Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1981-11-27
1985-03-05
Feinberg, Craig R.
Internal-combustion engines
Valve
Valve head cooperates with manifold
123 9028, F01L 322
Patent
active
045024332
ABSTRACT:
A multi-fuel engine is capable of running on lead free gasoline, leaded gasoline, and liquid propane. The engine has a valve seat and an exhaust valve. The valve seat has a seating surface. The exhaust valve has an axis, a seating face, and is of dimensions sufficient for seating of the valve on the valve seat. The seating surface has a width in a range of about 2.30 to about 2.90 millimeters and defines an included angle in a range of about 110.degree. to about 130.degree. relative to the axis of the exhaust valve. Apparatus forcibly urges the seating face against the seating surface at a force in a range of about 200 to about 245 Newtons.
REFERENCES:
patent: 2270990 (1942-01-01), Bachle
patent: 2800122 (1957-07-01), Howell
patent: 2847981 (1958-08-01), Sampietro
patent: 2863428 (1958-12-01), Norton
patent: 3081754 (1963-03-01), Georges
Williams, C. G., "Valve Seat Wear", The Automobile Engineer, Jan. 1935, pp. 23-24.
Becker, Jr. Theodore
Congram Sam R.
McClung Carl L.
Caterpillar Tractor Co.
Feinberg Craig R.
Heming William B.
Wolfe W. R.
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