Vestibule valve reagent dispenser
US4029473A · kind A · utility
11Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1975 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | Oct 31, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3127
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An arrangement for the controlled delivery of liquid reagent is shown wherein a reservoir vessel for storing the liquid in volume is coupled to replenish a "vestibule vessel" provided for intermediate storage of the liquid enroute to the delivery point and for pneumatic propulsion thereof, the liquid being pneumatically driven from reservoir to the vestibule through a unidirectional check valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.