Invention Grant
- Patent Title: Mechanism for improving safety for an elevator system
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Application No.: US16460466Application Date: 2019-07-02
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Publication No.: US11667494B2Publication Date: 2023-06-06
- Inventor: Ari Kattainen , Antti Hovi
- Applicant: KONE Corporation
- Applicant Address: FI Helsinki
- Assignee: KONE CORPORATION
- Current Assignee: KONE CORPORATION
- Current Assignee Address: FI Helsinki
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: EP 154755 2017.02.06
- Main IPC: B66B5/00
- IPC: B66B5/00 ; B66B5/02

Abstract:
A safety control device applicable to an elevator system including an elevator car driven in an elevator shaft by means of a drive device, said safety control device comprising at least one sensor configured to detect, in the elevator shaft, a presence of an object in at least one specified area of the elevator shaft, and a controller configured to receive and process a signal of the at least one sensor indicating a detection result, and to conduct, when the detection result indicates the presence of an object in the at least one specified area of the elevator shaft, a safety procedure in which a switch from a normal drive control of the drive unit to a safety drive control is executed in which a target value set for the speed of the elevator car is decreased.
Public/Granted literature
- US20190322485A1 MECHANISM FOR IMPROVING SAFETY FOR AN ELEVATOR SYSTEM Public/Granted day:2019-10-24
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