Abstract: An elevator system includes an elevator car having an electrically powered car subsystem. A guide rail of the elevator system is constructed and arranged to guide the elevator car along a hoistway and in a direction of travel. An electromechanical propulsion system includes plurality of primary windings positioned along the hoistway, and a permanent magnet coupled to the elevator car for imparting motion to the elevator car in response to a drive excitation. A secondary winding is coupled to the elevator car and disposed adjacent to the permanent magnet along the direction of travel, and wherein the secondary winding is configured to utilize an excitation switching frequency ripple to generate a current to power the car subsystem.

Abstract: The present disclosure relates generally to an elevator system having a hoistway, an elevator car to travel in the hoistway, a first motor portion mounted to one of the elevator car and the hoistway, the first motor portion having at least one coil, a second motor portion mounted to the other of the elevator car and the hoistway, the second motor portion having at least one permanent magnet, and a gap between the first motor portion and the second motor portion.

Abstract: An illustrative example embodiment of an elevator system includes an elevator car, a counterweight, roping coupling the elevator car and the counterweight, the roping supporting a load of the elevator car and the counterweight, and a plurality of safeties. The plurality of safeties includes a plurality of elevator car safeties supported for movement with the elevator car that are selectively actuated to engage a stationary surface to prevent movement of the elevator car. The plurality of safeties also includes a plurality of counterweight safeties supported for movement with the counterweight that are selectively actuated to engage a stationary surface to prevent movement of the counterweight. The safeties are configured for wireless communication causing essentially simultaneous actuation of the elevator car safeties and the counterweight safeties.

Abstract: According to an embodiment, an elevator interface (70) for an elevator system (10) includes an external interface (74) to receive an elevator car (14) outside of the elevator system (10), and an elevator system interface (72) in operable communication with the external interface (74) to introduce the elevator car (14) into the elevator system (10).

Abstract: An elevator system includes an elevator car constructed and arranged to travel in a hoistway. A linear propulsion system of the elevator system is configured to impart a force upon the elevator car to control movement of the car. The linear propulsion system includes a secondary portion mounted to the elevator car and may have a plurality of magnets. A first primary portion (42) of the linear propulsion system includes a mounting assembly (60), a plurality of coils engaged to the mounting assembly (60), and a first cooling device (80) including at least one conduit (82) projecting outward from the mounting assembly (60) and into the hoistway for transferring heat.

Abstract: An elevator system includes an elevator car constructed and arranged to travel in a hoistway. A linear propulsion system of the elevator system is configured to impart a force upon the elevator car to control movement of the car. The linear propulsion system includes a secondary portion mounted to the elevator car and having a plurality of magnets. A first primary portion of the linear propulsion system includes a mounting assembly, a plurality of coils engaged to the mounting assembly, and a first cooling device including at least one conduit projecting outward from the mounting assembly and into the hoistway for transferring heat.

Abstract: An illustrative example elevator system includes a first vertical pathway, a second vertical pathway, and a transfer space situated to allow movement between the vertical pathways. An elevator car is selectively moveable along the respective vertical pathways and through the transfer space. At least one blocker has a passage condition and a blocking condition. The passage condition allows the elevator car to move from one of the vertical pathways into the transfer space when the transfer space is configured to receive the elevator car from the one of the vertical pathways. The blocking condition prevents the elevator car from moving from the one of the vertical pathways into the transfer space when the transfer space is not configured to receive the elevator car from the one of the vertical pathways.

Abstract: A method and system for managing an elevator system (10), includes providing a plurality of elevator cars (14) to travel in a hoistway (11), and selectively introducing and removing at least one of the plurality of elevator cars (14) to and from the hoistway (11) via a loading station (50).

Abstract: A ropeless elevator system 10 includes a lane 13, 15, 17. One or more cars 20 are arranged in the lane. At least one linear motor 38, 40 is arranged along one of the lane and the one or more cars, and a magnet 50, 60 is arranged along the other of the lane and the one or more cars. The at least one magnet is responsive to the at least one linear motor. A linear motor controller 70 is operatively connected to the at least one linear motor, and a lane controller 80 is operatively connected to the linear motor controller. A back electro-motive force (EMF) module 84 is operatively connected to at least one of the linear motor controller and the lane controller. The lane controller being configured and disposed to control stopping one of the one or more cars based on a back EMF signal from the at least one linear motor determined by the EMF module.

Abstract: A transfer station (40) for a ropeless elevator system hoistway (11) is provided. The transfer station (40) includes a first lane (13, 15, 17), a second lane (13, 15, 17), and a parking area (42) located proximate one of the first lane (13, 15, 17) and the second lane (13, 15, 17). The transfer station (40) also includes a plurality of carriages (46) moveable within the first lane (13, 15, 17), the second lane (13, 15, 17), and the parking area (42), the plurality of carriages (46) configured to support and move an elevator car (14). The transfer station (40) further includes a cassette (44) configured to support and move the plurality of carriages (46). The transfer station (40) yet further includes a guiding member (48) engaged with the cassette (44), wherein the position of each of the plurality of carriages (46) relative to the first lane (13, 15, 17), the second lane (13, 15, 17) and the parking area (42) is modified by horizontal or vertical movement of the cassette (44).

Abstract: An assembly 28 for actuating and controlling braking of a car of an elevator system is provided. The assembly includes at least one braking device 20 mounted on the car, supported between the car and a hoistway for movement with the car within the hoistway, and configured to apply a braking force to the car. The assembly also includes at least one corresponding actuator 34 supported by the hoistway and configured to selectively engage the braking device to prevent movement of the car.

Abstract: An elevator system includes an elevator car (14) to travel in a hoistway; and a linear propulsion system to impart force to the elevator car; the linear propulsion system including: a secondary portion (18) mounted to the elevator car; and a primary portion (16) mounted in the hoistway; the primary portion including: a mounting assembly (50) including: a mounting panel (52); a plurality of coils (51) mounted to the mounting panel; and a cover (70) secured to the mounting panel, the cover and mounting panel enclosing the coils.

Abstract: A fire suppression sprinkler assembly coupled to a mounting surface includes a sprinkler having a heat responsive element arranged adjacent a first end. A cover plate is positioned adjacent the heat responsive element and includes a thermally conductive cover layer. A reflective shield has a reflective interior surface. The reflective shield is positioned substantially opposite the cover plate adjacent the first end of the sprinkler such that heat reflects from the top plate towards the heat responsive element.

Abstract: A transfer station (40) for a ropeless elevator system includes a plurality of lanes (13) configured to accommodate vertical travel of an elevator car (14) therein. Also included is a parking area (42) located adjacent at least one of the plurality of lanes (13). Further included is a carriage (46) moveable between the plurality of lanes (13) and the parking area (42), the carriage (46) configured to support and move the elevator car (14) in a horizontal direction. Yet further included is a car (14) disengagement mechanism (50) engageable with the elevator car (14) for disengagement of the elevator car (14) from a primary propulsion mechanism of the car (14) within the plurality of lanes (13) and for movement of the elevator car (14) between at least one of the plurality of lanes (13) and the parking area (42).

Abstract: The present disclosure relates generally to a propulsion system for an elevator having a first motor portion mounted to one of an object to be moved and a stationary structure and a second motor portion mounted to the other of the object to be moved and the stationary structure, the first motor portion having at least one coil.

Abstract: The present disclosure relates generally to an elevator system having a hoistway, an elevator car to travel in the hoistway, a first motor portion mounted to one of the elevator car and the hoistway, the first motor portion having at least one coil, a second motor portion mounted to the other of the elevator car and the hoistway, the second motor portion having at least one permanent magnet, and a gap between the first motor portion and the second motor portion.

Abstract: A braking system for a hoisted structure guided along a guide rail is provided. The braking system includes a brake member for coupling to the hoisted structure and having a brake surface configured to frictionally engage the guide rail, the brake member moveable between a braking position and a non-braking position. Further included is a brake member actuation mechanism operatively coupled to the brake member and configured to actuate the brake member from the non-braking position to the braking position, the brake member actuation mechanism remaining coupled to the brake member in the braking position to control the braking force applied on the hoisted structure by the frictional engagement between the guide rail and the brake member.

Abstract: A manual alarm device including a housing and a displacement element mounted in the housing is provided. The displacement element is moveable between a first position and a second position. Only application of a stable force to the displacement element is configured to move the displaceable element between the first position and the second position.

Abstract: A ropeless elevator system includes an elevator car constructed and arranged to move along a hoistway and into a transfer station that is in communication with the hoistway. An electronic controller of the ropeless elevator system is configured to control the speed of the elevator car when at least when the elevator car is in the transfer station. A first detector of the ropeless elevator system is supported by the elevator car and is configured to send a first signal to the electronic controller at least in-part indicative of a presence in the elevator car. If a presence is detected the electronic controller outputs a speed control signal indicative of the presence.

Abstract: An elevator system includes an elevator car having an electrically powered car subsystem. A guide rail of the elevator system is constructed and arranged to guide the elevator car along a hoistway and in a direction of travel. An electromechanical propulsion system includes plurality of primary windings positioned along the hoistway, and a permanent magnet coupled to the elevator car for imparting motion to the elevator car in response to a drive excitation. A secondary winding is coupled to the elevator car and disposed adjacent to the permanent magnet along the direction of travel, and wherein the secondary winding is configured to utilize an excitation switching frequency ripple to generate a current to power the car subsystem.