EP 3287403 A1 20180228 - ELEVATOR
Title (en)
ELEVATOR
Title (de)
AUFZUG
Title (fr)
ASCENSEUR
Publication
Application
Priority
JP 2016155183 A 20160808
Abstract (en)
The elevator includes a car (104), a drive unit for moving the car by rotating a rotary body connected to the car, a brake (102) for applying a braking force to the rotary body, an elevator control unit (2) for controlling an operation of the car, a brake control unit (20) for changing a brake torque of the brake stepwise for releasing upon reception of a start signal of the elevator from the elevator control unit (2), and a torque control unit (23) for controlling a torque of the drive unit to approximate the car speed to zero upon reception of the start signal of the elevator from the elevator control unit (2).
IPC 8 full level
CPC (source: CN EP)
B66B 1/30 (2013.01 - CN); B66B 1/304 (2013.01 - EP); B66B 1/32 (2013.01 - EP); B66B 1/36 (2013.01 - CN); B66B 5/00 (2013.01 - CN); B66B 11/028 (2013.01 - CN)
Citation (applicant)
JP 2015000796 A 20150105 - MITSUBISHI ELECTRIC CORP
Citation (search report)
- [XI] US 5247140 A 19930921 - IWASA MASAO [JP], et al
- [XI] CN 104671022 A 20150603 - MITSUBISHI ELECTRIC CORP
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3287403 A1 20180228; EP 3287403 B1 20210630; CN 107697772 A 20180216; CN 107697772 B 20191119; JP 2018024483 A 20180215
DOCDB simple family (application)
EP 17181466 A 20170714; CN 201710638748 A 20170731; JP 2016155183 A 20160808