Power unit device of vehicle
US11377987B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2021 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/005
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a power unit device of a vehicle in which a differential device is arranged on one side of an engine, warming-up of the engine is facilitated while heat convection from an oil pan to a differential housing is inhibited. The power unit device includes a heat insulating member that covers the outer side of an oil pan, and a differential housing that is fitted to and mounted on the oil pan. A fitting portion is provided in the differential housing, and a fitted portion is provided in the oil pan. A fitting face portion of one of the fitting portion and the fitted portion includes, at different positions in the circumferential direction, a plurality of recesses and projections in the radial direction, and is fitted to a fitting face portion of the other of the fitting portion and the fitted portion by the plurality of projections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.