IT1118810B - Dispositivo magnetico di ritenuta per ritardare il movimento di apertura di un contattore - Google Patents

Dispositivo magnetico di ritenuta per ritardare il movimento di apertura di un contattore

Info

Publication number
IT1118810B
IT1118810B IT68536/79A IT6853679A IT1118810B IT 1118810 B IT1118810 B IT 1118810B IT 68536/79 A IT68536/79 A IT 68536/79A IT 6853679 A IT6853679 A IT 6853679A IT 1118810 B IT1118810 B IT 1118810B
Authority
IT
Italy
Prior art keywords
contactor
delay
retention device
opening movement
magnetic retention
Prior art date
Application number
IT68536/79A
Other languages
English (en)
Other versions
IT7968536A0 (it
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Publication of IT7968536A0 publication Critical patent/IT7968536A0/it
Application granted granted Critical
Publication of IT1118810B publication Critical patent/IT1118810B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/24—Parts rotatable or rockable outside coil
    • 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
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2436—Electromagnetic mechanisms with a holding and a releasing magnet, the holding force being limited due to saturation of the holding magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2472—Electromagnetic mechanisms with rotatable armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
IT68536/79A 1978-07-25 1979-07-24 Dispositivo magnetico di ritenuta per ritardare il movimento di apertura di un contattore IT1118810B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/927,715 US4173004A (en) 1978-07-25 1978-07-25 Magnetic latch device for a clapper type contactor

Publications (2)

Publication Number Publication Date
IT7968536A0 IT7968536A0 (it) 1979-07-24
IT1118810B true IT1118810B (it) 1986-03-03

Family

ID=25455138

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68536/79A IT1118810B (it) 1978-07-25 1979-07-24 Dispositivo magnetico di ritenuta per ritardare il movimento di apertura di un contattore

Country Status (9)

Country Link
US (1) US4173004A (it)
EP (1) EP0016196B1 (it)
JP (1) JPH0143417B2 (it)
CA (1) CA1109906A (it)
DE (1) DE2965189D1 (it)
IT (1) IT1118810B (it)
MX (1) MX151487A (it)
WO (1) WO1980000391A1 (it)
ZA (1) ZA793573B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881139A (en) * 1985-01-25 1989-11-14 Priam Corporation Latch mechanism for rotary actuator and the like
US4818965A (en) * 1986-06-23 1989-04-04 Siemens Aktiengesellschaft Electromagnetic relay
ATE120027T1 (de) * 1987-05-29 1995-04-15 Conner Peripherals Inc Abriegelungsmechanismus für plattenlaufwerk.
US5216662A (en) * 1987-05-29 1993-06-01 Conner Peripherals, Inc. Latch mechanism for disk drives
US5029026A (en) * 1987-05-29 1991-07-02 Conner Peripherals, Inc. Disk drive architecture
DE4012810A1 (de) * 1990-04-21 1991-10-24 Eberle Gmbh Elektromagnetisches remanenztriebsystem, insbesondere fuer relais

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR15451E (fr) * 1912-02-03 1912-07-18 Thomson Houston Comp Francaise Nouveau système de controle de circuits électriques
BE407152A (it) * 1934-01-06
US2902088A (en) * 1953-04-03 1959-09-01 Euclid Electric & Mfg Company Electric control device
DE1116301B (de) * 1956-02-13 1961-11-02 Siemens Ag Einrichtung an einem gleichstromerregten Schaltmagnet fuer Schuetze
US3525059A (en) * 1968-05-06 1970-08-18 Square D Co Electromagnetic contactor
US3689855A (en) * 1970-04-27 1972-09-05 Matsushita Electric Works Ltd Circuit protector
US3777294A (en) * 1972-11-20 1973-12-04 Texas Instruments Inc Electromagnetic switch

Also Published As

Publication number Publication date
MX151487A (es) 1984-12-04
EP0016196B1 (en) 1983-04-13
JPH0143417B2 (it) 1989-09-20
WO1980000391A1 (en) 1980-03-06
US4173004A (en) 1979-10-30
CA1109906A (en) 1981-09-29
ZA793573B (en) 1980-10-29
JPS55500424A (it) 1980-07-17
IT7968536A0 (it) 1979-07-24
EP0016196A1 (en) 1980-10-01
EP0016196A4 (en) 1980-11-14
DE2965189D1 (en) 1983-05-19

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