The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2022
Filed:
Jul. 24, 2019
Positec Power Tools (Suzhou) Co., Ltd, Suzhou, CN;
Federico Testolin, Vincenza, IT;
Davide Dalfra, Mantua, IT;
POSITEC POWER TOOLS (SUZHOU) CO., LTD, Suzhou, CN;
Abstract
A lawn mower including a housing; a walking mechanism, supporting the housing and driving the housing to move, and including at least one drive wheel; at least one motor to drive the at least one drive wheel to rotate; and a control apparatus, preset with a first and a second torque threshold. And when the motor is switched from a stopped state to a running state, the control apparatus controls a difference between a maximum operating output torque of the motor and the first threshold to be within a predetermined range, when the motor is in the running state, the control apparatus controls an operating output torque of the at least one motor to at most increase to the second threshold, the first threshold is less than or equal to a maximum output torque of the motor, and the second threshold is less than the first threshold.