Valve seat

Details Valve seat Valve seat

1996-10-31

1998-05-05

Solis, Erick R.

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

B23P 1300

Patent

active

057459932

ABSTRACT:
A method of forming and a cylinder head for a reciprocating machine wherein the valve seat inserts can be formed from relatively small insert rings. The insert rings are fixed in place and are configured so that the end of the passage terminating in the chamber of the machine has substantially no straight sections and progressively increases in diameter toward the chamber which it serves.

REFERENCES:
patent: 3428035 (1969-02-01), Stefan et al.
patent: 4248191 (1981-02-01), Albert
patent: 4336432 (1982-06-01), Bajorek
patent: 4502433 (1985-03-01), Becker, Jr. et al.
patent: 4522161 (1985-06-01), Slee
patent: 4570585 (1986-02-01), Hayashi
patent: 4791259 (1988-12-01), Pfaffmann
patent: 4831976 (1989-05-01), Pozniak et al.
patent: 4896638 (1990-01-01), Shepley
patent: 5492091 (1996-02-01), Russ
patent: 5586530 (1996-12-01), Adachi et al.
European Search Report dated Jun. 16, 1996.

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