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公开(公告)号：US11621610B2
公开(公告)日：2023-04-04
申请号：US16773395
申请日：2020-01-27
Applicant: Caterpillar Inc.
Inventor： Keith A. Leisinger , Joseph D. Tigue , Gregory T. Austin , Ranjit Singh
Abstract: A cooling assembly for an electric machine is disclosed. The cooling assembly may include a generally cylindrical cooling jacket for receiving a shaft, a rotor and a stator. Further, the cooling jacket jacket may be disposed in an electric machine housing. Additionally, the cooling assembly may include at least two first passages in the cooling jacket for circulating a first coolant and at least one second passage in the cooling jacket for circulating a second coolant, the second passage being disposed between the at least two first passages. Further, the cooling assembly may include a third passage on an exterior of the machine housing, the third passage extending through the housing to fluidly connect the at least two first passages and bypass the second passage.
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公开(公告)号：US20210234436A1
公开(公告)日：2021-07-29
申请号：US16773395
申请日：2020-01-27
Applicant: Caterpillar Inc.
Inventor： Keith A. Leisinger , Joseph D. Tigue , Gregory T. Austin , Ranjit Singh
Abstract: A cooling assembly for an electric machine is disclosed. The cooling assembly may include a generally cylindrical cooling jacket for receiving a shaft, a rotor and a stator. Further, the cooling jacket jacket may be disposed in an electric machine housing. Additionally, the cooling assembly may include at least two first passages in the cooling jacket for circulating a first coolant and at least one second passage in the cooling jacket for circulating a second coolant, the second passage being disposed between the at least two first passages. Further, the cooling assembly may include a third passage on an exterior of the machine housing, the third passage extending through the housing to fluidly connect the at least two first passages and bypass the second passage.
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