Cylinder head assembly for use in internal combustion engine

Details Cylinder head assembly for use in internal combustion engine Cylinder head assembly for use in internal combustion engine

1991-11-27

1992-09-29

Cross, E. Rollins

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

123 9038, 123 9034, 123 9016, 123195H, F02F 300

Patent

active

051506750

ABSTRACT:
A cylinder head assembly for ues in an internal combustion engine is provided, which includes a valve drive mechanism having a plurality of pairs of a rocker-arm shaft and a rocker arm, the rocker shafts being rotatably supported by a rocker shaft cap incooperation with journals of a cylinder head, and the rocker arms being swingable together with the rocker-arm shafts. The rocker shaft cap has a plurality of cap portions for supporting the rocker-arm shafts, disposed in parallel with each other in one direction, and corresponding in number to journal portions of the cylinder head, and pairs of beam portions respectively supporting both sides of the plurality of cap portions, and extending in parallel with each other in the one direction, wherein the cap portions and pairs of beam portions are formed to be integral with each other thereby to constitute a ladder frame structure. Oil paths are formed in the cap portions and beam portions.

REFERENCES:
patent: 4291650 (1981-09-01), Formia et al.
patent: 4537166 (1985-08-01), Kimura et al.
patent: 4651691 (1987-03-01), Ogawa
patent: 4807574 (1989-02-01), Shibata et al.
patent: 4823747 (1989-04-01), Wagner et al.

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