Polyjet valve with backwash
US4508138A · kind A · utility
25Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1983 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Aug 5, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86807
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A polyjet valve has an inlet opening into an inlet chamber normally communicating through a movable polyjet sleeve in variable amounts and in one direction with an outlet chamber having an outlet. There is a block to close the outlet and a conduit to establish backflow from the outlet chamber through the polyjet sleeve in the reverse direction and then to waste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.