Cylinder head assembly for use in internal combustion engine
US5150675A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 27, 1991 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | Nov 27, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2001/245
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.