HANDHELD ENGINE-DRIVEN WORKING MACHINE

An engine-driven working machine includes a controller, which varies a control value of a solenoid valve so as to decrease or increase an opening degree of the solenoid valve when a rotating speed of an engine is within a predetermined high rotating speed range and the rotating speed of the engine i...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAKI Hiroyuki, YAMAZAKI Akira, OTSUJI Takamasa, MATSUMOTO Kosuke, YAMAGUCHI Shiro
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COMPONENTS OR ACCESSORIES THEREFOR CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS SAWS FOR WOOD OR SIMILAR MATERIAL TRANSPORTING WEAPONS WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	An engine-driven working machine includes a controller, which varies a control value of a solenoid valve so as to decrease or increase an opening degree of the solenoid valve when a rotating speed of an engine is within a predetermined high rotating speed range and the rotating speed of the engine is lower or higher than a predetermined rotating speed, respectively. In case the controller determines that the engine-driven working machine gets started saw cutting, the controller stops varying the control value of the solenoid valve when the rotating speed of the engine is within the predetermined high rotating speed range and lower than the target rotating speed.