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Reduction hyper u drive
In addition, the Resource Manager provides console access to the individual managed systems via the BMC KVM feature.
This was the starting point for the development of valve pausing mechanism (REV: Revolution-modulated valve control which was applied to the CBR400F in concours public architecte 1983.
In December 2003, spec III was introduced.Pause the operation of valves on both inlet and exhaust sides at the rate of one each per cylinder.Accelerated drive noise measured by the method specified sujet concour infirmier oral by European legal control (EEC87/56) was reduced.7.0dB both in the second gear and third gear despite an increase in the speed from approximately 10.Honda has thus far developed variable valve control systems, such as the REV alexandre gagnant des douze coups de midi mechanism developed for motorcycles in 1983, vtec mechanism having further developed the REV mechanism and recognized worldwide for application to automobiles and various vtec mechanisms controlling variable valves by incorporating hydraulic circuit.
Revolution responding type valve pausing mechanism "REV".
Concerning the mechanism of drive noise reduction, it was confirmed that the sound pressure level inside the induction and exhaust pipes was reduced with the shift to two valves, and at certain revolution range the blow-down pressure was reduced at the beginning of the opening.
The development of "direct-actuated type" valve control system started, aiming at these goals.
This is an epoch-making system as switchover is made from two-valves to 4-valves per cylinder in the low and medium speed range and the high speed range is completed in the valve lifter without using the locker-arms, so the increase of mass is checked.In sports type motorcycle engines, especially in 4-stroke engines of medium displacement, the maximum revolution reaches to a level as high as 13,500rpm.An epoch-making variable valve system came into being, which enables to switch over from two valves to four valves.Moreover, it has answered some of your questions as well.Yep, this is very true.
From REV to vtec.
It was revealed in the analysis of these issues that the large bore ports for achieving high revolution and high power and for reducing air inlet resistance and the intake and exhaust system with a pleural number of intake and exhaust valves hindered obtaining good.