18222521. COOLING STRUCTURE FOR ROTARY ELECTRIC MACHINE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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COOLING STRUCTURE FOR ROTARY ELECTRIC MACHINE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Hironobu Sakamoto of Toytota-shi (JP)

COOLING STRUCTURE FOR ROTARY ELECTRIC MACHINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18222521 titled 'COOLING STRUCTURE FOR ROTARY ELECTRIC MACHINE

Simplified Explanation

The abstract describes a cooling structure for a rotary electric machine, which includes a stator, a rotor, and a coil end. The cooling structure consists of a coil end cover that covers the coil end and can store a coolant, a coolant introduction hole for introducing the coolant, and a coolant discharge hole for discharging the coolant stored in the coil end cover. Additionally, there is a coolant supply unit connected to the coolant introduction hole to supply the coolant into the coil end cover.

  • The cooling structure is designed for a rotary electric machine with a ring-shaped stator and a rotatable rotor.
  • The coil end cover is used to cover the coil end and can store a coolant.
  • The coolant introduction hole allows the coolant to be introduced into the coil end cover.
  • The coolant discharge hole allows the coolant stored in the coil end cover to overflow and be discharged to the outside.
  • The coolant supply unit is connected to the coolant introduction hole and is responsible for supplying the coolant into the coil end cover.

Potential applications of this technology:

  • Electric vehicles: The cooling structure can be used in electric vehicle motors to efficiently cool the coil end and prevent overheating.
  • Industrial machinery: Rotary electric machines are commonly used in various industrial applications, and this cooling structure can enhance their performance and reliability.

Problems solved by this technology:

  • Overheating: The cooling structure effectively dissipates heat from the coil end, preventing overheating and potential damage to the rotary electric machine.
  • Improved efficiency: By maintaining optimal operating temperatures, the cooling structure helps improve the overall efficiency of the rotary electric machine.

Benefits of this technology:

  • Enhanced reliability: The cooling structure ensures that the coil end remains within a safe temperature range, reducing the risk of failures and extending the lifespan of the rotary electric machine.
  • Improved performance: By preventing overheating, the cooling structure helps maintain the performance and efficiency of the rotary electric machine.
  • Versatility: The cooling structure can be adapted to different types and sizes of rotary electric machines, making it a versatile solution for various applications.


Original Abstract Submitted

Provided is a cooling structure for a rotary electric machine, the rotary electric machine including a ring-shaped stator, a rotor that is disposed to face the stator and is rotatable about a rotation axis, and a coil end formed in a side portion in an axial direction of the stator. The cooing structure includes a coil end cover that covers the coil end, is provided so as to be able to store a coolant therein, and has a coolant introduction hole through which the coolant is introduced and a coolant discharge hole through which the coolant stored in the coil end cover overflows and is discharged to the outside, and a coolant supply unit connected to the coolant introduction hole and configured to supply the coolant into the coil end cover.

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