Patents
Patents for B66B 1 - Control systems of elevators in general (12,295)
07/1990
07/10/1990US4940117 Procedure for the tuning of the position controller of an elevator
07/04/1990EP0376019A1 Cable load measuring device
07/03/1990US4939679 Recalibrating an elevator load measuring system
07/03/1990US4939634 Group control overload protection for elevators with immediate allocation of calls of destination
07/03/1990US4938119 Valve means
06/1990
06/28/1990DE3941947A1 Shaft conveying machine cable winch drive - uses two three=phase asynchronous machines with slip-ring rotors coupled via electric line
06/27/1990CN1043289A Braking device for elevator winding machine and elevator using the braking device
06/26/1990CA1270967A1 Elevator system having an improved selector
06/20/1990EP0373280A1 Hydraulic elevator system
06/14/1990WO1990006623A1 Control system for a motor
06/13/1990EP0372575A2 Encoder installing structure
06/13/1990CN2058173U Single chip controller for a.c. elevator
06/13/1990CN1043025A Remote monitor and diagnosis apparatus for elevator or the like
06/12/1990US4932502 Hydraulic elevator system
06/06/1990CN2057918U Floors selector of lift
06/06/1990CN1008271B Controlling apparatus of elevator
06/06/1990CN1008270B Method and device for probing position of cages in hydraulic elevator
06/05/1990US4932069 Elevator motor control
06/05/1990US4930604 Elevator diagnostic monitoring apparatus
06/05/1990US4930603 Method and apparatus for serving the passenger traffic at a main floor of an elevator installation
05/1990
05/31/1990WO1990005693A1 Device for obtaining information concerning an elevator shaft
05/23/1990CN2057414U Automatic controller for straight movement of elevator
05/23/1990CN2057413U Computer controller for elevator
05/22/1990US4928021 Elevator control apparatus
05/22/1990US4926976 Method and apparatus for the control of elevator cars from a main floor during up peak traffic
05/16/1990CN1042131A Elevator controlling apparatus
05/16/1990CN1042130A Group controlling apparatus in elevator
05/09/1990EP0367388A1 Elevator diagnostic monitoring apparatus
05/09/1990EP0366883A1 Method and device for carrying out the process for absorbing the vibrations of the compartments of fast moving lifts
05/08/1990US4924416 Apparatus for detecting relative crowding in a hall
05/08/1990US4923055 Safety mechanism for preventing unintended motion in traction elevators
05/02/1990EP0366097A1 Method and apparatus for the measurement and tuning of an elevator system
05/02/1990EP0365782A1 Method and device for the group control of double-compartment lifts
05/02/1990CN1007807B Apparatus for operating elevator of winding drum type
04/1990
04/25/1990CN1007723B Group control apparatus for elevator
04/24/1990CA1268270A1 Device for limiting the overloading of hoisting machines
04/24/1990CA1268206A1 Method of and apparatus for controlling the braking resistor of a frequency converter
04/19/1990DE3934492A1 Emergency braking device for lift cage - uses wedges cooperating with guide rail controlled to maintain uniform braking
04/18/1990CN1041330A 电梯控制系统 Elevator control system
04/18/1990CN1007686B Apparatus for controlling ac elevator
04/10/1990US4916368 Controlling method and device for permanent magnet synchronous motor
04/10/1990US4915197 Elevator call registering and indicating device
04/04/1990EP0361016A1 Control and indicator element for lifts in buildings with explosion risks
03/1990
03/28/1990CN1040769A Group controller of elevator for assigning calls aim-floors immediately
03/21/1990CN2054783U Given partial pressure sliding plate used for electric elevator
03/21/1990CN1007235B Controlling apparatus of elevator
03/21/1990CN1007234B Method and apparatus for reducing gear backlash impacts in an elevator system
03/20/1990US4909279 Fluid control valve
03/14/1990EP0357936A1 Dynamic selection of elevator call assignment scan direction
03/14/1990EP0357888A1 Method and device for generating lift shaft information
03/14/1990CN1040351A Apparatus for transmitting signal to monitoring elevators
03/13/1990US4908563 Method and device for braking a squirrel-cage motor
03/13/1990CA1266729A1 Elevator communication controller
03/07/1990EP0356731A1 Grouped control affording instantaneous attribution of destination calls
03/07/1990CN2054027U Ac control system for speed of elevator
03/07/1990CN1040180A Signal transmission apparatus in elevators
02/1990
02/27/1990USRE33171 Hydraulic elevator
02/20/1990US4902954 Alternating current motor control apparatus
02/20/1990US4901822 Group supervisory apparatus for elevator
02/14/1990EP0354772A2 Recalibrating an elevator load measuring system
02/06/1990CA1265631A1 Group control for elevators
01/1990
01/31/1990CN1039229A Method for solving passenger traffic at holt of electric lift
01/24/1990CN1038994A Elevator controlling apparatus
01/24/1990CN1006543B Speed control apparatus for elevator
01/24/1990CN1006542B Management equipment for group of elevators
01/23/1990US4895223 Method for sub-zoning an elevator group
01/17/1990CN2051221U Multi-compartment circulating lift computer controller
01/17/1990CN1006513B Lift control apparatus
01/10/1990CN2050839U Elevator controlling device
01/10/1990CN1038627A Elevator controlling apparatus
01/10/1990CN1006376B Spare signal means for indicating lift position
01/10/1990CN1006375B Control apparatus for alternating elevator
01/03/1990CN1006294B Multicompartment elevator call assigning
12/1989
12/27/1989EP0348152A2 Queue based elevator dispatching system using peak period traffic prediction
12/27/1989EP0348151A2 Optimized "up-peak" elevator channeling system
12/27/1989CN2050031U Monoboard computer plane-layer device
12/27/1989CN1006217B Device for indicating elevator remove
12/27/1989CN1006216B Speed control device for elavator
12/27/1989CN1006215B Speed control device for elevator
12/21/1989DE3819934A1 Lift with an economy drive
12/20/1989CN2049639U Computer controlled floor selector for elevator
12/19/1989US4887695 Position control method and apparatus for an elevator drive
12/13/1989CN1006054B Elevator speed control apparatus
12/07/1989DE3818856A1 Passenger lift for two-storey dwelling houses
12/05/1989CA1263773A1 Elevator system
11/1989
11/29/1989CN1037488A Elevator control apparatus
11/29/1989CN1037487A Elevator control system
11/29/1989CN1005910B Control device for elevator
11/22/1989CN1037316A Elevator group control system
11/21/1989CA1263068A1 Electrically controlled valve apparatus
11/15/1989EP0342008A2 Weighted relative system response elevator car assignment system
11/15/1989EP0341381A1 Method and device for the secure and easy input of control commands, especially for lifts
11/15/1989CN1037124A Lifter controlling device
11/15/1989CN1037123A Elevator control apparatus
11/15/1989CN1037122A Customer participatory elevator control system
11/15/1989CN1037121A Group-control method and apparatus for elevator system with plural cages
11/14/1989US4880082 Method for determining the position of an elevator car and a pulse count based floor selector
11/14/1989CA1262874A1 Elevator car
11/07/1989US4878562 Group control for elevators with load dependent control of the cars
11/01/1989CN1005624B Elevator rescue apparatus during stoppage of power supply