Internal-combustion engines – Engine speed regulator – Open loop condition responsive
Reexamination Certificate
2006-04-04
2006-04-04
Wolfe, Jr., Willis R. (Department: 3747)
Internal-combustion engines
Engine speed regulator
Open loop condition responsive
C123S333000, C123S403000
Reexamination Certificate
active
07021284
ABSTRACT:
A method for throttle progression control to minimize tip-in noise of an internal combustion engine by allowing the engine to receive only the required air for the commanded engine acceleration. The method comprises the steps of a) providing an electronically controlled throttle body and valve, b) providing an electronic control module, c) determining the engine air flow required to satisfy a desired engine acceleration, d) providing an input to the electronic control module corresponding to the engine air flow required, e) programming the electronic control module to limit the inflow of air during engine acceleration to match the engine air flow required for achieving said desired engine acceleration, and f) actuating the throttle body and valve to provide the limited air flow through the throttle body during the desired engine acceleration.
REFERENCES:
patent: 3794004 (1974-02-01), Stoltman
patent: 4721176 (1988-01-01), Kabasin et al.
patent: 4986244 (1991-01-01), Kobayashi et al.
patent: 5224044 (1993-06-01), Tamura et al.
patent: 6755177 (2004-06-01), Woolford et al.
Confer Keith A.
Knieper Christopher H.
Nichols Gary A.
Delphi Technologies Inc.
Funke Jimmy L.
Wolfe, Jr. Willis R.
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