Diaphragm pump and motor system and method
US11231027B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 2, 2018 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jan 16, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pump comprising a lower housing, a diaphragm assembly, an upper housing, a valve housing, and an o-ring is provided. The diaphragm assembly is positioned adjacent to the lower housing. The upper housing is positioned adjacent to the diaphragm assembly and includes an inlet chamber and an outlet chamber separated by a ring. The valve housing is positioned between the upper housing and the diaphragm assembly, encloses the inlet chamber and the outlet chamber, and includes a cutout in contact with the ring. The ring includes raised outer walls to receive the cutout and the o-ring is positioned between the raised outer walls of the ring and secured between the raised outer walls by the cutout.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.