Internal-combustion engines – Poppet valve operating mechanism – Valve driven closed
Patent
1987-05-19
1988-07-05
Argenbright, Tony M.
Internal-combustion engines
Poppet valve operating mechanism
Valve driven closed
123 9027, F01L 130
Patent
active
047547286
ABSTRACT:
A four-valve cylinder head for internal combustion engines, in which the valves are operated desmodromically, each by a pair of rockers, one for closing and the other for opening the respective valve, each rocker being mounted on a separate support pin, and the rockers being controlled by parallel camshafts.
REFERENCES:
patent: Re14228 (1916-12-01), MacVicar
patent: 1544784 (1925-07-01), Thomas
patent: 2751895 (1956-06-01), Gassmann
patent: 3098472 (1963-07-01), Hoenick
patent: 3430614 (1969-03-01), Meacham
patent: 4686945 (1987-08-01), Inagaki et al.
Bordi Massimo
Mengoli Gianluigi
Argenbright Tony M.
Ducati Meccanica S.p.A.
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