20240048026. BRUSHLESS ELECTRIC MOTOR WITH A MEMBRANE FOR REGULATING INTERNAL PRESSURE simplified abstract (Valeo Systemes Thermiques)

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BRUSHLESS ELECTRIC MOTOR WITH A MEMBRANE FOR REGULATING INTERNAL PRESSURE

Organization Name

Valeo Systemes Thermiques

Inventor(s)

Kamal Kada of Le Mesnil-Saint-Denis (FR)

David Bonneau of Le Mesnil-Saint-Denis (FR)

BRUSHLESS ELECTRIC MOTOR WITH A MEMBRANE FOR REGULATING INTERNAL PRESSURE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240048026 titled 'BRUSHLESS ELECTRIC MOTOR WITH A MEMBRANE FOR REGULATING INTERNAL PRESSURE

Simplified Explanation

The present invention is a brushless electric motor designed for rotating the rotor of a motor-driven fan in a vehicle. It consists of at least two electromagnetic elements, with at least one of them equipped with two or more coils. The motor also includes a housing that defines an internal volume, where a control circuit and a power circuit are housed. The power circuit is responsible for connecting the electrical power supply of the vehicle to the coils.

The power circuit incorporates at least one tube that establishes aeraulic communication between the internal volume of the housing and the external environment. This tube passes through a wall of the housing and is closed by a breathable membrane. The breathable membrane is impermeable to liquid water but allows the passage of at least one gas.

  • The invention is a brushless electric motor for vehicle fans, consisting of electromagnetic elements and a housing.
  • The electromagnetic elements have coils, and the housing contains a control circuit and a power circuit.
  • The power circuit connects the vehicle's power supply to the coils.
  • The power circuit includes a tube that connects the internal volume of the housing to the external environment.
  • The tube is closed by a breathable membrane that allows gas passage but prevents liquid water from entering.

Potential applications of this technology:

  • Automotive industry: The brushless electric motor can be used in vehicles for various applications, such as cooling fans, air conditioning systems, and ventilation systems.
  • Industrial sector: The motor can be utilized in industrial machinery and equipment that require efficient and reliable cooling or ventilation systems.

Problems solved by this technology:

  • Protection against water ingress: The breathable membrane prevents liquid water from entering the motor housing, ensuring its proper functioning and longevity.
  • Efficient cooling and ventilation: The aeraulic communication established by the tube and breathable membrane allows for effective cooling and ventilation of the motor, preventing overheating and improving performance.

Benefits of this technology:

  • Enhanced durability: The protection against water ingress provided by the breathable membrane increases the lifespan of the motor, reducing the need for frequent replacements or repairs.
  • Improved performance: The efficient cooling and ventilation system ensures optimal operation of the motor, resulting in better performance and energy efficiency.
  • Versatility: The brushless electric motor can be adapted for use in various applications within the automotive and industrial sectors, providing a versatile solution for different cooling and ventilation needs.


Original Abstract Submitted

the present invention provides a brushless electric motor for rotating a rotor of a motor-driven fan of a vehicle, comprising at least two electromagnetic elements, at least one of the electromagnetic elements being equipped with at least two coils, and a housing defining an internal volume in which are housed a control circuit and a power circuit, the power circuit being configured to electrically connect an electrical power supply of the vehicle to the coils. the power circuit comprises at least one tube configured to put the internal volume of the housing into aeraulic communication with an external environment of the housing, the tube passing through a wall of the housing, the power circuit comprising at least one breathable membrane arranged to close the tube, the breathable membrane being impermeable to liquid water and permeable to at least one gas.

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