Fabricating internal combustion engine cylinder heads with close

Details Fabricating internal combustion engine cylinder heads with close Fabricating internal combustion engine cylinder heads with close

1989-12-14

1990-06-19

Cross, E. Rollins

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123188S, 123188GC, F02F 100

Patent

active

049343513

ABSTRACT:
An internal combustion engine which is provided with a cylinder head structure possessing truer finished surfaces and which incorporates unsmeared porosity in such surfaces to act as reservoirs for lubrication; as a result the design gap with the valve stem can be closer for improved lubrication.

REFERENCES:
patent: 4342293 (1982-08-01), Nickerson
patent: 4570585 (1986-02-01), Hayashi

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