00 EDT 2004}
}
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