Patent · US Active

Electric machine with liquid cooling

US11228229B2 · kind B2 · utility

0Cited by
2References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 2017
Grant dateJan 18, 2022
Priority date
Expiry dateDec 13, 2037

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K11/22
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Described are, among other things, an electric machine (10) and a housing (12) for an electric machine. The electric machine (10) is provided with a liquid cooling arrangement and comprises a housing (12). The housing (12) is formed as one unitary element and comprises a first space (30) in which first space (30) a stator (21) and a rotor (23) are located. The rotor (23) has a shaft (20). Further, a second space (50) is formed in the housing (12). In the second space (50) electronics (54) for operation of the electric machine is located. Also, a third space (40) is formed in the housing (12), the third space (40) is located, seen in axial direction of the shaft (20), between the first space (30) and the second space (50). The third space (40) comprises at least one inlet (18) for a cooling liquid and at least one outlet (28) for the cooling liquid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.