JPH0264299A - Electric type blower - Google Patents

Electric type blower

Info

Publication number
JPH0264299A
JPH0264299A JP1171340A JP17134089A JPH0264299A JP H0264299 A JPH0264299 A JP H0264299A JP 1171340 A JP1171340 A JP 1171340A JP 17134089 A JP17134089 A JP 17134089A JP H0264299 A JPH0264299 A JP H0264299A
Authority
JP
Japan
Prior art keywords
blower
component
casing
web
outer edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1171340A
Other languages
Japanese (ja)
Other versions
JP2732899B2 (en
Inventor
Joachim Ruehlemann
ヨアヒム・リユーレマン
Peter Sellnau
ペーター・ゼルナウ
Christof Bernauer
クリストフ・ベルナウアー
Joachim Hauf
ヨアヒム・ハウフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH0264299A publication Critical patent/JPH0264299A/en
Application granted granted Critical
Publication of JP2732899B2 publication Critical patent/JP2732899B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
    • F16F15/167—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material having an inertia member, e.g. ring
    • F16F15/173—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material having an inertia member, e.g. ring provided within a closed housing
    • 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
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00792—Arrangement of detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0666—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump a sensor is integrated into the pump/motor design
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H2001/006—Noise reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

PURPOSE: To avoid early aging and eliminate generation of buzz by connecting an external edge portion with an internal portion of a constituent via a plurality of elastic webs spaced apart from each other. CONSTITUTION: A noise damper is formed by a disc-shaped constituent 40 arranged perpendicularly to a rotary shaft 16 of a blowing machine. An external edge portion 42 of the disc-shaped constituent 40 is retained by casing 20, 22, 24. An internal portion 44 is connected to blowers 14, 18. The external edge portion 42 and the internal portion 44 of the constituent 40 are connected with each other via a plurality of elastic webs 46 spaced apart from each other. In this way, it is possible to avoid early aging and eliminate generation of buzz.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、電動式の送風器であって、吸込み開口及び少
なくとも一つの吹出し開口を有する、送風器を間隔を保
って取り囲むケーシングと、空気流内に配置されてこの
空気流の温度ｔ−検出するセンサとを備えており、該セ
ンサが、自動車の乗員室のためのエアコン装置に所属す
る電子制御装置と作用接続していて、ケーシングと送風
器との間に配置された雑音減衰装置を備えている形式の
ものに関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an electric blower, which comprises a casing surrounding the blower at a distance, having an inlet opening and at least one outlet opening; and a sensor for detecting the temperature t of this air flow, which sensor is operatively connected to an electronic control unit belonging to an air conditioning system for the passenger compartment of the motor vehicle, and which is connected to the casing and the blower. and a noise attenuation device located between the

従来の技術 このような形式の送風器は、エアコン装置の温度センサ
に、このエアコン装置の運転中宮に乗員室内に存在する
空気を吹き付け、これによっていわゆる温度調節のデッ
ドタイムをできるだけ短く維持するためのものである。BACKGROUND OF THE INVENTION This type of blower blows the air present in the passenger compartment onto the temperature sensor of the air conditioner during operation of the air conditioner, thereby keeping the so-called temperature adjustment dead time as short as possible. It is something.

センサによって検出された室内−実際−温度は、エアコ
ン装置に所属する電子制御装置に伝達され、この電子制
御装置がそれに応じてセンサ信号を評価する。The actual room temperature detected by the sensor is transmitted to an electronic control unit belonging to the air conditioning system, which electronic control unit evaluates the sensor signals accordingly.

発明の課題 このような形式の従来の送風器においては、雑音減衰装
置は、モータとファン車とから成る送風器をケーシング
に対して雑音減衰するゴムクツションによって形成され
ている。送風器は自動車の乗員室内で太陽光線によって
温度がかなり高くなる場所に配置されているので、ゴム
クツションは非常に早期に老化し、次第にもろくなり、
従って送風器から発せられる回転振動は共振体として作
用するケーシングに伝達される。この時に生じるうなり
雑音は自動車の乗員室内において不都合である。SUMMARY OF THE INVENTION In conventional blowers of this type, the noise damping device is formed by a rubber cushion that dampens the noise of the blower, which is comprised of a motor and a fan wheel, relative to the casing. Since the blower is located in the passenger compartment of a car in a place where the temperature is considerably high due to sunlight, the rubber cushions age very quickly and become increasingly brittle.
The rotational vibrations emanating from the blower are therefore transmitted to the casing, which acts as a resonator. The humming noise generated at this time is inconvenient in the passenger compartment of the automobile.

そこで本発明の課題は冒頭に述べた形式の送風器で、こ
のような雑音を避けることのできるようなものを提供す
ることである。The object of the invention is therefore to provide a blower of the type mentioned at the outset, which makes it possible to avoid such noises.

課題を解決するための手段 この課題を解決した本発明によれば、雑音減衰装置が、
送風器回転軸線に対して直交して配置された円板状の構
成部材によって形成されており、該円板状の構成部材の
外側の縁部範囲がケーシングで呆持されていて、内側の
範囲が送風器に接続されており、構成部材の前記外側の
縁部範囲と前記内側の範囲とが、互いに間隔を保って配
置された多数の弾性的なウェブを介して接続されている
。Means for Solving the Problem According to the present invention, which solves this problem, a noise attenuation device includes:
It is formed by a disc-shaped component arranged perpendicular to the axis of rotation of the blower, the outer edge area of the disc-shaped component being held in place by a casing, and the inner area is connected to a blower, and the outer edge region and the inner region of the component are connected via a number of elastic webs arranged at a distance from one another.

効果 本発明の送風器によれば、雑音減衰装置は、老化防止作
用を有する材料、例えば板ばね、鋼又は合成樹脂を使用
して製造することができるので、前記ゴムクツションに
おけるような早期の老化を避けることができ、ひいては
うなり雑音の発生を避けることができる。また構成部材
のウェブの形状及び横断面を相応に選択することによっ
て、そのつどの条件に適した非常に効果的な雑音減衰装
置が得られる。Effects According to the blower of the invention, the noise damping device can be manufactured using materials with anti-aging properties, such as leaf springs, steel or synthetic resins, so that premature aging as in the rubber cushions is avoided. This can be avoided, and in turn, the generation of beat noise can be avoided. By selecting the shape and cross-section of the webs of the components accordingly, a highly effective noise damping device can be obtained which is suitable for the particular conditions.

実施例 自動車の乗員室用の図示していないエアコン装置には、
いわゆるセンサ式送風器ｌＯが対応配置されており、こ
のセンサ式送風器１０の温度センサ１２は図示していな
い手段によって電子制御装置に接続されている。センサ
式送風器１０は乗員室内の空気温度を電子制御装置に迅
速に伝達するために使用される。このセンサ式送風器１
０には、コンピュータ制御される駆動モータ１４が対応
配置されている。−この駆動モータ１４のモータ軸１６
にはファン車１８が固定されている。送風器（電動モー
タ１４、ファン車１８）は、多数の部分から成るケーシ
ング２０．２２．２４によって間隔を保って取り囲まれ
ていて、吸込みスリーブ２６と少なくとも一つの吹出し
開口２８とを備えている。送風器が作動すると、空気が
自動車の乗員室から矢印３０の方向で吸込まれ、吹出し
開口２８を通って再び乗員室内に吹出される。従って温
度センサ１２は、送風器によって生ぜしめられる空気流
内に存在する。温度センサは中間部材３２を介して吸込
みスリーブ２６に接続されている。Example An air conditioner (not shown) for the passenger compartment of an automobile includes:
A so-called sensor fan 10 is correspondingly arranged, the temperature sensor 12 of which sensor fan 10 being connected to an electronic control unit by means not shown. The sensor blower 10 is used to quickly transmit the air temperature in the passenger compartment to an electronic control unit. This sensor type air blower 1
0, a computer-controlled drive motor 14 is correspondingly arranged. - motor shaft 16 of this drive motor 14;
A fan wheel 18 is fixed to. The blower (electric motor 14, fan wheel 18) is surrounded at a distance by a multi-part casing 20, 22, 24 and is provided with a suction sleeve 26 and at least one outlet opening 28. When the blower is activated, air is drawn in from the passenger compartment of the motor vehicle in the direction of the arrow 30 and is blown back into the passenger compartment through the outlet opening 28. The temperature sensor 12 is therefore present in the air flow produced by the blower. The temperature sensor is connected to the suction sleeve 26 via an intermediate member 32.

中間部材３２は詳しく図示していない制御導管を収容し
ており、この制御導管はケーシング２２．２４及び吸込
みスリーブ２６に一体的に接続されたサブケーシング３
４に通じている。このサブケーシング３４は差込み接続
部を介して温度センサ１２は電子制御装置に接続されて
いる。電動モータ１４は、ファン車１８とは反対側の端
部でモータ軸１６と同心的な付加部３６を有しており、
この付加部３６は弾性的な構成部材４０の中央の孔３８
内で保持されている。The intermediate part 32 accommodates a control conduit, not shown in detail, which connects the subcasing 3 integrally to the casing 22, 24 and the suction sleeve 26.
4. This subcasing 34 is connected to the temperature sensor 12 via a plug connection to an electronic control unit. The electric motor 14 has an additional portion 36 concentric with the motor shaft 16 at the end opposite to the fan wheel 18.
This extension 36 is connected to a central hole 38 of the elastic component 40.
is held within.

弾性的な構成部材４０は雑音減衰装置を形成しており、
この雑音減衰装置を介して電動モータ１４がファン車１
８と共にケーシング２０，２２．２４で保持されている
。また構成部材４０の外側の縁部範囲は、互いに係止さ
れたケーシング２２．２４によって緊締されている。構
成部分４０の中央の内側範囲４４は、電動モータ１４の
付加部３６を収容する孔３８を備えている。構成部材４
０の内側の中央範囲４４は、３つのウェブ４６を介して
構成部材４０の外側の縁部範囲４２に接続されている。The elastic component 40 forms a noise damping device;
The electric motor 14 is connected to the fan wheel 1 via this noise damping device.
8 together with the casing 20, 22, 24. The outer edge areas of the component 40 are also clamped by the mutually locked housings 22,24. The central inner region 44 of the component 40 is provided with a bore 38 for receiving the extension 36 of the electric motor 14 . Component 4
The inner central region 44 of 0 is connected to the outer edge region 42 of the component 40 via three webs 46 .

ウェブ４６は弓形に延びていて、次のように配置されて
いる。つまり、外側の縁部範囲４２からウェブ４６への
移行箇所４８を通る第１の半径５０が、内側の範囲４４
からウェブ４６への移行箇所５２を通る第２の半径５４
に対して間隔を保っているか、若しくはこれら２つの半
径が互いに角度αを成すように配置されている。さらに
また、構成部材４０の外側の縁部範囲４２からウェブ４
６への移行箇所４８は送風器１４．１８の回転方向（矢
印５６）で見てウェブ４６から構成部材４０の内側の範
囲４４への移行箇所５２の前方に配置されている。ウェ
ブ４６の横断面は、構成部材４０のために選定された材
料の弾性を考慮し、また送風器１４．４８の重量を考慮
して規定されている。The webs 46 are arcuate and are arranged as follows. That is, the first radius 50 passing through the transition point 48 from the outer edge region 42 to the web 46
A second radius 54 passing through the transition point 52 from to the web 46
, or so arranged that the two radii form an angle α with respect to each other. Furthermore, from the outer edge area 42 of the component 40 the web 4
The transition point 48 to 6 is arranged in front of the transition point 52 from the web 46 to the inner region 44 of the component 40, seen in the direction of rotation of the blower 14.18 (arrow 56). The cross-section of the web 46 is determined taking into account the elasticity of the material chosen for the component 40 and taking into account the weight of the blower 14.48.

第３図に示された別の構成部材１４０においてはウェブ
１４６はＳ字状に湾曲されている。In another component 140 shown in FIG. 3, the web 146 is curved in an S-shape.

このウェブ１４６は同様に外側の縁部範囲１４２から中
央の内側の範囲１４４まで延びている。内側の範囲は同
様に、電動モータ１４の付加部３６を収容するための中
央の孔１３８を有している。構成部材１４４の縁部範囲
１４２はケーシング２２，２４の間に締め込まれている
。This web 146 likewise extends from the outer edge region 142 to the central inner region 144 . The inner region likewise has a central bore 138 for accommodating the extension 36 of the electric motor 14 . The edge region 142 of the component 144 is clamped between the housings 22, 24.

このウェブ１４６も構成部分４０のウェブ４６の前記原
理と同様の原理で形成されている。この実施例において
も外側の縁部範囲１４２からウェブ１４６への移行箇所
１４８を通る第１の半径１５０は、内側の範囲！４４か
らウェブ１４６への移行箇所１５２を通る第２の半径１
５４に対して次のように配置されている。つまり２つの
半径１５０．１５４が間隔を保って、これらの半径１５
０．１５４が同様に互いに角度ａを成すように配置され
ている。構成部分４０若しくは１４０は有利には弾性的
な材料、例えばばね鋼より成っている。流れの角度を切
り替える際にモータの反動モーメントを補償して不都合
な振動雑音の伝達を阻止するためには、所定の合成樹脂
が最も適していることが分がっだ。これによって。回転
する部分がケーシングに接触するのを検出するために、
送風器１４゜１８は送風器回転軸線（モータ軸１６）方
向で互いに逆向きのショルダ６０．６２を有している。This web 146 is also formed according to the same principle as that of the web 46 of the component 40. In this example as well, the first radius 150 passing through the transition point 148 from the outer edge region 142 to the web 146 is the inner region! 44 to the web 146 through the transition point 152
54 are arranged as follows. In other words, the two radii 150.154 are spaced apart, and these radii 15
0.154 are similarly arranged at an angle a to each other. Component 40 or 140 is preferably made of an elastic material, for example spring steel. It has been found that certain synthetic resins are most suitable for compensating the recoil moment of the motor when switching the flow angle and preventing the transmission of undesirable vibration noises. by this. To detect when a rotating part contacts the casing,
The blower 14.18 has shoulders 60, 62 which are opposite to each other in the direction of the blower rotation axis (motor shaft 16).

これらのショルダ６０．６２には、ケーシング２０．２
２．２４の対抗ショルダ６８．７０が対応配置されてい
る。これは、自動車がでこぼこの道路を走行して送風器
１４．１８が跳ねて構成部材４０に引っ掛かり始める時
に特に有利である どちらの場合においても、容易に組み立て可能で安価な
゛雑音減衰装置が得られる。それというのは、この雑音
減衰装置は、円板状の構成部材４０若しくは１４０によ
って形成されるからである。この円板状の構成部材はそ
れぞれその外側の縁部範囲４２若しくは１４２がケーシ
ングで保持され、その内側の範囲４４若しくは１４４が
それぞれ送風器１４．１８に接続されており、この外側
の縁部範囲と内側の範囲とは、周方向に互いに間隔を保
って配置された多数の弾性的なウェブ４６若しくは１４
６を介して接続されている。These shoulders 60.62 have a casing 20.2
2.24 counter-shoulders 68.70 are correspondingly arranged. This is particularly advantageous when the vehicle is driven over a bumpy road and the blower 14, 18 begins to bounce and become lodged in the component 40. In both cases, an easily assembled and inexpensive "noise damping device" is obtained. It will be done. This is because the noise damping device is formed by a disc-shaped component 40 or 140. This disc-shaped component is held in its outer edge area 42 or 142 in a casing, and its inner area 44 or 144 is connected to a blower 14.18, and its outer edge area and the inner region are defined by a number of elastic webs 46 or 14 spaced apart from each other in the circumferential direction.
6.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実施例による電動式の送風器の部分
的な縦断面図、第２図は第１図の矢印■方向で見た、雑
音減衰を行うだめの円板状の構成部材の平面図、第３図
は別の実施例による円板状の構成部材の平面図である。 ＩＯ・・・セン、す式送風器、１２・・・温度センサ、
１４・・・電動モータ、１６・・・モータ軸、１８・・
・ファン車、２０．２２．２４・・・ケーシング、２６
・・・吸込みスリーブ、２８・・・吹出し開口、３０・
・・矢印、３２・・・中間部材、３４・・・サブケーシ
ング３６・・・付加部、３８・・・孔、４０・・・構成
部材、４２・・・外側の縁部範囲、４４・・・内側の範
囲、４６・・・ウェブ、５０．５４・・・半径、５２・
・・移行箇所、５６・・・矢印、６０．６２シヨルダ、
６８゜７０・・・対抗ショルダ、１４０・・・構成部材
、１４２・・・外側の縁部範囲、１４４・・・内側の範
囲、１４６・・・ウェブ、１４８．１５２・・・移行箇
所、１５０．１５４・・・半径FIG. 1 is a partial vertical sectional view of an electric blower according to an embodiment of the present invention, and FIG. 2 is a disc-shaped structure for noise attenuation, as seen in the direction of the arrow ■ in FIG. FIG. 3 is a plan view of a disk-shaped component according to another embodiment. IO...sen, air blower, 12...temperature sensor,
14... Electric motor, 16... Motor shaft, 18...
・Fan car, 20.22.24...Casing, 26
...Suction sleeve, 28...Blowout opening, 30.
...Arrow, 32...Intermediate member, 34...Subcasing 36...Additional part, 38...Hole, 40...Component member, 42...Outer edge range, 44...・Inner range, 46...web, 50.54...radius, 52・
...Transition point, 56...Arrow, 60.62 shoulder,
68° 70... Opposing shoulder, 140... Component, 142... Outer edge area, 144... Inner area, 146... Web, 148.152... Transition point, 150 .154...radius

Claims (1)

【特許請求の範囲】 １、電動式の送風器であって、吸込み開口及び少なくと
も一つの吹出し開口（２８）を有する、送風器を間隔を
保つて取り囲むケーシング（２０、２２、２４）と、空
気流内に配置されてこの空気流の温度を検出する温度セ
ンサ（１２）とを備えており、該温度センサ（１２）が
、自動車の乗員室のためのエアコン装置に所属する電子
制御装置と作用接続していて、ケーシング（２０、２２
、２４）と送風器との間に配置された雑音減衰装置を備
えている形式のものにおいて、該雑音減衰装置が、送風
器回転軸（１６）に対して直交して配置された円板状の
構成部材（４０若しくは１４０）によって形成されてお
り、該円板状の構成部材（４０若しくは１４０）の外側
の縁部範囲（４２若しくは１４２）がケーシング（２０
、２２、２４）で保持されていて、内側の範囲（４４若
しくは１４４）が送風器（１４、１８）に接続されてお
り、構成部材（４０若しくは１４０）の前記外側の縁部
範囲（４２若しくは１４２）と前記内側の範囲（４４若
しくは１４４）とが、互いに間隔を保って配置された多
数の弾性的なウェブ（４６若しくは１４６）を介して接
続されていることを特徴とする、電動式の送風器。 ２、ケーシング（２０、２２、２４）が複数の部分より
成っており、構成部材（４０若しくは１４０）の外側の
縁部範囲（４２若しくは１４２）が互いに接続可能なケ
ーシング部分（２２、２４）によって固定されている、
請求項１記載の送風器。 ３、構成部材（４０若しくは１４０）の中央の範囲（４
４若しくは１４４）が孔（３８若しくは１３８）を備え
ていて、該孔内で送風器（１４、１８）のピン状の付加
部（３６）が保持されている、請求項１又は２記載の送
風器。 ４、構成部材（４０若しくは１４０）の外側の縁部範囲
（４２若しくは１４２）からウェブ（４６若しくは１４
６）への移行箇所（４８若しくは１４８）を通る、構成
部材の第１の半径（５０若しくは１５０）が、内側の範
囲（４４若しくは１４４）からウェブ（５４若しくは１
５４）への移行箇所（５２若しくは１５２）を通る第２
の半径（５４若しくは１５４）に対して間隔を保つてい
る、請求項１から３までのいずれか１項記載の送風器。 ５、構成部材（４０若しくは１４０）の外側の縁部範囲
（４２若しくは１４２）からウェブ（４６若しくは１４
６）への移行箇所が、送風器（１４、１８）の回転方向
（５６）で見て、構成部材（４０若しくは１４０）のウ
ェブ（４６若しくは１４６）から内側の範囲（４４若し
くは１４４）への移行箇所（５２若しくは１５２）の前
方に配置されている、請求項４記載の送風器。 ６、ウェブ（４６若しくは１４６）が湾曲した形状を有
している、請求項４又は５記載の送風器。 ７、ウェブ（１４６）が弓形の形状を有している、請求
項４又は５記載の送風器。 ８、構成部材（４０若しくは１４０）が弾性的な合成樹
脂より成っている、請求項１から７までのいずれか１項
記載の送風器。 ９、送風器（１４、１８）が、送風器回転軸線方向で見
て互いに逆向きのショルダ（６０、６２）を有しており
、該ショルダに対して間隔を保ってケーシング（２０、
２２、２４）の対抗ショルダ（６８、７０）が対応配置
されている、請求項１から８までのいずれか１項記載の
送風器。[Claims] 1. An electric blower, which includes a casing (20, 22, 24) that surrounds the blower at a distance and has a suction opening and at least one outlet opening (28); a temperature sensor (12) arranged in the air flow for detecting the temperature of this air flow, said temperature sensor (12) interacting with an electronic control unit belonging to the air conditioning system for the passenger compartment of the motor vehicle. connected and the casing (20, 22
, 24) and the blower, the noise damping device is a disc-shaped noise damper arranged orthogonally to the blower rotation axis (16). The outer edge range (42 or 142) of the disc-shaped component (40 or 140) is formed by the casing (20 or 140).
, 22, 24), the inner region (44 or 144) being connected to the blower (14, 18) and the outer edge region (42 or 140) of the component (40 or 140). 142) and said inner region (44 or 144) are connected via a number of elastic webs (46 or 146) spaced apart from each other. Blower. 2. The casing (20, 22, 24) consists of several parts, the outer edge areas (42 or 142) of the component (40 or 140) being connected to each other by the casing parts (22, 24); fixed,
The air blower according to claim 1. 3. The central range (4) of the component (40 or 140)
3. Air blower according to claim 1 or 2, wherein the air blower (4 or 144) is provided with a hole (38 or 138) in which a pin-shaped extension (36) of the air blower (14, 18) is held. vessel. 4. From the outer edge area (42 or 142) of the component (40 or 140) to the web (46 or 14)
6), the first radius (50 or 150) of the component passes from the inner extent (44 or 144) to the web (54 or 148).
54) through the transition point (52 or 152)
4. The blower according to claim 1, wherein the blower is spaced apart relative to a radius (54 or 154) of . 5. From the outer edge area (42 or 142) of the component (40 or 140) to the web (46 or 14)
6) from the web (46 or 146) of the component (40 or 140) to the inner region (44 or 144), viewed in the direction of rotation (56) of the blower (14, 18). 5. The blower according to claim 4, wherein the blower is arranged in front of the transition point (52 or 152). 6. The blower according to claim 4 or 5, wherein the web (46 or 146) has a curved shape. 7. The blower according to claim 4 or 5, wherein the web (146) has an arcuate shape. 8. The blower according to claim 1, wherein the component (40 or 140) is made of an elastic synthetic resin. 9. The blower (14, 18) has shoulders (60, 62) opposite to each other when viewed in the direction of the rotation axis of the blower, and the casing (20, 62) is spaced apart from the shoulder.
9. The blower according to claim 1, wherein the opposite shoulders (68, 70) of the counter-shoulders (22, 24) are arranged in a corresponding manner.
JP1171340A 1988-07-11 1989-07-04 Electric blower Expired - Fee Related JP2732899B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3823447A DE3823447C3 (en) 1988-07-11 1988-07-11 Blower powered by an electric motor
DE3823447.5 1988-07-11

Publications (2)

Publication Number Publication Date
JPH0264299A true JPH0264299A (en) 1990-03-05
JP2732899B2 JP2732899B2 (en) 1998-03-30

Family

ID=6358421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1171340A Expired - Fee Related JP2732899B2 (en) 1988-07-11 1989-07-04 Electric blower

Country Status (4)

Country Link
JP (1) JP2732899B2 (en)
DE (1) DE3823447C3 (en)
FR (1) FR2633985B1 (en)
IT (1) IT1230970B (en)

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Also Published As

Publication number Publication date
IT1230970B (en) 1991-11-08
DE3823447A1 (en) 1990-01-18
JP2732899B2 (en) 1998-03-30
DE3823447C2 (en) 1996-02-01
FR2633985B1 (en) 1993-03-19
DE3823447C3 (en) 1999-10-21
IT8921068A0 (en) 1989-07-03
FR2633985A1 (en) 1990-01-12

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