GB660974A - Improvements in and relating to electrical relays - Google Patents

Improvements in and relating to electrical relays

Info

Publication number
GB660974A
GB660974A GB27838/49A GB2783849A GB660974A GB 660974 A GB660974 A GB 660974A GB 27838/49 A GB27838/49 A GB 27838/49A GB 2783849 A GB2783849 A GB 2783849A GB 660974 A GB660974 A GB 660974A
Authority
GB
United Kingdom
Prior art keywords
winding
short
circuiting
armature
relay
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
GB27838/49A
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.)
KONINK METAALFAB V H J N DAALD
Original Assignee
KONINK METAALFAB V H J N DAALD
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 KONINK METAALFAB V H J N DAALD filed Critical KONINK METAALFAB V H J N DAALD
Publication of GB660974A publication Critical patent/GB660974A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by AC

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Direct Current Motors (AREA)
  • Electromagnets (AREA)
GB27838/49A 1948-10-29 1949-10-31 Improvements in and relating to electrical relays Expired GB660974A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL276538X 1948-10-29
NL230949X 1949-09-23

Publications (1)

Publication Number Publication Date
GB660974A true GB660974A (en) 1951-11-14

Family

ID=26643535

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27838/49A Expired GB660974A (en) 1948-10-29 1949-10-31 Improvements in and relating to electrical relays

Country Status (5)

Country Link
BE (1) BE491734A (enrdf_load_stackoverflow)
CH (1) CH276538A (enrdf_load_stackoverflow)
DE (1) DE836979C (enrdf_load_stackoverflow)
FR (1) FR998119A (enrdf_load_stackoverflow)
GB (1) GB660974A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE836979C (de) 1952-04-17
FR998119A (fr) 1952-01-15
CH276538A (de) 1951-07-15
BE491734A (enrdf_load_stackoverflow)

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