Method for cylinder cut-in in an internal combustion engine proc

Details Method for cylinder cut-in in an internal combustion engine proc Method for cylinder cut-in in an internal combustion engine proc

1996-04-19

1998-03-17

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123198F, F02D 1702

Patent

active

057275270

ABSTRACT:
A method for cylinder cut-in in an internal combustion engine, with the engine having on a portion of its cylinders. The charge changing valves can be cut out as well as a switchable fuel supply, both of which can be switched from a cut-out or cut-off state to a cut-in state and vice versa. In order to provide a method for cylinder cut-in that permits a safe transition from operation in which they are cut out to one in which they are not cut out, and by which the effects of this switch are exhaust behavior are minimized, the charge changing valves are cut in first and then, after checking to determine whether the charge changing valves have been switched, the fuel supply is cut in to the cylinders that were previously cut out.

REFERENCES:
patent: 4550704 (1985-11-01), Barho et al.
patent: 5337720 (1994-08-01), Murakami et al.
patent: 5481461 (1996-01-01), Miyamoto et al.
patent: 5492100 (1996-02-01), Ishii et al.

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