Otis Elevator Company

Philipp Schedl

Robert Takacs

Derk Oscar Pahlke

Tadeusz Pawel Witczak

Bradley Armand Scoville

Craig Drew Bogli

Alexander Turek

Chan-Jong Park

Walter Srb-Gaffron

Nikola Trcka

Martin Michalke

Wilfrid Fuchs

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a weather data source in communication with the analytic engine through the cloud computing network, the weather data source being configured to obtain weather data at a location of the escalator; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus comprising: an inertial measurement unit sensor configured to detect acceleration data of the escalator, and wherein the CBM health score is adjusted in response to at least the weather data.

Escalator data acquisition from learning algorithm

A passenger conveyance system () is provided which includes a first component () arranged to rotate about a first rotation axis Aand a second component () arranged to rotate about a second rotation axis A; at least one magnet (); and at least one sensor (). Either the at least one sensor () or the at least one magnet () is fixed to the first component (). The sensor () is arranged to measure a displacement to the at least one magnet (), and the system () is arranged to use the measured displacement to determine information indicative of the alignment of the first and second components ().

Passenger conveyance system

A monitoring system for monitoring an escalator is provided including: a local gateway device; and a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: a frequency detection device configured to detect frequency data of the escalator, wherein the sensing apparatus is configured to obtain a specific frequency of a component of the escalator and detect at least one of a change in the specific frequency of the component to a sub-frequency, a direction shift of the specific frequency of the component, and a change in a harmonics of the specific frequency of the component in response to the frequency data.

Frequency analytics of components using internet of things sensor and sensor location on escalators

A monitoring system for a passenger conveyor including: at least one acceleration sensor provided on a movable component of the passenger conveyor, wherein the moveable component moves in a closed loop path (P) when the passenger conveyor is in use; a fault detection sensor associated with the or each acceleration sensor and configured to provide data indicative of a fault in the moveable component. The monitoring system includes a controller configured to: receive data from the or each acceleration sensor; monitor a gravity vector (V) of the or each acceleration sensor; determine a direction of travel of the or each acceleration sensor; determine a current location of the or each acceleration sensor based on the monitored gravity vector (V) and the determined direction of travel; detect a fault from the data received from the or each fault detection sensor; identify a location of the detected fault.

Monitoring systems for passenger conveyors

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a passenger detection engine in communication with the analytic engine through a cloud computing network, the passenger detection engine being configured to determine passenger data of the escalator; and a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus, the local gateway device, and the analytic engine is configured to determine a condition based monitoring (CBM) health Score of the escalator in response to at least the acceleration data, wherein the analytic engine is configured to adjust the CBM health score in response to at least the passenger data.

Sensor fusion on internet of things on escalators

A belt safety device () for monitoring a drive belt (), in particular a drive belt () of a people conveyor (), comprises a sensor wheel () configured to be driven by the monitored drive belt (); a sensor surface (); an indicator element () extending eccentrically from the sensor wheel () and moving along the sensor surface () when the sensor wheel () rotates; and an evaluation unit (), which is configured for determining the path (P) of the indicator element () moving along the sensor surface ().

Belt safety device and people conveyor with a belt safety device

A drive system () for a people conveyor () comprises a conveyance chain () including a plurality of chain links () connected to each other; a plurality of legs () configured for connecting the conveyance chain () with the conveyance elements (); and a plurality of levers (). Each leg () is connected to at least two different chain links () by at least two of the levers (). Each of the levers () is pivotably connected to one of the chain links () and pivotably connected to one of the legs ().

Drive system for a people conveyor

A people conveyor () comprises: a chain of conveyance elements (), which are configured for conveying people; a drive unit (), which is configured for driving the chain of conveyance elements (); and a self-locking gear (), which is configured to lock when no torque is transmitted from the drive unit () to the chain of conveyance elements ().

Self-locking gear and people conveyor comprising a self-locking gear

A self-braking gear () comprises: an input shaft (), an output shaft (), a braking mechanism (), which is configured for braking the output shaft (), and a planetary gear (). The planetary gear (), which is connected between the input shaft () and the output shaft (), is configured to activate the braking mechanism () in order to brake the output shaft (), when no torque is provided via the input shaft (). The self-braking gear () may be employed in a people conveyor () such as an escalator.

Self-braking gear and people conveyor comprising a self-braking gear

A polygon compensation coupling system () comprises a first rotatable element (), a second rotatable element (), and at least one linkage coupling the first rotatable element () with the second rotatable element (). The linkage comprises at least one first coupling element () pivotably coupled to the first rotatable element () and at least one second coupling element () pivotably coupled to the second rotatable element (). The first and second coupling elements () are pivotably coupled to each other at a hinge point, the hinge point is configured to move along a compensation curve varying the coupling between the first rotatable element () and the second rotatable element ().

Growing community of inventors

Vienna, Austria

Philipp Schedl