Valve control system for internal combustion engine

Details Valve control system for internal combustion engine Valve control system for internal combustion engine

1989-12-05

1990-07-03

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

60324, F01L 904, F01N 700

Patent

active

049381792

ABSTRACT:
A valve control system for controlling intake and exhaust valves of an internal combustion engine associated with an exhaust brake includes electromagnetic actuator means for electromagnetically operating the intake and exhaust valves. When the exhaust brake is applied, the electromagnetic actuator means is operated to increase the force to close the exhaust valve of the cylinder in the intake stroke. With the exhaust valve thus securely closed, the back pressure of exhaust gases on the engine can be increased thereby to increase the power of the engine brake being applied.

REFERENCES:
patent: 3682152 (1972-08-01), Muller-Berner
patent: 3938330 (1976-02-01), Nakajima et al.
patent: 4544986 (1985-10-01), Buchl
patent: 4614170 (1986-09-01), Pischinger et al.
patent: 4665692 (1987-05-01), Inaba
patent: 4707987 (1987-11-01), Atkin
patent: 4715332 (1987-12-01), Kreuter
patent: 4779582 (1988-10-01), Lequesne

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