CA988983A - Stator structure for electrical machine - Google Patents

Stator structure for electrical machine

Info

Publication number
CA988983A
CA988983A CA178,281A CA178281A CA988983A CA 988983 A CA988983 A CA 988983A CA 178281 A CA178281 A CA 178281A CA 988983 A CA988983 A CA 988983A
Authority
CA
Canada
Prior art keywords
electrical machine
stator structure
stator
electrical
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA178,281A
Other versions
CA178281S (en
Inventor
James L. Kirtley (Jr.)
Joseph L. Smith (Jr.)
Philip Thullen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Massachusetts Institute of Technology
Original Assignee
Massachusetts Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Massachusetts Institute of Technology filed Critical Massachusetts Institute of Technology
Application granted granted Critical
Publication of CA988983A publication Critical patent/CA988983A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
    • F16L59/185—Adjustable joints, joints allowing movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
    • H01F6/065—Feed-through bushings, terminals and joints
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
    • H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
    • H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Superconductive Dynamoelectric Machines (AREA)
CA178,281A 1972-05-30 1973-08-08 Stator structure for electrical machine Expired CA988983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00257640A US3845639A (en) 1972-05-30 1972-05-30 Relatively rotatable cryogenic transfer system

Publications (1)

Publication Number Publication Date
CA988983A true CA988983A (en) 1976-05-11

Family

ID=22977117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,281A Expired CA988983A (en) 1972-05-30 1973-08-08 Stator structure for electrical machine

Country Status (2)

Country Link
US (1) US3845639A (en)
CA (1) CA988983A (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469749A (en) * 1973-03-13 1977-04-06 Davies R Liquid handling
DE2518062A1 (en) * 1975-04-23 1976-11-04 Kraftwerk Union Ag COOLANT CIRCUIT FOR THE RUNNER OF AN ELECTRIC MACHINE WITH SUPRAL CONDUCTING EXCITING DEVELOPMENT
US4123677A (en) * 1975-04-30 1978-10-31 General Electric Company Self-regulating transport mechanism for super-conductive rotor refrigerant
US3991588A (en) * 1975-04-30 1976-11-16 General Electric Company Cryogenic fluid transfer joint employing a stepped bayonet relative-motion gap
US4018059A (en) * 1975-04-30 1977-04-19 General Electric Company Cryogenic fluid transfer joint employing gaseous seals
US3991587A (en) * 1975-04-30 1976-11-16 General Electric Company Method of supplying cryogenic fluid through a transfer joint employing a stepped bayonet relative-motion gap
US4164126A (en) * 1975-04-30 1979-08-14 General Electric Company Self-regulating transport mechanism for superconductive rotor refrigerant
FR2319233A1 (en) * 1975-07-22 1977-02-18 Alsthom Cgee ROTATING MACHINE USING A COOLING FLUID PROVIDED BY ROTATING JOINT
US4056745A (en) * 1976-01-08 1977-11-01 Westinghouse Electric Corporation Cryogen transfer coupling with adjustable throttle valve for rotating machinery
FR2382641A1 (en) * 1977-03-03 1978-09-29 Bbc Brown Boveri & Cie IMPROVEMENTS TO HELIUM TRANSFER DEVICES BETWEEN A REFRIGERANT MACHINE AND THE ROTOR OF A ROTATING ELECTRIC MACHINE WITH SUPPRACONDUCTOR ROTORIC WINDING
CH622135A5 (en) * 1978-01-26 1981-03-13 Bbc Brown Boveri & Cie
DE2829555C3 (en) * 1978-07-05 1981-01-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for transferring a cryogenic medium
DE2856128C3 (en) * 1978-12-27 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Coolant connection head for an electrical machine, which contains a rotor which is rotatably mounted about an axis and has a superconducting winding which is to be frozen by a coolant
JPS5879465A (en) * 1981-10-31 1983-05-13 Hitachi Ltd Coolant supplying and exhausting device for superconductive rotor
US4488406A (en) * 1984-01-16 1984-12-18 Electric Power Research Institute, Inc. Coupling for cryogenic liquid transfer into rotating apparatus
US5149141A (en) * 1987-04-24 1992-09-22 Westinghouse Electric Corp. Internally-located rotating union for a motor-generator set
US5195786A (en) * 1991-02-01 1993-03-23 Westinghouse Electric Corp. Internally-located dual flow rotating union
DE19827207A1 (en) * 1998-06-18 1999-12-23 Linde Ag Device for the introduction of cryogenic media into containers
US6412289B1 (en) * 2001-05-15 2002-07-02 General Electric Company Synchronous machine having cryogenic gas transfer coupling to rotor with super-conducting coils
US6657333B2 (en) * 2001-09-17 2003-12-02 Reliance Electric Technologies, Llc Vacuum coupling of rotating superconducting rotor
US6897581B2 (en) * 2002-10-04 2005-05-24 Honeywell International Inc. High speed generator with the main rotor housed inside the shaft
US6956308B2 (en) * 2003-07-15 2005-10-18 Nikon Corporation Dual flow circulation system for a mover
US7355308B2 (en) * 2003-08-21 2008-04-08 Nikon Corporation Mover combination with two circulation flows
US7317268B2 (en) * 2004-03-30 2008-01-08 General Electric Company System and method for cooling a super-conducting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626717A (en) * 1970-08-27 1971-12-14 English Electric Co Ltd Apparatus for conveying a cold fluid to and from a rotatable body

Also Published As

Publication number Publication date
US3845639A (en) 1974-11-05

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