Rotating electric machine with fluid supported parts

Title: Rotating electric machine with fluid supported parts

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Abstract

A rotating electric machine in which the armature winding thereof and other parts are supported by a liquid to withstand the mechanical stresses applied during transient overloads and the like. In particular, a narrow gap is provided between the armature winding and the stator which supports it and this gap is filled with an externally pressurized viscous liquid. The liquid is externally pressurized sufficiently to balance the static loads on the armature winding. Transient mechanical loads which deform the armature winding alter the gap dimensions and thereby additionally pressurize the viscous liquid to oppose the armature winding deformation and more nearly uniformly to distribute the resulting mechanical stresses.

Inventors:

Smith, Jr., Joseph L. ^[1]; Kirtley, Jr., James L. ^[2]

(Concord, MA)
(Brookline, MA)

Issue Date:: 1981-01-01

OSTI Identifier:: 863998

Patent Number(s):: 4291249

Assignee:: Massachusetts Institute of Technology (Cambridge, MA)

Patent Classifications (CPCs):: H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

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H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K3/47 - Air-gap windings, i.e. iron-free windings
H02K55/04 - with rotating field windings

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S505/878 - with cooling

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E40/60 - Superconducting electric elements or equipment or power systems integrating superconducting elements or equipment

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DOE Contract Number:: E(49-18)-2295

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: rotating; electric; machine; fluid; supported; armature; winding; liquid; withstand; mechanical; stresses; applied; transient; overloads; particular; narrow; gap; provided; stator; supports; filled; externally; pressurized; viscous; sufficiently; balance; static; loads; deform; alter; dimensions; additionally; pressurize; oppose; deformation; nearly; uniformly; distribute; resulting; armature winding; viscous liquid; electric machine; rotating electric; narrow gap; mechanical stresses; mechanical loads; mechanical stress; stresses applied; externally pressurized; mechanical load; /310/505/

Citation Formats


                    Smith, Jr., Joseph L., and Kirtley, Jr., James L. Rotating electric machine with fluid supported parts.  United States: N. p., 1981. 
        Web.

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                    Smith, Jr., Joseph L., & Kirtley, Jr., James L. Rotating electric machine with fluid supported parts.  United States.

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                    Smith, Jr., Joseph L., and Kirtley, Jr., James L. Thu .  
        "Rotating electric machine with fluid supported parts".  United States.  https://www.osti.gov/servlets/purl/863998.

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@article{osti_863998,

  title        = {Rotating electric machine with fluid supported parts},

  author       = {Smith, Jr., Joseph L. and Kirtley, Jr., James L.},

  abstractNote = {A rotating electric machine in which the armature winding thereof and other parts are supported by a liquid to withstand the mechanical stresses applied during transient overloads and the like. In particular, a narrow gap is provided between the armature winding and the stator which supports it and this gap is filled with an externally pressurized viscous liquid. The liquid is externally pressurized sufficiently to balance the static loads on the armature winding. Transient mechanical loads which deform the armature winding alter the gap dimensions and thereby additionally pressurize the viscous liquid to oppose the armature winding deformation and more nearly uniformly to distribute the resulting mechanical stresses.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1981},

  month        = {1}

}

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