Coolant air bleed structure for water-cooled internal...

Details Coolant air bleed structure for water-cooled internal... Coolant air bleed structure for water-cooled internal...

2007-08-23

2009-10-13

Kamen, Noah (Department: 3741)

Internal-combustion engines

Cooling

With vent

C123S041080

Reexamination Certificate

active

07600491

ABSTRACT:
A coolant air bleed structure is provided for a water-cooled internal combustion engine having a plurality of cylinders and a cylinder head, formed at upper portion of the cylinders. The cylinder head includes a coolant jacket formed therein. The coolant air bleed structure is disposed in an air bleed hole formed in a protrusion formed at a substantially central vertical portion of a sidewall of the cylinder head. The coolant air bleed structure is operatively connected to the coolant jacket, and includes a jiggle valve which is configured to open during a coolant changing operation.

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patent: 6843209 (2005-01-01), Miyagawa et al.
patent: 7261069 (2007-08-01), Gunther
patent: 01-160119 (1989-11-01), None

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