Electromagnetic valve
US7273206B2 · kind B2 · utility
65Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2005 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | Jul 26, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0627
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An electromagnetic manipulating portion of an electromagnetic valve includes a fixed iron core fixedly disposed in the inside hole of a bobbin and a movable iron core movably disposed in the inside hole and attracted to the fixed iron core by a magnetic attraction force. The fixed iron core and the movable iron core are composed of the same normally magnetic material in the same shape and in the same size and have compatibility each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.