Cylinder head having a solenoid valve control device for operati

Details Cylinder head having a solenoid valve control device for operati Cylinder head having a solenoid valve control device for operati

1998-04-03

2000-07-18

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

123 4182R, 123 4182A, 1231935, 1231933, F02F 124, F01L 904

Patent

active

060891963

ABSTRACT:
A cylinder head having a solenoid valve control device for operating a valve of an internal combustion engine includes a valve element which constitutes one of an intake valve and an exhaust valve of the engine. An armature is connected to the valve element to operate the valve element. A first solenoid is provided above the armature to generate an electromagnetic force to attract the armature so that the valve element is moved to a valve-closing position. A second solenoid is provided below the armature to generate an electromagnetic force to attract the armature so that the valve element is moved to a valve-opening position. An upper head is provided on a top of the cylinder head, the upper head having a through hole at a given location in the upper head, the through hole having an upper open end and a lower open end in the upper head. The first solenoid is fitted to the upper open end of the through hole and the second solenoid is fitted to the lower open end of the through hole, so that the first solenoid and the second solenoid are held by the upper head at given positions relative to the armature.

REFERENCES:
patent: 3983852 (1976-10-01), Chatourel
patent: 4682574 (1987-07-01), Kreuter
patent: 4688523 (1987-08-01), Takahashi et al.
patent: 4988074 (1991-01-01), Najmolhoda
patent: 5003958 (1991-04-01), Yoneyama et al.
patent: 5035637 (1991-07-01), Mathews et al.
patent: 5611303 (1997-03-01), Izuo

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