Shielded valve

Details Shielded valve Shielded valve

1980-09-22

1982-12-07

Feinberg, Craig R.

Internal-combustion engines

Valve

Valve head cooperates with manifold

123188VA, F01L 320

Patent

active

043621341

ABSTRACT:
A shielded poppet valve (10) for a diesel engine is disclosed. In one embodiment the valve includes a fillet heat shield (12) which is fixed at one end (22) to the valve stem (20) to define a thermal insulating cavity (30) open at the other end (24). Another embodiment includes a valve (10') and a fillet heat shield (12'), both identical to the valve (10) and shield (12), and a face heat shield (34).

REFERENCES:
patent: 1727621 (1929-09-01), Taub
patent: 1868138 (1932-07-01), Fisk
patent: 2032162 (1936-02-01), Zahodiakin
patent: 2165871 (1939-07-01), Rector
patent: 2218321 (1940-10-01), Wurtele
patent: 2868187 (1959-01-01), Meurer
patent: 2869532 (1959-01-01), Sourdillon
patent: 3728994 (1973-04-01), Bachle
patent: 3903855 (1975-09-01), Klakulak et al.
patent: 3995609 (1976-12-01), Klomp
patent: 4094277 (1978-06-01), Goto et al.
patent: 4300492 (1981-11-01), Bart
Liebert, et al., "Industry Tests of NASA Ceramic Thermal Barrier Coating", Jun. 1979, pp. 5, 9, 22 of NASA Technical Paper 1425.

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