Otis Elevator Company

Carrier Corporation

Rosemount Aerospace Limited

David Ginsberg

Arthur Hsu

Jose Miguel Pasini

Shashank Krishnamurthy

Randall Keith Roberts

Richard N Fargo

HanJong Kim

Xu She

Dang V Nguyen

Fred G Williams

Konda Reddy Chevva

Mark Olthuis

William A Veronesi

Walter Thomas Schmidt

Ronnie E Thebeau

Jody Phouthavong

Joseph V Mantese

Ismail Agirman

Todd Anthony Ell

XuQiang Liao

Jaegue Shin

Daryl J Marvin

Tadeusz Pawel Witczak

Suman Dwari

Joseph T Pesik

Randy Roberts

Sandeep Sudi

Xin Wu

Edward D Piedra

Martin Krucinski

Xiaodong Luo

David Alun James

Aditya Swami

Prasanna Nagarajan

Michael J Haukom

Ankit Anand Gupta

Luis C Encinas Carreno

XiaoBin Tang

Julian C Ryde

Penghe Geng

Fernando Rodriguez

Lei Xing

Peter DePaola, Jr

Xuqiang Liao

Markus Mueller

Yogesh Parmod Jadhav

Basavanagouda Goudra

Pramod Mandikal Gurukumar

Oliver Alexander Gesch

Richard Buddelmann

Michael James Haukom

Hanjong Kim

Joesph T Pesik

An exemplary heating ventilation and cooling (HVAC) system includes a multi-phase power input, an AC-DC rectifier connected to a DC-AC inverter via a DC power bus, a multi-phase power output connecting the DC-AC inverter to a fan blower motor, and at least one redundancy power system. The redundancy power system is configured to bypass at least one of the AC-DC rectifier and the DC-AC inverter.

Redundant power supply for HVAC system including refrigerant leakage mitigation

An elevator system control system is provided and includes a sensor system configured to sense elevator car conditions, a safety system signaling element to generate a safety signal indicative of an incident and a control system configured to react to the safety system signal. When the control system receives the safety signal indicating that an incident has occurred that requires engagement of at least one of primary and secondary brakes, the control system controls a deceleration rate during the incident by operating the primary brake, determining whether the deceleration rate is within a target range and adjusting the deceleration rate based on signals from the sensor system.

Active braking for immediate stops

A transportation refrigeration system including: a transportation refrigeration unit comprising a motor; a power conversion unit configured convert an amplitude, a frequency and a phase of an input electrical power signal, wherein the power conversion unit comprises a first power bridge, a DC link and a second power bridge; an energy storage device configured to supply electrical power to the motor via the power conversion unit during a road mode; a first switch configured to selectively connect the first power bridge to the energy storage device or the motor; and a second switch configured to selectively connect the second power bridge to the motor or a power grid; wherein the first switch and second switch are positioned to connect the first power bridge and second power bridge to specified sources and outputs during each of the road mode and the standby mode.

Time sharing control of transport refrigeration system

A voltage conversion system includes an energy storage device; a power conversion unit connected to the energy storage device, the power conversion unit comprising: an inductor, the inductor comprising a number of coils that are non-coupled or weakly coupled, with a coupling coefficient less than 0.05; a multi-phase boost stage coupled to the inductor, wherein the multiphase boost stage comprises a number of phases that equals the number of coils; an inverter coupled to the multiphase boost stage; and a load coupled to the power conversion unit.

Voltage conversion system for transport refrigeration system

Elevator systems having an elevator machine connected to an elevator car within an elevator shaft, the elevator shaft including a plurality of landings, at least one first sensor assembly attached to the elevator car, at least one second sensor assembly arranged within the elevator shaft and configured to interact with the at least one first sensor assembly, and a computing system in communication with at least one of the at least one first sensor assemblies and the at least one second sensor assemblies such that the computing system receives at least one of signals or data from the at least one of the at least one first sensor assemblies and the at least one second sensor assemblies. The at least one first sensor assemblies and the at least one second sensor assemblies form a contactless position sensing system for determining a position of the elevator car within the elevator shaft.

Elevator position detection systems

An elevator system includes an elevator car () disposed in and constructed and arranged to move along a hoistway () generally defined by a stationary structure. A short-range communication system of the elevator system is configured to provide communication between the elevator car and the stationary structure, and may include a transceiver () carried by the elevator car and a plurality of transceivers () spaced along the hoistway. A network coordinator () of the communication system is operatively coupled to the plurality of hoistway transceivers to provide uninterrupted communication.

Elevator short-range communication system

Methods and systems of controlling elevators including detecting a landing stop for an elevator car, measuring load information associated with the stop, controlling stopping of the elevator at the landing using a machine based on at least one of the detected landing and the measured load information and performing dynamic compensation control of a motion state of the elevator with a computing system and the elevator machine. The dynamic compensation control includes receiving motion state information related to at least one motion state of the elevator car at the computing system, receiving the landing and load information at the computing system, applying a filter to the received information and generating a first control signal, and producing a control output from the first control signal to control the elevator machine to minimize oscillations, vibrations, excessive position deflections, and/or bounce of the elevator car at the detected landing.

Dynamic compensation control for elevator systems

A device commissioning system includes a terminal device, a data communication network, and a network controller. The terminal devices selects a device type of a component configured to operate in a control system, and outputs a device activation signal that requests a configuration file for commissioning the component according to a selected device type. The communication network is remotely located from the component and stores configuration files for commissioning different types of components. The network controller receives the device activation signal indicating a request to commission the component according to the selected device type and establishes a secure data link to deliver the configuration file in response to the device activation signal. The component receives the configuration file corresponding to the selected device type, and installs the configuration file to commission operation as the selected device type.

Adhoc protocol for commissioning connected devices in the field

An elevator system includes a first elevator car () constructed and arranged to move in a first lane () and a first propulsion system () constructed and arranged to propel the first elevator. An electronic processor of the elevator system is configured to selectively control power delivered to the first propulsion system (). The electronic processor includes a software-based power estimator configured to receive a first weight signal and a nm trajectory signal for calculating a power estimate and comparing the power estimate to a maximum power allowance. The electronic processor is configured to output an automated command signal if the power estimate exceeds the maximum power allowance.

Elevator control system

A service tool wireless access management system includes a wireless access interface and an equipment service system comprising at least one processor. The at least one processor is configured to enable the wireless access interface responsive to a wireless access request initiated through a service tool, establish a wireless communication session with the service tool through the wireless access interface, and disable the wireless access interface responsive to a wireless communication termination event.

Service tool wireless access management

A ropeless elevator system () includes a plurality of elevator cars () configured to travel in a hoistway having at least one lane (), a propulsion system () to impart force to each elevator car of the plurality of elevator cars, and a controller (). The controller is configured to operate in an in-group mode where the plurality of elevator cars perform service demands, and to selectively operate in an out-of-group mode where at least one selected elevator car of the plurality of elevator cars performs a predetermined task and is prevented from performing the in-group mode service demands.

Operational modes for multicar hoistway systems

Apparatus and associated methods relate to rendering an image of objects in a region of an airport taxiway. The image is rendered from data provided by multiple sources. Three-dimensional models of static airport structures located within the region of an airport taxiway are provided. Rendered image data of the region of the airport taxiway if formed based on the retrieved three-dimensional models of the static airport structures. Data indicative of locations of dynamic objects within the region of the airport taxiway is also provided. Symbols identifying the dynamic objects within the region of the airport taxiway are mapped into the rendered image data at the locations indicated by the provided data. The rendered image data is sent to a display device configured to display the rendered image data.

Method and system for rendering and displaying a perspective view of aircraft taxi operation

A self-propelled elevator system includes a hoistway () including a plurality of drives (), wherein each of the plurality of drives includes a stationary portion () of a propulsion system and a controller () configured to operate the stationary portion of the propulsion system. The propelled elevator system also includes an elevator car ((),) comprising a processor () and a transceiver (), wherein the transceiver is configured to communicate with the controllers of one or more of the plurality of drives that are adjacent to the elevator car and one or more sensors () disposed on the elevator car, wherein the processor is configured to receive signals from the one or more sensors. The processor is configured to control a movement of the elevator car within the hoistway.

Wireless communication for self-propelled elevator system

A method of operating an elevator system for a learn run sequence including the steps of moving, using a linear propulsion system, an elevator car through a lane of an elevator shaft at a selected velocity; detecting, using a sensor system, the location of the elevator car when it moves through the lane; controlling, using a control system, the elevator car, the control system being in operable communication with the elevator car, the linear propulsion system, and the sensor system; and determining, using the control system, a location of each of the car state sensors relative to each other within the lane in response to at least one of a travel time of the elevator car, a velocity of the elevator car, a position of the elevator car, and a height of the elevator car.

Sensor and drive motor learn run for elevator systems

Growing community of inventors

Granby, CT, United States of America

David Ginsberg