1
Robert C Clark, Joe C Lambert, Sherrill G Thomas: Electrical braking transitioning control. General Electric Company, Ormand R Austin, Arnold E Renner, James H Beusse, December 27, 1983: US04423363 (62 worldwide citation)

An electrical braking circuit provides smooth transitioning between regenerative and plug braking of a DC electric motor by use of a low ohmic value resistance path to maintain motor torque during transitioning. During initiation of electrical braking, a similar low ohmic resistance path momentarily ...


2
Sherrill G Thomas, Larry G Ball: Electric circuitry for preventing contactor tip contamination in dry switching applications. General Electric Company, Ralph E Krisher Jr, March 26, 1996: US05502609 (11 worldwide citation)

A contactor control system for a DC electric power system for reducing contactor tip contamination from dry-switching includes a first switch connected in circuit between a power source and a controller for enabling the controller upon closure of the first switch. A PTC resistor is connected between ...


3
Sherrill G Thomas: Methods and apparatus for rolling contactor tips upon closure. General Electric Company, Carl B Horton Esq, Damian Wasserbauer Esq, Armstrong Teasdale, June 19, 2001: US06248965 (3 worldwide citation)

A bus bar assembly includes an elongate body including three unitary portions. A first portion and a third portion are substantially co-planar and a second portion is unitarily offset from the first and third portions. A contactor tip is mounted to a top surface of both the first portion and the thi ...