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

Cast engine cylinder having an internal passageway and method of making same

Patent ·
OSTI ID:6715670
This patent describes a cast cylinder assembly for an internal combustion engine. It comprises: a cast cylinder including a piston bore, an intake valve cavity, an intake bore communicating externally of the cast cylinder with ambient air and located on a side of the piston bore opposite the intake valve cavity, and a cast-in-place walled tube embedded in the cast cylinder and defining an internal passageway circumscribing a portion of the piston bore and communicating the intake bore and the intake valve cavity.
Assignee:
Tecumseh Products Co., Tecumseh, MI (USA)
Patent Number(s):
A; US 4922863
Application Number:
PPN: US 7-339644A
OSTI ID:
6715670
Country of Publication:
United States
Language:
English