Engine valve timing

Details Engine valve timing Engine valve timing

1984-04-05

1986-12-30

Lall, Parshotam S.

Boots, shoes, and leggings

123 9016, F01L 134

Patent

active

046334033

ABSTRACT:
A method of optimizing valve timing events for a modern high speed internal combustion engine for the purpose of improving fuel economy during idle, high speed performance and allowing for a leaner fuel/air ratio during idle. The method is based on an analytical treatment of the instantaneous relationship between valve flow area and the changes in cylinder volume occurring because of piston motion.

REFERENCES:
patent: 2997991 (1961-08-01), Roan
patent: 3361122 (1968-01-01), Wagner
patent: 3981281 (1976-09-01), Deschler et al.
patent: 4054109 (1977-10-01), Herrin et al.
patent: 4221199 (1980-09-01), Buuck et al.
patent: 4261307 (1981-04-01), Oldberg
patent: 4327676 (1982-05-01), McIntire et al.

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