Pilot operated electrically actuated value assembly
US5145145A · kind A · utility
15Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Mar 11, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/404
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pilot operated electromagnetically actuated valve having a flexible diaphragm main valve operator with a rigid insert forming the pilot valve seat and passage. The pilot valving chamber cover serves as an armature pilot valve guide and also has plural spaced ribs engaging and guiding movement of the rigid insert and pilot valve seat. A separate inlet passage having an annular filter formed by circumferentially spaced grooves and a resilient flange provided on a disc member inserted in the valve inlet flow to a remote pilot bleed hole in the cover for supplying the pilot valving chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.