Cylinder head

Details Cylinder head Cylinder head

1991-10-08

1993-03-23

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9038, 123196M, F01M 910

Patent

active

051954729

ABSTRACT:
A cylinder head for supporting and lubricating hydraulic valve lifters comprises a head member having a deck face adapted for mating with an engine block. The head member has a bottom face which is approximately perpendicular to the deck face. A plurality of sockets are formed in the head member and are adapted to receive a hydraulic valve lifter. A one-way gallery is formed in the head member above the sockets. The one-way gallery is parallel to a horizontal plane of the engine block when the head member is mated therewith. The one-way gallery is adapted to communicate with the valve lifters. A one-way passage is formed in the head member. The one-way passage has a gallery end which communicates with the one-way gallery and a supply end which is above the gallery end. A supply passage is formed in the head member. The supply passage has one end which communicates with the supply end and another end which communicates with a block port in the mating face. The block port is below the one-way gallery. The block port registers with a fluid passage in the engine block which can contain pressurized fluid.

REFERENCES:
patent: 4709667 (1987-12-01), Ichihara et al.
patent: 4729349 (1988-03-01), Sonoda et al.
patent: 4883027 (1989-11-01), Oikawa et al.
patent: 5027762 (1991-07-01), Tokuyama et al.
patent: 5031586 (1991-07-01), Masuda et al.

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