Oil-cooled engine valve

Details Oil-cooled engine valve Oil-cooled engine valve

1977-11-23

1979-08-21

Lazarus, Ronald H.

Fluid handling

With heating or cooling of the system

Circulating fluid in heat exchange relationship

123 4141, 123 4134, 123188AA, 123188GC, F01P 314, F16K 4900, F01L 318

Patent

active

041649575

ABSTRACT:
An engine valve comprises an elongated hollow stem having a hollow head secured on an end thereof. A tube is disposed in the stem to define an inlet passage therethrough and an outlet passage between the tube and the stem. An annular oil distributor and heat conducting member, exhibiting a relatively high thermal conductivity, is secured to the tube and is disposed adjacent to an annular face defined on the head of the valve to conduct heat therefrom. The member defines a chamber along with an annular cap secured to the head of the valve. The chamber communicates with the inlet passage and the cap and the member function to direct oil radially outwardly to ports formed through the member to communicate oil to the outlet passage. The tube is preferably bent intermediate its ends to engage the stem in bearing contact to dampen vibration of the tube during operation.

REFERENCES:
patent: 1343111 (1920-06-01), Cattaneo
patent: 1415793 (1922-05-01), Cattaneo
patent: 1729981 (1929-10-01), Bissell
patent: 1914340 (1933-06-01), Holzwarth
patent: 2238628 (1941-04-01), Daisley
patent: 2371548 (1945-03-01), Saffady
patent: 2377459 (1945-06-01), Strauss

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