Water-cooled two-cycle engine

Details Water-cooled two-cycle engine Water-cooled two-cycle engine

2007-10-09

2007-10-09

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S193200

Reexamination Certificate

active

11420398

ABSTRACT:
A cooling structure of a water-cooled two-cycle parallel multicylinder engine includes: an exhaust port in a cylinder block; an air intake port disposed in a crankcase below the exhaust port; a water pump disposed in the crankcase in an opposite side of the exhaust port; a first cooling water passage introducing cooling water discharged from the water pump to a cooling water jacket of a cylinder head; and a second cooling water passage introducing a part of the cooling water discharged from the water pump to a cooling water jacket below the exhaust port, the second cooling water passage being provided in the crankcase.

REFERENCES:
patent: 4635591 (1987-01-01), Hledin
patent: 4844025 (1989-07-01), Sheaffer
patent: 5163396 (1992-11-01), Fukuda et al.
patent: 6748917 (2004-06-01), Hoffmann et al.
patent: 10142777 (2002-04-01), None
patent: 59-180067 (1984-10-01), None
patent: 2002-339745 (2002-11-01), None

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