Cooling arrangement for cooling of an electric machine and at least one further component of an electric power unit and a vehicle comprising such a cooling arrangement
US11635261B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 3, 2018 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Dec 19, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cooling arrangement for an electric machine (2) and at least one further component (4, 5) of an electric power unit: The cooling arrangement comprises an oil circuit (16), an oil pump (46) circulating oil to the electric machine (2), a first coolant circuit (6) configured to cool the further component (5) of the electric power unit, and coolant radiator arrangement (8a, 8b) in which the coolant in the first coolant circuit (6) is cooled by air, The oil circuit (16) comprises an oil radiator (46), an oil radiator fan (47) configured to provide an adjustable air flow through the oil radiator (46) and a heat exchanger (15) in which heat is transferred between the coolant in the first coolant circuit (6) and the oil in the oil circuit (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.