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Thomas J Schoepf

from Milwaukee, WI
Age ~57
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Also known as:
Tom J Schoepf, Thomas F
Phone and address:
708 E Lake View Ave, Milwaukee, WI 53217
(414) 967-0196
Related to:
Carmela M Schoepf
Connected to:
Andrea R Schoepf, 39Audrey B Schoepfer, 84Brian R Schoepf, 58Deborah Schoepfer, 54Kevin C Schoepf, 69Lisa A Schoepf, 43Matthew H Schoepf, 56Shelley M Schoepf, 41Zachary R Schoepflin, 36Dan Schoepke, 56

Thomas Schoepf Phones & Addresses

  • 708 E Lake View Ave, Milwaukee, WI 53217 (414) 967-0196
  • Whitefish Bay, WI
  • Minneapolis, MN
  • 436 Bolinger St, Rochester Hills, MI 48307 (248) 608-0877
  • Lombard, IL

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Thomas Schoepf Photo 1

Senior Manager Engineering Technologies At Eaton Corporation, Innovation Center

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Location:
Greater Milwaukee Area
Industry:
Research

Publications

Us Patents

Arc Suppressed Electrical Connectors

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US Patent:
6491532, Dec 10, 2002
Filed:
Jun 29, 2001
Appl. No.:
09/897773
Inventors:
Thomas J Schoepf - Rochester Hills MI
George Albert Drew - Warren OH
Steven A Musick - Burton OH
Assignee:
Delphi Technologies, Inc. - Troy MI
International Classification:
H01R 1353
US Classification:
439181, 439 38
Abstract:
Electrical arc suppression when terminals under load are connected/unconnected is provided via an applied magnetic field causing the arc path to be lengthened, with the consequences that the voltage necessary for the arc to be sustained is increased and the arc energy is decreased. In a preferred form, at least one magnet with a high permeability flux return path is placed adjacent the terminal proximity zone of initial/final touching of mating terminals. The magnetic field increases the arc length, and thereby suppresses the arc by increasing the voltage necessary to sustain the arc and decreasing the energy of the arc.

Smart Wire Harness For An Electrical Circuit

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US Patent:
6833713, Dec 21, 2004
Filed:
Jan 31, 2003
Appl. No.:
10/355567
Inventors:
Thomas J. Schoepf - Rochester Hills MI
Malakondaiah Naidu - Troy MI
Suresh Gopalakrishan - Sterling Heights MI
Assignee:
Delphi Technologies, Inc. - Troy MI
International Classification:
H01H 950
US Classification:
324536, 702 58, 361 42
Abstract:
A direct current electrical circuit having a smart wire harness that has integrated electronics which measure both voltage and current through wires of the harness to detect and protect the electrical current from parallel and serial arc faults occurring within a protection zone. The protection zone is disposed directly between two smart connectors of the wire harness which are in communication with one another via a series of signal wires of the harness to detect serial or parallel arc faults within the protection zone. To measure serial arc faults, a voltage drop of the positive wire is measured at each smart connector and a difference taken which equals the serial arc voltage. If this voltage differential increases to a preset value, a switching device which provides power to the smart wire harness is opened. To detect parallel arc faults, that is those arcs which jump between the positive wire and the ground wire of the wire harness, a current is measured at both ends of the positive wire of the wire harness via the same smart connectors. If the ending current is less than the beginning current, signaling a parallel arc fault due to the arc resistance of the arc itself, the same switching device is opened.

Electrical Connector

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US Patent:
6926547, Aug 9, 2005
Filed:
Dec 10, 2001
Appl. No.:
10/013147
Inventors:
Thomas J. Schoepf - Rochester Hills MI, US
Rafil Basheer - Rochester Hills MI, US
Ismat Abu-Isa - Rochester Hills MI, US
Assignee:
Delphi Technologies, Inc. - Troy MI
International Classification:
H01R013/53
US Classification:
439185, 439921
Abstract:
An arc quenching electrical connector has a male pin terminal which inserts longitudinally into a receptacle or terminal having a gassing wall engaged concentrically about the receptacle. During “hot unplugging” of the electrical connector, an arc is carried between a tip of the male pin and a contact surface of a leading end of the receptacle. The gassing wall extends over and is directly engaged to a portion of the contact surface. Because the gassing wall is also preferably an electrical insulator, the arc communicates electrically with the exposed contact surface and is biased directly against the gassing wall. The gassing wall, when heated by the adjacent arc, quenches or reduces the energy of the arc by releasing gas which eliminates arc erosion of the terminals.

Contact Structures For Sliding Switches

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US Patent:
6979786, Dec 27, 2005
Filed:
Mar 18, 2004
Appl. No.:
10/803764
Inventors:
Neil R Aukland - Sterling Heights MI, US
Thomas J Schoepf - Rochester Hills MI, US
George Albert Drew - Warren OH, US
Gerd Rudolph - Aspisheim, DE
Assignee:
Delphi Technologies, Inc. - Troy MI
International Classification:
H01H015/00
US Classification:
200 16A, 200 16 R
Abstract:
A contact structure for a sliding switch includes a conductive stationary contact disposed on a base and a conductive movable contact for electrically contacting the stationary contact. The movable contact is movable along a path between a non-contact position and a make-contact position with respect to the stationary contact, and at least one of the contacts has a protruding portion that provides an electrical interface for discharge of arcing as the movable contact breaks from the stationary contact. As a result, the invention prevents or substantially reduces degradation in switch performance which might otherwise be caused by debris accumulation associated with arcing.

Arc Fault Detector And Method

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US Patent:
7009406, Mar 7, 2006
Filed:
Apr 23, 2004
Appl. No.:
10/831733
Inventors:
Malakondaiah Naidu - Troy MI, US
Thomas J. Schoepf - Rochester Hills MI, US
Suresh Gopalakrishnan - Sterling Heights MI, US
Assignee:
Delphi Technologies, Inc. - Troy MI
International Classification:
G01R 31/12
US Classification:
324536, 361 42
Abstract:
The present invention discloses an arc fault detector including a shunt resistor deployed in a circuit being protected, an arc discriminator sensing voltages across the shunt resistor and outputting an arc detection signal when it detects current variations caused by parallel and series arc faults, a signal transformer buffering the arc detection signal and outputting a pulse, a switch transient detector detecting a voltage differential across load switches and outputting a pulsed switch transient detection signal when the voltage differential across load switches exceeds a reference value, a line interrupter such as a static relay, a switch controller including logic gates generating a trip signal based on predetermined criteria, and a manual switch for resetting the line interrupter. A second embodiment of the present invention senses voltage induced in a coil wrapped around a toroidal core to detect current variations in conductors which pass through the center of the toroidal core.

Power Distribution System And Electrical Switching Apparatus Employing A Filter Trap Circuit To Provide Arc Fault Trip Coordination

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US Patent:
8040644, Oct 18, 2011
Filed:
Dec 17, 2008
Appl. No.:
12/337093
Inventors:
Jerome K. Hastings - Sussex WI, US
Xin Zhou - Franklin Park PA, US
Joseph C. Zuercher - Brookfield WI, US
Thomas J. Schoepf - Whitefish Bay WI, US
Assignee:
Gaton Corporation - Cleveland OH
International Classification:
H02H 3/00
H02H 9/08
US Classification:
361 42, 361 2
Abstract:
An electrical switching apparatus comprises: a first terminal; a second terminal; separable contacts electrically connected between the first terminal and the second terminal; an operating mechanism structured to open and close the separable contacts; and an arc fault trip circuit cooperating with the operating mechanism and structured to trip open the separable contacts responsive to an arc fault condition. An inductor is electrically connected in series between the first terminal and the second terminal. A capacitor includes a first lead electrically connected between the inductor and the second terminal, and a second lead electrically connected to a ground or neutral conductor. The inductor and the capacitor are structured to cooperate with a power circuit impedance downstream of the second terminal to form a filter trap circuit.

Acoustic Sensor System, Acoustic Signature Simulator, And Electrical Distribution System

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US Patent:
8434367, May 7, 2013
Filed:
Oct 18, 2010
Appl. No.:
12/906258
Inventors:
Xin Zhou - Franklin Park PA, US
Thomas J. Schoepf - Whitefish Bay WI, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
G01H 5/00
G06G 7/48
US Classification:
73645, 73649, 703 5
Abstract:
An acoustic sensor system includes a first plurality of acoustic sensors, and an acoustic transmitter structured to generate acoustic noise to mimic acoustic noise induced by an electrical conductivity fault. A smaller second number of acoustic sensors of the first plurality of acoustic sensors are structured to identify a plurality of locations in an electrical distribution system having a plurality of electrical joints, in order that the smaller second number of acoustic sensors can monitor the plurality of electrical joints of the electrical distribution system.

Acoustic Sensor System For Detecting Electrical Conductivity Faults In An Electrical Distribution System

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US Patent:
8483007, Jul 9, 2013
Filed:
Oct 18, 2010
Appl. No.:
12/906244
Inventors:
Xin Zhou - Franklin Park PA, US
Robert Yanniello - Asheville NC, US
Dale L. Gass - Brown Deer WI, US
Birger Pahl - Milwaukee WI, US
Thomas J. Schoepf - Whitefish Bay WI, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
G01V 13/00
US Classification:
367 13
Abstract:
An acoustic sensor system is for an electrical distribution system having a number of phases. The acoustic sensor system comprises: a plurality of sets of acoustic sensors structured to detect an electrical conductivity fault of the electrical distribution system. Each of the plurality of sets includes a number of acoustic sensors. Each of the number of acoustic sensors is for a corresponding one of the number of phases of the electrical distribution system.
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Thomas J Schoepf from Milwaukee, WI, age ~57 Get Report