US 9,751,729 B2Granted

Varying speed transportation system

AssigneeThyssenkrupp Elevator Innovation Center, S.A.

InventorsMiguel Angel Gonzalez Alemany, Juan Domingo Gonzalez Pantiga, Alberto Florez Castro, Luis Joaquín Fernandez Alvarez, Enrique Gonzalez Fernandez, José Mendiolagoitia Juliana, Alberto Pello Garcia, José Ojeda Arenas, Eduardo Moran Garcia, Ana Belén Quiroga Sanchez, Ignacio Muslera Fernandez

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Abstract

An example drive system for a transportation system may include an actuator for transmitting an actuation motion from a motor, a first pulling device configured to transmit a pulling motion from the actuator to moving parts of the transportation system in a transition speed section situated between an embarking/disembarking zone and a middle zone, a second pulling device configured to transmit a pulling motion from the first pulling device to the moving parts of the transportation system in a high-speed section in a middle zone of the transportation system. In some examples, the first pulling device may be a carriage.

Claims9

Dependent claims

A drive system for a transportation system, the drive system comprising:

an actuator configured to transmit an actuation motion from a motor;
a first pulling means configured to transmit a pulling motion from the actuator to moving parts of the transportation system in one or more transition speed sections located between a middle zone and at least one of an embarking zone or a disembarking zone of the transportation system;
and
a second pulling means configured to transmit a pulling motion from the first pulling means to the moving parts of the transportation system in a high speed section located in the middle zone of the transportation system,
wherein the actuator comprises a screw having a constant pitch for use in the high speed section and a variable pitch for use in the one or more transition speed sections, wherein the screw comprises a first helix that engages with a first drive roller of the first pulling means to move the first pulling means, wherein the screw comprises a second helix that engages with a second drive roller of the first pulling means to stabilize the first pulling means relative to the screw.

2 more elements

A drive system for a transport system comprising:

actuation means for transmitting an actuation motion from at least one motor;
first pulling means configured to
transmit a pulling motion from the actuation means to moving parts that form the transport system in a transition speed section situated between an embarking/disembarking zone and a middle zone, and
in a high-speed section, to drive
second pulling means configured to transmit a pulling motion from the first pulling means to the moving parts that form the transport system in a high-speed section situated in a middle zone of the transport system,
wherein the actuation means comprise a screw having a constant pitch in the high-speed section a variable pitch in the transition speed zones, which transmits the motion of the first pulling means by means of a first helix that engages with a first drive roller of the first pulling means, with a variable radius, and prevents there being looseness between the two by means of a second helix that engages with a second drive roller of the first pulling means, with a variable radius.

3 more elements

Dependencies are inferred from the claim text.