Patents Represented by Attorney L. P. Johns

Find this attorney in the Justia Lawyer Directory

  • Method and apparatus for electrically firing an iron blast furnace
    Patent number: 4247732
    Abstract: A blast furnace for reducing iron ore characterized by a vertical tubular refractory shell forming an upper reduction zone and a lower hearth which shell is adapted to contain a charge of iron ore and ore reductance, at least one arc heater mounted on the shell and extending therethrough for injecting an arc heated mixture of gas containing carbon monoxide into the reduction zone.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: January 27, 1981
    Assignee: Westinghouse Electric Corp.
    Inventor: Maurice G. Fey
  • Control center with interfitting dielectric barriers for bus bars
    Patent number: 4242718
    Abstract: A control center for distributing electric power from a power supply source to power consuming devices characterized by a plurality of parallel bus bars covered on each side with dielectric barriers in surface-to-surface contact with the bus bars, the barriers comprising a plurality of sheet-like barrier members in end-to-end abutment which members include cooperating first interfitting portion and extending between each pair of adjacent bus bars, the abutting ends of the barriers having cooperating second interfitting end portions to provide a labyrinth-like structure between adjacent bus bars to maintain insulating and isolating properties between adjacent bus bars.
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: December 30, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Sadiq A. Shariff, John R. Wilson, Brij M. Bharteey, Neal E. Rowe
  • Production of high purity silicon by a heterogeneous arc heater reduction
    Patent number: 4239740
    Abstract: A process for converting silicon intermediates to high purity silicon by an arc heater characterized by the steps of preliminarily reacting gaseous silicon intermediate, such as a silicon halide, with a metal reductant, such as sodium, to form preliminary reaction products including small solid silicon particles and droplets of salt of the metal reductant, at temperatures below the boiling point of the metal reductant, subsequently heating the reaction products to temperatures above said boiling point in an arc heater chamber to convert the reaction products to droplets of silicon to merge and form larger silicon droplets, and thereafter separating the mixture of silicon droplets and salt vapor.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: December 16, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Francis J. Harvey, II, David F. Ciliberti, Thomas N. Meyer, Maurice G. Fey
  • Switch operator with switch-mounting adapter
    Patent number: 4239946
    Abstract: A switch operator characterized by a switch operator and at least one switch, and an adapter for mounting the switch on the operator. The adapter and the operator are provided with interfitting bayonet type connections which are engaged and disengaged by rotation of one of the operator and adapter about the axis of the assembly, whereby operation of the actuator longitudinally of the assembly does not disconnect the bayonet-type connections.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: December 16, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert J. Johnston, Dominic Colista, Stephen G. Layciak, Stephen S. Dobrosielski
  • Electric resistance unit
    Patent number: 4238756
    Abstract: An electric resistance unit characterized by a support rod with a plurality of insulating refractory bodies thereon, which bodies have grooves to fit the rod, a continuous resistance winding mounted around the bodies, and flexible metal mounting means in the groove and between the rod and the bodies for retaining the bodies on the rod.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: December 9, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Ralph B. Immel
  • Turn-start push-stop switch operator
    Patent number: 4227058
    Abstract: A turn-push electric switch operator characterized by a tubular housing having a switch operator therein with a detent extending therefrom, a detent cam having a camming surface inclined at an angle to the axis of the housing with a detent retaining notch, and a manual handle operable between first and second positions and having a camming surface for returning the handle from one position to the other.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: October 7, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert J. Johnston, Stephen G. Layciak, Dominic Colista
  • Key lock rotary selector switch
    Patent number: 4227056
    Abstract: A key lock rotary selector switch characterized by a switch structure and a rotatable operating unit; the switch structure having a reciprocable contact operating member for effecting opening and closing of a circuit through the switch; the operating unit comprising an actuator tube and a rotatable handle detachably connected to the tube, and an actuator cam for different modes of operating the switch; and a lock in the handle for locking the handle in a given mode of operation.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: October 7, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert J. Johnston, Stephen G. Layciak, Dominic Colista
  • Switch structure
    Patent number: 4225765
    Abstract: A switch structure characterized by a pushbutton-rotatable switch handle and a plurality of switch blocks mounted in tandem, the switch blocks comprising molded base and cover portions which provide an insulating barrier between the moving and stationary contact arms for increased current capabilities, and the switches having reciprocable switch operating plungers which are actuated either together or separately by longitudinal or rotary movement of the switch actuator.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: September 30, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert J. Johnston, Stephen G. Layciak, Stephen S. Dobrosielski
  • Upstanding mounting structure for high-voltage three-break live-module circuit-breaker
    Patent number: 4223191
    Abstract: An improved mounting support construction characterized by an arc-extinguishing puffer-unit at the upper end of each of the slanted arms, or generally-"V"-shaped supporting structure, with an additional third puffer-unit interposed, interconnecting, generally-horizontally-arranged, gas-sealed bridging center casing structure. Thus, a generally-inverted "A"-type of mounting support arrangement is provided in which the three series puffer-units are disposed at the lower ends and in the horizontal bridging leg of the inverted "A"-shaped structure. A typical voltage rating would be 420 K.V., for example.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: September 16, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Ben J. Calvino
  • AC-DC Magnet coil assembly for low dropout AC contactors
    Patent number: 4223289
    Abstract: An electromagnetic contact comprising stationary and movable contacts with electromagnetic means for moving the moving contact to the closed position with the stationary contact, said means comprising a U-shaped magnetic core, an armature, and coil means for the core, the coil means comprising a pickup winding, a holding winding, and a bridge rectifier, container means comprising three portions of a uniform non-metallic insulating molded shell, one portion of which is around one leg of the U-shaped core, the other portion which is around the other leg thereof, and the third portion being adjacent to said two portions, and the pickup and holding windings being in the one and other portions of said shell respectively and the rectifier being in said third portion.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: September 16, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Ralph B. Immel
  • Arc heater construction with total alternating current usage
    Patent number: 4219726
    Abstract: Arc heater apparatus using total alternating current characterized by a pair of axially spaced cylindrical electrodes forming a narrow gap therebetween and connected to a first alternating current power source to produce an arc in the gap, each electrode having magnetic coil means for producing a rotating magnetic field at the arcing surface of the electrodes to rotate the arc, and the magnetic coil means being connected to a second alternating current power source which has an arc current zero aligned with that of the first alternating current power source.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: August 26, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Thomas N. Meyer, Charles B. Wolf
  • High compression puffer circuit interrupter
    Patent number: 4219712
    Abstract: A circuit interrupter characterized by a pair of separable contacts which establish an arc upon separation, means for directing a blast of arc interrupting gas into the zone between the separating contacts to extinguish the arc and comprising a cylinder movable within a surrounding casing, a piston movably mounted in the cylinder and pressurized fluid means cooperating with the piston to compress and push the interrupting gas from the cylinder to said zone.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: August 26, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Werner S. Emmerich
  • Arc heater melting system
    Patent number: 4214736
    Abstract: Apparatus for melting metal chips comprising a preheating chamber, a prereducing chamber, and a melting chamber, the latter comprising a metallurgical vessel having a refractory wall with arc heater means mounted on the wall and extending therethrough which arc heater means provides an electric plasma arc which extends through an opening in the refractory wall, and the arc heater means comprising a downstream cylindrical electrode extending through the refractory wall for improved heating efficiency.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: July 29, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Charles B. Wolf, Thomas N. Meyer, Maurice G. Fey, Francis J. Harvey, II
  • Two-pressure type circuit interrupter
    Patent number: 4213022
    Abstract: A high-compression two-pressure type circuit interrupter characterized by cylinder means separated into two gas-tight compartments by a pressure responsive divider, one compartment containing an arc-extinguishing gas, the other compartment containing an operating gas for moving the arc-extinguishing gas when an overload occurs.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: July 15, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Werner S. Emmerich
  • Pneumatic operating mechanism for a circuit-breaker
    Patent number: 4213020
    Abstract: The present invention relates to the utilization of a surge tank in the pneumatic line interconnecting the high-pressure reservoir with the pneumatic control valve controlling the operation of a driving, or operating piston reciprocally operable within a surrounding operating cylinder to operate a circuit-breaker. Preferably, the volume of the surge tank is roughly of the order of the piston-displacement volume traveled by the driving piston in its opening tripping movement of the circuit-breaker, when the mechanism is used to open the circuit-breaker. However, the mechanism may also be used, if desired, to effect closing of the circuit-breaker.
    Type: Grant
    Filed: October 26, 1977
    Date of Patent: July 15, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Willie B. Freeman
  • Ground fault receptacle reset button
    Patent number: 4209762
    Abstract: A ground fault receptacle with improved reset test button for a ground fault receptacle for use in an outlet box characterized by a reset structure comprising a latch member releasably latching a contact carrying latching arm in the contact-closed position, the release structure also comprising a reset button including recess means, the latch member being seated in the recess means and being pivotally movable between latched and unlatched positions of the contact arm, and the reset structure comprising spring means engaging the latch member for holding the latch member in the latched position.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: June 24, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Bruce A. Samborski, Roy O. Wiley
  • Method for melting machine chips
    Patent number: 4209321
    Abstract: A method for melting machine chips characterized by a preheating zone, a prereducer zone, and a melting zone the latter of which is heated by an arc heater through which a reducing inert gas is introduced into the communicating zones, whereby metal chips entering the preheating zone move through the subsequent zones in counterflow to the reducing gas flow.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: June 24, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Francis J. Harvey, II, Maurice G. Fey
  • Self-generating fluid-blast single-break circuit-interrupter
    Patent number: 4206331
    Abstract: A self-extinguishing-type of fluid-blast circuit-interrupter is provided, of the single-break type, utilizing a plurality of pressure-generating chambers disposed in series relation, and compartmentalizing the extinguishing chambers so as to act transversely on series portions of the singly-drawn arc.The two pressure-generating chambers are disposed opposite to the fluid-flow transmitting passages, so that there occurs a desirable reduction in temperature of the pressurized fluid prior to its subsequent injection into the arcing region.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: June 3, 1980
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Masami Kii
  • Double-flow compressed-gas operating mechanism for a high-voltage circuit-breaker
    Patent number: 4205208
    Abstract: An improved double-flow-type of compressed-gas operating mechanism is provided for actuating a high-voltage circuit-breaker including a double driving head, movable, actuating piston, having different opposite working areas to thereby accommodate the higher power required to effect the opening operation (which may be as much as ten times the power needed for the closing operation) and the provision of suitable means for resiliently retaining the driving piston in either of its open or closed-circuit end positions.
    Type: Grant
    Filed: March 16, 1978
    Date of Patent: May 27, 1980
    Assignee: Westinghouse Electric Corp.
    Inventor: Ben J. Calvino
  • Circuit breaker with insulated horizontal bus bars
    Patent number: 4199655
    Abstract: A control center characterized by horizontal bus bars having electrically insulating covers thereon which covers are in surface-to-surface contact with the surfaces of the bus bars except for removable surface portions for providing electrical connection with vertical bus bars, the removable surface portions being disposed in a pattern to enable alignment of said removable portions with the vertical bus bars when the barriers are assembled with the horizontal bus bars in either upright or inverted positions.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: April 22, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Sadiq A. Shariff, John R. Wilson, Brij M. Bharteey, Neal E. Rowe