Electric oil pump including pump housing and eccentric assembly non-concentrically arranged with pump housing
US12140141B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2024 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Apr 30, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/80
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present application discloses a high-precision electric oil pump, which relates to the technical field of new energy vehicles. The electric oil pump includes a pump housing connected with an outer gear and an inner gear engaged with each other, the pump housing is internally connected to a fixed shaft concentrically arranged with the pump housing, the outer gear is connected to the fixed shaft and concentrically arranged with the pump housing, the fixed shaft includes a connecting section, an eccentric calibrator is provided on an outer circumferential wall of the connecting section, the eccentric calibrator and the connecting section form an eccentric assembly, the inner gear is rotated around a geometric central axis of the eccentric assembly, and the eccentric assembly is non-concentrically arranged with the pump housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.