Flow rate control valve
US5158263A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1991 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Oct 30, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/0651
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a flow rate control valve comprising a fixed core made of a magnetic material provided with a coil arranged on a circumference thereof, a movable core and a valve body made of a magnetic material moved by an attraction by a magnetic force of said fixed core or a release from said magnetic force to open and close a valve seat and a movable member composed of a supporting spring, the fixed core is provided with a flowing conduit passing through an opening formed in a surface opposite to said movable member and the movable member is provided with a passage guiding a fluid, so that the total quantity of fluid can be smoothly flown without staying a part of the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.