Blower motor cooling tube noise suppressor for ticking/chirping
AssigneeDENSO International America, Inc.
InventorsPrakash T. Thawani, Stephen Sinadinos
Life of this patent
Estimating the term…
Abstract
A blower unit for a vehicle including a fan, a motor, a scroll case, a cooling chamber, a first partition, and a second partition. The fan is configured to generate airflow. The motor is connected to the fan. The scroll case accommodates the fan. The cooling chamber is connected to the scroll case and defines a cooling path for guiding airflow from the fan to the motor. The first partition is arranged in the cooling path. The second partition is arranged in the cooling path spaced apart from the first partition.
Claims20
A blower unit for a vehicle comprising:
- a fan configured to generate airflow;
- a motor connected to the fan;
- a scroll case accommodating the fan;
- a cooling path connected to the scroll case, the cooling path guiding a part of the airflow from the fan to the motor;
- a first surface accommodated in the cooling path, the first surface being generally perpendicular to the part of the airflow directed to the motor;
- and
- a second surface accommodated in the cooling path, the second surface being substantially parallel to the first surface;
- wherein the first surface and the second surface at least partially overlap each other in a direction of the airflow directed to the motor, the first and second surfaces defining a first gap therebetween.
A blower unit for a vehicle comprising:
- a fan configured to generate airflow;
- a motor connected to the fan;
- a scroll case accommodating the fan;
- a cooling chamber connected to the scroll case and defining a cooling path for guiding airflow from the fan to the motor;
- a first partition arranged in the cooling path;
- and
- a second partition arranged in the cooling path spaced apart from the first partition.
A blower unit for a vehicle comprising:
- a fan configured to generate airflow;
- a motor connected to the fan and seated within a motor housing;
- a scroll case accommodating the fan;
- a cooling chamber connected to the scroll case and defining a cooling path for guiding airflow from the fan to the motor;
- a sloped surface of the cooling chamber that extends between an outer peripheral portion of the scroll case to an edge of the motor housing;
- a first partition arranged in the cooling path and extending from the scroll case;
- and
- a second partition arranged in the cooling path spaced apart from the first partition and extending from one of the scroll case or the sloped surface.
Dependencies are inferred from the claim text.