Overhead-valve engine having non-parallel inlet and outlet valve

Details Overhead-valve engine having non-parallel inlet and outlet valve Overhead-valve engine having non-parallel inlet and outlet valve

1997-11-25

1999-10-26

McMahon, Marguerite

Internal-combustion engines

Poppet valve operating mechanism

Rocker

1231935, F01L 100

Patent

active

059709332

ABSTRACT:
A valve structure is disclosed which is mechanically simple and is suited for use in an overhead-valve engine having a hemi-spherical combustion chamber. In the valve structure, inlet valve 3 and exhaust valve 2 are positioned in such a manner that they incline substantially like a "V" in front view to form an acute angle therebetween. Positioned on a first inclined plane U1 are the longitudinal center lines 2a, 4a and 1a of the inlet valve 2, the associated push rod 4 and the associated rocker arm 1, which connects these, respectively. Positioned on a second inclined plane U2 are the longitudinal center lines 3a, 4a and 1a of the exhaust valve 3, the associated push rod 4 and the associated rocker arm 1, which connects these, respectively.

REFERENCES:
patent: 2769434 (1956-11-01), Witzky
patent: 2864351 (1958-12-01), Leach
patent: 3276438 (1966-10-01), Keinath
patent: 3949715 (1976-04-01), Faix et al.
patent: 4593662 (1986-06-01), Baring et al.
patent: 4724803 (1988-02-01), Williams

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