Air operated liquid pump
US5924602A · kind A · utility
6Cited by
19References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1998 |
| Grant date | Jul 20, 1999 |
| Priority date | — |
| Expiry date | Jul 10, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/026
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An air operated liquid pump includes a pump with a reciprocating plunger driven by a piston contained in a cylinder. The plunger is connected to and reciprocates a dispensing piston that moves between two positions relative to the plunger to open and close flow through valve holes that pass through the dispensing piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.