WO2018043640A1 - Soufflante centrifuge pour climatiseur de véhicule - Google Patents

Soufflante centrifuge pour climatiseur de véhicule Download PDF

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Publication number
WO2018043640A1
WO2018043640A1 PCT/JP2017/031345 JP2017031345W WO2018043640A1 WO 2018043640 A1 WO2018043640 A1 WO 2018043640A1 JP 2017031345 W JP2017031345 W JP 2017031345W WO 2018043640 A1 WO2018043640 A1 WO 2018043640A1
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WIPO (PCT)
Prior art keywords
line segment
separation cylinder
impeller
region
air
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PCT/JP2017/031345
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English (en)
Japanese (ja)
Inventor
長野　秀樹
豊 七間
荒木　大助
林　直人
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株式会社ヴァレオジャパン
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Publication of WO2018043640A1 publication Critical patent/WO2018043640A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers

Definitions

  • the present invention relates to a centrifugal blower applied to a two-layer flow type vehicle air conditioner.
  • This type of air conditioner includes two air passages that are separated from each other, that is, a first air passage and a second air passage, and a single centrifugal fan that causes air to flow through these two air passages.
  • the centrifugal blower has a scroll housing and an air intake housing for taking in air sent to the scroll housing.
  • the centrifugal blower has a separation cylinder inserted into the space inside the radial direction of the suction port of the scroll housing and the blade row of the impeller (see, for example, Patent Document 1).
  • the space between the radially outer side of the blade row of the impeller and the scroll housing is vertically divided by the separation wall, and thereby the second air passage communicating with the first air passage and the second air passage communicating with the first air passage.
  • An air flow path is formed.
  • the separation cylinder flows into the first air flow path after the first air flow flowing through the first passage outside the separation cylinder is introduced into the upper half of the blade row, and flows through the second passage inside the separation cylinder.
  • the second air flow is provided so as to flow into the second air flow path after being introduced into the lower half of the blade row.
  • the scroll housing is formed so that the widths of the first air flow path and the second air flow path increase from the tongue portion to the discharge portion connected to the air passage.
  • the flow velocity of air sucked by the impeller flow velocity of the first air flow
  • the suction of the first air flow performed through the gap between the separation cylinder and the suction port becomes non-uniform from the tongue portion to the discharge portion. That is, in the gap between the separation cylinder and the suction port, there is a possibility that the flow rate of air that should be sucked in cannot be sucked in a place near the discharge unit.
  • the present invention relates to a single suction centrifugal blower for a vehicle in which a suction port of a scroll housing is separated by a separation cylinder, and sucks more air into the scroll housing through a gap between the separation cylinder and the suction port. It aims to make it possible.
  • a single suction centrifugal blower for a vehicle which has a motor and a plurality of blades forming a circumferential blade row, and is rotated around a rotation axis by the motor.
  • An impeller that is driven to blow out air sucked into a radially inner space of the blade row from one end side in the axial direction, an inner space that houses the impeller, and the axial direction
  • a scroll housing having a suction port that opens to one end side and a discharge port that opens in the circumferential direction; and an inner peripheral surface of the scroll housing and an outer peripheral surface of the impeller in the internal space of the scroll housing.
  • a partition wall that divides the internal space of the discharge port and the internal space of the discharge port in the axial direction to form the first air flow path and the second air flow path, the radially inner side of the suction port, and the impeller Within the radial direction of the cascade A separation cylinder extending in the axial direction through the first and second air flows passing through the outside of the separation cylinder and the inside of the separation cylinder.
  • a separation cylinder that divides the second air flow therethrough, and the separation cylinder turns the first air flow outward in the radial direction to guide the first air flow path and the second air.
  • a cross section of the centrifugal blower having a guide portion that turns the flow radially outward and guides it to the second air flow path includes the suction port, and is orthogonal to the rotation axis of the impeller,
  • An imaginary line segment connecting the rotation axis of the impeller and the tip of the tongue of the scroll housing is used as a reference line segment, and the reference line segment is rotated 90 degrees about the rotation axis of the impeller in the rotation direction of the impeller.
  • the first line segment is defined as the first line segment
  • the reference line segment is defined as When a line segment rotated 270 degrees in the rotation direction of the impeller about the rotation axis of the impeller is defined as a second line segment, the region in the region between the reference line segment and the second line segment
  • the area of the opening between the contour line of the outer peripheral surface of the separation cylinder and the contour line of the suction port is larger than the area of the opening in the region between the reference line segment and the first line segment.
  • a blower is provided.
  • the first air flow in the region is increased.
  • the total flow rate of air taken into the first air flow path can be increased.
  • FIG. 1 and FIG. 2 are cross-sectional views showing a structure in the vicinity of an air intake part and a centrifugal blower of an air conditioner for vehicles.
  • the centrifugal blower 1 is a single suction centrifugal blower.
  • the centrifugal blower 1 has an impeller 2.
  • the impeller 2 has a plurality of blades 3 forming a blade row 3A arranged in the circumferential direction on the outer peripheral portion thereof.
  • the impeller 2 is driven to rotate about the rotation axis Ax by the motor 13, and the air sucked from the upper side in the axial direction (one end side in the axial direction) into the radially inner space of the blade row of the impeller 2 is directed outward in the radial direction. And blow out.
  • the direction of the rotation axis Ax is referred to as the axial direction or the vertical direction, and the upper side and the lower side in FIGS. 1 and 2 are respectively referred to as “axially upper side” and “axially lower side”. Call. However, this does not mean that the direction of the rotation axis Ax coincides with the vertical direction when the air conditioner is actually incorporated in a vehicle.
  • the direction of the radius of a circle drawn on a plane perpendicular to the rotation axis Ax around an arbitrary point on the rotation axis Ax is referred to as a radial direction.
  • the circumferential direction of the circle is called the circumferential direction or the circumferential direction.
  • the impeller 2 includes an inner deflection member 9 formed integrally with the impeller 2.
  • the inner deflection member 9 is sometimes called a cone portion.
  • the inner deflection member 9 is a rotating body in a geometric sense, and has a side peripheral portion 10 and a disc-shaped central portion 11. In the central portion 11, the rotating shaft 12 of the motor 13 is connected to the impeller 2.
  • the side peripheral portion 10 is curved such that the contour line in the meridional section of the outer peripheral surface of the side peripheral portion 10 becomes steep as it approaches the central portion 11.
  • the side circumferential portion 10 has a contour line in the meridional section of the outer circumferential surface of the side circumferential portion 10 that does not curve from the central portion 11 toward the blade row 3A (the cross section is linear). There is also.
  • the impeller 2 is accommodated in a substantially cylindrical internal space of the scroll housing 17.
  • the scroll housing 17 has a suction port 22 that opens upward in the axial direction, and a discharge port 170.
  • the discharge port 170 extends substantially in the tangential direction of the outer peripheral surface of the scroll housing 17. The discharge port 170 is not visible in FIG.
  • the scroll housing 17 has a partition wall 20 extending radially inward from the outer peripheral wall 17A of the scroll housing 17.
  • the partition wall 20 divides the region between the inner peripheral surface of the scroll housing 17 and the outer peripheral surface of the impeller 2 in the internal space of the scroll housing 17 in the axial direction (up and down), and An upper first air flow path 18 and a lower second air flow path 19 extending in the circumferential direction along the outer peripheral wall 17A are formed.
  • the separation cylinder 14 is inserted into the scroll housing 17 via the suction port 22.
  • the cross section of the upper portion 24 of the separation cylinder 14 is generally rectangular.
  • the cross section of the central portion 15 of the separation cylinder 14 is circular (or generally circular).
  • the cross-sectional shape of the separation cylinder 14 smoothly changes from a rectangular shape to a circular shape (or a generally circular shape) as it approaches the central portion 15 from the upper portion 24.
  • the lower part (guide part) 16 of the separation cylinder 14 has a flare shape whose diameter increases as it approaches the lower end, and the lower end is circular.
  • the separation cylinder 14 passes through the space on the radially inner side of the suction port 22 and extends in the axial direction to the space 4 on the radially inner side of the blade row 3A of the impeller 2.
  • the upper end opening of the separation cylinder 14 is located outside the scroll housing 17 (above the suction port 22 in the axial direction).
  • the lower end of the separation cylinder 14 is located in the space 4 on the radially inner side of the blade row 3 ⁇ / b> A of the impeller 2.
  • the entire separation cylinder 14 may be integrally formed by resin injection molding. Instead of this, the upper part 24 of the separation cylinder 14 and the central part 15 and the lower part (guide part) 16 of the separation cylinder 14 may be separately molded and then connected together.
  • the separation cylinder 14 is configured to change the flow of air sucked into the scroll housing 17 into a first air flow passing through the first passage 14A outside the separation cylinder 14 and a second passage passing through the second passage 14B inside the separation cylinder 14. Divide into air flow.
  • the first air flow passes through the ring-shaped region outside the outer peripheral surface 141 of the separation cylinder 14 in the suction port 22 of the scroll housing 17, and the upper half 5 (portion close to the suction port 22 of the impeller 2). ).
  • the second air flow enters the inside of the separation cylinder 14 from the upper end of the separation cylinder 14 and flows into the lower half 6 (part far from the suction port 22) of the blade row of the impeller 2.
  • the ring-shaped region outside the outer peripheral surface 141 of the separation cylinder 14 in the suction port 22 of the scroll housing 17 is the first suction port of the scroll housing 17, and the upper end opening of the separation tube 14 is the second suction port of the scroll housing 17.
  • the air intake part of the air conditioner has a housing 21.
  • the housing 21 is referred to as an “air intake housing” in order to distinguish it from the scroll housing 17.
  • the scroll housing 17 and the air intake housing 21 may be integrally formed, or may be connected by a method such as screwing, bonding, or fitting after being separately manufactured.
  • the scroll housing 17 and the air intake housing 21 form part of the air conditioner casing.
  • the separation cylinder 14 is a separate component from the scroll housing 17 and the air intake housing 21 and is supported at a predetermined position by the air intake housing 21.
  • the air intake housing 21 has a first opening 25, a second opening 26, a third opening 27 and a fourth opening 28.
  • the inside air vehicle interior air
  • the second opening 26 and the fourth opening 28 are first and second outside air inlets for taking inside air into the air intake housing 21.
  • the air intake housing 21 and the separation cylinder 14 are formed so that almost all of the air introduced into the air intake housing 21 passes through the second passage 14B.
  • the filter 35 for removing contaminants, such as these, is provided.
  • the filter 35 preferably consists of a single filter element.
  • FIG. 3 (also FIGS. 4 to 7) includes a section of the centrifugal blower 1 that includes the suction port 22 and is orthogonal to the rotation axis Ax of the impeller 2 (hereinafter also referred to as “suction port section” for the sake of simplicity). Show.
  • suction port section an imaginary line segment connecting the rotation axis Ax of the impeller 2 and the tip 17Tp of the tongue 17T of the scroll housing 17 is defined as a reference line segment L0.
  • a line segment obtained by rotating the reference line segment L0 by 90 degrees about the rotation axis Ax of the impeller 2 in the rotation direction G of the impeller 2 is defined as the first line segment L1, and the reference line segment L0 is defined as the rotation of the impeller 2.
  • a line segment rotated 270 degrees in the rotation direction G of the impeller 2 around the axis Ax is defined as a second line segment L2.
  • the area B2 of the opening 22M between the contour line 15P of the outer peripheral surface 141 of the separation cylinder 14 and the contour line 22P of the suction port 22 in the region D2 between the reference line segment L0 and the second line segment L2 is.
  • the area B1 is larger than the area B1 of the opening 22M in the region D1 between the reference line segment L0 and the first line segment L1.
  • the outline 15P of the outer peripheral surface 141 of the separation cylinder 14 forms a circle as a whole in the suction port cross section.
  • the contour line of the outer peripheral surface 141 of the separation cylinder 14 is represented by a circle 15 Pi, and the contour of the suction port 22. Concentric with the line 22P. Therefore, in this case, the areas B1 and B2 of the opening 22M in the regions D1 and D2 are equal.
  • the curvature radius R of the contour of the outer peripheral surface 141 of the separation cylinder 14 in the flare-shaped guide portion 16 is the outer peripheral surface 141 of the separation cylinder 14 in the suction port cross section. Is set according to the distance W between the contour line 15P and the contour line 22P of the suction port 22. Specifically, the radius of curvature R in the region D2 having a relatively large distance W is relatively large, and the radius of curvature R in the region D1 having a relatively small distance is relatively small.
  • the second opening 26 and the fourth opening 28 are opened, and the first opening 25 and the third opening 27 are closed. This state is not shown.
  • the outside air introduced from the second opening 26 forms a first air flow that passes through the first passage 14A outside the separation cylinder 14 and flows into the upper half 5 of the blade row 3A of the impeller 2.
  • the outside air introduced from the fourth opening 28 forms a second air flow that passes through the second passage 14 ⁇ / b> B inside the separation cylinder 14 and flows into the lower half 6 of the blade row of the impeller 2.
  • the first operation mode may be referred to as an outside air mode.
  • the second opening 26 and the third opening 27 are opened, and the first opening 25 and the fourth opening 28 are closed.
  • This state is shown in FIGS.
  • the outside air FE introduced from the second opening 26 forms a first air flow that passes through the first passage 14A outside the separation cylinder 14 and flows into the upper half 5 of the blade row 3A of the impeller 2.
  • the inside air FR introduced from the third opening 27 forms a second air flow that passes through the second passage 14B inside the separation cylinder 14 and flows into the lower half 6 of the blade row 3A of the impeller 2.
  • the second operation mode may be referred to as an inside / outside air two-layer flow mode.
  • the first opening 25 and the third opening 27 are opened, and the second opening 26 and the fourth opening 28 are closed. This state is not shown.
  • the inside air introduced from the first opening 25 forms a first air flow that passes through the first passage 14A outside the separation cylinder 14 and flows into the upper half 5 of the blade row 3A of the impeller 2.
  • the inside air introduced from the third opening 27 forms a second air flow that passes through the second passage 14 ⁇ / b> B inside the separation cylinder 14 and flows into the lower half 6 of the blade row 3 ⁇ / b> A of the impeller 2.
  • the third operation mode may be referred to as an inside air mode.
  • the second operation mode is a heating operation in which the vehicle interior is heated quickly while preventing the front window from fogging from the cold state, particularly in winter or when the temperature is relatively low. Used when performing.
  • this heating operation is performed by automatic control, for a while after the start of heating, outside air FE is blown from the defroster outlet (not shown) of the passenger compartment to the front window (not shown), and the inside air FR is changed to the passenger compartment. The air is blown out from the foot air outlet (not shown) toward the feet of the passengers.
  • the second operation mode (internal / external air two-layer flow mode)
  • the external air FE flowing into the upper half 5 of the blade row 3A of the impeller 2 passes through the first air flow path 18 to the defroster outlet.
  • the internal air FR that is supplied and flows into the lower half 6 of the blade row 3 ⁇ / b> A of the impeller 2 is supplied to the foot outlet through the second air flow path 19.
  • an event that is a safety problem such as fogging of the front window may occur.
  • the low-temperature outside air FE is mixed into the inside air FR supplied to the foot outlet, it may be a factor that makes passengers feel uncomfortable. Therefore, when the second operation mode is executed, it is desirable that all of the outside air FE flows into the first air flow path 18 and all of the inside air FR flows into the second air flow path 19.
  • the scroll housing 17 is formed so that the width of the first air flow path 18 and the second air flow path 19 increases from the tongue portion 17T to the discharge portion 170.
  • the flow velocity of air sucked by the impeller 2 (flow velocity of the first air flow) tends to increase from the tongue portion 17 ⁇ / b> T to the discharge portion 170.
  • the pressure of the air discharged in the radial direction by the impeller 2 is increased by the inner peripheral surface of the scroll housing 17.
  • the pressure is likely to increase as the distance from the tongue portion 17T becomes closer.
  • the air discharged in the radial direction from the impeller 2 has a slower flow rate as it is closer to the tongue portion 17T (a flow rate is higher as it is closer to the discharge portion 170).
  • the suction of the first air flow performed through the gap between the separation cylinder 14 and the suction port 22 may be nonuniform from the tongue portion 17T to the discharge portion 170.
  • the air flow rate is increased and the ventilation resistance is increased.
  • the air flow to be sucked cannot be sucked. Therefore, as described above, by increasing the area B2 of the opening 22M between the separation cylinder 14 and the suction port 22 in the region D2 where the air flow rate is high, the first air into the scroll housing 17 in the region D2 The amount of flow suction can be easily increased. As a result, the total amount of the first air flow taken into the scroll housing 17 can be increased.
  • the flow rate of the first air flow taken into the region D2 can be increased, and the scrolling is performed.
  • the total amount of the first air flow taken into the housing 17 can be increased. Even if the area B1 of the opening 22M in the region D1 where the air flow rate is low is reduced, the flow rate of the first air flow taken into the region D1 is small in the first place, and the decrease in the flow rate of the first air flow is limited. is there. As a result, the air volume of the air conditioner can be increased, and the burden on the motor 13 can be reduced.
  • the ventilation resistance exerted on the first air flow by the opening 22M can be made uniform. Moreover, the increase in noise can be suppressed by equalizing the flow velocity.
  • the internal pressure (static pressure) of the first air channel 18 in the region D2 can be increased by increasing the flow rate of the outside air taken into the first air channel 18 in the region D2.
  • the internal air flowing into the second air flow path 19 through the inside of the separation cylinder 14 is caused by the pressure difference in the region D2. Inflow into the one air flow path 18 can be prevented or suppressed to a minimum.
  • the flow path of the inside air flowing into the second air flow path 19 through the inside of the separation cylinder 14 has a simple shape, the flow velocity of air flowing through the area is set to each area in the scroll housing. It is easy to distribute the air flow accordingly. For this reason, in many cases, it becomes a problem not to make the pressure and flow rate of the outside air flowing in the first air flow path 18 smaller than the pressure and flow rate of the internal air flowing in the second air flow path 19.
  • the curvature radius R of the outline 15P of the outer peripheral surface 141 of the guide part 16 is the outer periphery of the separation cylinder 14 measured in the radial direction of the impeller 2. It is set according to the distance W between the contour line 15P of the surface 141 and the contour line 22P of the suction port 22. Specifically, for example, the radius of curvature R is set so as to increase as the distance W increases. In the portion where the distance W is increased, the guide portion 16 is close to the inner deflection member 9 (cone portion) of the impeller 2 and sufficiently secures a passage of the second air flow passing through the second passage 14B inside the separation cylinder 14.
  • the shape and / or arrangement of the separation cylinder 14 for establishing the relationship “area B2 of the opening 22M in the region D2> area B1 of the opening 22M in the region D1” is not limited to that shown in FIG. .
  • the shape of the region surrounded by the outline 15 ⁇ / b> P of the outer peripheral surface 141 of the separation cylinder 14 in the cross section of the suction port is the region surrounded by a circle Cax centered on the rotation axis Ax of the impeller 2.
  • the outline 15P of the outer peripheral surface 141 of the separation cylinder 14 in the cross-section of the suction port is the contour line 15P of the reference line segment L0, the second line segment L2, and the outer peripheral surface 141 of the separation cylinder 14.
  • the shape formed is a sector S2 as a whole, and the shape formed by the reference line segment L0, the first line segment L1, and the contour line 15P of the outer peripheral surface 141 of the separation cylinder 14 is a sector S1 as a whole.
  • the area of the sector S2 is smaller than the area of the sector S1
  • the relationship “area B2 of the opening 22M in the region D2> area B1 of the opening 22M in the region D1” is satisfied. It may be realized.
  • the outline 15P of the outer peripheral surface 141 of the separation cylinder 14 in the cross section of the suction port 14 is a plurality of arcs 15P11, 15P12, 15P21 having different radii r11, r12, r21, r22, r31, r32. , 15P22, 15P31, and 15P32.
  • the radius r22 of the arc 15P22 having the minimum radius in the region D2 between the reference line segment L0 and the second line segment L2 is the maximum radius in the region D1 between the reference line segment L0 and the first line segment L1. Is smaller than the radius r11 of the arc 15P11 having the above-mentioned relationship, the relationship of “area B2 of the opening 22M in the region D2> area B1 of the opening 22M in the region D1” may be realized.
  • the “arc having the minimum radius” and the “arc having the maximum radius” in each region include a plurality of arcs 15P11, 15P12, 15P21, 15P22, 15P31, and 15P32 in the region as shown in FIG.
  • each of the plurality of arcs has a minimum radius r12, r22, r32 and a maximum radius r11, r21, r31.
  • the “arc having the minimum radius” and the “arc having the maximum radius” in the area are Are arcs 15P1, 15P2, 15P3 having radii r1, r2, r3 in the region. That is, the arc having the maximum radius in the region D1 having the arc 15P1 is the arc 15P1 having the radius r1. In addition, the arc having the minimum radius in the region D2 having the arc 15P2 is the arc 15P2 having the radius r2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention a pour but de permettre l'aspiration de davantage d'air depuis l'extérieur dans un boîtier (S) de volute par le biais d'un espace ménagé entre le bord d'un orifice d'aspiration et la surface périphérique externe d'un cylindre de séparation dans une soufflante centrifuge de type à aspiration unique de véhicule dans laquelle l'orifice d'aspiration du boîtier S est séparé par le cylindre de séparation. Pour atteindre ce but, l'invention porte sur une soufflante centrifuge (1) qui présente : un boîtier S (17) qui possède un orifice d'aspiration (22) et qui loge un rotor (2) ; un boîtier d'admission d'air (21) qui possède une entrée d'air extérieur (26) et une entrée d'air intérieur (27). Un cylindre de séparation (14) divise l'air qui a été aspiré à l'intérieur du boîtier S en un premier et un second courant d'air ayant respectivement traversé l'extérieur et l'intérieur du cylindre de séparation, et guide les courants d'air à travers un premier passage d'air (18) et un second passage d'air (19). La taille de la zone (B2) d'une ouverture (22M) dans une région (D2) proche d'une sortie (170) du boîtier (S) est supérieure à la taille de la zone (B1) d'une ouverture (22M) dans une région (D1) à proximité d'une languette (17T).
PCT/JP2017/031345 2016-09-02 2017-08-31 Soufflante centrifuge pour climatiseur de véhicule WO2018043640A1 (fr)

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JP2016-171857 2016-09-02
JP2016171857A JP2018035792A (ja) 2016-09-02 2016-09-02 車両用空調装置のための遠心送風機

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019188754A1 (fr) * 2018-03-26 2019-10-03 株式会社ヴァレオジャパン Dispositif de climatisation de véhicule de type à écoulement à deux couches comportant un orifice d'introduction d'air intérieur auxiliaire
CN111159792A (zh) * 2020-01-07 2020-05-15 宁波方太厨具有限公司 一种离心风机的蜗壳型线生成方法
CN113167293A (zh) * 2018-11-19 2021-07-23 株式会社电装 送风机
CN113286715A (zh) * 2019-01-07 2021-08-20 株式会社电装 离心式送风机

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Publication number Priority date Publication date Assignee Title
JP6747402B2 (ja) * 2017-08-11 2020-08-26 株式会社デンソー 送風機
JP7159804B2 (ja) * 2018-11-19 2022-10-25 株式会社デンソー 遠心式送風機
JP7147499B2 (ja) * 2018-11-19 2022-10-05 株式会社デンソー 遠心式送風機
JP7003902B2 (ja) 2018-12-14 2022-02-04 株式会社デンソー 遠心ファン、遠心送風機
JP7024743B2 (ja) * 2019-02-07 2022-02-24 株式会社デンソー 遠心送風機
JP2021025510A (ja) * 2019-08-08 2021-02-22 株式会社Ｓｏｋｅｎ 遠心式送風機

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Publication number Priority date Publication date Assignee Title
US5525036A (en) * 1991-11-29 1996-06-11 Goldstar Co., Ltd. Suction structure of a sirocco fan housing
JP2000203235A (ja) * 1998-12-30 2000-07-25 Valeo Climatisation 暖房、通気および／または空調装置
WO2016133014A1 (fr) * 2015-02-19 2016-08-25 株式会社日本自動車部品総合研究所 Soufflante centrifuge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525036A (en) * 1991-11-29 1996-06-11 Goldstar Co., Ltd. Suction structure of a sirocco fan housing
JP2000203235A (ja) * 1998-12-30 2000-07-25 Valeo Climatisation 暖房、通気および／または空調装置
WO2016133014A1 (fr) * 2015-02-19 2016-08-25 株式会社日本自動車部品総合研究所 Soufflante centrifuge

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019188754A1 (fr) * 2018-03-26 2019-10-03 株式会社ヴァレオジャパン Dispositif de climatisation de véhicule de type à écoulement à deux couches comportant un orifice d'introduction d'air intérieur auxiliaire
CN113167293A (zh) * 2018-11-19 2021-07-23 株式会社电装 送风机
CN113286715A (zh) * 2019-01-07 2021-08-20 株式会社电装 离心式送风机
US11713770B2 (en) 2019-01-07 2023-08-01 Denso Corporation Centrifugal blower
CN113286715B (zh) * 2019-01-07 2024-01-23 株式会社电装 离心式送风机
CN111159792A (zh) * 2020-01-07 2020-05-15 宁波方太厨具有限公司 一种离心风机的蜗壳型线生成方法
CN111159792B (zh) * 2020-01-07 2023-08-18 宁波方太厨具有限公司 一种离心风机的蜗壳型线生成方法

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