Progressive cavity transducer
US3999901A · kind A · utility
29Cited by
9References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1973 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Nov 14, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01C1/101
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This invention relates to progressing cavity fluid motors with multiple stator elements connected in series to provide a fluid passageway from the input of the initial stator of the series to the output of the terminal stator of the series; the rotor elements in each stator are connected together for simultaneous rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.