Reversible poppet valve cartridge
US4986299A · kind A · utility
24Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Sep 5, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/5109
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A solenoid (30) controlled, pilot air actuated valve assembly (10) includes a poppet valve cartridge (20) which is either of the normally open type or normally closed type by reversing assembly of identical component parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.