Class / Patent application number | Description | Number of patent applications / Date published |
187277000 |
With specific electrical component
| 146 |
187305000 |
Actuated by load support speed sensor or governor
| 9 |
187306000 |
Actuated by human operator engaging specific input part | 3 |
20150075918 | ELEVATOR - The invention relates to an elevator comprising an elevator car comprising a cabin box provided with a floor, a roof, walls and preferably also door(s) each delimiting an interior space for receiving a load to be transported with the elevator car. The elevator further comprises at least two landings, a motor for moving the elevator car and a control system for controlling the motor, wherein the control system is provided with an automatic control mode and a manual control mode, in which automatic control mode the motor is arranged to be automatically controlled by the control system move the elevator car automatically from one landing to another, and in which manual control mode the motor is arranged to be manually controllable to move the elevator car a manually controllable distance upwards or downwards. The elevator further comprises an operating unit for said manual control, the operating unit being mounted on the elevator car and comprising operating means operable manually by a user for said manual control. The car comprises a blocking means operable by a user positioned inside said interior space, the state of the blocking means being changeable between a blocking state and an unblocking state, in which blocking state the blocking means block operation of the operating means for said manual control by a user positioned inside said interior space, and in which unblocking state the blocking means allow operation of the operating means for said manual control by a user positioned inside said interior space, the operating unit being positioned such that the operating means thereof are operable by a user positioned inside said interior space after operation of the blocking means to change their state from blocking state to said unblocking state. | 03-19-2015 |
20130133984 | SAFETY BRAKE WITH RESETTING - In an elevator installation an elevator cage is arranged to be movable along guide rails and the elevator cage is equipped with a brake system possibly with two safety brakes. The safety device is activated by way of control devices which can trigger the safety device from critical or non-critical events. The control devices further include a function for automatic resetting of the safety brake when an event, which is evaluated as non-critical, is indicated as a reason for triggering the safety brake. Resetting of the safety brake takes place through execution of pre-defined resetting steps of the elevator cage. | 05-30-2013 |
20130270045 | Elevator Control Systems - An elevator control system includes a control power supply, a computing core in communication with the control power supply, a communication power supply in communication with the computing core, and a sleep monitor in communication with the control power supply, the computing core, and the communication power supply. The sleep monitor is disposed to selectively turn on/off the control power supply and the computing core, and the sleep monitor is disposed to selectively change an operating state of the communication power supply to a low voltage state. | 10-17-2013 |
187301000 |
Actuated by location of access barrier or its lock | 2 |
20110114422 | ELEVATOR SAFETY ARRANGEMENT HAVING SAFETY SPACES - An elevator safety arrangement and a method for implementing safety spaces in an elevator has a mechanical safety device which can be set to a working position to ensure a sufficient safety space in the elevator shaft and an electric safety system for identifying the operating state of the mechanical safety device. An electric safety controller comprises means for measuring the total resistance of a series circuit. The method includes reading the number of landing doors open by means of detectors fitted in conjunction with the landing doors, reading the number of elevator car doors open by means of detectors fitted in conjunction with the elevator car doors, and reading the position of a mechanical safety device by means of detectors fitted in conjunction with the mechanical safety device. If it is established that number of landing doors open is greater than the number of elevator car doors open, then setting the safety system into a ‘person in shaft’ state and preventing operation of the elevator. If it is established during the ‘person in shaft’ state of the safety system that the number of landing doors open is equal to the number of elevator car doors open and that the mechanical safety device has been set to a working position, then allowing maintenance operation. | 05-19-2011 |
20110272216 | ELEVATOR DEVICE AND METHOD OF INSPECTING SAME - In an elevator apparatus, an operation control section controls an operation of a car. Further, a safety monitoring section detects an abnormal state of targets to be monitored during running of the car to stop the running of the car. A safety-monitoring-function inspection section inspects a function of the safety monitoring section. The safety-monitoring-function inspection section causes the safety monitoring section to detect a transition of a state of the targets to be monitored to the abnormal state regardless of an actual state of the targets to be monitored while the car is running under control of the operation control section. | 11-10-2011 |
187300000 |
Actuated by presence of obstruction in shaft | 1 |
20110083926 | ELEVATOR ARRANGEMENT AND METHOD IN ELEVATOR MAINTENANCE - An elevator arrangement, comprising an elevator car arranged to move in an elevator shaft or equivalent, preferably along car guide rails, and an element which is disposed in the elevator shaft or equivalent and is shiftable between an activated state and an inactivated state, and an activating device for shifting the said element between the activated and inactivated states. The activating device includes a flexible element, such as e.g. a rope or equivalent, movably attached to a fixed structure of the elevator shaft or equivalent, and the said flexible element is connected to the said shiftable element in a manner permitting the shiftable element to be shifted by means of the flexible element. | 04-14-2011 |
187302000 |
Actuated by load support contacting trip in shaft | 1 |
20100155184 | ELEVATOR HAVING A SHALLOW PIT AND/OR A LOW OVERHEAD - The elevator has a car movable vertically within a shaft between lower and upper end positions and a drive system coupled to a traction system for controlling movement of the car. A limit switch which is open when the car is in a selected distance range from one of the end positions. The limit switch forms part of a power line supplying power to the drive system for controlling movement of the car in a direction towards that end position in an inspection operation. Thus movement of the car is prevented only in that direction when the car is in the selected distance range in an inspection operation. | 06-24-2010 |
Entries |
Document | Title | Date |
20080302611 | Machine Room with a Raised Work Platform in Front of the Controller for Elevators and Elevator Equipped Therewith - The machine room according to the invention with a flat rope or thin rope drive machine is, characterized in that the elevator controller device ( | 12-11-2008 |
20090120725 | Elevator arrangement - The present invention discloses an arrangement and a method for controlling the power supply of the load of an elevator system. The arrangement comprises at least a monitoring unit ( | 05-14-2009 |
20100038183 | Elevator Car With Maintenance Window - The invention relates to an elevator car which is suitable for elevators in which all of the elements which are to be maintained and checked are arranged outside the elevator car, opposite only one side of the elevator car. Said elevator car comprises, on said side, one part ( | 02-18-2010 |
20100224452 | LIMITATION OF THE LOADING OF A POWER SOURCE - The invention relates to an arrangement and a method for limiting the input power of a power supply appliance ( | 09-09-2010 |
20110114421 | ELEVATOR BRAKE WITH MAGNETO-RHEOLOGICAL FLUID - An elevator brake assembly includes a braking fluid for providing a braking force. A first magnet provides a first magnetic field that influences the braking fluid to provide the braking force. The second magnet selectively provides a second magnetic field that controls how the first magnetic field influences the braking fluid to control the braking force. | 05-19-2011 |
20120217097 | METHOD IN CONNECTION WITH AN ELEVATOR SYSTEM, AND AN ELEVATOR SYSTEM - The invention relates to an elevator system and also to a method for detaching an elevator car and/or a counterweight from a safety gear. In the method torque pulses are produced with the hoisting machine of an elevator, for detaching a gripped stuck elevator car and/or a gripped stuck counterweight. | 08-30-2012 |
20130075200 | ELEVATOR SYSTEM - An elevator system includes an elevator car and also a motor drive for moving the elevator car according to a movement profile to be determined for the movement of the elevator car. The loading of the motor drive is arranged to be limited to the limit value for the maximum permitted loading by changing the value of a movement magnitude of the elevator car in the movement profile of the elevator car when the position of the elevator car changes. | 03-28-2013 |
20130081905 | BRAKE ASSEMBLY - An elevator brake component used in a friction brake of an elevator includes a metal plate that is frictionally engaged with another brake component when the elevator brake is engaged. The plate includes a non-stick finish on the metal plate on a surface of the plate that is frictionally engaged when the elevator brake is engaged by the other brake component. | 04-04-2013 |
20130213744 | ENERGY MANAGEMENT SYSTEM - There is provided an energy management system for managing a current flow in a machine having a lift element being vertically movable by a motor assembly. The energy management system includes a power supplying bus for supplying the motor assembly, a battery source, an energy storage device and an associated controller, and a main controller for controlling the energy-storage-device controller and thus the powering of the motor assembly, while factoring a height and a movement of the lift element. The system generally seeks to manage the energy flow between the battery, motors and supercapacitors so as to maintain the battery current as low as possible by controlling the motor's speed, to maintain the battery power demand constant over time, and to store the regenerated energy into supercapacitors in order to avoid recharging the battery during operation, as well as to maintain the supercapacitors energy level as high as possible. | 08-22-2013 |
20140014443 | HOIST - The purpose of the present invention is to provide a hoist that has a simple configuration while being capable of withstanding heavy loads. Accordingly, the hoist ( | 01-16-2014 |
20140166407 | ENERGY USE IN ELEVATOR INSTALLATIONS - An elevator installation with an elevator unit, which is connected with a power supply mains, is controllable by an elevator control with consideration of first control information based on local requirements of users. The elevator control receives from the power supply mains second control information containing status data for the power supply mains. The first and second control information is evaluated by the elevator control. The elevator control influences operation, which is determined by the first control information, of the elevator installation in dependence on the second control information so as to enable desired operation in terms of energy. A monitoring unit, which determines status data for the power supply mains and provides information for the consumers, is connectible with the power supply mains. The monitoring unit creates second control information for the elevator control in dependence on loading of the power supply mains. | 06-19-2014 |
20140166408 | Drive and Elevator Electronics in Bedplate - A bedplate assembly is provided. The bedplate assembly may include a support member having a mounting surface for receiving a machine, a compartment internally disposed within the support member, and electronics disposed within the compartment. | 06-19-2014 |
20150060209 | ELEVATOR LINE BRIDGE FILTER FOR COMPENSATING REACTIVE POWER IN A GRID - The invention relates to a method and an electrical converter of an elevator. In the method a controller of the electrical converter determines a first reactive power produced by a smoothing filter using pre-determined information on impedance of the smoothing filter. The controller may also receive information on a second reactive power from a remote node over a communication channel, the second reactive power being produced to a grid. The controller adds the first reactive power and the second reactive power to yield a total reactive power. The controller requests the electrical converter to make a plurality of compensative connections in the converter matrix to compensate the first reactive power or the total reactive power. | 03-05-2015 |
20150144434 | ADAPTIVE POWER CONTROL FOR ELEVATOR SYSTEM - A system for managing power in an elevator system, the system including an elevator controller; an elevator car in communication with the controller; a component associated with the elevator car; a power management system in communication with the controller; and a database in communication with the power management system, the database including a power profile; wherein the power management system provides power commands to the elevator controller to enter a power savings mode in response to the power profile, the controller sending a power off signal to the component in response to the power command. | 05-28-2015 |
20150329320 | METHOD FOR DETERMINING THE BALANCING WEIGHT DIFFERENCE IN AN ELEVATOR - In a method for performing a balance check with an elevator, a power model of the elevator is established, including the motor power fed to the motor (P | 11-19-2015 |
20150353321 | ENHANCED DECELERATION PROPULSION SYSTEM FOR ELEVATORS - An elevator system includes a first propulsion system for imparting linear motion to an elevator car; a controller generating control signals for the first propulsion system; a brake for holding the elevator car; an energy storage unit; and a second propulsion system; the controller configured to at least one of (i) access the energy storage unit to power at least one of the first propulsion system and second propulsion system upon a fault during upward travel of the elevator car (ii) power the second propulsion system upon a fault in the first propulsion system during upward travel of the elevator car and (iii) delay applying the brake until the elevator car speed is less than a threshold upon a fault during upward travel of the elevator car. | 12-10-2015 |
20160039634 | ELEVATOR CONTROL PANEL, AND AN ELEVATOR - An elevator control panel and an elevator including the elevator control panel are provided. The elevator control panel has an input, via which the main circuit of the elevator is brought to the control panel, and an output, via which the main circuit of the elevator is taken onwards out of the control panel. The control panel includes a main switch, which is connected to the main circuit of the elevator for disconnecting/energizing the main circuit leaving from the control panel. The control panel also includes a bent busbar, which is connected to the main circuit of the elevator, in series with the aforementioned main switch. | 02-11-2016 |