Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Piston for an internal combustion engine

Patent ·
OSTI ID:6364596
This patent describes a piston for an internal combustion engine comprising: a crown having a circumferentially extending oil-ring groove in an outer portion of the crown, the oil-ring groove having slits on thrust and thurst-opposing sides of the piston; a skirt integrally connected to the crown and extending downward, the skirt having a circumferentially extending faucet rib on an inside surface of a lower portion of the skirt; a pair of opposed bosses protruding inward from an inside surface of the piston and extending in a direction perpendicular with a thrust and thurst-opposing direction of the piston, the bosses being opposed to each other.
Assignee:
Toyota Jidosha Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4785774
OSTI ID:
6364596
Country of Publication:
United States
Language:
English