Fluid dispensing system
US5516429A · kind A · utility
122Cited by
25References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1993 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Aug 18, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1234
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid dispensing system is provided which has first diaphragm pump means, a filter connected to receive the discharge of said first pump, and accumulator/second diaphragm pump means connected to receive the discharge of said filter. Hydraulic fluids pumped by cylinder/piston/stepper assemblies independently actuate each of the diaphragm pumps, providing accurate, controllable and repeatable dispense of the subject fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.