1
Roger N Castonguay, Dennis J Doughty, Dean A Robarge, Dave S Christensen, James L Rosen, Randall L Greenberg, Stefan Kranz, Mark Culler, Thomas Papallo: Rotary contact circuit breaker venting arrangement including current transformer. General Electric Company, Carl B Horton, Cantor Colburn, March 14, 2000: US06037555 (29 worldwide citation)

A rotary contact circuit breaker having a venting arrangement to vent gasses operated by a short circuit interruption to a location substantially above the load strap of the breaker whereby electrical components are not damaged by the gasses and ionized gasses from different phases are conveyed in d ...


2
Stefan Kranz, Francesco DeVizzi, Rolf Dieter Bauer: Rotary contact assembly for high ampere-rated circuit breaker. General Electric Company, Carl B Horton, Cantor Colburn, December 4, 2001: US06326868 (13 worldwide citation)

A circuit breaker rotary contact arm is used within a plurality of single pole circuit breakers ganged together to form a single multi-pole circuit breaker. To provide uniform contact wear among the associated circuit breaker contacts, the rotor carrying the rotary contact arm pivot is slotted to au ...


3
Roger Castonguay, Stefan Kranz, Randy Greenberg, Dave Christensen: Arcing contact arrangement. General Electric Company, Carl B Horton, Cantor Colburn, May 15, 2001: US06232570 (8 worldwide citation)

A rotary double-break circuit breaker includes a case defining a circuit breaker enclosure with a rotatable bridge and contact arm arrangement. The contact arm having movable contacts which is rotatable between a closed position and an open position. A pair of stationary contacts cooperate with the ...


4
Francesco DeVizzi, Stefan Kranz: Modular contact system for different frame sizes. General Electric Company, David Arnold, Karl A Vick, July 30, 2002: US06426688 (7 worldwide citation)

A circuit breaker rotary contact arm is used within a plurality of single pole modules ganged together to form a single multi-pole circuit breaker. To provide for use in quiescent conditions having high ampere ratings, low ampere rated rotary contact arm assemblies are combined in parallel to form a ...


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Gerd Jodehl, Gabor Henrichs, Christian Alfons Thamm, Stefan Kranz, Walter Felden, Rolf Dieter Bauer: Tripping device for a circuit breaker. General Electric Company, September 19, 2002: US20020130744-A1

The invention provides a tripping device for a circuit breaker having contacts arranged in a housing, said contacts being separable by actuation of a tripping shaft of a shutoff device. An exhaust duct assigned to said contacts is constructed in said housing. A lever rotatably arranged on said housi ...