Diaphragm pump and motor system and method
US12031534B2 · kind B2 · utility
0Cited by
46References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 25, 2022 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Jan 25, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brush ring assembly including a brush ring, a brush holder coupled to the brush ring, and a brush spring. The brush spring includes a coiled spring body, a first end portion and a second end portion. The first end portion and the second end portion are disposed on opposing ends of the spring body. The first end portion, the second end portion, and the coiled spring body are coupled to the brush holder. The first end portion is bent across at least a portion of the coiled spring body in a direction toward the second end portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.