Wafer elements for progressing cavity stators
US3975120A · kind A · utility
22Cited by
1References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1974 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Nov 21, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01C1/107
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Progressive cavity motor with polyfoil stator assembled in a wafer array and method of formation of said stators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.