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| Number | Title | Issue Date |
| 5430340 | Harmonic current path spring device between retaining ring and rotor wedge of a dynamoelectric generator In a dynamoelectric generator, a low-resistance electrical contact is provided by using a spring below the rotor slot wedges to bias the wedges against the overlapping retaining rings. This biased contact between the wedges and retaining rings forms a con... | 07/04/1995 |
| 5358432 | Resilient connectors for a generator/motor rotor A connector design for connecting rotor coil end turns and an exciter/rectifier assembly to a rotor bore copper conductor in a dynamoelectric machine. The design includes a terminal stud or pin sized to be closely received in a telescoping manner in a cyl... | 10/25/1994 |
| 5122696 | Main lead connector for a generator/motor rotor A flexible main lead connector design for connecting an end turn of a rotor winding of a generator/motor to a terminal stud. The connector includes a first elongate, radially directed, conductive member attached to the rotor winding and a second elongate ... | 06/16/1992 |
| 5113114 | Multilam or belleville spring contact for retaining rings on dynamoelectric machine In a dynamoelectric generator, a low-resistance electrical contact is provided by a multilam or belleville spring mounted between the outer surface of the rotor body and an overlapping retaining ring. This contact forms a conductive current path for high-... | 05/12/1992 |
| 4948996 | Direct cooled bore connector Cooling means are provided for directly cooling the bore bus bars which connect a direct current exciter such as a bore pack exciter to the field of an electric power generator. Two bore bus bars are separated by an insulating sheet have a circular cross ... | 08/14/1990 |
| 4904890 | Bore pack exciter cooling system A gas cooling system for a bore pack exciter for a power generator in which high velocity, colder cooling gas is obtained from the region within the generator where the entering cooling gas is impelled by the generator fan, and means to direct part of tha... | 02/27/1990 |
| 4854034 | Method for producing a stack of laminations with skewed conductor slots A stator of a dynamoelectric machine is preassembled using guidance members which are disposed at a skew angle with respect to a central axis of the stator. The outer perimeter of the preassembled elements is then machined to form guidance elements dispos... | 08/08/1989 |
| 4682064 | Coolant gas flow separator baffle for a dynamoelectric machine In a dynamoelectric machine having an annular stator core and a cylindrical rotor for concentric rotation therein, and defining a gap region between the rotor and the stator core, a baffle disposed in the gap region includes a shell member which circumfer... | 07/21/1987 |
| 4642498 | Internal common neutral bus in large three-phase generator A common neutral bus is formed in a lower frame extension of a large three-phase generator by disposing three sets of neutral current transformers within the lower frame extension and interconnecting the three phases downstream of the neutral current tran... | 02/10/1987 |
| 4519669 | Braid clamp for generator shaft voltage and current pickup A braid clamp for generator shaft voltage and current pickup employs a compound lever for forcibly locking clamping faces of a compound action clamping block into firm contact with a portion of a metallic braid. The metallic braid is thereby secured with ... | 05/28/1985 |
| 4488072 | Generator stator frame with integral high-voltage bushings A terminal plate is permanently affixed to a stator frame below the connector rings. High-voltage bushings are installed in the terminal plate at the user's site. Conducting bars are employed between each connector ring and its respective high-voltage bus... | 12/11/1984 |
| 4352034 | Stator core with axial and radial cooling for dynamoelectric machines wth air-gap stator windings A stator core for a dynamoelectric machine comprises a plurality of coaxially aligned annular module sections with axial cooling passages therethrough. The modules are spaced apart and fluid coupling means are disposed between the aligned axial passages i... | 09/28/1982 |
| 4330726 | Air-gap winding stator construction for dynamoelectric machine A stator for a dynamoelectric machine preferably comprises a stack of modular sections, each modular section comprising an outer metallic cylinder formed from a plurality of metallic laminations arranged in a plurality of layers. Furthermore, the stator m... | 05/18/1982 |
| 4317952 | Liquid cooled terminal boxes Terminal boxes for large dynamoelectric machines provide a housing for high voltage terminal bushings which connect the dynamoelectric machine with a power grid. The stray flux from the terminal bushings induces eddy and circulating currents in the termin... | 03/02/1982 |
| 4208599 | Integral composite nozzle-shield assembly for a gas-cooled dynamoelectric machine An integral nozzle-shield assembly for a gas-cooled dynamoelectric machine such as a large turbine-driven generator is described. The nozzle-shield assembly is formed of a non-conductive, non-magnetic material such as molded fiberglass and resin and serve... | 06/17/1980 |
| 4078471 | Fastening device A fastening device is provided which is suitable for holding large structural members in firm sealing engagement and in alignment with respect to each other and which can be easily placed in assembled position even when it must be employed in a confined a... | 03/14/1978 |
| 4039872 | Guide vane assembly for reverse flow cooled dynamoelectric machine A reverse flow cooled dynamoelectric machine is provided with guide vanes and a guide vane mounting assembly comprising means for mounting and positioning the guide vanes, and means for directing the flow of cooling gas from the fan to the cooler. A fan n... | 08/02/1977 |
