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:
May. 11, 2021
Filed:
Sep. 14, 2020
Kone Corporation, Helsinki, FI;
Tapio Tyni, Helsinki, FI;
Pekka Perälä, Helsinki, FI;
KONE CORPORATION, Helsinki, FI;
Abstract
A conveyor arrangement, a conveyor system and a method for determining a load estimate in a people conveyor arrangement, such as an escalator arrangement or horizontal or inclined autowalk arrangement include using a power model of the people conveyor arrangement, which power model includes e.g. motor model components and/or people conveyor model components, having at least a friction monitoring mode, and determining in the friction monitoring mode a friction estimate of the conveyor arrangement based at least in part on the measured or determined motor power, the power model of the people conveyor arrangement, and a speed of the step or pallet chain and/or a speed of the handrail.