GB1567641A - Mining machine - Google Patents

Mining machine Download PDF

Info

Publication number
GB1567641A
GB1567641A GB39582/76A GB3958276A GB1567641A GB 1567641 A GB1567641 A GB 1567641A GB 39582/76 A GB39582/76 A GB 39582/76A GB 3958276 A GB3958276 A GB 3958276A GB 1567641 A GB1567641 A GB 1567641A
Authority
GB
United Kingdom
Prior art keywords
mining machine
machine according
circuit
branch
motor
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
GB39582/76A
Other languages
English (en)
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.)
Dresser Europe SPRL
Original Assignee
Dresser Europe SPRL
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 Dresser Europe SPRL filed Critical Dresser Europe SPRL
Priority to GB39582/76A priority Critical patent/GB1567641A/en
Priority to US05/833,671 priority patent/US4140951A/en
Priority to JP11346077A priority patent/JPS5339903A/ja
Priority to FR7728636A priority patent/FR2365689A1/fr
Priority to DE19772742915 priority patent/DE2742915A1/de
Publication of GB1567641A publication Critical patent/GB1567641A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/24—Variable impedance in stator or rotor circuit
    • H02P25/26—Variable impedance in stator or rotor circuit with arrangements for controlling secondary impedance
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB39582/76A 1976-09-23 1976-09-23 Mining machine Expired GB1567641A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB39582/76A GB1567641A (en) 1976-09-23 1976-09-23 Mining machine
US05/833,671 US4140951A (en) 1976-09-23 1977-09-15 Mining machine
JP11346077A JPS5339903A (en) 1976-09-23 1977-09-22 Mining machine
FR7728636A FR2365689A1 (fr) 1976-09-23 1977-09-22 Machine d'exploitation miniere entrainee par un moteur electrique
DE19772742915 DE2742915A1 (de) 1976-09-23 1977-09-23 Abbaumaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB39582/76A GB1567641A (en) 1976-09-23 1976-09-23 Mining machine

Publications (1)

Publication Number Publication Date
GB1567641A true GB1567641A (en) 1980-05-21

Family

ID=10410342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39582/76A Expired GB1567641A (en) 1976-09-23 1976-09-23 Mining machine

Country Status (5)

Country Link
US (1) US4140951A (enExample)
JP (1) JPS5339903A (enExample)
DE (1) DE2742915A1 (enExample)
FR (1) FR2365689A1 (enExample)
GB (1) GB1567641A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2495219A (en) * 2011-09-30 2013-04-03 Joy Mm Delaware Inc Turning a miner drum at a slow maintenance speed

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX153910A (es) * 1980-05-20 1987-02-19 Fausto Leal Espinoza Mejoras a un sistema de control electronico de velocidad para un motor electrico
US4443748A (en) * 1981-03-16 1984-04-17 Boev Vladimir S Method of controlling speed of at least one induction motor and device therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273669B (de) * 1964-11-10 1968-07-25 Licentia Gmbh Anordnung zur Drehzahlregelung eines Drehstrom-Asynchronmotors mit Schleifringlaeufer
FR1383635A (fr) * 1964-03-04 1964-12-24 Licentia Gmbh Procédé de contrôle ou de réglage de la vitesse des moteurs asynchrones
DE1233356B (de) * 1965-08-02 1967-02-02 Eickhoff Maschinenfabrik Geb Elektrisch angetriebene Schraemmaschine
US3657622A (en) * 1970-04-30 1972-04-18 Reuland Electric Co Industry Control for adjusting and regulating the speed of an electric motor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2495219A (en) * 2011-09-30 2013-04-03 Joy Mm Delaware Inc Turning a miner drum at a slow maintenance speed
US8608250B2 (en) 2011-09-30 2013-12-17 Joy Mm Delaware, Inc. Slow turning drum for a miner
US9194230B2 (en) 2011-09-30 2015-11-24 Joy Mm Delaware, Inc. Slow turning drum for a miner
RU2607134C2 (ru) * 2011-09-30 2017-01-10 Джой ММ Делавэр, Инк. Медленное вращение барабана горного комбайна
GB2495219B (en) * 2011-09-30 2019-01-02 Joy Global Underground Mining Llc Slow turning drum for a miner

Also Published As

Publication number Publication date
FR2365689A1 (fr) 1978-04-21
US4140951A (en) 1979-02-20
FR2365689B1 (enExample) 1984-02-10
DE2742915A1 (de) 1978-03-30
JPS5339903A (en) 1978-04-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee