Invention Grant
- Patent Title: Method and system of reducing false actuation of safety brakes in elevator system
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Application No.: US15966929Application Date: 2018-04-30
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Publication No.: US11046552B2Publication Date: 2021-06-29
- Inventor: Sandeep Sudi , Joseph Crute , Arthur T. Grondine , Randall S. Dube , Daryl J. Marvin
- Applicant: OTIS ELEVATOR COMPANY
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: B66B1/32
- IPC: B66B1/32 ; B66B5/04 ; B66B5/06 ; B66B5/00
Abstract:
A method of avoiding unnecessary safety brake actuation in an elevator system. The method includes determining whether a true overspeed or overacceleration condition of an elevator car is present. The method also includes activating the electronic safety actuator if a true overspeed or overacceleration condition of the elevator car.
Public/Granted literature
- US20190300331A1 METHOD AND SYSTEM OF REDUCING FALSE ACTUATION OF SAFETY BRAKES IN ELEVATOR SYSTEM Public/Granted day:2019-10-03
Information query
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