Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuya Matsumoto0
Makoto Uchimi0
Date of Patent
February 27, 2024
0Patent Application Number
169296130
Date Filed
July 15, 2020
0Patent Citations
Patent Primary Examiner
Patent abstract
A work machine includes a housing, a motor positioned on an upper surface of the housing, a battery connected with the motor, and a blade to be driven by the motor. An air introduction member that cools a control device by causing air to flow is provided on an inside of a motor case. Plural bottom surface ventilation ports and plural side surface ventilation ports are provided in the motor case. Both of the ventilation ports cause air to flow into the inside of the motor case. The plural bottom surface ventilation ports and the plural side surface ventilation ports are disposed at positions lower than the air introduction member and the control device.
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