Engine control with variable control valve

Details Engine control with variable control valve Engine control with variable control valve

2006-10-31

2006-10-31

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C123S539000

Reexamination Certificate

active

07128044

ABSTRACT:
A method of operating an internal combustion engine. The method includes disabling at least one piston cylinder of the engine. While said at least one piston cylinder is disabled, turbulence is selectively varied in an air intake pathway of an enabled piston cylinder, so as to vary charge motion within the enabled piston cylinder. The selective variation of turbulence is effected at a location in the air intake pathway between a throttle of the engine and an intake valve of the enabled cylinder.

REFERENCES:
patent: 4296719 (1981-10-01), Takahashi et al.
patent: 4366788 (1983-01-01), Tanaka et al.
patent: 4550704 (1985-11-01), Barho et al.
patent: 4556026 (1985-12-01), Masuda et al.
patent: 5099816 (1992-03-01), Ohga et al.
patent: 5398544 (1995-03-01), Lipinski et al.
patent: 6435156 (2002-08-01), Copus

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