Lubrication and cooling oil distribution system for a vehicle transaxle
US11754169B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2022 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Jul 7, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/0482
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle transaxle includes a housing, an electric machine, and rotating components. The housing defines an internal cavity, a first channel, and a second channel. The first and second channels branch from a common inlet. The electric machine and rotating components are disposed within the internal cavity. The first channel is configured to deliver fluid to the electric machine for cooling. The second channel is configured to deliver the fluid to the rotating components for lubrication. The cooling channel is sized relative to the lubrication channel such that the fluid is biased from the inlet and toward the second channel in response to a temperature of the fluid being less than a threshold and is biased from the inlet and toward the first channel in response to the temperature of the fluid being greater than the threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.