Internal combustion engine with improved exhaust valve arrangeme

Details Internal combustion engine with improved exhaust valve arrangeme Internal combustion engine with improved exhaust valve arrangeme

1977-02-04

1978-09-26

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

041161807

ABSTRACT:
Exhaust gases, which are slightly cooler than normal due to NOx suppressing ignition of the charge containing a large amount of recirculated gas by dual spark plugs, are exhausted via a large diameter exhaust valve to reduce the time for which they exceed the speed of sound and transfer heat to the cylinder head to maintain a high CO and HC oxidizing temperature. The exhaust valve is diametrically opposed to the inlet valve and has a cross sectional area of 19 to 24% of the cylinder bore.

REFERENCES:
patent: 1171211 (1916-02-01), Keiper
patent: 1459630 (1923-06-01), Spina
patent: 1722145 (1929-07-01), Hermann
patent: 2257631 (1941-09-01), Wahlberg
patent: 2576851 (1951-11-01), Angle
patent: 3164143 (1965-01-01), Dolza
patent: 3219019 (1965-11-01), Palmer
patent: 3885535 (1975-05-01), Suter
patent: 3901203 (1975-08-01), Pozniak
patent: 3945365 (1976-03-01), Regueiro
patent: 4031867 (1977-06-01), Yasuda et al.

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