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

Engine breather device for motor vehicle with riding saddle

Patent ·
OSTI ID:6812127
This patent describes an engine breather device in a motor vehicle having a vehicle frame including longitudinal upper and lower frames, front and rear wheels rotatably supported on the vehicle frame. A handlebar is mounted on the vehicle frame for steering the front wheels, a rider's saddle is disposed on an upper portion of the vehicle frame, and footsteps are disposed on a lower portion of the vehicle frame. The engine breather device comprises: substantially vertical pipe frame adapted to interconnect the upper and lower frames and having at least one opening; an engine adapted to be mounted on the vehicle frame and having a crankcase and a cylinder projecting upwardly from the crankcase, the cylinder having a hole extending from the upper end thereof into the crankcase; a breather tube providing communication between the interior of the vertical pipe frame and the interior of the crankcase through the hole in the cylinder; and the breather tube being connected to the engine at a first position above the upper end of the cylinder and to the vehicle pipe frame at a second position lower than the first position.
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4632071
OSTI ID:
6812127
Country of Publication:
United States
Language:
English