Otis Elevator Company

Bruce P Swaybill

Bruce St Pierre

Richard J Ericson

Patricia Derwinski

Tadeusz Pawel Witczak

James A Rivera

James Leo Hubbard

Daniel B Davis, Iii

Meghan Mastriano

Richard N Fargo

Enrico Manes

Randy Roberts

Martin J Hardesty

Jesse R Richter

Loi Cheng

Christopher H Koenig

Gregory M O'Seep

Gary P Mendrala

Robert K Williams

John Eschenbrenner

Zbigniew Piech

Leandre Adifon

Kiron Bhaskar

Xiaodong Luo

Zaffir A Chaudhry

Arthur Hsu

Richard E Kulak

Brad Guilani

Walter Thomas Schmidt

Boris G Traktovenko

John J Ferrisi

Adam Marian Myszkowski

Shihemn Chen

Mark F Orelup

Luke A Mishler

Thomas E Landry

Akihiro Hasegawa

Alan Matthew Finn

Thomas M Kowalczyk

Randall Keith Roberts

Amir Lotfi

Michael J Tracey

Hugh James O'Donnell

Randall S Dube

John T Pitts

Edward D Piedra

Barry G Blackaby

Wojciech Szelag

Cezary Jedryczka

Dale R Barrett

Michael C Lang

Sam Wong

Peter DePaola, Jr

Jacobus Benjamin Legez

Thomas E Glassey

Yehia F Khalil

K Narasimha Reddy

Christopher P Screven

William L King

Richard Ivanic

Kevin Neville

Sven Swanson

Philip R James

Gary L Nuschler

Jim Rivera

Tom E Glassey

Sam Thieu Wong

Iii Daniel B Davis

Daniel B Davis Iii

Barry Graham Blackaby

Methods and systems for monitoring a dynamic compensation control system of an elevator system are provided. The methods and systems include monitoring a first motion state sensor signal generated by a first motion state sensor, the first motion state sensor associated with an elevator machine, monitoring a second motion state sensor signal generated by a second motion state sensor, the second motion state sensor located on an elevator car, determining an operational status of the second motion state sensor based on an analysis of the first motion state sensor signal and the second motion state sensor signal, and when it is determined that a failure status of the second motion state sensor is present, the method further comprises deactivating a dynamic compensation control mode of operation of the elevator system.

Health monitoring systems and methods for elevator systems

An illustrative example embodiment of an elevator system includes a cab configured to accommodate at least one passenger or item inside the cab. A motorized module includes a base, a connector supported on the base and at least one drive member supported on the base. The connector is configured to selectively establish a releasable connection between the motorized module and the cab. The drive member is configured to engage a vertical surface, climb along the vertical surface to selectively cause vertical movement of the base, and selectively prevent movement of the base when the drive member remains in a selected position relative to the vertical surface. At least one motor is associated with the drive member to selectively cause the drive member to climb along the vertical surface. The motorized module is vertically movable independent of the cab when the motorized module is released from the cab.

Elevator system including a motorized module

According to an embodiment, an elevator system including: a beam climber system configured to move an elevator car through an elevator shaft by climbing a first guide beam that extends vertically through the elevator shaft, the first guide beam including a first surface and a second surface opposite the first surface, the beam climber system including: a first wheel in contact with the first surface; and a first electric motor configured to rotate the first wheel; and a wheel decompression system configured to move the first wheel away from the first guide rail.

Ropeless elevator wheel force releasing system

A method is disclosed of retrofitting an elevator machine with primary and secondary braking, the machine being disposed on a machine support frame in an elevator machine room, and engaging one or more ropes for providing selective movement of an elevator car disposed in an elevator shaft, the machine having a drive sheave including a cylindrical brake drum, and brake components including dual brake arms; the method including: removing the brake components; affixing flanged disc segments about the drum and interlocking the flanged disc segments to form a brake rotor; and mounting respective brake calipers to frame mounts for providing primary and secondary braking to the elevator machine.

Retrofitting an elevator machine with primary and secondary braking

An elevator car of an elevator system includes a car body and a car frame supportive of the car body. The car frame includes two opposing side frames, each side frame formed from a plurality of side frame segments, including two upright members and one or more upright braces connecting the two upright members, adjacent side frame segments secured to each other via a joint. A method of installation of an elevator car of an elevator system includes positioning a first side frame segment of a plurality of side frame segments adjacent to second side frame segment of the plurality of side frame segments, and securing the first side frame segment to the second side frame segment via a splice joint thereby constructing a car frame of the elevator car. One or more car bodies are installed into the car frame.

Elevator car frame assembly

Disclosed is a method for retrofitting an elevator machine with a thrust bearing, including removing, from a bearing stand, a first cover plate, providing access to an end portion of a motor shaft, securing an extension shaft against the end portion of the motor shaft, securing a thrust bearing housing against or axially offset from the bearing stand, positioning a thrust bearing in the bearing housing, wherein an inner race of the thrust bearing is securely positioned against, and axially fixed to, the extension shaft, and an outer race of the thrust bearing is securely positioned against the bearing housing, and securing a second cover plate to the bearing housing.

Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine

An elevator car of an elevator system includes a car body, and a car frame supportive of the car body. The car frame includes two or more opposing upright assemblies, a crosshead assembly located above the car body, and a plank assembly located below the car body. A plurality of seismic retainers are located at each of the upright assemblies. The plurality of seismic retainers are configured for a non-contact relationship with a guide rail of the elevator system during normal operation of the elevator system, and configured to react guide rail loads during a sway event via contact with the guide rail.

Elevator seismic performance apparatus

A modular transfer station for a passenger conveyance system including a multiple of modular transfer station modules, each of the multiple of modular transfer station modules includes a static structure. A method of assembling a modular transfer station for a passenger conveyance including assembling a first interface lane alignment module to a second a second modular transfer station parking module, wherein each of the multiple of modular transfer station modules includes a generally equivalent static structure.

Modular transfer station

A deflector sheave mounting bracket for mounting a plurality of individual deflector sheaves of an elevator system includes a top plate, a bottom plate, and a plurality of support plates connected at a first end to the top plate and connected at a second, opposite end to the bottom plate. A plurality of openings for receiving the plurality of deflector sheaves is defined between pairs of adjacent support plates of the plurality of support plates. At least one opening of the plurality of openings is vertically offset and horizontally offset from another of the plurality of openings.

Deflector sheave bracket for offset bedplate

An illustrative example elevator system includes a frame, a first elevator cab, a second elevator cab, and a plurality of sheaves associated with the first and second elevator cabs, respectively. A suspension assembly suspends the first and second elevator cabs within the frame. The suspension assembly has two ends in a fixed position relative to the frame. The suspension assembly includes a positive drive load bearing member along a first portion of a length of the suspension assembly and at least one other second load bearing member. A machine includes a drive sprocket that moves the positive drive load bearing member to cause movement of the first and second elevator cabs relative to the frame.

Elevator cab suspension assembly for a double deck elevator

A transfer station () for a ropeless elevator system hoistway () is provided. The transfer station () includes a first lane (), a second lane (), and a parking area () located proximate one of the first lane () and the second lane (). The transfer station () also includes a plurality of carriages () moveable within the first lane (), the second lane (), and the parking area (), the plurality of carriages () configured to support and move an elevator car (). The transfer station () further includes a cassette () configured to support and move the plurality of carriages (). The transfer station () yet further includes a guiding member () engaged with the cassette (), wherein the position of each of the plurality of carriages () relative to the first lane (), the second lane () and the parking area () is modified by horizontal or vertical movement of the cassette ().

Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone

A guidance mechanism for an elevator car is constructed and arranged to move along a lane defined at least in-part between two opposing first and second lane structures of a stationary structure. The guidance mechanism includes a first support structure supported by the first lane structure. The first support structure includes a first retainer face disposed between the elevator car and the first lane structure that substantially faces the first lane structure, and is spaced from the first lane structure. A first retention device of the mechanism is disposed, at least in part, between the first retainer face and the first lane structure. The first retention device is supported by the elevator car and is constructed and arranged to contact the first retainer face for limiting lateral movement of the elevator car away from the first lane structure and toward the second lane structure.

Elevator car guidance mechanism

A counterweight is provided including a counterweight frame including a crosshead. A counterweight hitch is operably coupled to the counterweight frame. The counterweight hitch includes a vertically stacked first sheave channel and a second sheave channel. Each of the first sheave channel and second sheave channel includes an interior cavity within which at least one individual sheave assembly is mounted. The plurality of individual sheave assemblies is substantially identical and arranged at an angle relative to a central plane of the counterweight frame.

Counterweight for elevator system

Growing community of inventors

Farmington, CT, United States of America

Bruce P Swaybill