Wafer elements for progressing cavity stators
US3975121A · kind A · utility
26Cited by
1References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1974 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Nov 20, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01C1/101
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A progressive cavity motor with a bifoil stator assembled in a straight-sided wafer array and methods of formation of said stators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.