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Lawrence B Farr, 58103 Rosemary Ln, Greenville, SC 29615

Known as:
Lawrence L Farr Lawrence M Farr Lawrence Farr Brown Lawerence Farr Lawrence Rippon
Related to:
Lenore Marie Brown 63

Lawrence Farr Phones & Addresses

103 Rosemary Ln, Greenville, SC 29615    803-7817730   

Asheville, NC   

Irmo, SC   

Arden, NC   

Fletcher, NC   

Santa Clara, CA   

Conover, NC   

Goose Creek, SC   

Santa Barbara, CA   

Columbia, SC   

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Lawrence Farr resumes & CV records

Resumes

Lawrence Farr Photo 21

Project Engineer

Location:
Asheville, NC
Industry:
Paper & Forest Products
Work:
Evergreen Packaging
Project Engineer
Education:
University of Detroit Mercy 1975 - 1978
Masters, Business Administration, Management, Business Administration and Management
Lawrence Farr Photo 22

Engineer Testing Specialist

Location:
Greenville, SC
Work:
Ge
Engineer Testing Specialist
Lawrence Farr Photo 23

Lawrence Farr

Lawrence Farr Photo 24

Branch Controller At Sharp Business Systems, Inc.

Location:
Greenville, South Carolina Area
Industry:
Business Supplies and Equipment

Publications & IP owners

Us Patents

Control Voltage Isolation System For Electrical Rotating Apparatus Utilizing Fiber Optics And Associated Method

US Patent:
6388248, May 14, 2002
Filed:
Jul 6, 2000
Appl. No.:
09/611138
Inventors:
Irving A. Gibbs - Fletcher NC
Charles A. Morse - Arden NC
Lawrence B. Farr - Asheville NC
Bruce R. Quayle - Pittsburgh PA
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H03M 160
US Classification:
25022723, 25022718, 25022724, 250214 R, 250551, 327101, 341157
Abstract:
An isolation system is provided for generating a control voltage in a low voltage control system that is representative of the input voltage in a high voltage power system of an excitation system, such as in a rotating electrical apparatus. The control voltage isolation system includes a voltage-controlled oscillator for converting the input voltage into a first frequency signal corresponding to the input voltage. Fiber optic conversion and receiving devices are employed in conjunction with a fiber optic cable to transmit the first frequency signal from the high voltage power system to the low voltage control system. Utilizing a fiber optic device provides voltage isolation between the power system and the control system. The use of a fiber optic device for voltage isolation also resists the damaging effects of relatively high transient currents and voltages from affecting sensitive semiconductor components and the like in the control system. A microprocessor and counter device can also be utilized in association with the isolation system to reconstruct the input voltage by integrating the frequency signal received from the power system into a control voltage representative of the input voltage.

Apparatus And Method For Detecting Hot Spots In An Electric Power Conductor

US Patent:
7188997, Mar 13, 2007
Filed:
Jan 21, 2005
Appl. No.:
11/040669
Inventors:
John M. Tillman - Hendersonville NC, US
Lawrence B. Farr - Asheville NC, US
Robert Yanniello - Asheville NC, US
Cathleen M. Clausen - Arden NC, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
G01K 1/14
G01K 13/00
G01K 7/02
US Classification:
374152, 374208, 374179
Abstract:
Hot spots in power conductors are monitored by apparatus comprising a temperature probe embedded in an electrically insulative thermally conductive material in surface-to-surface contact with the power conductor, typically at a joint being monitored. The temperature probe is spaced from the power conductor by the electrically insulative thermally conductive material a distance sufficient to provide electrical isolation, while the material has sufficient thermal conductivity that the temperature probe is able to substantiate trends in temperature changes at the joint. The invention can be incorporated into existing electrically insulative supports for the power conductors.

Electrical Switching Apparatus Providing Coordinated Opening With A Circuit Interrupter And Method Of Operating The Same

US Patent:
8094426, Jan 10, 2012
Filed:
Jun 2, 2009
Appl. No.:
12/476451
Inventors:
Joe M. Kellis - Weaverville NC, US
Lawrence B. Farr - Asheville NC, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H02H 3/00
US Classification:
361109, 361 3
Abstract:
An electrical switching apparatus includes a number of separable contacts, an operating mechanism structured to open and close the separable contacts, a number of sensors structured to sense at least current flowing through the separable contacts, and a processor structured to cooperate with the operating mechanism to open and close the separable contacts. The processor determines a fault from the sensed current flowing through the separable contacts. The processor further responsively opens the separable contacts if the sensed current associated with the fault is less than the interrupting rating of the electrical switching apparatus. The processor keeps the separable contacts closed and waits for another circuit interrupter to interrupt the fault if the sensed current associated with the fault is greater than the interrupting rating.

Electrical Switching Apparatus Including A Plurality Of Rogowski Coils And Method Of Calibrating The Same

US Patent:
8203814, Jun 19, 2012
Filed:
Aug 31, 2009
Appl. No.:
12/550995
Inventors:
Lawrence B. Farr - Asheville NC, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H02H 3/00
H02H 7/00
US Classification:
361 63, 318490, 318778, 361 23, 361109, 361 30, 324113
Abstract:
An electrical switching apparatus includes a plurality of poles each having a Rogowski coil and a conductor passing through an opening thereof, and a processor circuit including a sensor circuit including a plurality of inputs each electrically interconnected with an output of the Rogowski coil of a corresponding pole. The sensor circuit further includes a number of outputs having values each corresponding to current flowing through the conductor, a memory including for each corresponding pole an offset value and a gain correction factor for the sensor circuit, and a gain correction factor for the Rogowski coil, a number of routines, and a processor cooperating with the sensor circuit and the routines to provide for each pole a corrected current value as a function of a corresponding one of the values, the sensor circuit offset value and gain correction factor, and the Rogowski coil gain correction factor.

Electrical Switching Apparatus And Protection Apparatus Determining Thermal Age Of Another Apparatus Or A Number Of Insulators

US Patent:
8248739, Aug 21, 2012
Filed:
Jul 24, 2009
Appl. No.:
12/508677
Inventors:
Lawrence B. Farr - Asheville NC, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H02H 5/04
US Classification:
361 25, 361 23, 361 27, 361 62, 361 63, 361 912, 361 939, 361158, 361165, 318473, 318455, 318101, 318430, 318442, 376203, 376215, 374102
Abstract:
An electrical switching apparatus is for another apparatus including a number of insulators, a number of temperature sensors operatively associated with the number of insulators, and a number of conductors operatively associated with the number of insulators. The electrical switching apparatus includes a number of separable contacts, an operating mechanism structured to open and close the separable contacts, a number of sensors structured to sense a number of currents flowing through the separable contacts and through the conductors, a processor structured to input the sensed currents from the sensors, and an output. The processor calculates at least one of: (a) a thermal age of the other apparatus from a number of sensed temperatures from the temperature sensors, and (b) the thermal age of the other apparatus from the sensed currents. The output includes the thermal age of the other apparatus.

Protection Relay, Electrical Switching Apparatus, And System For Determining And Outputting Fault Current Available At A Load And Incident Energy Or Personal Protective Equipment Level Operatively Associated Therewith

US Patent:
8493012, Jul 23, 2013
Filed:
Nov 17, 2009
Appl. No.:
12/619809
Inventors:
Joe M. Kellis - Weaverville NC, US
Lawrence B. Farr - Asheville NC, US
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H02H 7/08
H02P 1/04
US Classification:
318430, 318650, 361 23, 361 30, 361 31
Abstract:
A protection relay for an electrical switching apparatus for a load includes a number of voltage sensors structured to sense voltage applied to the load, a number of current sensors structured to sense current flowing to the load, and a processor cooperating with the number of voltage sensors and the number of current sensors. The processor determines a fault current available at the load. An output cooperates with the processor. The output is structured to output the determined fault current and a number of: incident energy at the electrical switching apparatus, and a personal protective equipment level operatively associated with the electrical switching apparatus. The processor determines from the determined fault current the number of: the incident energy at the electrical switching apparatus, and the personal protective equipment level operatively associated with the electrical switching apparatus.

Housing Assembly For A Medium Voltage Solid-State Reduced Voltage Starter

US Patent:
2007016, Jul 19, 2007
Filed:
Jan 17, 2006
Appl. No.:
11/333001
Inventors:
Alfred Randall - Horse Shoe NC, US
Lawrence Farr - Asheville NC, US
Joe Kellis - Weaverville NC, US
International Classification:
H02K 5/00
US Classification:
310089000
Abstract:
The present invention provides a single housing assembly for a reduced voltage motor starter assembly. The housing assembly has a medium voltage compartment and a low voltage compartment. In this configuration the housing assembly ins structured to enclose both the medium voltage portion and the low voltage portion of the starter assembly.

Rogowski Coil, Medium Voltage Electrical Apparatus Including The Same, And Method Of Providing Electrostatic Shielding For A Rogowski Coil

US Patent:
2011004, Feb 24, 2011
Filed:
Aug 20, 2009
Appl. No.:
12/544496
Inventors:
LAWRENCE B. FARR - Asheville NC, US
International Classification:
G01R 1/20
H01F 27/36
US Classification:
324126, 336 84 R
Abstract:
A Rogowski coil includes a core, a Rogowski coil winding disposed on the core, an insulator disposed on the Rogowski coil winding disposed on the core, and a conductive winding disposed on the insulator disposed on the Rogowski coil winding disposed on the core. The conductive winding includes an electrical connection structured to be grounded. When the conductive winding is grounded, the grounded conductive winding provides electrostatic shielding for the Rogowski coil winding of the Rogowski coil.

Possible Relatives

Cynthia L Farr  David C Farr  Deanna Farr  Dale R Farr  Debbie Farr  Damon Farr  Deborah K Farr  Lawrence G Johnson  Lawrence Standard  Lawrence F Standen 

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