Internal combustion engine with auxiliary combustion chamber

Details Internal combustion engine with auxiliary combustion chamber Internal combustion engine with auxiliary combustion chamber

1975-02-28

1978-08-15

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123 75B, 123 9012, F01L 902

Patent

active

041064461

ABSTRACT:
An internal combustion engine with an auxiliary combustion chamber is provided with a main combustion chamber for the combustion of an air-fuel mixture, an auxiliary combustion chamber communicating with the main combustion chamber through a passage, such that the ignition of an air-fuel mixture in the auxiliary combustion chamber induces ignition and combustion of the air-fuel mixture in the main combustion chamber, and an intake valve provided in the auxiliary combustion chamber for opening and closing a passage which leads to a fuel supply means. The engine further includes an intake valve lifter having a piston member which is associated with the intake valve and a cylinder member in which such piston member moves, a fluid pressure supply device driven in synchronism with the rotation of the engine to supply a fluid pressure, and a fluid pressure supply passage for feeding the fluid pressure which is supplied by the fluid pressure supply device to the intake valve lifter. Accordingly, the control of the opening and closing operations of the intake valve of the auxiliary combustion chamber can be performed in accordance with any driving conditions by feeding the fluid pressure supplied by the fluid pressure supply device to the intake valve lifter through the fluid pressure supply passage and moving the piston member in synchronism with the rotation of the internal combustion engine.

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patent: 3763834 (1973-10-01), Geiger
patent: 3882830 (1975-05-01), Kume
patent: 3905343 (1975-09-01), Ryan

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