Internal-combustion engines – Poppet valve operating mechanism – With compound movement of cam follower
Patent
1987-05-12
1988-06-07
Wolfe, Willis R.
Internal-combustion engines
Poppet valve operating mechanism
With compound movement of cam follower
123 9015, F01L 134
Patent
active
047489456
ABSTRACT:
Disclosed is a valve gear for use in a four-cycle engine which eliminates the necessity of providing a cam shaft. In the valve gear, a guide or guides, each of which is shaped like a closed curve making two rounds of a crank shaft with one intersection on the way, are provided. An air-intake valve and/or exhaust valve are controlled in accordance with the movement of a slider member sliding along the guide or guides.
REFERENCES:
patent: 701891 (1902-06-01), Kelsey
patent: 893675 (1908-07-01), Thier
patent: 1102717 (1914-07-01), Brown
patent: 1248597 (1917-12-01), Baker
patent: 1323803 (1919-12-01), Zanaletti
patent: 2485951 (1949-10-01), Zimmerman
patent: 4697555 (1987-10-01), Fujikawa et al.
Fujikawa Tetsuzo
Hirata Makizo
Tamba Shinichi
Kawasaki Jukogyo Kabushiki Kaisha
Okonsky David A.
Wolfe Willis R.
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