Liquid feed apparatus to prevent liquids from mixing and error in feed amount
US5505335A · kind A · utility
3Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1993 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | Sep 28, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D11/134
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid feed apparatus which returns liquid to a tank by emptying a common pipe to prevent mixing of liquids. The liquid feed apparatus further does not display the amount of liquid in the feed pipe at the beginning of the liquid feed from the nozzle to prevent any error in liquid feed amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.