JPWO2022091294A5 - - Google Patents

Claims (5)

a casing having an inlet and an outlet;
a blower that is housed in the casing and forms an airflow that flows into the casing from the intake port and flows out from the exhaust port;
A box that is fixed to the casing and houses a sensor that measures the state of the air sucked into the casing from the intake port,
the blower comprises a motor having a shaft and a fan coupled to the shaft;
The box is formed with an inlet opening serving as an inlet for air sucked into the casing and an outlet opening serving as an outlet for the air flowing out from the box,
the sensor is housed in a portion between the inlet opening and the outlet opening;
In a plane perpendicular to the shaft, an angle formed by an imaginary line connecting the inlet opening and the outlet opening and an imaginary line connecting the shaft and an intermediate position between the inlet opening and the outlet opening is An air blower characterized by being 45 degrees or less. 2. The blower device of claim 1, wherein the inlet opening and the outlet opening are spaced apart. 3. The blower device according to claim 1, wherein the inlet opening and the outlet opening are formed across a surface facing the intake port and a surface perpendicular to the intake port. . 4. The apparatus according to any one of claims 1 to 3, wherein the box has a plurality of blister portions protruding toward the intake port, and the inlet opening and the outlet opening are formed in different blister portions, respectively. The blower device according to any one of claims 1 to 3. The fan includes a disk-shaped main plate fixed to the shaft, and a plurality of blades arranged along the periphery of the main plate,
5. The blower according to any one of claims 1 to 4 , wherein the box is installed so as not to protrude further toward the shaft than the vanes on a plane perpendicular to the shaft. Device.