Displacement pump
US6004117A · kind A · utility
5Cited by
13References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1999 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B3/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improved displacement pump is provided with flow path means preventing hysteresis-causing bubbles from accumulating in piston clearances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.