Fluid mixing apparatus
US6131601A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1999 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Jun 4, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87643
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A reduced pressure shut off assembly for an eductor mixing system wherein a vacuum shut off valve is activated by reduced pressure in a reduced pressure line connected to a container for a concentrate. In a preferred embodiment, an eductor and the vacuum shut off valve are positioned on top a vessel for storing a solution of the concentrate. The mixing system with the vacuum shut off valve is especially adapted to being used for mixing a chemical concentrate cleaning composition with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.