IT1149300B - Percussore ad attrazione e chiusura magnetici - Google Patents
Percussore ad attrazione e chiusura magneticiInfo
- Publication number
- IT1149300B IT1149300B IT21087/80A IT2108780A IT1149300B IT 1149300 B IT1149300 B IT 1149300B IT 21087/80 A IT21087/80 A IT 21087/80A IT 2108780 A IT2108780 A IT 2108780A IT 1149300 B IT1149300 B IT 1149300B
- Authority
- IT
- Italy
- Prior art keywords
- striker
- closure
- magnetic attraction
- attraction
- magnetic
- Prior art date
Links
Classifications
-
- 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
- H01H71/2454—Electromagnetic mechanisms characterised by the magnetic circuit or active magnetic elements
-
- 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
- H01H71/2463—Electromagnetic mechanisms with plunger type armatures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7908029A FR2452778A1 (fr) | 1979-03-30 | 1979-03-30 | Percuteur a attraction et verrouillage magnetiques |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8021087A0 IT8021087A0 (it) | 1980-03-31 |
IT1149300B true IT1149300B (it) | 1986-12-03 |
Family
ID=9223755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21087/80A IT1149300B (it) | 1979-03-30 | 1980-03-31 | Percussore ad attrazione e chiusura magnetici |
Country Status (11)
Country | Link |
---|---|
US (1) | US4370637A (it) |
JP (1) | JPS55132012A (it) |
BR (1) | BR8001899A (it) |
CA (1) | CA1130849A (it) |
CH (1) | CH633882A5 (it) |
DE (1) | DE3012151A1 (it) |
ES (1) | ES8101317A1 (it) |
FR (1) | FR2452778A1 (it) |
GB (1) | GB2050063B (it) |
IT (1) | IT1149300B (it) |
SE (2) | SE8002409L (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2145879A (en) * | 1983-09-01 | 1985-04-03 | Michael Clift | Solenoid actuator with loose-fit armature |
US4725800A (en) * | 1987-01-15 | 1988-02-16 | Westinghouse Electric Corp. | Circuit breaker with magnetic shunt hold back circuit |
US4876521A (en) * | 1987-08-25 | 1989-10-24 | Siemens Energy & Automation, Inc. | Tripping coil with flux shifting coil and booster coil |
US4801910A (en) * | 1988-02-10 | 1989-01-31 | Siemens Energy And Automation, Inc. | Magnetic actuating mechanism |
FR2639148B1 (fr) * | 1988-11-16 | 1991-08-02 | Merlin Gerin | Declencheur magnetique a large plage de reglage du seuil de declenchement |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD24996A (it) * | ||||
FR615035A (fr) * | 1925-08-31 | 1926-12-28 | Perfectionnements aux électro-aimants | |
CH230351A (de) * | 1940-11-08 | 1943-12-31 | Luftfahrtgeraetewerk Hakenfeld | Schlagmagnet mit magnetischer Rastung. |
US3249823A (en) * | 1964-01-08 | 1966-05-03 | Vitramon Inc | Electromagnetic actuator |
CH421297A (de) * | 1964-04-23 | 1966-09-30 | Peter Dipl Ing Isliker | Gleichstrommagnet |
DE1279188B (de) * | 1964-05-23 | 1968-10-03 | Bosch Gmbh Robert | Gegen thermische UEberlastung geschuetzter Wechselstrommagnet |
DE2055483A1 (de) * | 1970-10-29 | 1972-05-04 | Siemens Ag | Hydraulischer Antrieb für elek trische Schalter |
US3783423A (en) * | 1973-01-30 | 1974-01-01 | Westinghouse Electric Corp | Circuit breaker with improved flux transfer magnetic actuator |
US3792390A (en) * | 1973-05-29 | 1974-02-19 | Allis Chalmers | Magnetic actuator device |
US3984795A (en) * | 1976-02-09 | 1976-10-05 | I-T-E Imperial Corporation | Magnetic latch construction |
CH616271A5 (it) * | 1977-06-27 | 1980-03-14 | Weber Ag Fab Elektro |
-
1979
- 1979-03-30 FR FR7908029A patent/FR2452778A1/fr active Granted
-
1980
- 1980-03-27 GB GB8010262A patent/GB2050063B/en not_active Expired
- 1980-03-28 SE SE8002409D patent/SE8002409L/xx not_active Application Discontinuation
- 1980-03-28 ES ES490052A patent/ES8101317A1/es not_active Expired
- 1980-03-28 CH CH246080A patent/CH633882A5/fr not_active IP Right Cessation
- 1980-03-28 BR BR8001899A patent/BR8001899A/pt not_active IP Right Cessation
- 1980-03-28 DE DE19803012151 patent/DE3012151A1/de not_active Withdrawn
- 1980-03-28 SE SE8002409A patent/SE449676B/sv not_active IP Right Cessation
- 1980-03-31 US US06/135,377 patent/US4370637A/en not_active Expired - Lifetime
- 1980-03-31 JP JP4189880A patent/JPS55132012A/ja active Granted
- 1980-03-31 CA CA348,894A patent/CA1130849A/fr not_active Expired
- 1980-03-31 IT IT21087/80A patent/IT1149300B/it active
Also Published As
Publication number | Publication date |
---|---|
CA1130849A (fr) | 1982-08-31 |
FR2452778A1 (fr) | 1980-10-24 |
ES490052A0 (es) | 1980-12-01 |
IT8021087A0 (it) | 1980-03-31 |
ES8101317A1 (es) | 1980-12-01 |
GB2050063A (en) | 1980-12-31 |
SE449676B (sv) | 1987-05-11 |
CH633882A5 (fr) | 1982-12-31 |
BR8001899A (pt) | 1980-11-25 |
FR2452778B1 (it) | 1982-02-05 |
JPS55132012A (en) | 1980-10-14 |
US4370637A (en) | 1983-01-25 |
JPS6318845B2 (it) | 1988-04-20 |
DE3012151A1 (de) | 1980-10-09 |
SE8002409L (sv) | 1980-10-01 |
GB2050063B (en) | 1983-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950331 |