Stator laminate, stator assembly including the stator laminate, and method of making the stator assembly
US9803636B2 · kind B2 · utility
2Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2015 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Jan 21, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A stator assembly for a progressing cavity pump is provided. The stator assembly includes a number of stator laminates having a planar body defining a primary, inner passage and a number of outer passages, the outer passages disposed effectively adjacent the inner passage whereby the inner passage is at least partially defined by a band, wherein the band is outwardly flexible. The stator laminates are coupled to each other in a stack wherein the stator laminate body inner passages define a helical passage. The helical passage is a flexible helical passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.