Directional control valve
US6318408A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2000 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Apr 5, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86847
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A three-way valve comprises a valve body which is formed to have a rectangular parallelepiped-shaped configuration and which has a plurality of ports provided in juxtaposition on a first side surface having a narrow width, a solenoid section which is provided at the inside of a casing and which includes a fixed iron core, a movable iron core, and an electromagnetic coil, and a valve mechanism section provided with a diaphragm which is arranged coaxially with the solenoid section and which is displaceable in accordance with an exciting action on the electromagnetic coil to switch the communication state between the first to third ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.