Internal-combustion engines – Two-cycle – Rear compression
Patent
1995-06-07
1997-05-20
Solis, Erick R.
Internal-combustion engines
Two-cycle
Rear compression
123196R, F01M 116, F01M 302
Patent
active
056303831
ABSTRACT:
A lubricating system and method of operating the system for an internal combustion engine wherein the amount of lubricant supplied to the engine from a positive displacement engine driven pump is varied by selectively delivering lubricant from the pump to the engine or bypassing the lubricant back to the return of the pump. The amount of lubricant supplied is varied by changing both the duty ratio of the lubricant supply and the duration of engine supply in response to a map of engine conditions. Various control routines are disclosed and in each the lubricant supplied to the engine is monitored so that once a finite amount of lubricant is supplied, lubricant is not supplied again to the engine until that amount previously supplied has been consumed.
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Izumi Toru
Kidera Hiroyuki
Solis Erick R.
Yamaha Hatsudoki Kabushiki Kaisha
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