Cooled engine valve with improved heat transfer

Details Cooled engine valve with improved heat transfer Cooled engine valve with improved heat transfer

1978-02-22

1980-02-12

Myhre, Charles J.

Internal-combustion engines

Cooling

Internal cooling of moving parts; e.g., hollow valves,...

123 4141, 123188AA, 123188GC, 137340, 123188A, F01P 314

Patent

active

041878078

ABSTRACT:
An engine valve comprises an elongated stem having a head secured on an end thereof. A tube is disposed in the stem to terminate at an outlet to communicate a liquid coolant, such as oil, to an annular chamber defined in the head. An agitator ring is loosely mounted in the chamber for moving therein during valve operation. A plurality of circumferentially disposed and radially extending ribs are preferably secured between the head and a cap secured thereon to define a plurality of inlet and outlet passageways therebetween.

REFERENCES:
patent: 698474 (1902-04-01), Ebbs
patent: 1914340 (1933-06-01), Holzwarth
patent: 2017294 (1935-10-01), Rich
patent: 2188248 (1940-01-01), Possenti
patent: 2403001 (1946-07-01), Jacobi
patent: 3871339 (1975-03-01), Kuhn
patent: 3945356 (1976-03-01), Kuhn

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