NL108281C - - Google Patents
Info
- Publication number
- NL108281C NL108281C NL108281DA NL108281C NL 108281 C NL108281 C NL 108281C NL 108281D A NL108281D A NL 108281DA NL 108281 C NL108281 C NL 108281C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/42—Impedances connected with contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
- H01H1/065—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved formed by freely suspended particles, e.g. magnetic dust or balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US645259A US3005070A (en) | 1957-03-11 | 1957-03-11 | Magnetic switching device |
Publications (1)
Publication Number | Publication Date |
---|---|
NL108281C true NL108281C (fr) |
Family
ID=9738035
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL108281D NL108281C (fr) | 1957-03-11 | ||
NL224360D NL224360A (fr) | 1957-03-11 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL224360D NL224360A (fr) | 1957-03-11 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3005070A (fr) |
DE (1) | DE1137494B (fr) |
GB (1) | GB863819A (fr) |
NL (2) | NL224360A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004014162A1 (de) * | 2004-03-17 | 2005-10-13 | Siemens Ag | Antriebseinrichtung mit einer Antriebswelle und einer Abtriebswelle insbesondere zum Antrieb eines Kontaktstückes eines elektrischen Schaltgerätes |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE119186C (fr) * |
-
0
- NL NL108281D patent/NL108281C/xx active
- NL NL224360D patent/NL224360A/xx unknown
-
1957
- 1957-03-11 US US645259A patent/US3005070A/en not_active Expired - Lifetime
-
1958
- 1958-01-23 GB GB2351/58A patent/GB863819A/en not_active Expired
- 1958-01-27 DE DET14662A patent/DE1137494B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3005070A (en) | 1961-10-17 |
DE1137494B (de) | 1962-10-04 |
GB863819A (en) | 1961-03-29 |
NL224360A (fr) |