Automatic solution mixing apparatus
US5177693A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1990 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Oct 4, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F35/8822
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An automatic solution mixing apparatus is provided with a plurality of solution distributors located on opposite sides of a common base plate supported on a supporting block. The support block is movable in opposite directions. Pistons of the solution distributors are connected to the common base plate so that dual solution mixing operations can be performed by the solution distributors with a high degree of accuracy. Moreover, a stepping motor is utilized as a driving motor, and the operation of the stepping motor can be controlled by controlling the number of pulses supplied to the driving motor without using a rotaty encoder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.