FR489502A - Improvements in electric lifting magnets - Google Patents

Improvements in electric lifting magnets

Info

Publication number
FR489502A
FR489502A FR489502DA FR489502A FR 489502 A FR489502 A FR 489502A FR 489502D A FR489502D A FR 489502DA FR 489502 A FR489502 A FR 489502A
Authority
FR
France
Prior art keywords
electric lifting
lifting magnets
magnets
electric
lifting
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
Other languages
French (fr)
Inventor
Allen West
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.)
Allen West and Co Ltd
Original Assignee
Allen West and Co Ltd
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 Allen West and Co Ltd filed Critical Allen West and Co Ltd
Application granted granted Critical
Publication of FR489502A publication Critical patent/FR489502A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR489502D 1916-08-19 1918-03-29 Improvements in electric lifting magnets Expired FR489502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB489502X 1916-08-19

Publications (1)

Publication Number Publication Date
FR489502A true FR489502A (en) 1919-02-14

Family

ID=1525738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR489502D Expired FR489502A (en) 1916-08-19 1918-03-29 Improvements in electric lifting magnets

Country Status (1)

Country Link
FR (1) FR489502A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409223A1 (en) * 1977-11-22 1979-06-15 British Steel Corp Magnetically operated lifting device - has permanent magnets whose field is modified by movable pole piece and seal extending across gap between fixed pole pieces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409223A1 (en) * 1977-11-22 1979-06-15 British Steel Corp Magnetically operated lifting device - has permanent magnets whose field is modified by movable pole piece and seal extending across gap between fixed pole pieces

Similar Documents

Publication Publication Date Title
FR489502A (en) Improvements in electric lifting magnets
FR442176A (en) Improvements in electric lamps
FR489023A (en) Improvements in lifting magnets
FR490239A (en) Improvements in electrical switches
FR518704A (en) Improvements in insulators
FR486644A (en) Improvements in electric ovens
FR482036A (en) Improvements in pumps
FR480935A (en) Improvements in springs
FR486194A (en) Improvements in switches
FR505380A (en) Improvement in electric lanterns
FR484271A (en) Improvements in electrical contacts
FR481411A (en) Improvements in badgers
FR520549A (en) Improvements in electrical controllers
FR486949A (en) Improvements in power hammers
FR484414A (en) Improvements in dynamo-electric machines
FR481100A (en) Improvements in dynamo-electric machines
FR479706A (en) Improvements in electrical switches
FR479348A (en) Improvements in electric generators
FR461847A (en) Improvements in electric ovens
FR495773A (en) Improvements in bearings
FR480767A (en) Improvements in pantographs
FR494677A (en) Improvements in electric ovens
FR477109A (en) Improvements in electric lamps
FR446846A (en) Improvements in electric locomotives
FR431763A (en) Improvements in cranes