JPS5840779Y2 - 回転電機の防音装置 - Google Patents

回転電機の防音装置

Info

Publication number
JPS5840779Y2
JPS5840779Y2 JP10764976U JP10764976U JPS5840779Y2 JP S5840779 Y2 JPS5840779 Y2 JP S5840779Y2 JP 10764976 U JP10764976 U JP 10764976U JP 10764976 U JP10764976 U JP 10764976U JP S5840779 Y2 JPS5840779 Y2 JP S5840779Y2
Authority
JP
Japan
Prior art keywords
sound
stator
syllable
rotating electrical
space
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
Application number
JP10764976U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5337004U (cg-RX-API-DMAC10.html
Inventor
邦彦 西部
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP10764976U priority Critical patent/JPS5840779Y2/ja
Publication of JPS5337004U publication Critical patent/JPS5337004U/ja
Application granted granted Critical
Publication of JPS5840779Y2 publication Critical patent/JPS5840779Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)
JP10764976U 1976-08-13 1976-08-13 回転電機の防音装置 Expired JPS5840779Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10764976U JPS5840779Y2 (ja) 1976-08-13 1976-08-13 回転電機の防音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10764976U JPS5840779Y2 (ja) 1976-08-13 1976-08-13 回転電機の防音装置

Publications (2)

Publication Number Publication Date
JPS5337004U JPS5337004U (cg-RX-API-DMAC10.html) 1978-04-01
JPS5840779Y2 true JPS5840779Y2 (ja) 1983-09-13

Family

ID=28717673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10764976U Expired JPS5840779Y2 (ja) 1976-08-13 1976-08-13 回転電機の防音装置

Country Status (1)

Country Link
JP (1) JPS5840779Y2 (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700087339A1 (it) * 2017-07-28 2019-01-28 Hitachi Rail Italy S P A Gruppo motore elettrico per la trazione ferroviaria

Also Published As

Publication number Publication date
JPS5337004U (cg-RX-API-DMAC10.html) 1978-04-01

Similar Documents

Publication Publication Date Title
JP3567086B2 (ja) 送風羽根及び回転電機
US9253556B1 (en) Dissipative system for increasing audio entropy thereby diminishing auditory perception
JPS5840779Y2 (ja) 回転電機の防音装置
CN113654232A (zh) 一种适用于暖通系统风口的消声结构
JPS62217833A (ja) 回転電機の消音装置
JPH04159500A (ja) 遠心送風機
JPH0979199A (ja) 電動送風機
CN119218458A (zh) 一种基于弯曲微穿孔板声衬的涵道无人机降噪装置
CN216048296U (zh) 一种适用于暖通系统风口的消声结构
CN110752701B (zh) 一种带有吸音罩的低噪音铝壳电机
CN115450954A (zh) 具有振动衰减的流体流动调节组件
JP4114463B2 (ja) 吸音構造及び吸遮音構造体
CN219778516U (zh) 降噪结构和新能源设备
JPH08124755A (ja) 送風機の吸排気風胴及び静止誘導機器
Nimura et al. Effect of the Splayed Walls of a Room on the Steady‐State Sound Transmission Characteristics
JPH11234957A (ja) 回転電機の消音装置
JPS63286647A (ja) 空調用消音器
JPH03161603A (ja) 消音壁
JP2004170666A (ja) 吸遮音構造体及び吸遮音構造体アレイ
JPS63234854A (ja) 回転電機の防音装置
US3095059A (en) Tone cabinets
JP2010255450A (ja) 遠心送風機
Ver et al. Design of a tuned muffler for large induced-draft fans
JPS587051Y2 (ja) 防音構造体の換気口
CS213325B2 (en) Cabinet of centrifugal ventilator with the insertion for the sound absorption