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9041340 Systems and methods for in-vehicle charging of pallet jack batteries  
Systems and methods for in-vehicle charging of pallet jack batteries are provided. An example system allows using a power source of a host vehicle configured to provide power at voltage levels...
8827042 Elevator regenerative drive including an air core inductor  
An exemplary elevator machine includes a motor that operates in a first mode to move an elevator car and in a second mode to generate power. A line reactor is associated with the motor for...
8714313 Electrical power system with power limiting to network  
The invention relates to an electrical power system for operating elevators. The electrical power system includes: an electricity distribution network of a building, which includes an interface to...
8689944 Control of an electricity supply apparatus in an elevator system  
The invention relates to an electricity supply apparatus, an elevator system and a method for limiting the electricity consumption of an elevator system. The electricity supply apparatus according...
8668055 Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping position  
An elevator load receiving apparatus or a compensating weight connected thereto by a suspension device is released from a safety device in a stopping position after downward travel, the load...
8575869 Arrangement and method in connection with a transport system  
A transport system includes a motor for moving the transport appliance and a power supply circuit of the motor. The power supply circuit is connected between the motor and a power source that is...
8430212 Safety control device for an elevator apparatus and operating method thereof  
An elevator apparatus includes a safety circuit section including a plurality of abnormality detection units, a safety control device, failure detection unit, and circuit changeover unit. The...
8360211 Hoisting machine including a measuring arrangement and elevator system containing the same  
A hoisting machine and an elevator system including the hoisting machine are provided. The hoisting machine includes a measuring arrangement for determining the position and/or movement of the...
8348020 Elevator control device with carrier frequency switch circuit  
An elevator control device includes a vector controller that calculates a voltage command required for driving an elevator cage, a carrier frequency switch circuit that outputs a carrier frequency...
8333265 Elevator system with regulated input power  
A device (22) manages power source variations in an elevator system. The device includes a transformer (60) having a primary (62) and a secondary (64). An input of the elevator system is connected...
8322494 Temporary main switch arrangement for connecting power supplies of a power tool and an elevator  
A temporary main switch arrangement of an elevator includes a first switch in the electricity supply circuit of the power tool and a second switch in the electricity supply circuit of the...
8262442 Method and system for managing thermal energy in a building with duct for lifting installations  
The invention concerns an energy management method in a building including a lifting installation with a mobile car in a shaft and a ventilation passage between the shaft and the atmosphere. The...
8162108 Elevator having a limit switch for controlling power to the drive system as an elevator car approaches a shallow pit 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...
8104586 Elevator motor brake torque measurement device  
An elevator machine (20) assembly useful in an elevator system (10) includes a motor frame (26) that supports a motor (24) for selectively rotating a motor shaft (28). A brake (36) selectively...
7967113 Elevator system to minimize entrapment of passengers during a power failure  
The invention provides a system and method for handling power outages in a multiple car elevator system in a building having a plurality of floors. The system includes an energy calculator...
7931128 Elevator device  
In an elevator device, a drive unit has a drive sheave, a motor for rotating the drive sheave, and a motor driving portion for driving the motor. The motor driving portion is controlled by a...
7896138 Elevator arrangement  
The invention concerns an arrangement and a method for controlling the power supply of the load of an elevator system. The arrangement has at least a monitoring unit and at least one controllable...
7896135 Fail-safe power control apparatus  
A fail-safe power control apparatus for supplying power between an energy source (4) and the motor (5) of a transport system is provided. The power control apparatus comprises a power supply...
7628251 Elevator installation with a linear drive system  
An elevator installation has an elevator car and a permanent magnet linear drive system with a stationary part and a movable part, which moves along the stationary part when the permanent magnet...
7540356 Method and apparatus to prevent or minimize the entrapment of passengers in elevators during a power failure  
The invention provides a system and method for handling power outages in a multiple car elevator system in a building having a plurality of floors. The system includes an energy calculator...
7500543 Sheave with taper lock coupler  
A coupling arrangement for coupling a traction sheave on a motor shaft includes a taper lock bushing and a traction sheave having a tapered bore adapted to receive the taper lock bushing. The...
7478706 Method and apparatus of operating a drive with linear motor  
A drive, a method of operating the drive and an elevator operated by the drive for the movement of persons or goods by at least one car utilize a linear motor. The drive includes at least one...
7374020 Energy efficient elevator system  
The invention is directed to an apparatus and methods for enhancing the energy efficiency of a variable speed drive (VSD) used to control an elevator by disconnecting the VSD from the AC power...
7243759 Tapered coupler for coupling a motor to a hoist machine  
There is disclosed a coupling arrangement for coupling a motor to a hoist machine. The coupling arrangement comprises a first drum flange comprising an outer body having a first end and a second...
7156209 Elevator roping arrangement  
An elevator installation includes an elevator car located in a hoistway and having a floor, and a rear wall extending upward from the floor. A counterweight is located in the hoistway adjacent to...
7019421 Modular linear electric motor with limited stator excitation zone and stator gap compensation  
A linear motor system including compartmentalized stator sections provides an interchangeable and serviceable alternative to other linear motors. The stator sections may be individually-energized...
6968925 Elevator apparatus  
An elevator apparatus has an actuating device including a sheave around which a rope engaged with an ascending and descending cage is wound and a driving section for rotating the sheave. The...
6910553 Building elevator  
A building elevator with an elevator mast and an elevator car with at least one electric drive motor for the elevator car for moving the same along the elevator mast. A novel overload-prevention...
6681898 Coupling arrangement for coupling a motor to a hoist machine  
A coupling arrangement for coupling a motor to a hoist machine comprises a first drum flange having an inner surface and an outer surface opposite the inner surface for coupling to a hoist machine...
6675938 Door system including linear motor driving mechanism  
A door system includes a door support by which a door is movably supported, a linear motor for generating a thrust to open and close the door, a link mechanism made of a non-magnetic material for...
6578674 Converter arrangement for modular motor  
A bracket assembly and method for coupling a motor to a hoist machine comprising an adapter plate for coupling to a motor face and sized to cover the face of the motor and accommodate an existing...
6513627 Deep level mine shaft hybrid conveyance system  
A conveyance system is provided which includes a conveyance for conveying cargo and guide to which the convenience is displaceably mounted for guiding displacement of the conveyance. The system...
6464042 Strut for coupling linear drive to elevator car or counterweight  
A direct drive apparatus for an elevator wherein a movable part of the direct drive, particularly a linear motor, is connected with ark elevator car or counterweight for transmission of...
6422350 Monitoring device for drive equipment for elevators  
A definite switching-off of drive equipment for elevators is accomplished with a control at an input side external of a frequency changer power unit that ascertains the presence or the absence of...
6382361 Elevator  
An elevator system in which an elevator-car and a counter weight are suspended on a pulley system in a hoistway. The elevator system includes a receiving unit for receiving an electric power from...
6321877 Controlling apparatus for elevator with divided control panel  
A control panel is divided into units in accordance with each control function, units to be controlled by or connected to the divided unit are divided into unit groups in accordance with a place...
6305501 Elevator reluctance linear motor drive system  
A drive system for an elevator includes a drive machine by means of which the for moving and supporting an elevator car. The primary circuit of a linear motor is permanently fitted to a wall of a...
6269911 Elevator installation having a central control in a remote central operation center  
In an elevator installation system of at least one elevator installation with one or more elevators and a service center, which is functionally connected therewith, but provided spatially separate...
6202794 Procedure for adjusting air gaps between rotors and stators in an elevator drive machine  
The invention relates to a procedure for setting the magnitudes of the axial air gaps and/or the mutual positions of the rotors and stators defining the axial air gaps in a gearless elevator drive...
6189657 Linear motor for driving a lift car  
A linear motor for lifts for driving a lift car guided in a lift shaft with at least one stator winding row which can be fixed to the lift shaft or to the lift car and with at least one row of...
6085874 Rail-climbing elevator counterweight having flat machines  
An elevator system includes a counterweight assembly having a plurality of drive machines having integrally formed drive wheels adapted to frictionally engaged a guide rail for driving the...
5861586 Horizontal and vertical passenger transport  
Elevator cabs are transferred between elevators, which may be shuttles, in various levels of a building, such as transport floors, in response to car calls registered in the cabs and hall calls...
5844334 Traction machine motor with improved cooling  
On a traction machine motor wherein both a rotor (6) and a driving sheave (10) are attached on the rotating shaft (5), which is supported by both a motor bracket (1) and a bearing stand (2), and a...
5844332 Cylindrical linear motor having individually toothed laminated primary cores  
An improved cylindrical linear motor is capable of being more easily assembled by changing the constructions of a primary iron core and a primary coil and significantly preventing an over-heating...
5841082 Secondary guidance system for linear induction motors driving elevator car doors  
A motor secondary in a linear induction motor used for opening and closing doors in an elevator system includes a secondary guide system having a first secondary guide and a second secondary...
5816368 Elevator cars switch hoistways while traveling vertically  
Each of a pair of vertically and horizontally adjacent hoistways has an elevator car coupler roped through a traction machine to a counterweight so as to be able to raise and lower the elevator...
5799755 Linear motor transfer of cab horizontally between elevator and bogey platforms  
A cab having a wheeled carriage fixed thereto is moved between rails on an elevator car frame and similar rails on a wheeled bogey. The ends of the rails are scarfed in a complimentary fashion so...
5773772 Transferring elevator cabs between non-contiguous hoistways  
A plurality of express shuttle elevators S1-S4 exchange elevator cabs at a transfer floor 26 with local elevators L1-L10 by means of a carriage 107, the casters of which 93 are guided by tracks...
5756946 Flexible mounting of a motor secondary in a linear induction motor for driving elevator car doors  
A linear induction motor for opening and closing elevator car doors in an elevator system includes a motor primary fixedly attached to a door hanger and a motor secondary flexibly mounted to a...
5712456 Flywheel energy storage for operating elevators  
An elevator system, having a three phase rectifier (20) which converts energy from a three phase AC main (21) to provide DC power on a bus (19) to a three phase inverter (18) that drives a three...

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