B66B11/04

Force application assembly, elevator and method of elevator rescue

A force application assembly, an elevator and a method of elevator rescue. The force application assembly is provided for applying a force to an elevator car when the elevator car and a counterweight are in a balanced state, and the force application assembly includes: a first attachment portion, which is configured to be removably attached to an elevator hoistway; a second attachment portion, one end of which is removably fixed relative to the elevator car or the counterweight, and which is configured to be at least partially elastic; an actuation portion connected between the first attachment portion and the second attachment portion, wherein the first attachment portion is configured to be fixed relative to the actuation portion, and the second attachment portion is configured to be movable relative to the actuation portion; and an operation portion, which is associated with the actuation portion.

ELEVATOR SYSTEM
20230019416 · 2023-01-19 · ·

An elevator system provided in an existing apartment building, includes a motor that is a drive source for a lifting mechanism of an elevator car, a power storage device configured to store power supplied to the motor, and a charger configured to charge the power storage device with power supplied from a power grid. A traveling motor, an in-vehicle power storage device, and an in-vehicle charger of a used vehicle are diverted to the motor, the power storage device and the charger. The power storage device is used as a normal power supply of the elevator system. The motor is driven by power supplied from not the power grid but the power storage device.

Moving a heavy overload with an elevator
11554936 · 2023-01-17 · ·

An elevator installation and a method of operating the elevator system for temporary transportation of an overload within the elevator installation includes a car and a counterweight interconnected by one or more suspension ropes engaging a traction sheave that is driven by a motor. The traction between the suspension ropes and the traction sheave is enhanced independently of the counterweight for intended overload operation.

Linear drive system for an elevator installation
11691851 · 2023-07-04 · ·

A linear drive system for an elevator installation having an elevator car includes a stationary part for alignment with a hoistway wall of the elevator installation and a movable part that moves along the stationary part. The movable part is connected to the elevator car or to a counterweight, wherein the stationary part is shaped so as to substantially envelope the movable part.

Elevator installation and a method for lubricating bearings in the elevator installation
11692589 · 2023-07-04 · ·

An elevator installation and a method for lubricating bearings in an elevator hoist machine of the elevator installation ensure that during start-up and subsequent running of the elevator hoist machine the bearings are provided with a mixed film lubrication or an elastohydrodynamic lubrication to optimize bearing life expectation.

Elevator with linear motor

An elevator includes at least one elevator shaft and at least one elevator car traveling in the elevator shaft. The elevator has at least one elevator motor including at least one linear stator located vertically along the elevator shaft and at least one mover located in connection with the elevator car and co-acting with the stator. The elevator includes a vertical stator beam supporting at least one stator, which stator beam has at least one side face carrying ferromagnetic poles of said stator spaced apart by a pitch. The mover includes at least one counter-face facing the side face(s) of the stator beam, in which electro-magnetic components of the mover are located.

Method for operating a lift system and lift system designed for carrying out the method

A method of operating an elevator system, for example operated by linear motors, wherein the elevator system includes a shaft system including at least one vertical elevator shaft, and a multiplicity of elevator cars which respectively have a plurality of functional components for carrying out different functions. The method provides that in a special operating mode of the elevator system, a first elevator car is assigned at least one auxiliary device, the auxiliary device providing a replacement function for at least one function of one of the functional components of the first elevator car, the corresponding function of a functional component of the first elevator car being replaced with the replacement function provided by the auxiliary device, and the elevator system continuing to be operated by using the replacement function provided. The invention furthermore relates to an elevator system configured for carrying out such a method.

ELEVATOR SYSTEM WITH AIR-BEARING LINEAR MOTOR
20220380180 · 2022-12-01 ·

An elevator system has an elevator shaft, an elevator car and a drive device for displacing the elevator car within the elevator shaft. The drive device is a linear motor that has a stationary part secured to a shaft wall of the elevator shaft and a movable part secured to the elevator car. The drive device has an air bearing between the stationary part and the movable part that keeps the stationary part spaced apart from the movable part via an air gap therebetween.

Method of assembling and testing a linear propulsion system
11591187 · 2023-02-28 · ·

A linear propulsion system and method of assembling and testing the same is disclosed. The linear propulsion system may comprise a track, a vehicle, a mover mounted to the vehicle, and a dual inverter system. The track may comprise a first plurality of stator sections interleaved with a second plurality of stator sections. The dual inverter system may include first and second multi-phase inverters that share input hardware.

Municipal water powered Shabbat transportation device
11505432 · 2022-11-22 ·

The present invention is a device for moving people or items on the Jewish Sabbath and certain Jewish holidays in a manner that is widely acceptable within Jewish Law through powering and controlling this invention with municipal water. The invention includes applying this technology to elevators, escalators, dumbwaiters, conveyors, stair lifts, porch lifts, and more. Within the invention are certain components and groups of components that are unique in their arrangement and purpose.