Solenoid valve
US7614603B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Nov 10, 2009 |
| Priority date | — |
| Expiry date | Aug 15, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/061
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A solenoid valve includes: a moving core; a coil for generating magnetic force that attracts the moving core; a stator that forms a magnetic circuit in cooperation with the moving core and attracts the moving core; and a cup-shaped member disposed at the inner periphery of the stator and on the outer periphery of the moving core. The cup-shaped member reciprocatably supports the moving core, and restricts hydraulic fluid leakage from the moving core side to the outer periphery side. A collar made of a soft magnetic material, disposed so as to face a face on the stator side in the axial direction of the moving core, and forming a magnetic circuit in cooperation with the moving core and the stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.