Patents Examined by W. E. Duncanson, Jr.
  • Patent number: 4691808
    Abstract: At a single floor of a building, such as at the lobby, destination calls are entered via a destination call entry device touch pad such as a (12) so that overall system response can be optimized during up-peak service intervals. A maximum number of calls are assigned to each car in order of its priority, or advantageous situation with respect to loading the lobby passengers, and the dispatch interval for each car is individually adjusted. The calls may be assigned to a car prior to its arrival at the lobby, and call assignments are audibly and/or visually displayed by an indicator device (16).
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: September 8, 1987
    Assignee: Otis Elevator Company
    Inventors: Frederick H. Nowak, Isabel Hovey
  • Patent number: 4691115
    Abstract: A system for rotating a drive mechanism which can be connected to an electrical generator or the like. The system (10) is particularly suitable for providing electrical power to a residence and includes a reservoir (14) for containing a volume of liquid such as water (16). Weight is applied to the upper surface of the liquid for forcing it downward. This liquid is discharged from the reservoir through a spout (36) which concentrates the discharged liquid into a stream which is directed against a drive mechanism (38) such as a turbine (40) for imparting rotational forces. The discharged water is received in a catch basin (50) from which it is then moved, as by pumping, back into the reservoir for a further cycle of operation.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: September 1, 1987
    Inventor: Jerry W. Robinson
  • Patent number: 4690243
    Abstract: Standard operating sequences for standard operations set for the service of an elevator are stored in a read only memory unit while special operating sequences for special operations are stored in a random access memory unit. The elevator operating steps are determined in accordance with the standard and special sequences and are modified by an input unit coupled to the random access memory so that modifications of the operating steps in the service of the elevator can be facilitated.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: September 1, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Youichi Ichioka
  • Patent number: 4687946
    Abstract: A steam generator in an electric power generating system is controlled by controlling turbine steam flow with control signals generated by a programmed digital computer system during startup, synchronization and load operation. The digital computer control signals are generated as a function of monitored turbine system conditions and parameters, the digital computer having means for interrupting the normal computing of the control signals when predetermined operating conditions are monitored. Turbine system parameter signals are periodically scanned and operated on so as to condition them for use in generating the control signals.
    Type: Grant
    Filed: April 26, 1972
    Date of Patent: August 18, 1987
    Assignee: Westinghouse Electric Corp.
    Inventor: Donald J. Jones
  • Patent number: 4685536
    Abstract: The respective status signals of an existing relay type elevator and an electronic elevator are loaded by a group-supervisory computer, together with hall call signals, and operation commands according to which the elevators are to respond to the hall call signals are generated and sent to the existing relay type elevator and the electronic elevator.Consequently, even in a case where one or more elevators in a relay type elevator group in operation has/have been replaced with an electronic elevator or electronic elevators, the service of elevator group supervision is prevented from lowering. Moreover, the group supervision service can be enhanced by increasing the use of an electronic elevator already and combining it with relay type elevators in operation.
    Type: Grant
    Filed: May 22, 1986
    Date of Patent: August 11, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Youichi Ichioka
  • Patent number: 4685537
    Abstract: An elevator system including an elevator car, a door for closing and opening an entrance into the elevator car, and a door operator on the canopy or car top which is operatively linked to the door. The door operator casing or enclosure is made into a practical enclosure for several shock sensitive functions, including the car controller and the landing and terminal zone switches, by rigidly mounting the door operator enclosure to the canopy, and by resiliently mounting the door operator drive assembly within the enclosure.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: August 11, 1987
    Assignee: Westinghouse Electric Corp.
    Inventor: George A. Kappenhagen
  • Patent number: 4685539
    Abstract: In an operating system for an elevator wherein operation means are disposed in a plurality of cages, cipher code memory means for storing predetermined operating sequences of the operation means are disposed for the respective cages, and switching means are disposed for comparing operating sequences of the corresponding operation means with the stored predetermined sequences when the operation means are operated and to switch the corresponding cages to predetermined runs when the operating sequences agree; an common cipher code alteration means is provided for altering the stored predetermined operating sequences to different operating sequences for all the cages.When the cipher code alteration means is manipulated, all the cipher code memory means are commanded to alter their cipher code contents at once, whereby the single altering manipulation suffices to complete the cipher code alterations for all the cages.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: August 11, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shintaro Tsuji, Yasukazu Umeda
  • Patent number: 4686377
    Abstract: A float mechanism for generating energy from waves. Floats are coupled together such that they can pivot about a horizontal axis relative to one another. Hydraulic cylinders on either side of the attachment points compress and extend with the wave motion. Check valves control flow to and from the cylinders. The floats are pivotally tied to a floating structure such that they can pivot about the structure on the surface of the water as may be required for maximum efficiency. Water compressed from the cylinders feeds a turbine which in turn feeds a generator for the generation of electrical power. In the second embodiment, floats are coupled together by means of compound bell cranks and hydraulic cylinders are coupled between alternate bell cranks at the lateral arms thereof.
    Type: Grant
    Filed: April 8, 1986
    Date of Patent: August 11, 1987
    Inventor: Gary Gargos
  • Patent number: 4684817
    Abstract: A windmill generally intended to rotate in a horizontal plane about a vertical axis, includes essentially radial vanes; each which is effectively a one way valve respective to air flow; each which can enhance (or supplement) the beneficial actions of the others; and each of which vanes, in operation, effectively simulates a sailing vessel navigating a circular course in wind of constant direction. Each of said vanes includes a framework which supports a grid, which grid is the supporting means for a plurality of pivotally connected vertically aligned and overlapping light weight flexible sails, which sails are automatically rotated about said pivotal connection by the force of the wind into positions promoting the revolution of the windmill. Included with said sails are various devices as spars, springs and cords which promote and enhance their efficient automatic operation. The windmill is inherently self protecting in high winds and self regulating in speed of rotation.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: August 4, 1987
    Inventor: John M. Goldwater
  • Patent number: 4684814
    Abstract: A starter/generator in combination with a dual battery dual voltage motor vehicle electrical system and an equalization circuit for maintaining substantially equal charge on the batteries. In starting, the starter/generator is operated as an equivalent series motor from the serial combination of the two batteries to crank the engine. Upon starting, the starter/generator supplies charging current at one or the other of the system voltages, depending on the engine speed. At all times, the equalization circuit transfers energy from one battery to the other as required to maintain balanced battery voltages.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: August 4, 1987
    Assignee: General Motors Corporation
    Inventor: Thomas A. Radomski
  • Patent number: 4684815
    Abstract: A float mechanism for generating energy from waves. Floats are coupled together such that they can pivot about a horizontal axis relative to one another. Hydraulic cylinders on either side of the attachment points compress and extend with the wave motion. Check valves control flow to and from the cylinders. The floats are pivotally tied to a floating structure such that they can pivot about the structure on the surface of the water as may be required for maximum efficiency. Water compressed from the cylinders feeds a turbine which in turn feeds a generator for the generation of electrical power.
    Type: Grant
    Filed: January 10, 1986
    Date of Patent: August 4, 1987
    Inventor: Gary Gargos
  • Patent number: 4684816
    Abstract: A driving pinion fixed on the shaft of a first motor meshes with a toothed wheel mounted to rotate freely with respect to the casing of the starter and which includes a bore having helical grooves with which cooperate corresponding grooves made on the periphery of the shank of an actuator pinion which is engagable with the crown wheel of a combustion engine. The spur toothing of the actuator pinion are in mesh with the inner toothing of a bore of another pinion which is actuated by a second motor. Resilient members are provided to normally urge the actuator pinion out of engagement with the crown wheel of the combustion engine.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: August 4, 1987
    Inventor: Alfred B. Mazzorana
  • Patent number: 4683990
    Abstract: A relative position derivation, sensing and indicator system primarily adapted for conventional elevators. The system displays elevator position and travel direction at each floor with a relatively old fashioned appearing indicator apparatus including an "antique" faceplate and a simple rotatable pointer arm driven by a stepper motor assembly. Electronic solid state digital circuitry is employed to derive suitable control signals for driving the associated stepper motors which rotate the pointer arms associated with each position displayed. A plurality of vanes vertically aligned within the hoistway are provided with parallel, offset rows of perforations. A generally U-shaped vane reader traveling with the elevator car establishes a pair of rapidly pulsed, oppositely directed infrared light beams across a void-like channel formed between its sides.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: August 4, 1987
    Assignee: Innovation Industries, Inc.
    Inventor: Mark W. Wright
  • Patent number: 4683989
    Abstract: An addressable elevator communication controller which, when addressed by a valid input message, prepares a return message and has its return data interface enabled for one message. The return message is automatically clocked out of the communication controller via the enabled return data interface as the next input message is clocked into the controller, regardless of whether the incoming message is addressed to this communication controller or to another communication controller. The communication controller is operable in one of two completely different modes, simply by controlling the logic level of one input pin. Input messages, as well as message clocking input pulses, are screened through digital correlators which discriminate actual signals from line noise.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: August 4, 1987
    Assignee: Westinghouse Electric Corp.
    Inventors: Lawrence T. Pillage, Arthur A. Anderson
  • Patent number: 4682673
    Abstract: When a plurality of preset buttons among a plurality of buttons provided on a destination call registration panel have been successively depressed in a predetermined sequence and within predetermined time intervals, the presence of a request for a special operation is determined so as to register a call to a specified floor not indicated on the panel. When the request for special operation is not determined, a call to a floor corresponding to a depressed button is registeed as usual. In this manner, the destination floor call registration panel can be used for registering cage calls under normal operation and for instructing special operation without any change.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: July 28, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasukazu Umeda, Shintaro Tsuji
  • Patent number: 4681191
    Abstract: The present invention relates to a speed control apparatus for an elevator wherein direct current is inverted into alternating current of variable voltage and variable frequency by a current-control type inverter and wherein an induction motor is driven by the inverted A.C. power so as to operate a cage, the speed control apparatus comprising control means to intensify a field of the induction motor beforehand at the time of start of the elevator and to reduce it down to a predetermined value after the start.
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: July 21, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Hiroyuki Ikejima
  • Patent number: 4680478
    Abstract: The purpose of the Wicks Efficient Fuel Utilization System (WEFUS) is to produce electric energy and heat simultaneously in a fuel conserving and cost effective manner. WEFUS is a new and novel system that combines the fuel conserving technique of cogeneration with the fuel conserving technique of condensing heating so that the resulting combined system has an additional fuel conservation benefit relative to a system that uses only one of these fuel conserving techniques.The internal components are all conventional and include an internal combustion engine (15), an electric induction machine (17), a fan (18), a high temperature heat exchanger (20), a low temperature condensing heat exchanger (21), along with a controller (14), that controls the position of a solenoid controlled fuel valve (11) and a solenoid controlled electric breaker (13) in response to a signal from a thermostat (27) and conditional to signals from an electric power sensor (25) and unsafe condition sensors.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: July 14, 1987
    Inventor: Frank E. Wicks
  • Patent number: 4671389
    Abstract: A speed control apparatus for an elevator utilizing variable command values of the primary current of an induction motor for controlling the operation of the motor. When the cage is running at a rated speed, the terminal voltage of the induction motor is detected and supplied to a microcomputer to calculate an exact secondary resistance with respect to the temperature condition of the induction motor so as to determine the aforementioned command value of the primary current that is necessary for high speed precision control.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: June 9, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Tooru Tanahashi
  • Patent number: 4672222
    Abstract: A self-stabilized and modularly expandable system of independently operative point absorbers with respective drive transmissions and electrical generators produces electricity from wave motion on a body of water.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: June 9, 1987
    Inventor: P. Foerd Ames
  • Patent number: 4671391
    Abstract: A moving distance detector for an elevator including an encoder pulse receiver having a differential amplifier for receiving input signal pulses generated upon movement of an elevator cage and transmitted on first and second signal transmission lines. Resistors are respectively connected between the first signal transmission line and a first input terminal of the differential amplifier and between the second signal transmission line and a second input terminal thereof to provide a difference between the low and high voltage signals at the first and second input terminals of the differential amplifier. Since the biasing voltage of a signal provided at one of the input terminals of the differential amplifier when the corresponding transmission line is interrupted is set to be sufficiently different from the high or low voltage level of the signal at the other input terminal, an output representing a fault or unstable state in the balancing transmission lines is readily produced.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: June 9, 1987
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Isao Sasao