Invention Grant
- Patent Title: Brake control apparatus and a method of controlling an elevator brake
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Application No.: US15709104Application Date: 2017-09-19
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Publication No.: US11542118B2Publication Date: 2023-01-03
- Inventor: Ari Kattainen
- 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
- Main IPC: B66B1/32
- IPC: B66B1/32 ; B66B5/00 ; B66B5/02

Abstract:
The invention concerns a brake control apparatus and a method of controlling an elevator brake. The brake control apparatus comprises a first switch and a second switch connected in series with each other for selectively supplying current from a power source to an electrically operated actuator of an elevator brake. The control pole of the first switch and the control pole of the second switch are associated with an elevator safety circuit. The brake control apparatus further comprises a first monitoring circuit configured to indicate operation of the first switch and a second monitoring circuit configured to indicate operation of the second switch.
Public/Granted literature
- US20180002138A1 BRAKE CONTROL APPARATUS AND A METHOD OF CONTROLLING AN ELEVATOR BRAKE Public/Granted day:2018-01-04
Information query
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