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U.S. Department of Energy
Office of Scientific and Technical Information

Piston for internal combustion engine

Patent ·
OSTI ID:5085260
This patent describes a piston for an internal combustion engine comprising: (a) a piston main body made of a first material and having an opening in a top surface thereof, the opening having an upper large diameter portion and a lower small diameter portion with a shoulder defined therebetween; (b) a cavity forming member having a combustion chamber cavity formed in a top surface thereof and being made of a second material having a different thermal expansion coefficient than the first material; (c) a connecting rod including coupling means having two diverging portions, each portion having an opening therein; (d) a piston pin mounted in the piston main body and extending through the openings in the two diverging portions of the connecting rod and the opening.
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4617887
OSTI ID:
5085260
Country of Publication:
United States
Language:
English