Bistable dual-magnet valve unit
US7004446B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Sep 16, 2002 |
| Grant date | Feb 28, 2006 |
| Priority date | — |
| Expiry date | Jun 5, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/086
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A dual-magnet valve unit having a first master magnet ring assembly with an outer casing slidably contained within an outer housing that forms a chamber with the casing of the master magnet ring assembly and a second, slave magnet disk assembly with an outer tube and a poppet member in the form of a cone and displaceable within the inner transport fluid conduit, the inner transport fluid conduit having a valve seat contactable by the cone of the poppet member to block fluid flow through the fluid conduit in one position of the slave magnet disk assembly and displaceable from the cone to pass fluid flow through the fluid conduit in an opposite position of the slave magnet disk assembly, the master magnet ring assembly being displaced by selective supply of a motive fluid to the chamber to displace the master magnet ring assembly from one position to another, which automatically displaces the slave magnet ring assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.