JP2021071097A5

JP2021071097A5 -

Info

Publication number: JP2021071097A5
Application number: JP2019199051A
Authority: JP
Filing date: 2019-10-31
Publication date: 2021-11-11

Description

請求項１に記載の発明は、
車室外空気および車室内空気を区別して同時に吸入することが可能な送風機であって、
ファン軸心（ＣＬ）の軸方向（ＤＲａ）の一方側から吸い込んだ空気をファン軸心から遠ざかる方向に向けて吹き出すファン（３０）と、
ファンを収容し、ファンに対して軸方向の一方側にファンへ吸い込まれる空気の吸込口（３１）が形成されたケーシング（５０）と、
ファンの径方向の内側に配置される筒状部（７２）を含み、車室外空気を筒状部の外側に流し、且つ、車室内空気を筒状部の内側を流すことで、車室外空気と車室内空気とを分離する分離筒（７０）と、を備え、
ファンは、
ファン軸心の周りに配置された複数の第１ブレード（３１）と、
ファン軸心の周りに配置されて複数の第１ブレードに対して軸方向の他方側に位置する複数の第２ブレード（３２）と、
複数の第１ブレードと複数の第２ブレードとを接続するとともに複数の第１ブレードの相互間に形成される第１翼通路（３１０）を流れる車室外空気と複数の第２ブレードの相互間に形成される第２翼通路（３２０）を流れる車室内空気との混合を抑える分割板（３４）と、を含み、
ケーシングの内側には、ファンを基準として径方向の外側にファンから吹き出された空気の通風路が形成されるとともに、通風路（５３）を車室外空気が流入する第１通風路（５３１）と車室内空気が流入する第２通風路（５３２）とに仕切る仕切板（５７）が設けられ、
分割板は、第１ブレードの前縁から後縁まで延びる前縁板部（３４１）および第１ブレードに対して径方向の外側に位置する後縁板部（３４２）を有し、
後縁板部は、後縁板部における径方向の外側の端部が仕切板におけるファンに対向する上流縁部（５７１）よりも径方向の外側であって上流縁部よりも軸方向の他方側に位置付けられており、
仕切板には、後縁板部よりも径方向の外側に、後縁板部と仕切板との隙間に向かう車室内空気の向きを仕切板から離れる方向に転向させる気流転向部（８０）が設けられている。 The invention according to claim 1
It is a blower that can distinguish between the outside air and the inside air and inhale them at the same time.
A fan (30) that blows out air sucked from one side of the fan axis (CL) in the axial direction (DRa) in a direction away from the fan axis (30).
A casing (50) that accommodates the fan and has an air suction port (31) that is sucked into the fan on one side in the axial direction with respect to the fan.
The outside air of the passenger compartment includes the tubular portion (72) arranged inside in the radial direction of the fan, and the air outside the passenger compartment is allowed to flow outside the tubular portion, and the air inside the passenger compartment is allowed to flow inside the tubular portion. It is equipped with a separation cylinder (70) that separates the air inside the vehicle and the air inside the vehicle.
Fans
A plurality of first blades (31) arranged around the fan axis,
A plurality of second blades (32) arranged around the fan axis and located on the other side in the axial direction with respect to the plurality of first blades.
Between the vehicle interior air flowing through the first wing passage (310) formed between the plurality of first blades while connecting the plurality of first blades and the plurality of second blades and between the plurality of second blades. Includes a split plate (34) that suppresses mixing with the vehicle interior air flowing through the formed second wing passage (320).
Inside the casing, a ventilation path for air blown out from the fan is formed on the outside in the radial direction with reference to the fan, and the ventilation path (53) is combined with the first ventilation path (531) through which the air outside the passenger compartment flows. A partition plate (57) is provided to separate the second ventilation passage (532) into which the air inside the vehicle flows.
The split plate has a leading edge plate portion (341) extending from the front edge to the trailing edge of the first blade and a trailing edge plate portion (342) located radially outside the first blade.
The trailing edge plate has a radial outer end of the trailing edge plate that is radially outside of the upstream edge (571) facing the fan in the partition plate and axially opposite to the upstream edge. Positioned on the side,
The partition plate has an airflow diversion portion (80) that diverts the direction of the air inside the vehicle toward the gap between the trailing edge plate portion and the partition plate in the direction away from the partition plate, outside the trailing edge plate portion in the radial direction. that provided.

Claims

It is a blower that can distinguish between the outside air and the inside air and inhale them at the same time.
A fan (30) that blows out air sucked from one side of the fan axis (CL) in the axial direction (DRa) in a direction away from the fan axis (30).
A casing (50) accommodating the fan and having a suction port (31) for air sucked into the fan on one side in the axial direction with respect to the fan.
Including a tubular portion (72) arranged inside the fan in the radial direction, the outside air of the vehicle interior is allowed to flow outside the tubular portion, and the air inside the vehicle interior is allowed to flow inside the tubular portion. A separation cylinder (70) for separating the outside air of the vehicle and the air inside the vehicle is provided.
The fan
A plurality of first blades (31) arranged around the fan axis,
A plurality of second blades (32) arranged around the fan axis and located on the other side in the axial direction with respect to the plurality of first blades.
The outdoor air and the plurality of second blades that connect the plurality of first blades and the plurality of second blades and flow through the first wing passage (310) formed between the plurality of first blades. Includes a split plate (34) that suppresses mixing with the vehicle interior air flowing through the second wing passage (320) formed between the blades.
On the inside of the casing, a ventilation path for air blown from the fan is formed on the outside in the radial direction with reference to the fan, and the first ventilation path (53) allows the outside air to flow into the vehicle interior. A partition plate (57) for partitioning the ventilation passage (531) and the second ventilation passage (532) into which the vehicle interior air flows is provided.
The split plate has a leading edge plate portion (341) extending from the front edge to the trailing edge of the first blade and a trailing edge plate portion (342) located outside the first blade in the radial direction. ,
The trailing edge plate portion has the radial outer end portion of the trailing edge plate portion outside the upstream edge portion (571) of the partition plate facing the fan, and the upstream edge portion. It is positioned on the other side in the axial direction from the portion, and is positioned on the other side in the axial direction.
The partition plate is directed to the outside of the trailing edge plate portion in the radial direction so that the direction of the vehicle interior air toward the gap between the trailing edge plate portion and the partition plate is directed away from the partition plate. A blower provided with an airflow turning portion (80).