Valve seat inserts

Details Valve seat inserts Valve seat inserts

1983-09-09

1985-06-11

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Valve seats or guides

123188S, 123188GC, 291567A, F01L 322

Patent

active

045221618

ABSTRACT:
A water-cooled internal combustion engine has at least one cylinder and a valve controlled exhaust port (11). A valve seat insert (17) is provided around the entrance to the port and is formed with a sealed passage (24) therearound which is in direct communication with the water-cooling system. Water is thus circulated around the passage to cool the valve seat insert and the associated valve.

REFERENCES:
patent: 3170452 (1965-02-01), Dobovan
patent: 4147149 (1979-04-01), Andrea
patent: 4169488 (1979-10-01), Goloff et al.

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