Liquid blending and dispensing apparatus
US4150767A · kind A · utility
13Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1976 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Aug 27, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67D2007/746
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Liquid dispensing apparatus for dispensing a blend of first and second liquids has flowmeters operable to measure the quantity of each liquid delivered. The flowmeter outputs are multiplied by a factor equal to the proportion of one liquid in the blend and used to control a stepping motor which operates a blending valve. An error correction circuit is provided to correct for any accumulated error, and the apparatus also includes a cost determining circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.