Electric pump
US11384776B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Oct 22, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electric pump includes a pump housing, a rotor assembly, a stator assembly, an isolation sleeve, a heat dissipation plate and an electric control board. The pump housing defines a pump inner chamber; the pump inner chamber is partitioned into a first cavity and a second cavity by the isolation sleeve; the rotor assembly is disposed in the first cavity; the stator assembly and the electric control board are disposed in the second cavity; the isolation sleeve comprises a bottom portion; at least a portion of the heat dissipation plate is disposed between the electric control board and the bottom portion; at least a portion of the bottom portion and at least a portion of the heat dissipation plate are in direct contact, or are filled with thermal silicone grease or thermal silica therebetween, or are provided with a thermal patch therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.