General Electric Company

Curtis Maurice Hebert

Eric Steven Buskirk

Benjamin Alber Mancuso

Frank Austin Scalzo, Iii

Matthew Thomas Preston

Albert Eugene Steinbach

Paul August Quail

James Jonathan Grant

Blake Weldon Wilson

Matthew Robert Martin

Donald Alden VanSlyke

Jessica Mary Powers

August Elwood Pendergast

Murat Alver

Philip Frank Burnett

Scott Eric Belknap

Mesut Merev

Erkin Bayindir

Andrew Duane Brown

Donald Alden Vanslyke

The present application provides an amortisseur-spring assembly for use about at least one of a wedge and a retaining ring of a generator. The amortisseur-spring assembly may include an amortisseur, a spring, a creepage block, and a locking mechanism extending through the amortisseur, the spring, and the creepage block.

Generator field amortisseur and spring axial locking mechanism

A nut torqueing device for a recessed nut is disclosed. The nut torqueing device includes a nut engaging assembly to engage a nut in a recess. The nut engaging assembly includes: a nut engaging element to engage the nut in the recess, at least one stackable riser element to stackably connect to one of the nut engaging element and an adjacent stackable riser element therebelow, and a transmission engaging element to stackably connect to an uppermost one of the at least one stackable riser element. A ratchet interface within the nut engaging assembly allows rotation of the nut engaging element in only one direction, while other stackable elements rotationally interlock. A low profile transmission extends within a small space to transmit rotational power to the nut engaging assembly. The nut torqueing device is applicable with a terminal nut of an electric generator.

Nut torquing device for recessed nut

A brush holder apparatus has a stationary support member having two opposing grooves, a fork electrical connector, and a conductive bar passing through a main body of the stationary support member. A brush holder is releasably affixed to the stationary support member, and has two rails that slide along the grooves. The brush holder's knife electrical connector mates with the fork electrical connector. A brush spring is clipped on the brush holder, and presses a brush against a collector. A brush lead connects the brush to a brush terminal. The brush terminal has a generally L-shaped body with a lower part thereof retained under a terminal compression plate, and an upper part thereof located on a front side of the terminal compression plate. The brush terminal is removed from or installed into a front side of the brush holder, and by hand or without the use of any tools.

Brush holder apparatus having brush terminal

A retention assembly for retaining a plurality of elements in a stator slot of an electric machine is provided. The retention assembly may include a stator wedge fixedly positioned in a dovetail in the stator slot to retain the plurality of elements; a top ripple spring between the plurality of elements and the stator wedge; and at least one shim positioned between the stator wedge and a load bearing surface of the dovetail. A method may include compressing the stator wedge in the stator slot from a first position thereof relative to the dovetail of the stator slot, the compressing creating a gap between the stator wedge and the dovetail. A shim may be inserted in the gap; the compressing released such that the shim retains the stator wedge in a second position that is more compressed relative to the plurality of elements in the stator slot compared to the first position.

Retention assembly for stator bar using shim with stator wedge and related method

A brush holder apparatus includes a stationary support member having at least one groove, a fork electrical connector, and a conductive bar configured to pass through a portion of a main body of the stationary support member. The conductive bar provides electrical conductivity with a collector mount and fork electrical connector. A brush holder is releasably affixed to the stationary support member, and has at least one rail that slides along the groove(s). The brush holder has a knife electrical connector that mates with the fork electrical connector. A brush spring is clipped on the brush holder, and presses a brush against a collector of a dynamoelectric machine. The brush spring is replaceable in the brush holder. The brush spring or brush holder has a friction enhancing material attached to an area where the brush spring attaches to the brush holder.

Brush holder apparatus and brush spring having friction enhancing material

A brush holder apparatus includes a stationary support member having at least one groove and a fork electrical connector. A brush retainment member has a brush restraint apparatus having a plunger brush restraint configured to restrain a brush from sliding within the brush retainment member by pressing it against the brush retainment member. The brush retainment member has at least one rail configured to slide along the at least one groove, and a knife electrical connector configured to mate with the fork electrical connector. The brush retainment member is configured to be releasably affixed to the stationary support member. The stationary support member is configured for electrical connection to a collector mount, and the brush retainment member is configured to retain at least one brush.

Brush holder apparatus and system

A brush holder apparatus includes a stationary support member having at least one groove and a fork electrical connector. A brush retainment member is configured to be releasably affixed to the stationary support member. The brush retainment member has at least one rail configured to slide along the at least one groove. The brush retainment member has a knife electrical connector configured to mate with the fork electrical connector. The stationary support member is configured for electrical connection to a collector mount and the brush retainment member is configured to retain at least one brush.

A brush holder system includes a stationary support member having at least one groove, and a fork electrical connector. A brush retainment member is configured to be releasably affixed to the stationary support member. The brush retainment member has at least one rail configured to slide along the at least one groove. The brush retainment member has a knife electrical connector configured to mate with the fork electrical connector. A radio frequency identification device (RFID) tag is mounted on the brush retainment member, and the RFID tag is configured to monitor brush wear and communicate brush wear status to a monitoring system. The stationary support member is configured for electrical connection to a collector mount and the brush retainment member is configured to retain at least one brush.

An electrical machine permanent magnet rotor (and associated method of making) includes a plurality of disc-shaped laminations arranged in a stacked configuration. Each of the laminations has a plurality of magnetic material slots circumferentially spaced around a peripheral portion thereof. A first set of the slots on each lamination has a material bridge between a radial end of the slot and an outer circumferential edge of the lamination. A second set of the slots on each lamination have a radial end that extends to the outer circumferential edge of the lamination and is void of the material bridge.

Lamination stack for an electrical machine rotor and associated method of making

Embodiments of the invention relate generally to dynamoelectric machines and, more particularly, to bore connectors for dynamoelectric machines. In one embodiment, the invention provides a bore connector for a shaft of a dynamoelectric machine, the bore connector comprising: a pair of elongate connector bodies, each having a substantially hemispherical shape in cross section and at least one of which having: a radially opening aperture including an inner surface, at least a portion of which is threaded; and a threaded member having a threaded outer surface compatible with the threaded inner surface of the aperture, the threaded member being threadable into and out of the aperture.

Bore connector for dynamoelectric machine

A radial duct for a dynamoelectric machine having a rotor, and a plurality of radial slots in the rotor is provided. A plurality of coils are respectively seated in the radial slots, and the coils form a plurality of radially stacked turns. The radial duct includes one or more cooling slots defined in at least a portion of the radially stacked turns, and extend in a substantially radial direction to the rotor. At least a portion of an interior surface of one or more cooling slots includes one or more ribs for enhanced heat transfer.

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Guilderland, NY, United States of America

Curtis Maurice Hebert