Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshihiko Yamagishi0
Shinsaku Nakayama0
Toru Yuki0
Date of Patent
October 30, 2018
Patent Application Number
15610900
Date Filed
June 1, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a control apparatus of a walk-behind electric lawn mower equipped with an electric motor, a blade cutter connected to the electric motor, a rechargeable battery connected to the electric motor, a motor driver circuit to adjust supply of operating electric power to the electric motor, ON/OFF of a first switching element disposed in a current path connecting the battery and the electric motor and a second switching element interposed in the current path in series with a braking resistor to allow charge current from the electric motor to the braking resistor, wherein operation of the first and second switching elements are controlled based on detected battery temperature and internal voltage of the motor driver circuit.
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