Invention Grant
- Patent Title: Electric vehicle with rotating electrical machine, motor case, inverter and cooling mechanism
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Application No.: US17542498Application Date: 2021-12-06
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Publication No.: US12134324B2Publication Date: 2024-11-05
- Inventor: Naoyuki Kishimoto , Fumiki Tanahashi
- Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Applicant Address: JP Aichi-ken
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Aichi-ken
- Agency: HAUPTMAN HAM, LLP
- Priority: JP2021-015037 20210202
- Main IPC: H02K9/00
- IPC: H02K9/00 ; B60L3/00 ; B60L15/00 ; B60L50/51

Abstract:
An electric vehicle includes a rotating electrical machine; a motor case that accommodates the rotating electrical machine; a cooling mechanism that supplies oil to the rotating electrical machine and cools the rotating electrical machine; an inverter that drives the rotating electrical machine; and a connecting member that electrically connects the inverter and the rotating electrical machine, wherein the electric vehicle is of a structure in which the inverter is integrated with the motor case, the cooling mechanism includes a supply port provided inside the motor case at a position upward from the rotating electrical machine to discharge the oil to the connecting member, and the connecting member includes a portion provided inwardly in a radial direction from an outer periphery of the rotating electrical machine inside the motor case, at a position upward from a rotation center of the rotating electrical machine and downward from the supply port.
Public/Granted literature
- US20220242253A1 ELECTRIC VEHICLE Public/Granted day:2022-08-04
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