Liquid head control system
US4106671A · kind A · utility
49Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1977 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Mar 21, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7287
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automatically controlled liquid dispensing system including a reagent dispenser adapted to function as an intermediate container for dispensing relatively small controlled volumes of liquid to an associated receiving system in a continuous "demand" mode, this dispenser being indirectly monitored to be automatically and continually replenished after liquid is withdrawn therefrom, using a simple photoelectric liquid level monitor system including a fail-safe overflow control arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.