Abstract: A parking installation comprising a pallet on which a vehicle is loaded, wherein a guide member is formed on a lower surface of the pallet along its longitudinal center line; a carrier for loading the pallet thereon, the carrier traveling along a traveling rail extending across parking rooms; travel rollers mounted at both ends of the carrier for rolling on the traveling rail; a first driving motor connected to a shaft of the travel roller for supplying a driving force to rotate the travel roller; a pallet transferring unit mounted rotatably to both ends of the carrier, the unit being in contact with the guide member and transferring the pallet longitudinally; and a pallet drawing/pushing assembly mounted adjacent to the pallet having a pivotable arm pivotable along a predetermined arc, the pivotable arm of the pallet drawing/pushing assembly either drawing a stopper formed on a lower surface of the pallet such that the guide member of the pallet comes in contact with the pallet transferring unit or pushing t

Abstract: The present invention relates to an interrupter for a circuit breaker for a transmission or distribution line which can distribute and weaken an arc resulting from separation of contacts, can reduce loss of the contacts by the arc, and can improve interruption performance, when an abnormal current such as overcurrent is generated. A plurality of horizontal loops of conductive path are formed on a fixed electrode and a movable electrode, thereby forming a plurality of vertical magnetic fields in parallel with a generation direction of the arc. When the arc is generated between a fixed contactor and a movable contactor respectively connected to the fixed electrode and the movable electrode, the arc can be evenly distributed on the fixed and movable contactors. At the same time, a movement of the arc can be interrupted.

Abstract: A control apparatus and method for motor vehicle parking system capable of resuming an automatic parking operation when a power failure is recovered by the backup of the previous operation status data required for the automatic parking operation, thereby reducing the time spent in a stand-by condition for storing or retrieving a motor vehicle. The control apparatus for the parking system includes a plurality of vertically and laterally moving pallets, a driving section for driving the pallets, and a control section.

Abstract: Disclosed is an apparatus for closing hatch doors of an elevator, which is capable of minimizing a generation of noise during an opening and closing the hatch doors of the elevator. The apparatus for closing the hatch doors of the elevator, according to the present invention a frame which is attached to a wall of a landing in an elevator hoistway, for supporting a pair of door hangers to slidably move on the frame, a pair of hatch doors which respectively have the door hangers attached to each upper portion thereof, which are supported by a sill disposed on the landing, and which are slidable opened and closed along the sill and the frame, and a mechanism for closing the hatch doors of the elevator by using a self-weight thereof when the hatch doors are opened. The apparatus for closing the hatch doors of the elevator according to the present invention as constructed above is applied to various types of elevators and minimizes the noise generated during the opening and closing the hatch doors of the elevator.

Abstract: A multi-position switching actuator for a switch gear includes a control handle unit including a control protrusion and an insertion recess, a rotation member disposed at a portion spaced from a rear portion of the control handle unit and rotated by a rotation of the control handle unit, a front plate disposed between the control handle unit and the rotation member, a latch releasing member engaged to the rear surface of the rotation member, a latch driving member engaged to the latch releasing member, a location fixing member connected to the latch driving member and limiting a rotation of the latch driving member by a predetermined angle, an elastic member disposed between the latch releasing member and the latch driving member for thereby generating an instant rotation of the latch driving member, and a central shaft for being inserted from a rear portion of the latch driving member toward the front of the multi-position switching actuator.

Abstract: Present invention relates to a hand rail driving pulley for a passenger conveyor. According to the invention, when difference between the moving velocity of a step and the moving velocity of a hand rail generates, by adjusting the radius of the driving pulley, the velocity difference can be synchronized without any change of new part. And present invention discloses a new installing method of elastic contacting ring inserted into a groove not the conventional adhering method, so when a worn contacting ring is changed, changing work can be done easily and simply.

Abstract: A driven terminal for a passenger conveyor for transferring passenger or luggage. The driven terminal according to the present invention includes a pair of rotating plates mounted on both ends of a rotating shaft, an outer wheel forcibly contacted with the pallet chains having a smooth contacting surface, and an inner wheel having one surface contacted with a periphery of the rotating plate and the other surface contacted and secured to the outer wheel.

Abstract: The present invention provides an automatic parking system in which the computer, the parking ticket issuer, and the parking ticket recognizer are connected in a network such that each unit exchanges information as it needs, and then the system controlling processes of loading and unloading a car, issuing the parking ticket, recognizing the parking ticket, and calculating the fee for ensuring accuracy of the calculation and convenience of the usage.

Abstract: An apparatus for controlling data transmitting/receiving of the group management system of an elevator and a method using the same, which relates to decreasing a communication load factor of a system which transmits/receives data to/from a plurality of cages and a group management controller through a main network, for integrating data outputted from a plurality of hall controllers and outputting the integrated data to the group management controller or the plurality of cages through the main network, and integrating data outputted from the group management controller and outputting the integrated data to the plurality of hall controllers.

Abstract: A method for analyzing the strength of a structure and an apparatus using the same which are capable of more simply and accurately computing the stress of each element of the structure by selectively grouping the elements of the structure, which receive a lot stress, and analyzing the stresses of the grouped elements with respect to the entire structures. The method includes the steps of a first step for grouping a concerned element of an object structure and computing a strength of the concerned element, a second step for setting a unit load value and computing a stress of the concerned element, a third step for changing a stress value corresponding to the unit load value into a related function with respect to the entire elements, a fourth step for computing a stress based on an actual load value based on the related function and actual load value, and a fifth step for analyzing a strength of a corresponding structure based on the stress based on the actual load value.

Abstract: A guide roller apparatus for an elevator system includes a flat frame for fixing to each corner of the elevator car, and a lever having a lower portion hingedly connected to an upper portion of the frame and an upper portion rotatably connected to a roller shaft of the guide roller, with an insertion hole being formed through amid portion of the lever. A vertical plate is connected to an end portion f the frame and faces the lever. An elastic support member is connected between an upper portion of the lever and an upper portion of the vertical plate. A control device has an end portion connected to a mid inner portion of the vertical plate, and another end portion passed through the insertion hole formed in the lever. An elastic medium member is disposed on the control device between the vertical plate and the lever.

Abstract: Disclosed is an elevator having covers capable of minimizing a generation of turbulent flows at upper and lower portions of the elevator cabin so as to reduce noise and vibration during the operation of the elevator. The elevator according to the present invention comprises upper and lower horizontal supporting members made of shaped steels having a L shape in cross section and plate strips, and covers having a dome and a truncated pyramid shape. In the elevator according to the present invention, the covers can temper impacts, due to air flows in a hoistway, against the elevator cabin during the operation of the elevator. As a result, noise and vibration due to the impacts can be reduced.

Abstract: A PLC having a power failure compensation function and a power failure compensation method which are capable of implementing the continuity of a program operation when a power failure occurs.

Abstract: A cage stop height readjusting apparatus for an elevator system and a method thereof which are capable of accurately stopping a cage at a predetermined floor at a zero level of a cage stop height. The apparatus includes a position detection rotary encoder for outputting second pulse signal which corresponds to an actual running distance of a cage as a pulley is rotated by a wirET.

Abstract: A touched state recognition apparatus for a matrix type touch panel and a control method thereof which are capable of correctly recognizing a touched state of a touch switch even when two touch switches are concurrently touched.

Abstract: A car information indicating apparatus for elevator cars displays elevator movement information by using signal relaying devices that do not include separate CPUs. Each signal relaying device is capable of receiving/processing data representative of car information from the car controller and of transmitting to a plurality of car position indicators on each floor landing, resulting in an elevator system that has a more simple construction and reduces cost.

Abstract: A control system using a master programmable logic controller (PLC) which efficiently prevents the PLC system from performing an error operation caused by an abnormal state of a master PLC or a communication line error. The control system synchronizes an operating time thereof by resetting the entire remote slave units (RSU) according to the master PLC when respective power-on time points do not correspond between the master PLC and the RSUs, and selectively outputs a finally received data during a normal operation, or an emergency data predetermined by a user, when the data is not received from a master PLC.

Abstract: A passenger conveyor provided with a drive motor, a drive sprocket coupled to a shaft of the drive motor, a drive terminal gear coaxially engaged to the drive sprocket, a step chain driven by meshing with the drive terminal gear, a step connected to the step chain and having front and rear wheel rollers, and an upper rail for guiding the front wheel roller so that the step chain meshes smoothly with the drive terminal gear, wherein the upper rail comprising a straight section formed in a straight; an arched section formed extendly from an end of the straight section, wherein the starting end of the arched section coincides with or goes beyond a perpendicular center: line of the terminal gear; a distance from an upper surface of the straight section to a circumferencial surface of the terminal gear is shorter than a radius of the front wheel roller.

Abstract: A current/voltage control apparatus for an elevator system which is capable of preventing an over current from being applied to an inverter by stopping a driving operation of the inverter when a difference (hereinafter called "current deviation") between a current instruction and actual current value exceed a predetermined value during a predetermined time.