OTIS ELEVATOR COMPANY Patent applications |
Patent application number | Title | Published |
20160130117 | ELEVATOR MACHINE AND STATOR SUPPORT STRUCTURE - Embodiments are directed an elevator machine comprising: a stator assembly, and a plurality of support plates coupled to the stator assembly, wherein a respective at least one of the support plates is coupled on each end of the stator assembly and configured to enable the stator assembly to expand radially and axially in a substantially uniform manner over a range of temperatures. | 05-12-2016 |
20160130114 | ELEVATOR NOISE MONITORING - A method includes receiving, from a portable recording device, multiple recordings of sounds made by an elevator during operation of the elevator, the multiple recordings generated at different times. The method includes analyzing, by a sound analysis circuit, the multiple recordings generated at the different times to detect changes in an elevator characteristic over time and generating, based on detecting the changes in the elevator characteristic over time, a notification to perform an action on the elevator. | 05-12-2016 |
20160126810 | COOLING OF MACHINE FOR ELEVATOR SYSTEM - In one embodiment, an electric machine includes a rotor including a plurality of permanent magnets and rotatable about a central axis of the machine. The machine further includes a stator including a cylindrical stator shell and a plurality of stator windings positioned at the stator shell and located radially inboard of the plurality of permanent magnets. A plurality of heat sink segments are secured to a radially inboard surface of the stator shell. Each heat sink segment of the plurality of heat sink segments includes a base portion located at the radially inboard surface and a plurality of fins extending radially inwardly from the base portion. | 05-05-2016 |
20160075534 | CONNECTING CARS IN A MULTICAR ELEVATOR SYSTEM - An elevator system includes a first hoistway having a shuttle section and serviced floors; a second hoistway having a shuttle section and serviced floors; a first elevator car; a second elevator car; a coupler physically connecting the first elevator car and the second elevator car during travel in the shuttle section; an upper transfer station for transferring at least one of the first elevator car and the second elevator car from the first hoistway to the second hoistway; a lower transfer station for transferring at least one of the first elevator car and the second elevator car from the second hoistway to the first hoistway. | 03-17-2016 |
20160043616 | ARCHITECTURE OF DRIVE UNIT EMPLOYING GALLIUM NITRIDE SWITCHES - A drive unit for a motor includes a printed circuit board (PCB); a first gallium nitride switch having a gate, the first gallium nitride switch mounted to the PCB; a second gallium nitride switch having a gate, the second gallium nitride switch mounted to the PCB; a gate driver generating a turn-off drive signal to turn off the first gallium nitride switch and turn off the second gallium nitride switch; a first turn-off trace on the PCB, the first turn-off trace directing the turn-off drive signal to the gate of the first gallium nitride switch; and a second turn-off trace on the PCB, the second turn-off trace directing the turn-off drive signal to the gate of the second gallium nitride switch; wherein an impedance of the first turn-off trace is substantially equal to an impedance of the second turn-off trace. | 02-11-2016 |
20160016760 | SELF-CLAMPING HANDRAIL DRIVE - Embodiments are directed to a self-clamping handrail device comprising: a belt-handrail compound comprising a first belt, a second belt coupled to the first belt, and a handrail coupled to the second belt, a counter bar and a clamping frame configured to support the belt-handrail compound as the belt-handrail compound passes between the counter bar and the clamping frame, the clamping frame configured to move about a clamping curve based on a tension force applied to the handrail, and the first belt and the second belt applying a normal force to the handrail based at least in part on the tension force. | 01-21-2016 |
20150321879 | INERTIAL MEASUREMENT UNIT ASSISTED ELEVATOR POSITION CALIBRATION - Embodiments are directed to reducing at least one dynamically generated error in terms of an actual position of an elevator car, comprising: triggering an inertial measurement unit (IMU) to compute a position of an elevator car of an elevator system, obtaining a position of a correcting vane in a hoist-way of the elevator system, obtaining a position of the elevator car as determined by an encoder of the elevator system, and estimating the position of the elevator car based on the computation of the position by the IMU, the position of the correcting vane, and the position of the elevator car as determined by the encoder. | 11-12-2015 |
20150295282 | BATTERY FIELD DISCONNECT METHOD - Embodiments are directed to an apparatus comprising terminals providing a voltage, a monitor configured to receive an input from an entity external to the apparatus indicating that energy associated with the apparatus is to be selectively coupled to, or isolated from the terminals, and a protection mechanism coupled to the monitor and configured to be selectively turned on and turned off based on the input received from the external entity. | 10-15-2015 |
20150292582 | FRICTION BRAKE ASSEMBLY WITH AN ABRADABLE METAL FOAM BRAKE PAD - A brake assembly and a method for manufacturing a brake assembly are provided. The brake assembly includes a brake pad affixed to a substrate. The brake pad extends from the substrate to a brake pad friction surface, and includes abradable cellular metal foam with the hardened ceramic particles. | 10-15-2015 |
20150274486 | ELEVATOR DEMAND ENTERING DEVICE - Embodiments are directed to receiving, by a demand entering device configured to receive an elevator destination command, a request for at least one of: statistical data regarding use of at least one elevator, and field data in connection with a field service, maintenance, repair, or installation activity associated with the at least one elevator, and obtaining, by the demand entering device, at least one of the statistical data and the field data in response to the request. | 10-01-2015 |
20150259175 | ELEVATOR BRAKE | 09-17-2015 |
20150240894 | Brake - A brake for machine and method of using the brake is disclosed. The brake may comprise first and second brake linings configured to be frictionally engageable with a rail, a first biasing member configured to urge the first brake lining to engage the rail, and a first actuator configured to move the first brake lining to disengage the rail when the first actuator is energized. The brake may be configured to be mounted on a machine, floor or the like. | 08-27-2015 |
20150239710 | LOW FRICTION SLIDING GUIDE SHOE FOR ELEVATOR - A sliding guide shoe for an elevator is provided including a base having a plurality of walls. A contact liner has a first side operably connected to at least one of the plurality of walls. A second side of the contact liner is configured to contact at least one surface on an elevator guide rail. The contact liner has a non-uniform thickness and is thereby configured to contact the at least one surface of the elevator guide rail over less than an entire surface of the second side of the contact liner. | 08-27-2015 |
20150210510 | METHODS AND APPARATUSES FOR APPLYING A SUBSTRATE ONTO AN ELEVATOR SHEAVE - An elevator maintenance kit is provided for surfacing an elevator sheave that engages with an elevator tension member. The kit includes a substrate with an adhesive backing, and a substrate applicator that is operable to apply the substrate to the sheave as the sheave is rotated. The adhesive backing is operable to attach the substrate to the sheave during the sheave rotation. | 07-30-2015 |
20150203328 | ELEVATOR POWER MANAGEMENT - A system for managing elevator power includes a power line connected to a power grid, a motor connected to the power line and configured to receive power from the power line to drive an elevator, an alternative power source connected to the motor, and a power control system configured to control the power line to supply power to the motor to drive the elevator, to detect a predetermined threshold value of power supplied from the power line, and to supply both power from the power line and power from the alternative power source to the motor based on a determination that the predetermined threshold value of power is supplied from the power line. | 07-23-2015 |
20150191331 | FIRE-RETARDANT BELT - A belt and a method for manufacturing a belt is provided. The belt includes a plurality of lengthwise-extending tension members and a jacket. The jacket substantially retains the plurality of tension members. The jacket has a first side region, a second side region, and a center region between the first and second side regions. The first and second side regions of the jacket are more fire retardant than the center region of the jacket. | 07-09-2015 |
20150191330 | BELT INCLUDING FIBERS - A belt for an elevator system and a method for making the same is provided. The belt includes a plurality of tension members that extend along a length of the belt and a jacket. The jacket substantially retains the plurality of tension members. The jacket maintains a desired spacing and alignment of the tension members relative to each other. The jacket includes a plurality of first fibers and a plurality of second fibers. The jacket defines at least one exterior, traction surface of the belt. The first fibers are at least partially disposed between the tension members and the traction surface of the belt. The second fibers are fill fibers. The first fibers have at least one property that distinguishes them from the second fibers. | 07-09-2015 |
20150144434 | ADAPTIVE POWER CONTROL FOR ELEVATOR SYSTEM - A system for managing power in an elevator system, the system including an elevator controller; an elevator car in communication with the controller; a component associated with the elevator car; a power management system in communication with the controller; and a database in communication with the power management system, the database including a power profile; wherein the power management system provides power commands to the elevator controller to enter a power savings mode in response to the power profile, the controller sending a power off signal to the component in response to the power command. | 05-28-2015 |
20150136544 | CAR MOUNTED OVERSPEED GOVERNOR ACTUATION DEVICE - A device for reducing an actuation force spike in an elevator car safety system. The device includes an elevator car mounted overspeed governor, a safety gear, a safety lever, and a force reducing mechanism. The force reducing mechanism is connected in a series relationship with the safety lever between the overspeed governor and the safety gear. | 05-21-2015 |
20150127697 | ELEVATOR SYSTEM USING DUAL COMMUNICATION CHANNELS - An elevator control system includes at least one destination entry fixture coupled to a controller area network (CAN) bus that provides a first communication channel, the at least one destination entry fixture operable to transmit destination information over the CAN bus; a plurality of elevator car controllers each associated with a respective elevator car, the plurality of elevator car controllers coupled to the CAN bus to receive the destination information; the plurality of elevator car controllers coupled to a ring network that provides a second communication channel; and a group controller operable to determine an elevator car to be dispatched in response to receiving the destination information. | 05-07-2015 |
20150122586 | ELEVATOR SYSTEM INCORPORATING A TRAVELING MOTOR - An elevator is provided including an elevator car and a machine rail. An elevator machine is mounted to the machine rail such that the elevator machine is movable relative to the machine rail. At least one belt operatively engages both the elevator car and the elevator machine. Movement of the elevator machine relative to the machine rail causes the elevator to move. | 05-07-2015 |
20150097458 | Permanent Magnet Electric Machine - A rotor for a permanent magnet electric machine includes a rotor core and a plurality of permanent magnet bundles located at the rotor core. Each permanent magnet bundle includes a first magnet of a first magnetic material and a second magnet of a second magnetic material located radially outboard of the first magnet. The second magnet has an increased resistance to demagnetization relative to the first magnet. A permanent magnet electric machine includes a stator and a rotor magnetically interactive with the stator. The rotor includes a rotor core and a plurality of permanent magnet bundles located at the rotor core. Each permanent magnet bundle includes a first magnet of a first magnetic material and a second magnet of a second magnetic material located radially outboard of the first magnet. The second magnet has an increased resistance to de-magnetization relative to the first magnet. | 04-09-2015 |
20150083533 | CUSTOMIZED FRICTION FOR BRAKES - A brake element is provided including a friction material. The friction material includes a polymer-based ceramic matrix composite material having a plurality of fibers. The plurality of fibers is arranged at an angle to a braking direction. | 03-26-2015 |
20150075914 | ELEVATOR CONTROL SYSTEM - An elevator control system including an elevator management system obtaining meeting information from at least one of a calendar system and a user interface; the elevator management system generating a control command in response to the meeting information; and an elevator controller controlling destinations of one or more elevator cars in response to the control command. | 03-19-2015 |
20150068848 | ELEVATOR PASSENGER INTERFACE INCLUDING IMAGES FOR REQUESTING ADDITIONAL SPACE ALLOCATION - An exemplary elevator destination entry system includes a passenger interface device that presents a visual representation of at least one item that will accompany a passenger on an elevator car. The passenger interface allows the passenger to select the visual representation. A controller is configured to receive indications of passenger requests for elevator service and an indication from the passenger interface device regarding a selected visual representation. The controller determines an amount of space within an elevator car required to accommodate the item based on predetermined space information corresponding to the selected visual representation. The controller assigns a car to a passenger request based on a determination that the assigned car will have adequate space to accommodate the passenger and the item. | 03-12-2015 |
20150015280 | WEAR DETECTION FOR COATED BELT OR ROPE - A method of wear detection of a coated belt or rope includes connecting a wear detection unit to one or more monitoring strands and/or cords of a coated belt or rope. The coated belt or rope includes one or more baseline strands and/or cords exhibiting a first change in electrical resistance as a function of bending cycles of the belt or rope and one or more monitoring strands and/or cords exhibiting a second change in electrical resistance as a function of bending cycles of the belt or rope, greater than the first change in electrical resistance. An electrical resistance of the one or more monitoring strands and/or cords is measured via the wear detection unit. Using at least the measured electrical resistance of the one or more monitoring strands and/or cords, a wear condition of the belt or rope is determined. | 01-15-2015 |
20150014101 | ELEVATOR CAR DOOR DRIVE MECHANISM - According to an aspect of the present invention, a door drive mechanism for actuating a door of an elevator car laterally between open and closed positions is provided. The door is mounted on the car for lateral movement relative to the car, and is connected to the car by at least one pivotable arm. The door drive mechanism includes a linear door drive mechanism and at least door drive mount. The door drive mechanism is configured to be mounted on the car. The door drive mount is configured to be attached to the door and is in communication with the linear door drive mechanism. The linear door drive mechanism is operable to selectively drive the door drive mount, the attached door, and the pivot arm between the open position and the closed position. | 01-15-2015 |
20140367206 | System and Method for Reducing Speed of An Elevator - A system and method for controlling speed of an elevator car in an elevator system is disclosed. The elevator car may have a speed governor adapted to trip when an electrical tripping point of the speed governor is reached. The elevator system may also have a control system for controlling operation of the elevator car, the control system providing a speed reducing switch adapted to trip when a software tripping point of the speed reducing switch is reached, the software tripping point being reached before the electrical tripping point of the speed governor. | 12-18-2014 |
20140360818 | ELEVATOR SYSTEM INCLUDING A CAR STOP FOR MAINTAINING OVERHEAD CLEARANCE - An exemplary elevator system includes an elevator car. At least one guiderail is situated for guiding movement of the elevator car. A machine mount is supported by the guiderail near a top of the guiderail. A car stop is supported on the elevator car. The car stop is selectively moveable between a first position and a second position. In the first position the car stop allows the elevator car to travel to a maximum vertical position. In the second position the car stop is situated to contact the machine mount to prevent the elevator car from reaching the maximum vertical position. | 12-11-2014 |
20140353113 | Auxiliary Brakes for Passenger Conveyors - Passenger conveyors with auxiliary brake systems are disclosed. The passenger conveyors include a truss that rotatably supports a loop sprocket at one end and a turnaround at an opposite end with an endless loop extending around the loop sprocket and the turnaround. The loop includes a plurality of rollers linked together. The truss is also coupled to a brake bar that has a braking surface, a downstream end and an upstream end. The brake bar is suspended above and biased towards the loop sprocket with the downstream end of the brake bar disposed a greater distance from the loop than the upstream end of the brake bar. A friction bar, which includes a first side that mateably engages the loop when placed onto the loop, is also provided that includes a top. The friction bar is suspended above the loop by an actuator, which is linked to a controller. The controller sends a signal to the actuator to place the first side of the friction bar onto a section of the loop as the section of the loop passes beneath the downstream end of the brake bar. As the friction bar passes between the loop and the brake bar, frictional engagement between the flat side of the friction bar and the braking surface of the brake bar brakes, impedes the movement of or simply stops the loop. | 12-04-2014 |
20140353091 | ELEVATOR TRAVELLING CABLE PROTECTION - An exemplary device for protecting an elevator travelling cable connected to an elevator car comprises a deflector that is configured to be secured to one of an elevator car or the travelling cable. The deflector allows the travelling cable to extend below an associated elevator car a first distance from a bottom of the elevator car when the elevator car is at least a selected height above a bottom of a hoistway. The first distance is at least equal to a natural dynamic bending radius of the travelling cable. The deflector facilitates the travelling cable extending below the bottom of the elevator car a second distance that is less than the natural dynamic bending radius when the elevator car is below the selected height. | 12-04-2014 |
20140311257 | Brake Torque Monitoring and Health Assessment - A method for monitoring brake torque of an elevator having a motor is provided. The method may engage an elevator brake for a predefined duration, determine a displacement of an output shaft of the motor during the predefined duration, and generate an alert if the displacement exceeds a predefined threshold. | 10-23-2014 |
20140291076 | ELEVATOR SYSTEM BELT - A belt for suspending and/or driving an elevator car includes a plurality of wires arranged into a plurality of cords. The plurality of cords includes one or more inner cords located at an innermost portion of the belt relative to a lateral end of the belt and one or more outer cords located laterally outboard of the one or more inner cords. The one or more outer cords have a construction distinct from the one or more inner cords. A jacket substantially retains the plurality of cords. | 10-02-2014 |
20140284144 | SINGLE BRAKESHOE TEST (ELECTRICAL) FOR ELEVATORS - An example elevator brake includes a first braking member that is biased by a first spring member into engagement with a braking surface. The first braking member includes a first armature arranged to be actuated by an electromagnetic actuator to disengage the first braking member from the braking surface against the biasing force of the first spring member. A second braking member is biased by a second spring member into engagement with a braking surface. The second braking member includes a second armature arranged to be actuated by an electromagnetic actuator to disengage the second braking member against the biasing force of the second spring member. A first electromagnetic actuator actuates the first armature and a second electromagnetic actuator actuates the second armature. | 09-25-2014 |
20140251753 | PASSENGER CONVEYOR WITH MOVABLE LATERAL PANEL MEMBERS - A passenger conveyor, comprises: an endless tread band, the endless tread band comprising a plurality of treads, at least one endless drive chain, the drive chain being driven around a first and a second turnaround section by means of a drive, the drive chain comprising a plurality of drive chain links, each of the drive chain links having associated thereto a respective drive chain roller, consecutive of the drive chain links being connected via the drive chain rollers, a plurality of the treads being connected to the drive chain, and at least one panel member located on a lateral side of the treads such as to be movable with respect to the treads, the at least one panel member being supported such as to remain stationary with respect to one of the drive chain links, wherein each of the treads is associated with a plurality of consecutive panel members. | 09-11-2014 |
20140238783 | Guide Rail for Elevator - A method of making a guide rail for an elevator system method comprising the steps of: providing a guide rail; applying a protective layer to the guide rail for corrosion protection; and removing at least a portion of the protective layer. A sheet metal guide rail for an elevator system comprises a base portion; and a blade portion extending from the base portion. The blade portion includes: a first section for engaging a guiding device and/or a safety of the elevator system; and a second section for engaging a guiding device and/or a safety of the elevator system. The second section contacts the first section. The sheet metal guide rail could be made using the aforementioned method. | 08-28-2014 |
20140231181 | ELEVATOR BRAKE CONTROL - An exemplary elevator brake control device includes a relay switch that is associated with a safety chain configured to monitor at least one condition of a selected elevator system component. The relay switch is selectively closed to allow power supply to an electrically activated elevator brake component responsive to the monitored condition having a first status. The relay switch is selectively opened to prevent power supply to the brake component responsive to the monitored condition having a second, different status. A solid state switch is in series with the relay switch between the relay switch and the brake component. A driver selectively controls the solid state switch to selectively allow power to be supplied to the brake component only if the relay switch is closed and the monitored condition has the first status. | 08-21-2014 |
20140216854 | MACHINE ROOMLESS HYDRAULIC ELEVATOR SYSTEM - An exemplary elevator system includes a hoistway. An elevator car is supported within the hoistway. The hydraulic cylinder is associated with the elevator car for selectively moving the elevator car. A reservoir is within the hoistway. The reservoir is configured to contain fluid for selectively causing extension of the cylinder. A control valve within the hoistway controls communication of the fluid between the reservoir and the cylinder. A controller within the hoistway controls movement of the elevator car. An access panel is on one side of the hoistway for selectively closing and opening into the hoistway near the control value and the controller. The opening provides access to at least the control valve and the controller from outside of the hoistway. | 08-07-2014 |
20140190774 | CIRCULATION TRANSPORT SYSTEM - An elevator system includes two or more hoistways. One or more elevator cars are located in a first of the two or more hoistways and movable to a second hoistway of the two or more hoistways. The system further includes one or more elevator car transfer mechanisms including a transfer cage receptive of an elevator car of the one or more elevator cars and one or more transfer rails extending from the first hoistway to the second hoistway. The transfer cage is connected to the one or more transfer rails and is configured to transfer the elevator car received in the transfer cage by movement of the transfer cage along the one or more transfer rails from the first hoistway to the second hoistway. | 07-10-2014 |
20140166409 | ELEVATOR CAR ASSIGNMENT STRATEGY THAT LIMITS A NUMBER OF STOPS PER PASSENGER - An exemplary method of controlling an elevator system includes determining that a new passenger requests elevator service a departure floor to a destination floor. Any candidate elevator cars are ranked. A number of stops for each assigned passenger for a ranked candidate elevator car is determined if the new passenger were assigned to that car. A determination is made whether any ranked candidate elevator car is a qualified car that can accept the new passenger and limit a number of stops for each passenger assigned to that car to a desired maximum number of stops. The new passenger is assigned to a qualified car that has a most favorable ranking of any qualified cars. | 06-19-2014 |
20140166408 | Drive and Elevator Electronics in Bedplate - A bedplate assembly is provided. The bedplate assembly may include a support member having a mounting surface for receiving a machine, a compartment internally disposed within the support member, and electronics disposed within the compartment. | 06-19-2014 |
20140158476 | Adjustable Safety Brake - A brake device having a block member, a first and second brake member movable relative to each other, and at least one adjustment member positioned between the block member and the first brake member to adjust the distance there between. | 06-12-2014 |
20140158470 | DEVICE FOR PREVENTING TRAVEL OF AN ELEVATOR WITH ITS DOORS OPEN - An exemplary device for preventing travel of an elevator car when a car door is open includes a receiver that remains in a fixed position relative to a hoistway wall. A stop member moves responsive to the car door moving toward an open position such that the stop member engages the receiver to prevent movement of the elevator car when the door is open. | 06-12-2014 |
20140151160 | ELEVATOR SYSTEM FIXTURES AND SERVER FOR CONTROLLING THE FIXTURES - An exemplary system for communicating with an elevator passenger includes a plurality of elevator passenger interface devices configured to allow an elevator passenger to indicate at least an elevator service request. The interface devices are configured to communicate at least elevator service information to an elevator passenger. A server communicates with the plurality of interface devices. The server is configured to determine when there is input at any of the interface devices. The server is configured to determine a meaning of such input. The server is also configured to determine output to provide at the corresponding interface device and to communicate the determined output to the corresponding interface device. The determined output is responsive to the determined meaning of the input. | 06-05-2014 |
20140102833 | Elevator Device And Roller Guide Assembly - An exemplary roller guide assembly for an elevator device comprises a shaft supporting a roller for engaging a guide rail, a shaft support member that receives the shaft therein, and a member inserted between the shaft and the aforementioned shaft support member. According to this invention, because the shaft is supported by the shaft support member via the elastic member, when the rollers are biased in the horizontal direction by the guide rail, the member limits the shaft from turning relative to the shaft support member. | 04-17-2014 |
20140101916 | METHOD OF ASSEMBLING AN ELEVATOR MACHINE FRAME - An exemplary method of assembling an elevator machine frame includes situating at least a portion of a motor in a desired position, placing an elevator frame support plate against the portion of the motor, connecting a plurality of support rods to the support plate and connecting another support plate to the support rods such that the support plates are spaced from each other and in a desired alignment with each other. | 04-17-2014 |
20140090931 | Permanent Magnet Centering System for Brake - A brake assembly for an elevator traction machine is disclosed. The brake assembly may include a rotating element, a fixed element mounted in operational association with the rotating element and a positioning device connected to the fixed element. The positioning device may additionally magnetically interface with the rotating element to facilitate centering of the fixed element relative to the rotating element. | 04-03-2014 |
20140076669 | Elevator Tension Member - Elevator tension members are disclosed. The disclosed tension member longitudinally extends along a longitudinal axis and includes a plurality of fibers formed into one or more primary strands or cords extending parallel to the longitudinal axis and a plurality of fibers formed into one or more secondary strands or cords extending parallel to the longitudinal axis and through less than the full length of the belt, and a jacket retaining the primary and secondary strands or cords. The secondary strands or cords have a tensile modulus greater than a tensile modulus of the jacket and less than a tensile modulus of the primary strands or cords. Methods of making the tension member are also disclosed. | 03-20-2014 |
20140069746 | Non-Linear Stiffness Roller Assembly - A roller apparatus is provided. The roller apparatus may include a bearing wheel configured to rotatably couple the roller apparatus to a roller shaft, and a resilient member radially disposed about the bearing wheel and configured to contact a guiderail at different magnitudes of loads. The resilient member may include a first section of a first diameter and a second section of a second diameter. The first section may be caused to deflect in response to loads within a first load range, while the second section may be caused to deflect in response to loads within a second load range. The resilient member may exhibit a stepwise increase in stiffness with a gradual increase in load. | 03-13-2014 |
20140069745 | MANAGING REMOTE CONTROL OF AN ELEVATOR SYSTEM - An exemplary method of managing remote control of an elevator system includes preventing any source located remotely from a site of the elevator system from controlling an operation of the elevator system when there is an indication that the elevator system is being serviced by a mechanic. | 03-13-2014 |
20140057768 | SEAL ASSEMBLY FOR A BEARING ASSEMBLY - A passenger conveyor assembly including a roller assembly having an axle member, a bearing member mounted to the axle member, and a roller member rotatably mounted to the bearing member. A seal assembly is mounted to the roller assembly. The seal assembly includes a rotating member mounted for rotation with the roller member and a stationary member fixedly mounted relative to axel member. The rotating member and stationary member cooperate to substantially prevent foreign objects from accumulating at one of the bearing member and the axle member. | 02-27-2014 |
20140041967 | ELEVATOR BRAKE HAVING A BRAKE RELEASE FEATURE - An exemplary braking device for an elevator car includes a first brake member configured to remain fixed relative to an elevator car for applying a braking force to a first side of an element such as a guide rail. A second brake member is moveable relative to the first brake member for applying a braking force to a second side of the element. A brake release member adjacent the first brake member is received against the first side of the element between the first brake member and the first side of the guide rail. The brake release member is moveable relative to the first brake member for selectively releasing the braking device from engagement with the element. | 02-13-2014 |
20140027211 | Coated Rope or Belt for Elevator Systems - Elevator coated ropes or belts are disclosed. The coated rope or belt may include at least one cord and a jacket retaining the at least one cord. The cord may include a plurality of filaments. The filaments are free of second-order helical structure. In a first embodiment, the filaments includes at least one inner filament and a plurality of outer filaments surrounding the at least one inner filament. The outer filaments are bunched together by forming a first-order helical structure through the length of the cord. In a second general embodiment, the filaments are free of both first- and second-order helical structures. The filaments are bunched together by a restraining loop or adhesive at one or more locations along the length of the cord. Methods of making the tension cord are also disclosed. | 01-30-2014 |
20140027210 | ELEVATOR DRIVE POWER SUPPLY CONTROL - An exemplary elevator control system includes an elevator drive. A safety chain is configured to monitor at least one condition of a selected elevator system component. A first switch is operable to interrupt power supply to the elevator drive. The first switch is controlled by the safety chain depending on the monitored condition. A second switch is in series with the first switch. The second switch is operable to interrupt power supply to the elevator drive. The second switch is controlled by the safety chain depending on the monitored condition. A monitoring device is configured to determine when the first and second switches should be in a power supplying condition for supplying power to the elevator drive. One such circumstance is when it is desirable to cause movement of the elevator car. The monitoring device determines that the first switch is in the power supplying condition for allowing the safety chain to control the second switch for supplying power to the elevator drive. The monitoring device determines whether the second switch is in a power supplying condition when the first switch is properly in the power supply condition. The monitoring device is configured to prevent the elevator drive from being powered whenever it determines that either the first switch or the second switch is not in a desired condition. | 01-30-2014 |
20140020986 | TOE GUARD ASSEMBLY FOR AN ELEVATOR SYSTEM - An exemplary elevator assembly includes an elevator car having a frame member. At least one toe guard panel is moveable between a first position and a second position. In the first position the toe guard panel is situated to provide a vertical surface beneath the elevator car and the toe guard panel has an end spaced a first distance from the elevator car. In the second position the toe guard panel is situated with a second, shorter distance between the end and the elevator car. A moving mechanism coupled with the toe guard panel selectively moves the toe guard panel from the first position into the second position. An instigator member situated in a selected vertical position interacts with the moving mechanism to begin movement of the toe guard panel from the first position when the frame member of the elevator car is approximately at the selected vertical position. | 01-23-2014 |
20140015168 | TENSION MEMBER AND POLYMER JACKET ASSEMBLY INCLUDING A GEOMETRY STABILIZER IN THE JACKET - An exemplary assembly includes at least one elongated tension member. A jacket covers at least some of the tension member. The polymer jacket comprises a polymer material including a melamine based geometry stabilizer that facilitates maintaining the jacket material near the tension member if the assembly is subjected to a high temperature condition. | 01-16-2014 |
20140014441 | Optics Based Sensor Device - A feedback system for a motor of an elevator system is provided. The feedback system may include a first sensor and a processing circuit. The first sensor may be disposed in proximity to a drive component of the elevator system and configured to detect a change in position of the drive component. The processing circuit may be configured to receive a first data signal from the first sensor corresponding to the change in position of the drive component and generate a feedback signal for controlling the motor based on the first data signal. | 01-16-2014 |
20140008157 | ELEVATOR BRAKING SYSTEM - An elevator system includes one or more rails fixed in a hoistway and an elevator car configured to move through the hoistway along the one or more rails. The system includes one or more braking systems having one more braking surfaces secured to the elevator car and frictionally engageable with one or more rails of the elevator system. One or more actuators are operably connected to the one or more braking surfaces configured to urge engagement and/or disengagement of the one or more braking surfaces with the rail to stop and/or hold the elevator car during operation of the elevator system. | 01-09-2014 |
20140008154 | ELEVATOR TENSION MEMBER - A belt for suspending or driving an elevator car includes a plurality of wires arranged into one or more cords; and a jacket substantially retaining the one or more cords. At least one of the one or more cords includes a plurality of non-load bearing filler filaments interposed between adjacent wires of the plurality of wires. An elevator system includes an elevator car, one or more sheaves, and one or more belts operably connected to the car and interactive with the one or more sheaves for suspending or driving the elevator car. Each belt of the one or more belts includes a plurality of wires arranged into one or more cords and a jacket substantially retaining the one or more cords. At least one of the one or more cords includes a plurality of non-load bearing filler filaments interposed between adjacent wires of the plurality of wires. | 01-09-2014 |
20140008153 | ELEVATOR LOAD BEARING MEMBER - A load bearing member for supporting an elevator car has a plurality of tension members that bear the weight of the elevator car. The plurality of tension members extends along a length. An outer cover at least partially covers the plurality of tension members and has a first surface and a second surface. | 01-09-2014 |
20130333984 | ELEVATOR CAB WALL PANEL - An exemplary elevator cab wall panel includes a plurality of panel members that are selectively moveable relative to each other to adjust the size of the panel. The panel is useful for selectively covering a space between a car operating panel and a nearby surface in an elevator cab. The wall panel provides a finished wall surface in the space. | 12-19-2013 |
20130327596 | ELEVATOR SYSTEM INCLUDING A 4:1 ROPING ARRANGEMENT - An exemplary elevator system includes an elevator car. At least one guiderail guides movement of the elevator car. The guiderail has a length in a direction of movement of the elevator car and a depth generally perpendicular to the length. A plurality of flat belts are situated relative to the elevator car such that movement of the flat belts for causing movement of the elevator car is approximately four times a corresponding movement of the elevator car. A plurality of sheaves is situated for directing the flat belts as the belts at least partially wrap around the sheaves. The plurality of sheaves remains fixed near one end of the guide rail. The plurality of sheaves rotate about coaxially aligned axes and have a collective width along the axes that is no greater than the depth of the guiderail. | 12-12-2013 |
20130313052 | Stop Sequencing for Braking Device - An elevator system including a braking system, and a method of retrofitting an elevator for such braking system is disclosed. The braking system may comprise a first brake having a first magnetic brake coil, the first brake movable between a disengaged and an engaged position, a second brake having a second magnetic brake coil, the second brake movable between a disengaged and an engaged position, and a brake control device having a brake power source. The brake control device may be electrically connected to the first and second brakes and may be configured to selectively delay or sequence the movement of the first brake and the second brake to the engaged position with residual current from the brake coils. | 11-28-2013 |
20130306409 | ELEVATOR GOVERNOR HAVING TWO TRIPPING MECHANISMS ON SEPARATE SHEAVES - An exemplary elevator system includes an elevator car. A first governor sheave is supported on the elevator car for movement with the elevator car. The first governor sheave is supported for rotational movement relative to the elevator car responsive to movement of the elevator car. A first governor tripping mechanism is supported on the first governor sheave. The first governor tripping mechanism provides an indication to perform a first governor function for controlling the speed of the elevator car responsive to the elevator car moving at a speed above a first threshold speed. A second governor sheave is supported on the elevator car for movement with the elevator car and for rotational movement relative to the elevator car responsive to movement of the elevator car. A second governor tripping mechanism is supported on the second governor sheave. The second governor tripping mechanism provides an indication to perform a second governor function for controlling a speed of the elevator car responsive to the elevator car moving at a speed above a second threshold speed. | 11-21-2013 |
20130277152 | FRICTIONAL DAMPER FOR REDUCING ELEVATOR CAR MOVEMENT - An exemplary device for use in an elevator system includes at least one friction member that is selectively moveable into a damping position in which the friction member is useful to damp movement of an elevator car associated with the device. A solenoid actuator has an armature that is situated for vertical movement. The armature moves upward when the solenoid is energized to move the friction member into the damping position. The armature mass urges the armature in a downward vertical direction causing the friction member to move out of the damping position when the solenoid is not energized. | 10-24-2013 |
20130270061 | REGENERATIVE POWER CONTROL FOR PASSENGER CONVEYORS - An exemplary device for controlling power associated with a passenger conveyor motor includes a regenerative drive that is configured to facilitate providing electricity generated by the motor to a power source when the passenger conveyor is moving. The controller determines when an operating condition of the regenerative drive is outside of a desired range and responsively prevents the regenerative drive from facilitating providing the electricity to the power source. | 10-17-2013 |
20130270045 | Elevator Control Systems - An elevator control system includes a control power supply, a computing core in communication with the control power supply, a communication power supply in communication with the computing core, and a sleep monitor in communication with the control power supply, the computing core, and the communication power supply. The sleep monitor is disposed to selectively turn on/off the control power supply and the computing core, and the sleep monitor is disposed to selectively change an operating state of the communication power supply to a low voltage state. | 10-17-2013 |
20130270044 | ELEVATOR SUSPENSION AND/OR DRIVING ARRANGEMENT - An elevator system includes an elevator car, one or more sheaves, and one or more belts operably connected to the car and interactive with the one or more sheaves for suspending and/or driving the elevator car. The one or more belts include a plurality of wires arranged into one or more cords, and a jacket substantially retaining the one or more cords. A cord ratio, between a smallest sheave diameter (D) of the one or more sheaves of the elevator system that are interactive with the belt and a largest cord diameter (d | 10-17-2013 |
20130270043 | ELEVATOR SYSTEM BELT - A belt for suspending and/or driving an elevator car includes a plurality of wires arranged into one or more cords and a jacket substantially retaining the one or more cords. Each cord includes a plurality of wires arranged around at least one non load-bearing core. An elevator system includes an elevator car and one or more sheaves. One or more belts are operably connected to the car and interactive with the one or more sheaves for suspending and/or driving the elevator car. Each belt of the one or more belts includes a plurality of wires arranged into one or more cords and a jacket substantially retaining the one or more cords. Each cord includes a plurality of wires arranged around at least one non load-bearing core. | 10-17-2013 |
20130240302 | Method And System For Active Noise Or Vibration Control Of Systems - A system for active control of noise and/or vibration includes an electric machine; at least one sensor for sensing at least one of noise and vibration in the machine and generating at least one of an audio signal representing noise and a vibration signal representing vibration; a controller obtaining at least one of the noise signal and the vibration signal, the controller generating control signals to reduce at least one of noise and vibration in the machine; and power electronics receiving the control signals and generating drive signals for the machine. | 09-19-2013 |
20130233652 | ELEVATOR SYSTEM WITH EMERGENCY OPERATION AND BACKUP POWER SUPPLY AT THE SAME LOCATION AS THE ELEVATOR DRIVE - An exemplary elevator system includes an elevator car situated for movement within a hoistway. An elevator drive provides control over a position of the elevator car in the hoistway. A backup power source provides power when the primary power source is unavailable. An emergency controller uses power from the backup power source for controlling the position or movement of the elevator car within the hoistway when the primary power source is unavailable. The elevator drive, the emergency controller and the backup power source are all supported together in a single location within the hoistway. | 09-12-2013 |
20130228400 | Speed and Position Detection System - An elevator associated within a hoistway and having a speed and position detection system is disclosed. The elevator may include an elevator component associated within the hoistway, an optical sensor associated within the hoistway, an object associated within the hoistway in such a manner to be aligned in a path of the optical sensor, and a processor operatively coupled to the optical sensor. The optical sensor may be capable of emitting a signal and receiving a reflected signal of the emitted signal. The object may have surface features that may reflect the signal. The processor may be capable of processing the reflected signal to provide an output indicative of a speed and position of the elevator component. | 09-05-2013 |
20130207668 | Simplified Resistance Based Belt Inspection - A resistance circuit for monitoring a support structure is provided. The resistance circuit may include a first set of resistors disposed at a belt-side and a second set of resistors disposed at a monitor-side. The first set of resistors may be configured to indicate one or more voltages thereacross corresponding to an effective resistance of the support structure. The first set of resistors may include at least one temperature-dependent resistor. The second set of resistors may be configured to indicate one or more voltages thereacross corresponding to an initial effective resistance of the support structure. The second set of resistors may include at least one switched resistor having an adjustable resistance capable of selectively approximating the initial effective resistance. | 08-15-2013 |
20130192952 | PROFILE TRACK INTEGRATED DRIVE SYSTEM - A method for assembling a drive system for an escalator system includes securing one or more track sets extending along a path of the escalator to one or more support members extending at least partially across a width of the escalator system. A drive member is secured to the one or more support members such that the drive member is operably connected to the one or more track sets. The one or more track sets, the one or more support members and the drive member are installed into the escalator system as a unit. | 08-01-2013 |
20130192932 | ELEVATOR SAFETY SYSTEM AND METHOD - An elevator safety system including a controller, and a hoistway safety node arranged at a pit portion of an elevator hoistway. The hoistway node is operatively connected to one of a pit safety device and a lower hoistway device arranged at the elevator pit. A first bus links the hoistway node and the controller. The first bus passes communication signals directly from the hoistway node to the controller. A car node is arranged in an elevator car. The car node is operatively connected to a car safety device arranged at the elevator car. A second bus links the car node and the controller. The second bus passes communication signals directly from the car node to the controller. | 08-01-2013 |
20130180822 | Passenger Conveyor with Movable Lateral Panel Members - The invention relates to a passenger conveyor, comprising an endless transportation band comprising a plurality of transportation elements, at least one endless transportation chain drivably connected to the transportation band, the transportation chain comprising a plurality of transportation chain links, a plurality of transportation chain rollers, consecutive of the transportation chain links being connected via a respective of the transportation chain rollers, and a plurality of transportation chain roller axles, each of the transportation chain roller axles connecting a respective of the transportation elements to the transportation chain, the transportation elements comprising first transportation elements being supported by a respective transportation chain roller axle, and second transportation elements being supported by a transportation element axle. | 07-18-2013 |
20130171463 | LOAD BEARING MEMBER HAVING PROTECTIVE COATING AND METHOD THEREFOR - A load bearing member includes at least one elongated tension member having at least one wire and a protective coating on the elongated tension member. The protective coating includes a first corrosion inhibitor having an oxide-forming metal, a second corrosion inhibitor having a rare earth metal, and a third corrosion inhibitor having an organic material. | 07-04-2013 |
20130168190 | BEST GROUP SELECTION IN ELEVATOR DISPATCHING SYSTEM INCORPORATING REDIRECTOR INFORMATION - An elevator dispatching system includes a plurality of elevator groups, each of the plurality of elevator groups comprising a group controller and a plurality of elevator cars, each of the plurality of elevator groups serving a respective set of floors; and a redirector configured to receive a service request comprising a destination floor, and, in the event more than one elevator group serves the destination floor, determine a best group to service the request from the plurality of elevator groups based on information stored in the redirector, wherein the group controller of the determined best group is configured to determine a best car from the plurality of elevator cars in the determined best group. | 07-04-2013 |
20130167967 | Elevator Suspension and/or Driving Assembly Having at Least One Traction Surface Comprising Exposed Weave Fibers - An exemplary elongated elevator load bearing member includes a plurality of tension elements that extend along a length of the load bearing member. A plurality of weave fibers transverse to the tension elements are woven with the tension elements such that the weave fibers maintain a desired spacing and alignment of the tension elements relative to each other. The weave fibers at least partially cover the tension elements. The weave fibers are exposed and establish an exterior, traction surface of the load bearing member. | 07-04-2013 |
20130162266 | Resistance-Based Monitoring System and Method - A monitoring system for a support structure is provided. The monitoring system may include a resistance circuit coupled to the support structure, and an interface circuit coupled to the resistance circuit. The resistance circuit may include a first set of resistors and a second set of resistors, wherein the second set of resistors is configured to provide a reference voltage. The interface circuit may include one or more comparators, wherein each comparator is configured to compare a voltage across at least one of the resistors with the reference voltage and generate an output signal corresponding to the comparison. The interface circuit may be configured to continuously monitor an effective resistance of the support structure based on the output signals. | 06-27-2013 |
20130140134 | Remote Controlled Passenger Conveyor and Method for Remotely Controlling a Passenger Converyor - A system and method for remotely controlling a passenger conveyor is disclosed. The system and method may include capturing an image of a passenger conveyor and a status changing object with a camera, sending an initiate command from a remote control center to the status changing object, calculating a time delay based on a time the initiate command is sent from the remote control center to a time the image of the status changing object verifies that the status changing object is responding to the initiate command, confirming that no passengers are present on the passenger conveyor and initiating a limited time frame for remote control of the passenger conveyor based on the time delay calculated. | 06-06-2013 |
20130133983 | ELEVATOR SYSTEM WITH ROPE SWAY DETECTION - An exemplary elevator system includes a first mass that is moveable within a hoistway. A second mass is moveable within the hoistway. A plurality of elongated members couple the first mass to the second mass. At least one damper is positioned to selectively contact at least one of the elongated members if sway occurs. A sensor is associated with the damper. The sensor detects contact between the damper and the at least one of the elongated members. A controller adjusts at least one aspect of elevator system operation responsive to the detected contact. | 05-30-2013 |
20130119965 | REGULATED BOOTSTRAP POWER SUPPLY - An exemplary power supply includes a low side switch and a high side switch. A driver controls operation of the high side switch. A bootstrap capacitor supplies power to the driver. An energy storage portion is in parallel with the bootstrap capacitor to provide control over whether a voltage of the bootstrap capacitor drops below a desired voltage. A voltage regulator is in parallel with the bootstrap capacitor for limiting current provided to the bootstrap capacitor and for regulating a voltage of the bootstrap capacitor. | 05-16-2013 |
20130119910 | ELEVATOR MOTOR POWER SUPPLY CONTROL - An exemplary power supply assembly includes a drive device having a bus capacitor. A switch associated with an input side of the drive device selectively connects the drive device to a power supply. An inductor has an impedance that limits an amount of current supplied to the bus capacitor during an initial charging of the bus capacitor when the switch connects the input side of the drive device to the power supply. A restrictive circuit portion dampens a resonance effect of the inductor. The restrictive circuit portion has a resistance that allows the bus capacitor to charge quickly. The impedance of the inductor has a more significant effect on how quickly the bus capacitor charges than an effect of the resistance. A dampening factor of the restrictive circuit controls a voltage of the bus capacitor during the charging of the bus capacitor. | 05-16-2013 |
20130112507 | ELEVATOR REGENERATIVE DRIVE CONTROL REFERENCED TO DC BUS - An exemplary elevator drive includes a DC bus. At least some power components in a power section are electrically referenced to the DC bus. At least some control components in a control section including a drive controller and associated inputs are electrically referenced to the DC bus. This eliminates any requirement for isolating the components referenced to the DC bus from each other. | 05-09-2013 |
20130106422 | Switch Detection System | 05-02-2013 |
20130098711 | INTEGRATED ELEVATOR SAFETY SYSTEM - A device for stopping an elevator car travelling up or down along guiderails installed in a hoistway includes a chassis mounted on a side of the car, and an overspeed governor, a guiding device and safety gear mounted on the chassis. The overspeed governor detects when a car overspeed is occurring. The guiding device guides the elevator car along a guiderail. The safety gear is vertically aligned with the guiding device on the chassis and stops the elevator car by frictionally engaging the elevator guiderail, which passes through a channel formed in each of the safety gear and the guiding device. The safety gear causes the elevator car to stop by frictionally engaging the guiderail when the overspeed governor detects a car overspeed is occurring. | 04-25-2013 |
20130081905 | BRAKE ASSEMBLY - An elevator brake component used in a friction brake of an elevator includes a metal plate that is frictionally engaged with another brake component when the elevator brake is engaged. The plate includes a non-stick finish on the metal plate on a surface of the plate that is frictionally engaged when the elevator brake is engaged by the other brake component. | 04-04-2013 |
20130062146 | Elevator System Belt Having Connecting Devices Attached Thereto - An assembly comprising (a) a belt, which includes a plurality of wire cords extending lengthwise of the belt with spaces therebetween, and includes a coating of the cords extending into the spaces between the cords, said belt being configured for use in an elevator system as a suspension belt for a car and a counterweight, or being configured for use in an elevator system as a drive belt for a car or for a counterweight, or being configured for use in an elevator system as a combined suspension and drive belt for a car and a counterweight; (b) a first connecting device including a first number of cord contacting elements providing electrical connections contacting element-to-cord; and (c) a second connecting device, including a second number of cord contacting elements providing electrical connections contacting element-to-cord, and including at least two conductive elements, each being electrically connected to a respective one of the cord contacting elements, the conductive elements being provided for making electrical connections to a belt monitoring unit which monitors the proper condition of the cords on the basis of electrical signals passed through the cords; (d) wherein at least one of the first and second connecting devices includes at least one bridge type cord contacting element, which extends into the gap between two cords and provides electrical connection to both cords, thereby electrically connecting the two cords. | 03-14-2013 |
20130056306 | Braking Device for a Door Operator - A device for inhibiting the closing of a door that controls entry of an enclosure includes a first magnet disposed on a driven portion of the device and a second magnet disposed on a fixed portion of the enclosure. The first magnet and the second magnet are configured to be in register with each other as the door moves toward a closed position such that if the first magnet and the second magnet are in register with each other, a pole of the first magnet is in close proximity of a pole of the second magnet such that the first magnet and the second magnet react to each other to inhibit motion of the door towards the closed position. | 03-07-2013 |
20130048433 | ELEVATOR DOOR COUPLER ASSEMBLY - An elevator door assembly includes car and hoistway door subassemblies. The car door subassembly includes: a car door, a door mover, and first and second vanes supported for movement relative to the car door. The hoistway door subassembly includes: a hoistway door; a locking member that selectively locks the hoistway door; and a coupler member associated with the locking member. When the car door is adjacent the hoistway door: the first vane moves into contact with the coupler member and causes the locking member to move into an unlocked position, prior to movement of the car and hoistway doors; and the second vane is retained in a non-blocking position by the coupler member. When the car door is not adjacent the hoistway door, movement of the car door toward the open position moves the second vane into a blocking position in which further movement of the car door is inhibited. | 02-28-2013 |
20130045363 | Elevator Suspension and/or Driving Assembly Having at Least One Tractor Surface Defined by Weave Fibers - An exemplary elongated elevator load bearing member of a traction elevator system includes a plurality of tension elements. A plurality of weave fibers transverse to the tension elements are woven with the tension elements. The weave fibers define at least one traction surface of the load bearing member. | 02-21-2013 |
20130042939 | Method of Making a Woven Fabric Having a Desired Spacing Between Tension Members - An exemplary method of making a woven fabric includes weaving a plurality of load supporting tension members and a plurality of cross fibers together into a woven fabric. A spacing between adjacent ones of the tension members has a first dimension. At least some of the cross fibers are shrunk to thereby decrease the spacing between the adjacent ones of the tension members to a second, smaller dimension. In another example, two woven fabrics are positioned next to each other. The two fabrics include a spacing between adjacent tension members having a first dimension. At least one tension member of one woven fabric is aligned with and between two of the tension members of the other fabric to thereby decrease the spacing to a second, smaller dimension. | 02-21-2013 |
20130025976 | SAFETY CIRCUIT - An exemplary safety circuit includes a plurality of contacts that are configured to establish a conductive path across the contacts when the contacts are in electrically conductive contact with each other. The contacts selectively interrupt the conductive path across them when the contacts are separated. A controller selectively introduces a voltage pulse across the contacts at a voltage level that is effective to overcome an electrical resistance of any contamination on at least one of the contacts. The controller introduces the voltage pulse at least when the contacts are expected to be in contact to establish the conductive path. | 01-31-2013 |
20130025975 | Retractable Stop for Low Overhead Elevators - A retractable stop and the method of use thereof to control travel range of an elevator system are disclosed. The retractable stop may include a vertical mounting bracket, an impact plate, and a support member. The support member may include an upper end pivotably connected to a distal portion of the impact plate and a lower end movable in relation to the mounting bracket. The proximal portion of the impact plate may be pivotably connected to the mounting bracket. When the retractable stop is in a retracted position, the impact plate does not significantly contribute to the lateral profile of the retractable stop. | 01-31-2013 |
20130025974 | Braking Device - A braking device for an elevator is disclosed. The device may include a motor, a braking system, a first switch, and a second switch. The motor may be capable of generating a counter-electromotive force. The braking system may move to a disengaged position upon being energized and may move to an engaged position upon being de-energized. The first and second switches may have an open state. In the open state, the switches electrically couple the motor to the braking system so that the counter-electromotive force of the motor may energize the braking system. | 01-31-2013 |
20120325589 | BEST GROUP SELECTION IN ELEVATOR DISPATCHING SYSTEM INCORPORATING GROUP SCORE INFORMATION - An elevator dispatching system includes a plurality of elevator groups, each of the plurality of elevator groups comprising a group controller and a plurality of elevator cars, each of the plurality of elevator groups serving a respective set of floors; and a redirector configured to receive a service request comprising a destination floor, and, in the event more than one elevator group serves the destination floor, communicate the service request to the group controllers of the more than one elevator groups, wherein the respective group controllers of the more than one elevator groups are configured to each determine a respective group score, and communicate the respective group score to the redirector, and the redirector is further configured to determine the best group based on the respective group scores. | 12-27-2012 |
20120325588 | Healthcheck of Door Obstruction Device - Automatic door systems and methods capable of determining proper functionality thereof are provided. The door systems are provided with a healthcheck module which automatically determines functionality of the door system by initially monitoring a first output signal provided by a first sensor and a second output signal provided by a second sensor. More specifically, the healthcheck module correlates the first output signal with the second output signal and operates one or more doors of a door system according to the correlation. The healthcheck module then monitors the second output signal provided by the second sensor to determine the ability of the one or more doors to close, and determines functionality of the door system accordingly. | 12-27-2012 |
20120285796 | Kinematically-Driven Slow Delivery Lubrication System - Lubrication systems for transport systems are disclosed that are powered by a rotating shaft of the transport system. The lubrication system includes at least one circular member mounted on the rotating shaft. The at least one circular member is coupled to and imparts rotation to a third circular member and separately to a fourth circular member for imparting rotation there to. The third circular member is coupled to a first linkage. The first linkage extends from the third circular member to a fifth circular member. The fourth circular member is coupled to a second linkage. The second linkage couples the fourth circular member to the first linkage between the third and fifth circular members. The fifth circular member is coupled to a pump shaft. | 11-15-2012 |
20120279827 | ESCALATOR HANDRAIL CHAIN - A handrail assembly for an escalator system includes a handrail movable along a length of the escalator and a handrail guide assembly defining a travel path for the handrail. The handrail guide assembly includes a handrail guide and a plurality of sliding bearing supports interconnected to form a handrail chain and secured to the handrail guide. One or more sliding bearings extend at least partially through each sliding bearing support of the handrail chain. A shaft extends through each sliding bearing support and is in sliding contact with the one or more sliding bearings. One or more rollers are secured to at least one end of the shaft and is in rolling contact with the handrail. | 11-08-2012 |
20120279808 | WIRELESS DESTINATION ENTRY FOR ELEVATOR DISPATCHING SYSTEM - A method for wireless destination entry in an elevator dispatching system, the elevator dispatching system comprising a wireless transmitter/receiver (T/R) includes receiving a request to join a network of the T/R from a wireless device; pushing a web page from the T/R to the wireless device; receiving a service request by the T/R from the wireless device via the web page; communicating the service request from the T/R to a group controller; and dispatching an elevator car by the group controller to service the service request. A elevator dispatching system and a computer program product comprising a computer readable storage medium contain computer code that, when executed by a computer, implements a method for wireless destination entry in an elevator dispatching system, the elevator dispatching system comprising a wireless transmitter/receiver, are also provided. | 11-08-2012 |
20120261217 | REGENERATIVE DRIVE WITH BACKUP POWER SUPPLY - A system continuously drives a motor during normal and power failure operating conditions. A regenerative drive delivers power to the motor from a main power supply during the normal operating condition and from a backup power supply during the power failure operating condition. A controller operates the regenerative drive to provide available power on the regenerative drive to the backup power supply during the normal operating condition. | 10-18-2012 |
20120255813 | GROUP ELEVATOR SCHEDULING WITH ADVANCE TRAFFIC INFORMATION - A near-optimal scheduling method for a group of elevators uses advance traffic information. More particularly, advance traffic information is used to define a snapshot problem ( | 10-11-2012 |
20120247919 | DETECTION OF PEOPLE RELATIVE TO A PASSENGER CONVEYOR WITH A CAPACITIVE SENSOR - A system for detecting a person relative to a passenger conveyor includes a driving circuit for supplying an oscillating drive signal to a first electrode of a capacitive sensor configured to produce an electric field toward a second electrode in response to the oscillating drive signal. A detection circuit is connected to the capacitive sensor, and produces an output as a function of the capacitance of the capacitive sensor, such that the detection circuit senses a change in capacitance of the capacitive sensor, such as when a person enters the electric field between the first and second electrodes. A controller is responsive to the change in capacitance sensed by the detection circuit to selectively adjust an operation mode of the passenger conveyor. | 10-04-2012 |
20120241259 | ELEVATOR SECURITY SYSTEM - The present invention relates to a method of controlling access to floor within a building via elevator. The method includes receiving a passenger input indicating a desired destination floor a passenger seeks to travel to in an elevator, accessing a stored database containing data about which floors passengers are allowed to access via elevator when coming from the floor of the passenger input, determining if access is allowed based upon the desired destination floor and the data, and controlling operation of the elevator to deliver the passenger to the desired destination floor if access is allowed. | 09-27-2012 |
20120217102 | Detector for Electromagnetic Brake - A detector for an electromagnetic brake, for example used in an elevator system, that, by quantitative judgment, determines whether the brake force of the electromagnetic brake is appropriate. Load cells for detecting the recovery forces of brake springs are arranged between brake springs, which energize brake arms with brake shooes installed on them toward the side of brake wheel, and spring sheets, which hold brake springs in a compressive deformed state, and, at the same time, judgment part judges whether the brake force of electromagnetic brake | 08-30-2012 |
20120217099 | ELEVATOR DOOR CONTROLLER SYSTEM - The present invention relates to an elevator door controller system for operating doors of an elevator car. The system includes a travelling cable for delivering DC power to the car. The car includes a power storage device for storing DC power from the travelling cable, a DC motor for operating the car doors, and an elevator door drive powered by the power storage device for driving the DC motor to operate the car doors. | 08-30-2012 |
20120175196 | Remote Access Of An Elevator Control System With Multiple Subsystems - A method and system for remote access to multiple subsystems ( | 07-12-2012 |
20120125720 | Rope Sway Mitigation Via Rope Tension Adjustment - A rope sway mitigation device for an elevator system includes a rope tension adjuster connected to a plurality of ropes operably connected to an elevator car. The rope tension adjuster is configured to adjust a tension of at least one individual rope of the plurality of ropes thereby mitigating excitation of natural frequencies of the plurality of ropes during sway of at least one component of the elevator system and or a building in which the elevator system is located. Further disclosed is an elevator system including a rope sway mitigation device and a method of rope sway mitigation in an elevator system. | 05-24-2012 |
20120112577 | ELEVATOR MACHINE WITH EXTERNAL ROTOR AND MOTOR WITHIN TRACTION SHEAVE - A drive machine ( | 05-10-2012 |
20120111695 | BALUSTRADE AND DECK MOUNTING ASSEMBLY FOR A PASSENGER CONVEYOR - A balustrade assembly includes a decking panel and a skirt panel that are attached to one another and to a balustrade support structure without fasteners. A positioning device included in the balustrade assembly varies the position of the skirt panel relative to moving steps in two directions by pushing against stationary components that are a part of or otherwise connected to a frame of a passenger conveyor. A balustrade support employed in the assembly reduces material and manufacturing costs and is adjustable to vary the height of a balustrade panel and handrails in a passenger conveyor. | 05-10-2012 |
20120111670 | ENERGY SAVINGS WITH OPTIMIZED MOTION PROFILES - An elevator system includes a car, a hoist motor for elevating and lowering the car, a brake for limiting car movement, an input device for selecting a destination for a run, and a controller. The controller receives a command from the input device and controls operation of the hoist motor and the brake. The controller has a loss reduction mode wherein the controller selects a velocity profile for the run that varies according to car load, run direction, and run distance to reduce a combined set of energy losses for the run. | 05-10-2012 |
20120103756 | Signal Correlation For Missing Step Detection In Conveyors - A device and method for detecting a misaligned or missing step of a conveyor are disclosed. The missing step detector includes various sensors for detecting the drive speed of the conveyor and for detecting the presence of pallets or steps. The sensor output signals are correlated to determine fixed values characteristic of the specific conveyor in question. Using the fixed values as reference, the missing step detector is able to effectively monitor the conveyor for misaligned or missing steps independent of conveyor speed and time. | 05-03-2012 |
20120103732 | Elevator Governor System - A governor system for an elevator is disclosed. The governor includes a shaft horizontally extending from a sheave of the governor system. A base, spring, and slider are mounted on the shaft with linkages extending from the base of the sheave to at least one flyweight. The spring and flyweights are sized such that centrifugal force will be sufficient to overcome the biasing force of the spring upon the sheave reaching a certain rotational speed. Overspeed sensors and mechanical switches are positioned proximate the flyweights and flyweights plates such that upon such motion of the flyweights, the governor system is triggered, thereby slowing and ultimately stopping the elevator. The governor system has a greatly reduced space requirement compared to previous governors, as well as a reduced likelihood of false trips due to acceleration or deceleration of the car. | 05-03-2012 |
20120097487 | Building Sway Resistant Elevator Derailment Detection System - An elevator derailment detection system ( | 04-26-2012 |
20120085618 | RELEASABLE STEP LOCKING SYSTEM - A passenger conveyor includes a releasable step locking system having a clamp, a lock, and an actuator. The clamp couples a step to a propulsion mechanism, the lock secures the coupling between the step and the propulsion mechanism, and the actuator changes the state of the lock so that the propulsion mechanism can be either engaged or disengaged from the step. | 04-12-2012 |
20120085593 | GRAVITY DRIVEN START PHASE IN POWER LIMITED ELEVATOR RESCUE OPERATION - When main power to an elevator system | 04-12-2012 |
20120073933 | ESCALATOR DUAL SOLENOID MAIN DRIVE SHAFT BRAKE - A main drive shaft brake for a passenger conveyor includes a braking element, an actuator, and a counter-actuator. The actuator is de-energized to release the braking element and halt operation of the passenger conveyor during an abnormal or emergency condition. An energized counter-actuator permits release of the braking element but, when de-energized, inhibits release of the braking element by the actuator to prevent unintentional release of the braking element caused by, for example, an accidental loss of power to the actuator. | 03-29-2012 |
20120066356 | SYSTEM AND METHOD FOR AUTOMATICALLY ADDRESSNG DEVICES ON A COMMUNICATION NETWORK - A system and method automatically assigns unique addresses to devices connected on a communication bus based on the parameters measured by each device. Assignment of addresses may be provided centrally by a controller or may be distributed, in which each device negotiates with other devices to assign unique addresses to each device. | 03-15-2012 |
20120043180 | Automatic Adjustment of Parameters for Safety Device - A device and method for automatically adjusting safety control parameters of a conveyor are disclosed. The safety device may include various sensors and a safety control module. The safety control module may be preprogrammed with a learn-run method configured to learn operational and mechanical characteristics of a conveyor, validate the operational characteristics of the conveyor based on predefined nominal specifications, and determine a safety function with calibrated safety control parameters by which to monitor conveyor operation. | 02-23-2012 |
20120018256 | PASSIVE DETECTION OF PERSONS IN ELEVATOR HOISTWAY - Passive infrared detectors ( | 01-26-2012 |
20120007465 | ELECTRIC MACHINE HAVING MULTIDIRECTIONAL SKEW - An electric machine includes a rotor rotatable about a central axis. The rotor includes at least one rotor element having a first element edge. A stator includes a stator face facing the rotor and a plurality of stator slots. Each stator slot has at least one stator slot edge located at the stator face. A first edge portion of the at least one stator slot edge is oriented nonparallel to the first element edge in a first direction and a second edge portion of the at least one stator slot edge is oriented nonparallel to the first element edge in a second direction. | 01-12-2012 |
20120006647 | ADJUSTABLE BRACKET FOR STEP FLANGE COVER - A connection between step flange covers | 01-12-2012 |
20120006626 | ELEVATOR SYSTEM INCLUDING MULTIPLE CARS WITHIN A SINGLE HOISTWAY - An elevator system includes first and second elevator cars and counterweights within a hoistway. A first load bearing assembly supports the first elevator car and counterweight and follows a path between a first end supported in a fixed position, at least partially around a first car sheave, at least partially around another sheave separate from the first elevator car and counterweight, at least partially around a first counterweight sheave, and to a second end supported in a fixed position. A second load bearing assembly supports the second elevator car and counterweight and follows a path between a first end supported in a fixed position, at least partially around two second car sheaves, at least partially around another sheave separate from the second elevator car and counterweight, at least partially around a second counterweight sheave to a second end supported in a fixed position. | 01-12-2012 |
20120000732 | ELECTROMAGNETIC SAFETY TRIGGER - An electromagnetic safety trigger | 01-05-2012 |
20120000731 | ELEVATOR OVER-ACCELERATION AND OVER-SPEED PROTECTION SYSTEM - An elevator system | 01-05-2012 |
20120000729 | OVER-ACCELERATION AND OVER-SPEED DETECTION AND PROCESSING SYSTEM - An elevator system | 01-05-2012 |
20110318497 | HOISTWAY SHEAVE RESURFACING - A method of and system for repairing the sheaves ( | 12-29-2011 |
20110315508 | MODULAR CHAIN NEWEL WITH STANDARD BEARING - A roller bearing and newel guide assembly ( | 12-29-2011 |
20110315487 | ARRANGEMENT OF ELEVATOR MACHINES | 12-29-2011 |
20110308895 | ELEVATOR SAFETY DEVICE - An exemplary elevator safety device includes a housing. A brake member is moveably supported by the housing for selective movement between a disengaged position and a braking position. A sensor is supported by the housing and detects movement of the brake member into the braking position. | 12-22-2011 |
20110297489 | ELEVATOR LOAD BEARING MEMBER VIBRATION CONTROL - An exemplary device that is useful for controlling vibrations of an elevator load bearing member includes a guide. A mass is moveable relative to the guide responsive to vibration of the load bearing member to introduce a force to counter the vibration. | 12-08-2011 |
20110259676 | WEAR AND FRICTION CONTROL OF METAL ROPE AND SHEAVE INTERFACES - A coated sheave ( | 10-27-2011 |
20110247900 | OPERATON OF A THREE-PHASE REGENERATIVE DRIVE FROM MIXED DC AND SINGLE PHASE AC POWER SOURCES - A three-phase regenerative drive ( | 10-13-2011 |
20110240408 | METHOD OF MAKING AN ELEVATOR BELT - An exemplary method of making a load bearing elevator traction belt includes applying individual coatings of a jacket material to each of a plurality of tension members such that each tension member is individually coated separately from the other tension members. A portion of the individual coatings are joined together to secure the tension members into a desired alignment and to form a single jacket that establishes a geometry of the belt. | 10-06-2011 |
20110233029 | MOVING SKIRT MECHANISM FOR CHAIN DRIVEN PASSENGER CONVEYORS - A tread plate assembly for a passenger conveyer system includes a first tread plate projecting from a first skirt plate, a second tread plate projecting from a second skirt plate and arranged adjacent the first tread plate, a link pivotally connected to the first skirt plate and slidably and pivotally connected to the second skirt plate, and a bridge member connected to the link and arranged between the first skirt plate and the second skirt plate to form a moving skirt of the passenger conveyer system. | 09-29-2011 |
20110226559 | BATTERY STATE-OF-CHARGE CALIBRATION - Calibration of the state-of-charge (SOC) of a battery-based energy storage system used with a regenerative drive uses an SOC-open circuit voltage (V?oc#191) correlation. The battery is partially charged or discharged to assure operation defined by V?oc#191 following a known V?oc#191-SOC profile, such as a charge or discharge boundary curve. The partial charging/discharging may be synchronized with a traffic profile of an elevator system driven by the regenerative drive. A V?oc#191 measurement is made, and by enhancing the relaxation dynamics of V?oc#191 through regulating battery usage with a reference to traffic profile, a V?oc#191 is estimated more reliably. Using the estimate V?oc#191 and the known V?oc#191-SOC profile, state-of-charge of the battery is determined. | 09-22-2011 |
20110208360 | ON DEMAND ELEVATOR LOAD SHEDDING - Upon request from a power utility to reduce the electrical demand of a building, an elevator system is automatically disconnected from power being delivered by the power utility (or remains connected but receives limited power from the power utility), and a secondary power storage device is connected to the power bus of the elevator system. The secondary power storage device provides power to the elevator system during a period in which the request to reduce electrical load of the building is in effect. When the request end, the elevator system is automatically reconnected to the power delivered by the power utility and can potentially work in a hybrid mode. | 08-25-2011 |
20110202178 | VIDEO-BASED SYSTEM AND METHOD OF ELEVATOR DOOR DETECTION - A video-based system detects the position of elevator doors based on video data provided by one or more video detectors. Based on the detected position of the elevator doors, a distance between the elevator doors can be determined. The operation of the elevator doors is controlled based, at least in part, on the detected distance between the elevator doors. | 08-18-2011 |
20110198158 | DEVICE FOR DRIVING A DOOR OF AN ELEVATOR - A device for driving a door of an elevator includes a door header, a door, and a driving motor. The door header, which is mounted on a frame defining a doorway, includes a vertical portion substantially parallel to a plane of the doorway. The door is movably supported on the frame. The driving motor, which is disposed on the vertical portion of the door header, includes a housing fixed with respect to the vertical portion, a rotating shaft having an axis that is oriented substantially perpendicularly to the vertical portion, a driving pulley, and a driving portion. The rotating shaft is rotatably supported by the vertical portion at one end thereof and is rotatably supported by the housing at the other end thereof. The driving pulley is coupled to the rotating shaft. The driving portion drives the rotating shaft. | 08-18-2011 |
20110168497 | ELEVATOR DOOR SYSTEM - An elevator door system includes an elevator door ( | 07-14-2011 |
20110147131 | THERMAL BARRIERS OF ELEVATOR DOOR ROLLER AND RAIL - A roller assembly includes a frame ( | 06-23-2011 |
20110147130 | MANAGEMENT OF POWER FROM MULTIPLE SOURCES IN AN ELEVATOR POWER SYSTEM - Power is managed in an elevator system including an elevator hoist motor ( | 06-23-2011 |
20110144810 | ELEVATOR AND BUILDING POWER SYSTEM WITH SECONDARY POWER SUPPLY MANAGEMENT | 06-16-2011 |
20110139550 | LINE CURRENT AND ENERGY STORAGE CONTROL FOR AN ELEVATOR DRIVE - Power distribution is managed between a regenerative drive ( | 06-16-2011 |
20110139547 | MANAGEMENT OF POWER FROM MULTIPLE SOURCES BASED ON ELEVATOR USAGE PATTERNS - Power distribution is managed in an elevator system including an elevator hoist motor ( | 06-16-2011 |
20110132698 | INTUMESCENT THERMAL BARRIER FROM HUB TO TIRE - A door assembly has a door header mounted on a frame defining a doorway, a door movably supported on the frame, and a track including at least one supporting surface along at least one side of the track. The track is secured to the door header. The assembly has at least one roller that is adapted to roll along the track. The roller has a rim portion adjacent a hub portion, and a tire material surrounding the rim portion that contacts the track. The roller is at least partially covered with a thermal barrier between the tire material and at least one of the rim portion and the hub portion to prevent heat transfer to the tire material. | 06-09-2011 |
20110094837 | SAFE CONTROL OF A BRAKE USING LOW POWER CONTROL DEVICES - A control circuit selectively energizes a load, such as an elevator or escalator brake ( | 04-28-2011 |
20110056134 | DOOR ZONE PROTECTION - An apparatus for detecting an object | 03-10-2011 |
20110043273 | PULSE WIDTH MODULATION CONTROL OF A MATRIX CONVERTER - A matrix converter includes a plurality of switching elements and is adapted to receive a multi-phase alternating current (AC) input signal having an input frequency and to generate a multi-phase AC output signal having an output frequency. The phases of the input signal are sorted as a function of their instantaneous voltage amplitude ( | 02-24-2011 |
20100314202 | ELEVATOR DISPATCHING CONTROL FOR SWAY MITIGATION - An elevator system ( | 12-16-2010 |
20100309452 | METHODS AND DEVICES FOR SURVEYING ELEVATOR HOISTWAYS - A device for surveying an enclosed structure ( | 12-09-2010 |
20100294599 | WIRELESS ELEVATOR HALL FIXTURES INTEGRAL WITH HALL DOOR FRAME | 11-25-2010 |
20100288586 | ELEVATOR MACHINE MOTOR AND DRIVE AND COOLING THEREOF - Heat in a drive system including a motor and a drive is removed using heat pipes in heat exchanging contact with the motor and the drive. The heat conducting element have at least one portion for receiving heat from the motor or the drive, and another portion to transfer heat to a heat exchange device that is spaced from the motor and drive. The heat conducting element may be a heat pipe or a heat spreader element. | 11-18-2010 |
20100282543 | COORDINATION OF MULTIPLE ELEVATOR CARS IN A HOISTWAY - The movement of a plurality of elevator cars ( | 11-11-2010 |
20100236872 | PASSIVE MAGNETIC ELEVATOR CAR STEADIER | 09-23-2010 |
20100236871 | ELEVATOR DOOR VIBRATION AND NOISE ISOLATOR - An elevator door hanger apparatus includes a door hanger configured to be attached to a top portion of a door panel and to at least one movable member and an isolator plate attached to the door hanger and including a lip extending from a bottom of the isolator plate away from the door hanger. | 09-23-2010 |
20100213012 | MULTIPLE CAR HOISTWAY INCLUDING CAR SEPARATION CONTROL - A separation distance is maintained between a leading elevator car ( | 08-26-2010 |
20100181149 | ELEVATOR SYSTEM WITH GUIDE AXIS ALIGNED WITH TRACTION MEMBER - An elevator car assembly includes a car frame, a car connected to the car frame and having a first guide axis between a first side and a second side of the car frame, a plurality of traction members, a first plurality of sheaves rotatably connected to the car frame between the first side and the second side for respectively receiving the plurality of traction members, and a first guide attached to either the car frame or the car below the first plurality of sheaves for movably engaging a first rail. The first guide is aligned with the first guide axis and is configured to be aligned with the first rail. One of the plurality of traction members and the first guide are vertically aligned at the first guide axis. | 07-22-2010 |
20100174509 | DESIGN PROCESS FOR ELEVATOR ARRANGEMENTS IN NEW AND EXISTING BUILDINGS - A method for determining a suitable configuration for an elevator system for a building that includes acquiring building related information and passenger use information. Elevator system performance requirements based on elevator system passenger numbers are selected based on this information followed by selecting a set of elevator system characteristic variables that are desired to be at optimal values which are processed along with the information and performance requirements to provide an optimal solution. | 07-08-2010 |
20100164151 | NON-LINEAR SPRING ISOLATION DEVICE - An elevator system includes a car assembly, a drive assembly, and a vibration-damping device ( | 07-01-2010 |
20100154527 | Elevator Brake Condition Testing | 06-24-2010 |
20100116596 | SERVICE CONTROLLER FOR DETERMINING CROWDING IN AN ELEVATOR CAR - A service controller for crowded elevator cars includes an illuminating apparatus ( | 05-13-2010 |
20100116595 | MANAGEMENT OF POWER SOURCE VARIATIONS IN AN ELEVATOR DRIVE SYSTEM | 05-13-2010 |
20100089707 | PERMANENT MAGNET NOISE ISOLATOR - An elevator system ( | 04-15-2010 |
20100084224 | MACHINE MOUNTING IN A MACHINE ROOMLESS ELEVATOR SYSTEM - An elevator system includes a car ( | 04-08-2010 |
20100072001 | THERMOELECTRIC TEMPERATURE CONTROL WITH CONVECTIVE AIR FLOW FOR COOLING ELEVATOR COMPONENTS - Components of an elevator system are cooled using natural convective airflow in conjunction with thermoelectric heating and cooling. Rising air within the hoistway is funneled into a cold air duct ( | 03-25-2010 |
20100065382 | VIBRATION ISOLATOR FOR THE SLIDING RAIL GUIDE OF AN ELEVATOR OR THE LIKE - An elevator car sliding guide includes a shoe configured to slide on one or more rails, a first bracket connected to the shoe, a second bracket for connecting to a car assembly, and a plurality of elongated elastomeric members arranged generally from a first end of the sliding guide to a second end of the sliding guide and connected between the first bracket and the second bracket. The shoe and the first bracket are substantially surrounded on three sides by the second bracket. Each of the plurality of elongated elastomeric members is configured for deflection under loads of increasing magnitude. | 03-18-2010 |
20100065380 | THERMOELECTRIC THERMAL MANAGEMENT SYSTEM FOR THE ENERGY STORAGE SYSTEM IN A REGENERATIVE ELEVATOR - A regenerative elevator system operates in three modes: motoring, idle and regeneration. During the regeneration mode, the elevator motor operates as a generator, and electrical energy is stored in an energy storage system for later use. The energy storage system may be located in a machine room or hoistway where temperature can vary widely. A thermoelectric thermal management system provides thermoelectric cooling or heating to maintain the energy storage system within a desired operating temperature range. | 03-18-2010 |
20100044160 | AUTOMATIC RESCUE OPERATION FOR A REGENERATIVE DRIVE SYSTEM | 02-25-2010 |
20100032248 | ELEVATOR DAMPER ASSEMBLY - A damper assembly ( | 02-11-2010 |
20100025646 | CENTRIFUGALLY ACTUATED GOVERNOR - An assembly ( | 02-04-2010 |
20100025161 | Elevator Cross-Dispatching System with Inter Group Relative System Response (IRSR) Dispatching - During elevator modernization, a cross-dispatching system receives hall calls and assigns each hall call to either a group of existing elevator car controllers or a group of new elevator car controllers. The cross-dispatching system creates an inter group relative system response (iRSR) value for the hall call for both the existing group of elevators and the new group of elevators, based upon information from each group such as car location, in-service status, load, and direction. If the group assigned the hall call does not answer the call within a redispatch time period, the cross-dispatching system again calculates the iRSR for each group and reassigns the hall call. | 02-04-2010 |
20100006378 | ELEVATOR DRIVE SYSTEM INCLUDING RESCUE OPERATION CIRCUIT - A system continuously drives an elevator hoist motor during normal and power failure conditions. A regenerative drive delivers power from a main power supply to the hoist motor during normal operation. A rescue operation circuit includes a backup power supply and is operable in the event of a failure of the main power supply to disconnect the regenerative drive from the main power supply and connect the back up power supply to the regenerative drive to provide substantially uninterrupted power to the hoist motor. | 01-14-2010 |
20090314583 | Method and System for Communicating With a Controller of an Elevator - The present invention includes a method and a system for communicating with a controller of an elevator car ( | 12-24-2009 |
20090308695 | LARGE ITEM TRANSPORT IN A GROUP ELEVATOR SYSTEM - Elevators ( | 12-17-2009 |
20090301820 | Communication of Elevator Reassignment Information In a Group Elevator System - Elevator reassignment information is communicated to passengers in a group elevator system ( | 12-10-2009 |
20090301819 | Elevator Motor Drive Tolerant of an Irregular Power Source - A hoist motor ( | 12-10-2009 |
20090295550 | Elevator system with wireless hall call buttons - An elevator system ( | 12-03-2009 |
20090290726 | Announcement System for a Building Transport - An announcement system ( | 11-26-2009 |
20090288919 | Commissioning of Elevator Hallway Fixtures in a Destination Entry Group Elevator System - A destination entry input device ( | 11-26-2009 |
20090222391 | MANAGING AN ENCODER MALFUNCTION IN AN ELEVATOR DRIVE SYSTEM - A knowledge base of information is generated to facilitate servicing of equipment from multiple manufacturers. A network ( | 09-03-2009 |
20090218175 | Elevator Power System - A power system ( | 09-03-2009 |
20090216376 | Group Elevator Scheduling With Advanced Traffic Information - A near-optimal scheduling method for a group of elevators uses advanced traffic information. More particularly, advanced traffic information is used to define a snapshot problem in which the objective is to improve performance for customers. To solve the snapshot problem, the objective function is transformed into a form to facilitate the decomposition of the problem into individual car subproblems. The subproblems are independently solved using a two-level formulation, with passenger to car assignment at the higher level, and the dispatching of individual cars at the lower level. Near-optimal passenger selection and individual car routing are obtained. The individual cars are then coordinated through an iterative process to arrive at a group control solution that achieves a near-optimal result for passengers. | 08-27-2009 |
20090208067 | ANONYMOUS PASSENGER INDEXING SYSTEM FOR SECURITY TRACKING IN DESTINATION ENTRY DISPATCHING OPERATIONS - An elevator control system ( | 08-20-2009 |
20090123653 | Resin Coating Method For The Edge Of A Machined Part, The Corresponding Resin Coating Device And The Part Edge Thus Protected - The method according to the invention to apply resin ( | 05-14-2009 |
20090097952 | Method and device for transporting an elevator car drive machine - The present invention includes a method and a device for transporting an elevator car drive machine within an elevator hoistway. The drive machine is secured to a movable carriage located in the hoistway and the carriage is moved in a horizontal direction of travel to move the drive machine horizontally within the hoistway. | 04-16-2009 |
20090057068 | Video Aided System for Elevator Control - An elevator control system ( | 03-05-2009 |
20090008217 | POSITIVE LINEAR HANDRAIL DRIVE WITH TOOTHED BELT - A passenger conveyor handrail ( | 01-08-2009 |
20090000877 | Managing an Encoder Malfunction in an Elevator Drive System - An encoder failure in an elevator drive system is detected and managed. A velocity of the elevator drive system is provided by an encoder signal ( | 01-01-2009 |
20080217113 | Roof Railing For an Elevator Car Adapted to Be Collapsed With a Handle Actuating All Sides at the Same Time - The invention relates to an elevator car roof railing ( | 09-11-2008 |