Intake valve device for preventing adhesion of deposits

Details Intake valve device for preventing adhesion of deposits Intake valve device for preventing adhesion of deposits

1996-04-08

1997-09-02

Solis, Erick R.

Internal-combustion engines

Valve

Reciprocating valve

1231889, F01L 304, F01L 308

Patent

active

056620780

ABSTRACT:
An intake valve in an internal combustion engine comprises a valve stem and a valve head and moves up and down. On either of contact surfaces between the valve stem and a valve guide, annular and elongate grooves are formed to communicate with an intake port at the lower end. Lubricating oil invaded into a gap between the valve stem and the valve guide goes down through the grooves, gets out of the valve guide and adhere onto the valve head in the intake port. The oil on the valve head is washed down by fuel injected from a fuel injector.

REFERENCES:
patent: 1569455 (1926-01-01), Burwell
patent: 3037494 (1962-06-01), Kirkpatrick
patent: 3581728 (1971-06-01), Abraham
patent: 3809046 (1974-05-01), Kammeraad
patent: 3828756 (1974-08-01), Kammeraad et al.
patent: 4103662 (1978-08-01), Kammeraad
patent: 4465040 (1984-08-01), Pelizzoni
patent: 4706967 (1987-11-01), Ochsner
patent: 4768479 (1988-09-01), Kammeraad
patent: 5465691 (1995-11-01), Capaldo

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