Gear pump having multiple pairs of gears
US5174725A · kind A · utility
7Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Dec 2, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C11/001
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improvement is provided in a gear pump comprising a pair of intermeshing gears enclosed in a housing, the improvement comprising having at least one additional pair of intermeshing gears, wherein the gear pairs are non-meshing with one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.