Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Patent
1984-09-20
1985-06-18
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
123 9012, 123 9017, 123 9027, 123308, 123432, F01L 134
Patent
active
045235503
ABSTRACT:
A valve disabling device has an engaging member and an urging member slidably disposed, respectively, in first and second axial bores formed within, respectively, first and second rocker arm means, one of which engages a valve actuating cam. The engaging member is displaceable within the first axial bore by means of pressure applying means, into the second axial bore for driving coupling of the first and second rocker arm means whereby a pair of inlet valves or exhaust valves corresponding to the first and second rocker arm means make valving motions in unison with each other, or out of the second axial bore for disconnection of the first and second rocker arm means from each other to disable part of the valves. Biasing means biases the engaging member into the second axial bore irrespective of operation of the pressure applying means, to correspondingly bias the urging member into a predetermined position where a portion thereof is projected out of the second axial bore. Retaining means holds the urging member in the predetermined position, thus drivingly coupling the two rocker arm means.
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Honda Shoichi
Makota Hirano
Matsuura Masaaki
Nakano Yoshikatsu
Honda Giken Kogyo Kabushiki Kaisha
Lazarus Ira S.
Lessler Arthur L.
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