Electromagnet device, method of assembling the same, and electromagnetic relay using the same
The present invention provides an electromagnet device which can obtain a desirable attraction force (retention force) between an iron core and a movable iron piece, a method of assembling the electromagnet device and an electromagnetic relay using the electromagnet device, the electromagnet device...
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| creator | FURUSHO SHINICHI SUMINO TOSHIFUMI KATO TATSURO KITAGUCHI HARUMICHI MURAKAMI KAZUYA YAMAMOTO MASAAKI |
| description | The present invention provides an electromagnet device which can obtain a desirable attraction force (retention force) between an iron core and a movable iron piece, a method of assembling the electromagnet device and an electromagnetic relay using the electromagnet device, the electromagnet device including an electromagnet block having the iron core being wound by a coil and an auxiliary yoke fixed to one end portion of the iron core, a yoke connected to the one end portion of the iron core via a permanent magnet, the movable iron piece pivotably supported on a pivoting shaft center (serving as a fulcrum) located in an end face edge portion of the yoke so that the movable iron piece pivots on a basis of magnetization and demagnetization of the electromagnet block, where the permanent magnet is located on an extension line of an axial center of the iron core and is interposed between the auxiliary yoke and the yoke. |
| format | Patent |
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YAMAMOTO MASAAKI</creatorcontrib><description>The present invention provides an electromagnet device which can obtain a desirable attraction force (retention force) between an iron core and a movable iron piece, a method of assembling the electromagnet device and an electromagnetic relay using the electromagnet device, the electromagnet device including an electromagnet block having the iron core being wound by a coil and an auxiliary yoke fixed to one end portion of the iron core, a yoke connected to the one end portion of the iron core via a permanent magnet, the movable iron piece pivotably supported on a pivoting shaft center (serving as a fulcrum) located in an end face edge portion of the yoke so that the movable iron piece pivots on a basis of magnetization and demagnetization of the electromagnet block, where the permanent magnet is located on an extension line of an axial center of the iron core and is interposed between the auxiliary yoke and the yoke.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; 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| subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES INDUCTANCES MAGNETS RELAYS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SELECTORS TRANSFORMERS |
| title | Electromagnet device, method of assembling the same, and electromagnetic relay using the same |
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