Patents Examined by W. E. Duncanson, Jr.
  • Patent number: 5027925
    Abstract: A procedure for damping the vibrations of an elevator car or part supported by elastic suspension elements comprises the steps of measuring the acceleration of the elevator car or part by means of at least one acceleration transducer, using the output signal from that transducer to control at least one vibration damper, which, in order to damp a vibration, imparts to the elevator car or part a force acting in a direction opposite to the direction of the vibration and substantially simultaneous with it. An apparatus to carry out the procedure is also disclosed.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: July 2, 1991
    Assignee: Kone Elevator GmbH
    Inventor: Matti J. Kahkipuro
  • Patent number: 5028803
    Abstract: This invention relates to an integrated drive generator of the type employed onboard aircraft for power generation and prime mover starting. Prior art integrated drive generators which provided for a prime mover starting mode drove a prime mover through a constant speed transmission in order to provide motive power to the engine. The present invention provides a power path for prime mover starting which couples the motor/generator directly to the prime mover and decouples the motor/generator from the transmission by means of properly oriented one-way clutches.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: July 2, 1991
    Assignee: Sundstrand Corporation
    Inventor: Richard W. Reynolds
  • Patent number: 5025896
    Abstract: An elevator car and a counterweight is suspended on a sheave by means of a rope in a well-rope faashion. In dependence on the number of passengers on the car, the sheave is applied with an unbalance torque making appearance between the car and counterweight. Upon starting of the elevator operation by releasing a brake, upward or backward bouncing of the car takes place due to the unbalance torque. For preventing such bouncing of the car, a start compensation is performed by generating a motor torque which can cancel out the unbalance torque in precedence to the releasing of the brake. The brake is installed swingably on a winding equipment. Displacement of the brake during actuation thereof indicates the presence of the unbalance torque.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: June 25, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Noboru Arabori, Hideaki Takahashi, Yoshio Sakai, Masao Nakazato, Masakatsu Tanaka, Tatsuhiko Takahashi, Katsutaro Masuda, Masanobu Itoh, Yuji Toda
  • Patent number: 5024295
    Abstract: An elevator system employing a micro-processor-based group controller (FIG. 2) communicating with the cars (3, 4) to assign cars to hall calls based on a Relative System Response (RSR) approach. However, rather than using unvarying bonuses and penalties, the assigned bonuses and penalties are varied using "artificial intellience" techniques based on combined historic and real time traffic predictions to predict the number of people behind a hall call, and, calculating and using the average boarding and de-boarding rates at "en route" stops, and the expected car load at the hall call floor. Prediction of the number of people waiting behind hall calls for a few minute intervals are made using traffic levels measured during the past few time intervals on that day as real time predictors, using a linear exponential smoothing model, and traffic levels measured during similar time intervals on previous similar days as historic traffic predictors, using a single exponential smoothing model.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: June 18, 1991
    Assignee: Otis Elevator Company
    Inventor: Kandasamy Thangavelu
  • Patent number: 5023409
    Abstract: A device for rendering elevator "call" buttons inaccessible during an emergency via a swinging or sliding panel or a rotating device which rotates the buttons from view. In all cases, safety instructions/information is displayed in place of the elevator "call" buttons.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: June 11, 1991
    Inventor: Jim Wilson
  • Patent number: 5022497
    Abstract: An elevator control system employing a micro-processor-based group controller (FIG. 2), which communicates with the cars (3, 4) of the system to determine the conditions of the cars, and responds to hall calls registered at a plurality of landings in the building serviced by the cars under control of the group controller, assigning hall calls to cars based on the summation for each car, relative to each call, a weighted summation of a plurality of system response factors, some indicative, and some not, of conditions of the car irrespective of the call being assigned, assigning varying "bonuses" and "penalties" to them in the weighted summation. "Artificial intelligence" techniques are used to predict traffic levels and any crowd build up at various floors to better assign one or more cars to the "crowd" predicted floors, either parking them there, if they were empty, or more appropriately assigning car(s) to the hall calls.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: June 11, 1991
    Assignee: Otis Elevator Company
    Inventor: Kandasamy Thanagavelu
  • Patent number: 5015869
    Abstract: The dynamo for/on bicycles comprises a housing (1) which can be secured to the bicycle and accommodates a stator (2) and a rotor (3); the rotor (3) can be set in rotary motion by a drive member (4), which can be driven by a bicycle wheel.The drive member (4) is mounted rotatably around a wheel axle (6) so as to be kinematically connectable with the wheel and forms part of an engageable and disengageable dynamo gearing (7) which rotates the rotor (3) in dependence on the rotation of the wheel.The dynamo is arranged with its drive member (4) coaxial to the wheel axle (6) and mounted torsionally securely on the wheel axle (6), the stator (2) and rotor (3) lying in eccentric relation to the wheel axle (6).The drive member (4) formed as a rotary housing cover has an engaging and disengaging member (22) with a driver (38) which can be pushed between the wheel spokes for transmission of the movement.
    Type: Grant
    Filed: November 17, 1988
    Date of Patent: May 14, 1991
    Inventors: Dieter Schurmann, Bernd Gudereit
  • Patent number: 5014825
    Abstract: A rescue operating apparatus for an elevator has a device for transmitting a cage door open/close command from an elevator supervising section which receives notice regarding the trouble of the elevator and the stopping of the cage between floors, and an operation control device for controlling a door driver on the basis of a door open/close command from the command transmitting means to open/close the cage door thereby to confirm the full closure of the door and then control the elevator driver, thereby performing the rescue operation of the cage.
    Type: Grant
    Filed: August 9, 1989
    Date of Patent: May 14, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Shigehiko Suzuki
  • Patent number: 5013929
    Abstract: A power conversion system utilizes a brushless generator driven by a prime mover when operating in a generating mode and drives the prime mover when operating in a starting mode. The system includes an AC/DC power rectifier and an inverter coupled to the AC/DC power rectifier for developing at least one AC voltage. Contactors are provided for coupling, when in the generating mode, the generator to the rectifier input and the inverter output to an AC load during operation in the generating mode, and for coupling an external power source to the rectifier input and the inverter output to the generator during operation in the starting mode. Transformers are provided for adjusting system voltages so that the generator windings need not be modified to accomplish starting of the prime mover.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: May 7, 1991
    Assignee: Sundstrand Corporation
    Inventor: P. John Dhyanchand
  • Patent number: 5012899
    Abstract: An apparatus for controlling an elevator according to the present invention has a master microcomputer having a plurality of slave microcomputers and memory means for storing in advance at least one of control data and control program necessary for the slave microcomputers, and transmitting means connected between the master microcomputer and a plurality of slave microcomputers for individually transmitting at least one of the control data and control program from the master microcomputer to the respective slave microcomputers.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: May 7, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Shigemi Iwata
  • Patent number: 5004076
    Abstract: A controlling apparatus is provided to control an electric elevator in a more efficient manner.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: April 2, 1991
    Inventors: Hai C. Chen, Felix W. H. Yeh
  • Patent number: 5001357
    Abstract: This linear gravitational generator is designed to produce electric current by induction. Primarily, it consists of a pair of coils wound upon cores, and an external drive source drives a pulley train that passes a multiple number of spaced magnetic buckets through the coils on a pair of cables of the pulley train, which induces electric current into the coils for industrial use and other applications.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: March 19, 1991
    Inventor: Nelson P. Adams
  • Patent number: 4998601
    Abstract: A method of and apparatus for controlling operation of an elevator at the occurrence of an earthquake. Estimated seismic intensity data is collected from a plurality of sources at different locations within a geographic region and transferred to an administration section; the geographic region is divided into zones of different seismic intensity based upon the transferred data; seismic intensity at the location of the elevator is assumed upon the occurrence of an earthquake on the basis of location of the elevator in the zones; whether the operation of the elevator is to be permitted is judged according to the assumed seismic intensity; and a trial run is commanded upon a judgement that operation is permitted, whereupon normal elevator operation is restored when the absence of any abnormality has been acknowledged upon travel during the trial run.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: March 12, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Shigehiko Suzuki
  • Patent number: 4995479
    Abstract: The present invention relates to a display guide apparatus of elevator facilitating alteration of display format and to its display method. A display guide apparatus according to the present invention comprises an elevator control unit, an information producing unit, and an information display control unit. The information display control unit is so configured that an auxiliary memory medium, which has stored therein information required for displaying the running information of the elevator, may be mounted thereon. At least information required for displaying the running information of the elevator is supplied from the auxiliary memory medium. Information required for displaying general information is supplied from the information producing unit. On the basis of information relating to the running situation of the elevator supplied from the elevator contorl unit, the running information of the elevator and the general information are displayed by display units disposed at least at halls to perform guidance.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: February 26, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Michio Fujiwara, Hiroshi Matsumaru, Yasushi Kobayashi, Yoshio Sakai, Kenzi Yoneda, Osamu Dohi, Akihiko Noguchi
  • Patent number: 4995478
    Abstract: An elevator starting compensation device for performing starting compensation with addition of a load detection signal and a torque command signal comprising a speed command circuit, an automatic speed regulator amplifier for outputting the torque command signal, and a load detecting element for detecting load of a passenger cage, characterized in that it further includes a static frictional torque compensating element inputting a load detection signal and travel (lifting and lowering) signal and outputting a static frictional torque compensation signal predetermined according to the magnitude of the sensed passenger load, the torque compensation signal being added to the torque command signal so that start-up of actual speed is not delayed with respect to the speed command.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: February 26, 1991
    Assignee: Otis Elevator Company
    Inventors: Kenji Oshima, Yasutami Kito
  • Patent number: 4993518
    Abstract: In a group of elevators with double cars, the assignment of such double cars to floor calls takes place at scanner positions .alpha. in two procedural steps, according to two parameters: primarily by assignment of the individual cars of all double cars by logical decision, according to a criteria chain (KK), and subsidiarily by assignment of the double cars according to the minimal loss time of all involved passengers. The individual elevators each have a microcomputer system with a calculating device and are connected with each other by way of a comparator circuit to form a group control. The optimal individual cars are assigned for each elevator by floor in the associated individual car/call assignment memories. The optimal double car is selected by comparison of the loss times of all elevators calculated as the total operating costs K.sub.g (.alpha.) and is assigned to the respective floor in the associated double car/call assignment memory. For the total servicing costs K.sub.g (.alpha.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: February 19, 1991
    Assignee: Inventio AG
    Inventors: Johannes van Straaten, Miroslav Kostka
  • Patent number: 4992669
    Abstract: A modular energy system including separable driving and driven units and a transfer system for rapidly and easily replacing these units as needed. The driving unit includes a power plant and associated controls protectively housed in a sturdy module container. The driven unit includes shaft drivable equipment and associated controls protectively housed in another sturdy module container. A disconnectable drive shaft extendable between the containers drivingly connects the output of the power plant with the equipment. Swivelable wheel assemblies are easily positionable underneath the module containers so that they can be moved longitudinally and laterally by a winch of the transfer system on and between a flatbed truck and a nearby transfer dock.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: February 12, 1991
    Inventor: Daniel W. Parmley
  • Patent number: 4991694
    Abstract: An elevator group control assigns a floor call, which is to be assigned to a car for the first time, immediately and finally after its input. The operating costs corresponding to the waiting times of passengers are computed merely for the input floor and the destination floor of the new call from data specific to each of the elevators and these costs are transferred into a cost register for all the elevators immediately after the input of the call. Thereafter, the comparison of these operating costs takes place at once, wherein the call is finally assigned to the elevator with the smallest operating costs. The operating costs computation extends over all traffic participants situated in the cars and at the floors, wherein the computer utilizes a traveling time table, in which the traveling times between each floor and every other floor are stored.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: February 12, 1991
    Assignee: Inventio AG
    Inventor: Paul Friedli
  • Patent number: 4989695
    Abstract: An apparatus for performing group control on elevators, wherein a plurality of elevators are operated for a plurality of floors, a predetermined evaluation calculation is performed for each of the plurality of elevators upon generation of a hall call, an optimum elevator car is selected on the basis of an evaluation calculation result, and the selected elevator car is assigned to the hall call, thereby responding to the hall call, the apparatus, comprises a unit controller, arranged in units of cars of the elevators, for controlling unit control of each car and inputting/outputting information associated with its own car, a plurality of group controllers for performing the evaluation calculation for determining hall-call assignment in units of cars on the basis of the information associated with its own car and for performing group management of each elevator car on the basis of an evaluation calculation result, and a communicating circuit for causing the plurality of group controllers to communicate with eac
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: February 5, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Susumu Kubo
  • Patent number: 4989694
    Abstract: The invention relates to call registration wherein of a plurality of elevators an elevator which a user (passenger) wants to ride is called to the elevator hall of the user. A display is provided at an elevator hall for users. When a user depresses a hall calling button, a group supervisory controller determines and selects a suitable elevator, and causes the condition of the elevator to be displayed on the display in the form of sentences or the like. If the user is satisfied with the selected elevator, the hall calling button is not actuated again. If the user is dissatisfied with the selected elevator, the hall calling button is depressed again so that the controller selects another elevator for service to the user.
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: February 5, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Takaaki Ueshima, Kenji Yoneda, Naobumi Nakata, Toshimitsu Tobita, Soshiro Kuzunuki, Yuzo Morita, Atsuya Fujino, Masato Suzuki, Masachika Yamazaki