JPH0227903B2 - - Google Patents

Info

Publication number
JPH0227903B2
JPH0227903B2 JP56215629A JP21562981A JPH0227903B2 JP H0227903 B2 JPH0227903 B2 JP H0227903B2 JP 56215629 A JP56215629 A JP 56215629A JP 21562981 A JP21562981 A JP 21562981A JP H0227903 B2 JPH0227903 B2 JP H0227903B2
Authority
JP
Japan
Prior art keywords
bracket
fan
housing
fan guide
electric motor
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.)
Expired - Lifetime
Application number
JP56215629A
Other languages
Japanese (ja)
Other versions
JPS58112433A (en
Inventor
Minoru Ooshima
Tatsuo Innami
Katsuo Koizumi
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP56215629A priority Critical patent/JPS58112433A/en
Publication of JPS58112433A publication Critical patent/JPS58112433A/en
Publication of JPH0227903B2 publication Critical patent/JPH0227903B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Description

【発明の詳細な説明】 本発明は外周にフアンガイドを要する冷却フア
ンを保持した回転子を有するモ−タと、前記冷却
フアンによる冷却風を遠心方向に排出する排出形
状を有するブラケツトと、該ブラケツトと連結
し、前記モ−タを保持するハウジングから成る電
動機に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention comprises a motor having a rotor holding a cooling fan that requires a fan guide on the outer periphery, a bracket having a discharge shape for discharging cooling air from the cooling fan in a centrifugal direction, and The present invention relates to an electric motor comprising a housing connected to a bracket and holding the motor.

従来の電動機を図によつて説明する。第1図、
第2図は側断面図で、第1図、第2図において、
同一部分、または、同一に作用する部分には、同
一付号を付してある。
A conventional electric motor will be explained using a diagram. Figure 1,
Figure 2 is a side sectional view, and in Figures 1 and 2,
Identical parts or parts that act in the same manner are given the same reference numbers.

1はモ−タ2、及び回転子3を保持するハウジ
ング、4は前記回転子3に保持された冷却フア
ン、5,6は前記回転子の軸受、7は前記ハウジ
ング1に設けられた風窓、8は前記ハウジング1
と遠心方向排出形状11を有するブラケツト10
に挾持されたフアンガイド、9は軸方向排出風窓
14を設けたブラケツトである。
1 is a housing that holds the motor 2 and the rotor 3; 4 is a cooling fan held on the rotor 3; 5 and 6 are bearings for the rotor; 7 is a wind window provided in the housing 1; 8 is the housing 1
and a bracket 10 having a centrifugal discharge shape 11.
A fan guide 9 is a bracket provided with an axial exhaust air window 14.

第1図に示す電動機において、ハウジング1及
びブラケツト10に軸受5,6を介して保持され
た回転子3が回転すると、該回転子3に保持され
た冷却フアン4は前記ハウジング1とブラケツト
10に挾持されたフアンガイド8と隙間δA17を
有して回転し、冷却風12が前記ハウジング1の
風窓7より流入し、前記回転子3を通過し、前記
ブラケツト10の遠心方向排出形状11に沿つて
遠心方向矢印15方向へ排出する。
In the electric motor shown in FIG. 1, when a rotor 3 held by a housing 1 and a bracket 10 via bearings 5 and 6 rotates, a cooling fan 4 held by the rotor 3 is connected to the housing 1 and the bracket 10. It rotates with a gap δA 17 between the fan guide 8 held therebetween, and the cooling air 12 flows in through the wind window 7 of the housing 1, passes through the rotor 3, and enters the centrifugal discharge shape 11 of the bracket 10. along the centrifugal arrow 15.

この時前記フアンガイド8と前記冷却フアン4
との隙間δA17は一定であることが安定した冷却
風12を得るために望ましいが、前記フアンガイ
ド8は前記ハウジング1と別部品となつているこ
とより、該フアンガイド8の外周と前記ハウジン
グ1の内周には隙間δ′18が生じ、前記フアンガ
イド8は、該隙間δ′18分だけガタを生じ、前記
冷却フアン4と前記フアンガイド8との隙間δ1
7は前記隙間δ′18分だけばらつきを生じる。
At this time, the fan guide 8 and the cooling fan 4
It is desirable that the gap δ A 17 between the fan guide 8 and the A gap δ'18 is generated on the inner periphery of the housing 1, and the fan guide 8 has play by the amount of the gap δ'18, and the gap δ1 between the cooling fan 4 and the fan guide 8 is
7 causes variation by the gap δ'18.

すなわち従来の遠心方向に排出形状を有する電
動機では、冷却フアン4とフアンガイド8との隙
間δ17がばらつくため、電動機の冷却が安定し
ないという難点があつた。
In other words, in the conventional electric motor having a discharge shape in the centrifugal direction, the gap δ17 between the cooling fan 4 and the fan guide 8 varies, so that cooling of the electric motor is not stable.

一方第2図に示す電動機においては、第1図に
示す電動機の難点を解消するために、フアンガイ
ドを兼ね備えたブラケツト9をハウジング1と連
結してたが、冷却フアン4による冷却風13の排
出風窓14は前記冷却風13が軸方向矢印16方
向へ排出される位置に設けてあり、回転子3に保
持された前記冷却フアン4による前記冷却風13
は前記軸方向矢印16方向へ排出され、遠心方向
に冷却風13を排出することが困難であつた。
On the other hand, in the electric motor shown in FIG. 2, a bracket 9 that also serves as a fan guide is connected to the housing 1 in order to solve the problems of the electric motor shown in FIG. The wind window 14 is provided at a position where the cooling air 13 is discharged in the direction of the axial arrow 16, and the cooling air 13 is discharged by the cooling fan 4 held by the rotor 3.
was discharged in the direction of the axial arrow 16, and it was difficult to discharge the cooling air 13 in the centrifugal direction.

本発明の目的は、上記難点を解消し、遠心方向
に冷却風を排出し、且つフアンガイドを兼ねるブ
ラケツトからなる電動機を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide an electric motor that discharges cooling air in a centrifugal direction and that includes a bracket that also serves as a fan guide.

本発明は、外周にフアンガイドを要する冷却フ
アンを保持した回転子を有するモ−タと、前記冷
却フアンによる冷却風を遠心方向に排出する排出
形状を有するブラケツトと、該ブラケツトと連結
し、前記モ−タを保持するハウジングから成る電
動機であつて、前記ブラケツトにおいて前記排出
形状部と前記フアンガイドを連結する連結部を備
え、前記排出形状および前記フアンガイドとを一
体に形成し前記フアンガイドを前記ハウジング内
に嵌挿したことを特徴とするものである。
The present invention provides a motor having a rotor holding a cooling fan that requires a fan guide on the outer periphery, a bracket having a discharge shape for discharging cooling air from the cooling fan in a centrifugal direction, and a motor connected to the bracket, The electric motor includes a housing that holds a motor, and the bracket includes a connection part that connects the discharge shape part and the fan guide, and the discharge shape and the fan guide are integrally formed. It is characterized in that it is fitted into the housing.

本発明の一実施例を図によつて説明する。第3
図は一実施例の側断面図、第4図は第3図の部分
側面図で、第1図、第2図と同一部分、または、
同一に作用する部分には同一符号を付してある。
20は遠心方向排出形状11を有し、且つフアン
ガイド21を1体形成し、該フアンガイド21と
前記排出形状11と連結する連結部22を有する
ブラケツトで、従来の電動機と異なるところは、
前記ブラケツトを前記排出形状、前記フアンガイ
ド一体として形成し、かつ前記排出形状部と前記
フアンガイドを連結する連結部を含めたフアンガ
イドをハウジング1に嵌挿した点である。
An embodiment of the present invention will be described with reference to the drawings. Third
The figure is a side sectional view of one embodiment, and FIG. 4 is a partial side view of FIG. 3, showing the same parts as FIGS. 1 and 2, or
Parts that act in the same way are given the same reference numerals.
Reference numeral 20 denotes a bracket having a centrifugal direction discharge shape 11, a fan guide 21 formed as one body, and a connecting portion 22 that connects the fan guide 21 and the discharge shape 11. The difference from a conventional electric motor is as follows.
The bracket is integrally formed with the ejection shape and the fan guide, and the fan guide including a connecting portion connecting the ejection shape and the fan guide is fitted into the housing 1.

すなわち、第3図において、回転子3に保持さ
れた冷却フアン4が回転すると、冷却風12はハ
ウジング1の風窓7より流入し、前記回転子3を
通過し、ブラケツト20の遠心方向排出形状11
に沿つて、遠心方向矢印15方向へ排出される。
この時前記ブラケツト20と1体形成されたフア
ンガイド21と前記冷却フアン4との隙間δA17
は、前記ブラケツト20の連結部22が、前記ハ
ウジング1と嵌挿していることにより、常に一定
の量を確保でき、電動機の安定した冷却を行なう
ことができる。更にフアンガイド21を1体で形
成したブラケツトを使用することにより、電動機
の分解、組立時の作業性を改善できる。
That is, in FIG. 3, when the cooling fan 4 held by the rotor 3 rotates, the cooling air 12 flows in from the wind window 7 of the housing 1, passes through the rotor 3, and is discharged from the centrifugal direction discharge shape 11 of the bracket 20.
along the centrifugal arrow 15.
At this time, a gap δ A 17 between the fan guide 21 formed integrally with the bracket 20 and the cooling fan 4 is
Since the connecting portion 22 of the bracket 20 is fitted into the housing 1, a constant amount of cooling can be always ensured, and the motor can be cooled stably. Furthermore, by using a bracket in which the fan guide 21 is integrally formed, workability during disassembly and assembly of the electric motor can be improved.

以上説明したように、本発明によれば、遠心方
向に冷却風を排出する電動機において、安定冷却
という高性能、かつ分解組立作業性の良い電動機
を実現できるというすぐれた工業的効果を奏する
ことができる。
As explained above, according to the present invention, an electric motor that discharges cooling air in a centrifugal direction can achieve excellent industrial effects such as achieving stable cooling, high performance, and easy disassembly and assembly work. can.

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

第1図、第2図は従来の電動機の側断面図、第
3図は本発明の一実施例の側断面図、第4図は第
3図の部分側面図である。 1……ハウジング、2……モ−タ、3……回転
子、4……冷却フアン、5……軸受、6……軸
受、9……ブラケツト、10……ブラケツト、2
0……ブラケツト。
1 and 2 are side sectional views of a conventional electric motor, FIG. 3 is a side sectional view of an embodiment of the present invention, and FIG. 4 is a partial side view of FIG. 3. 1...Housing, 2...Motor, 3...Rotor, 4...Cooling fan, 5...Bearing, 6...Bearing, 9...Bracket, 10...Bracket, 2
0...Bracket.

Claims (1)

【特許請求の範囲】[Claims] 1 外周に冷却フアンと平行に設けられたフアン
ガイドを保持した回転子を有するモ−タと、前記
冷却フアンによる冷却風を遠心方向に排出する排
出形状を有するブラケツトと、該ブラケツトと連
結し、前記モ−タを保持するハウジングから成る
電動機であつて、前記ブラケツトにおいて前記排
出形状部と前記フアンガイドを連結する連結部を
備え、前記排出形状および前記フアンガイドとを
一体に形成し前記フアンガイドを前記ハウジング
内に嵌挿したことを特徴とする電動機。
1. A motor having a rotor holding a fan guide provided on the outer periphery in parallel with the cooling fan, a bracket having a discharge shape for discharging cooling air from the cooling fan in a centrifugal direction, and connected to the bracket, The electric motor includes a housing that holds the motor, and the bracket includes a connection part that connects the discharge shape part and the fan guide, and the discharge shape and the fan guide are integrally formed. An electric motor, characterized in that: is inserted into the housing.
JP56215629A 1981-12-24 1981-12-24 Electric motor Granted JPS58112433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56215629A JPS58112433A (en) 1981-12-24 1981-12-24 Electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56215629A JPS58112433A (en) 1981-12-24 1981-12-24 Electric motor

Publications (2)

Publication Number Publication Date
JPS58112433A JPS58112433A (en) 1983-07-04
JPH0227903B2 true JPH0227903B2 (en) 1990-06-20

Family

ID=16675563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56215629A Granted JPS58112433A (en) 1981-12-24 1981-12-24 Electric motor

Country Status (1)

Country Link
JP (1) JPS58112433A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10258033B2 (en) 2005-11-30 2019-04-16 Eden Research Plc Compositions and methods comprising terpenes or terpene mixtures selected from thymol, eugenol, geraniol, citral and L-carvone

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58112433A (en) * 1981-12-24 1983-07-04 Hitachi Koki Co Ltd Electric motor
DE59701239D1 (en) * 1996-01-11 2000-04-20 Patent Ag Chur Sa Bypass blower powered by an electric motor
EP1637643A3 (en) 2004-09-06 2009-01-07 Samsung Electronics Co., Ltd. Clothing dryer
US11637474B2 (en) 2021-03-19 2023-04-25 Ametek, Inc. Throughflow vacuum motor with reverse airflow

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671446A (en) * 1979-11-14 1981-06-15 Toshiba Corp Bearing bracket for rotary electric machine
JPS58112433A (en) * 1981-12-24 1983-07-04 Hitachi Koki Co Ltd Electric motor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241558Y2 (en) * 1980-05-12 1987-10-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671446A (en) * 1979-11-14 1981-06-15 Toshiba Corp Bearing bracket for rotary electric machine
JPS58112433A (en) * 1981-12-24 1983-07-04 Hitachi Koki Co Ltd Electric motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10258033B2 (en) 2005-11-30 2019-04-16 Eden Research Plc Compositions and methods comprising terpenes or terpene mixtures selected from thymol, eugenol, geraniol, citral and L-carvone

Also Published As

Publication number Publication date
JPS58112433A (en) 1983-07-04

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