Integrated electric oil pump
US12228131B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2024 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Apr 18, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/50
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An integrated electric oil pump includes a pump housing, in which a motor and a gerotor in the motor are arranged, a ball bearing is arranged between the motor and the gerotor, the motor includes a stator assembly and a motor rotor, the gerotor includes an inner gear, an outer gear and a pin, the hollow motor rotor is installed within the stator assembly, the outer gear is arranged in the motor rotor and is integrated with the motor rotor, a shaft sleeve is installed at a center of the motor rotor, the pin is arranged inside the shaft sleeve, the inner gear is arranged outside the shaft sleeve, the inner gear and the pin are respectively in press fit with the shaft sleeve, and the inner gear is engaged with the outer gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.