Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1989-10-27
1991-02-19
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9031, F01L 134
Patent
active
049933701
ABSTRACT:
A valve driving mechanism includes a pair of cam shafts for driving either an intake valve or an exhaust valve, and a power transmitting device provided on said first cam shaft for driving the cam shafts. A phase varying device of annular configuration is provided between the cam shaft and the power transmitting device for varying a relative rotation phase between the cam shaft and the power transmitting device so that a compact valve timing control can be provided.
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Abe Ryoji
Hashiyama Kouichi
Hatamura Kouichi
Iwata Noriyuki
Okita Junichi
Lo Weilun
Mazda Motor Corporation
Myhre Charles J.
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