Power equipment

Walk-behind power equipment includes: a main body provided with at least one front wheel and left and right rear wheels and a work unit; travel motors provided for the respective rear wheels; a handle extending from the main body rearward and upward; at least one of a tilt angle detector that detect...

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Bibliographic Details
Main Authors Fukano, Jun, Muraoka, Keisuke, Takeda, Masato
Format Patent
LanguageEnglish
Published 08.06.2021
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
CLEANING BEACHES
CLEANING OF PERMANENT WAYS
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CONTROLLING
DISPERSING
FISHING
FIXED CONSTRUCTIONS
FOG IN GENERAL
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MOTOR VEHICLES
MOWING
PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL
PERFORMING OPERATIONS
PHYSICS
REGULATING
SOIL WORKING IN AGRICULTURE OR FORESTRY
STREET CLEANING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TRAILERS
TRANSPORTING
TRAPPING
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Summary:Walk-behind power equipment includes: a main body provided with at least one front wheel and left and right rear wheels and a work unit; travel motors provided for the respective rear wheels; a handle extending from the main body rearward and upward; at least one of a tilt angle detector that detects a tilt angle of the main body and a load detector that detects a downward load applied to the handle; a yaw rate detector that detects a yaw rate; and a control unit that drive-controls the travel motors. The control unit determines whether the main body is in a rearward tilted state based on the tilt angle or the downward load, and if it is determined that the main body is not in the rearward tilted state, performs straight-line travel control to set a rotational speed difference between the travel motors to reduce the yaw rate.
Bibliography:Application Number: US201716342483