ClassID:

81833

B66B1/304 - CPC Classification

Classification description:

Control systems of elevators in general; Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor with starting torque control

Recent Application in this class:
#1
20250145409
2025-05-08

ELEVATOR RUN PROFILE ADAPTATION METHOD

#2
20250051130
2025-02-13

METHOD FOR DETERMINING A LEAD TORQUE OF AN ELEVATOR SYSTEM

#3
20230150794
2023-05-18

DRIVE SYSTEM AND METHOD FOR CONTROLLING A DRIVE SYSTEM

#4
20220135367
2022-05-05

ELEVATOR CONTROL DEVICE

#5
20210300722
2021-09-30

METHODS FOR IDENTIFYING AT LEAST ONE PARAMETER OF A PERMANENT MAGNET MOTOR OF AN ELEVATOR, ELEVATOR DRIVE UNITS, AND ELEVATORS

#6
20190031470
2019-01-31

BRAKE TORQUE DETECTION FOR ELEVATOR BRAKE

#7
20170349396
2017-12-07

Method for determining a stator current vector for starting a synchronous machine of a drive of a passenger transportation apparatus

#8
20170222577
2017-08-03

Method and apparatus for controlling motion in a counterbalancing system

#9
20170101289
2017-04-13

Method for controlling an elevator

#10
20170008730
2017-01-12

Method and apparatus for automatic determination of elevator drive configuration

#11
20160214833
2016-07-28

Method of eliminating a jerk arising by accelerating an elevator car

#12
20140374194
2014-12-25

Method and apparatus for controlling an electric motor of an elevator without an encoder

#13
20130146397
2013-06-13

Method of controlling elevator motor according to positional value and rotational speed

#14
20130126276
2013-05-23

Control device of elevator

#15
20130075200
2013-03-28

Elevator system using a movement profile

#16
20120318613
2012-12-20

Method and device for the startup of an electric drive of an elevator

#17
20120061187
2012-03-15

CONTROL DEVICE FOR ELEVATOR

#18
20110303493
2011-12-15

Brake torque control

#19
20110056771
2011-03-10

Elevator control device with carrier frequency switch circuit