| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm system in a combine harvester, capable of precisely informing an operator of the decrease of the number of revolution of an engine. SOLUTION: The alarm system for giving alarm when the number of the revolution of the engine is decreased to the prescribed alarm standard number of the revolution set in a low-revolution threshing zone A, or the number lower than the alarm standard number of the revolution, by setting a range H of the numbers of the revolution of the engine when carrying out a threshing operation by bringing the low revolution threshing zone A at a low revolution side near to a high revolution threshing zone B at a high revolution side, is installed, and an alarm-stopping means for stopping the alarm is installed in the alarm system. In another aspect, the first alarm standard number of the revolution in the low revolution threshing zone A, and the second alarm standard number of the revolution lower than the first alarm standard number of the revolution are set as the alarm standard numbers of the revolution, and the alarm is given at two points. COPYRIGHT: (C)2005,JPO&NCIPI
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