JPS5540331A - Damper - Google Patents

Damper

Info

Publication number
JPS5540331A
JPS5540331A JP11227778A JP11227778A JPS5540331A JP S5540331 A JPS5540331 A JP S5540331A JP 11227778 A JP11227778 A JP 11227778A JP 11227778 A JP11227778 A JP 11227778A JP S5540331 A JPS5540331 A JP S5540331A
Authority
JP
Japan
Prior art keywords
cylindrical shaft
blade
groove
secured
shaft
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.)
Pending
Application number
JP11227778A
Other languages
Japanese (ja)
Inventor
Mitsutsugu Sato
Shinji Hase
Makoto Tsumori
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP11227778A priority Critical patent/JPS5540331A/en
Publication of JPS5540331A publication Critical patent/JPS5540331A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lift Valve (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Air Supply (AREA)

Abstract

PURPOSE: To reduce the number of manufacturing steps and prevent flexing by forming a damper blade with a groove extending along the axis of its rotation by using a press mold or the like and providing a cylindrical shaft capable of engagement with a drive shaft and a bearing at the opposite ends.
CONSTITUTION: A blade 1a made of a steel plate is formed with a groove 7 extending along the axis of its rotation with a press mold or the like. The groove 7 suitably has a shape that fits on a cylindrical shaft. The cylindrical shaft 5 is secured by welding, and its length is substantially the same as the length of the blade 1a. One end of the cylindrical shaft 5 is fitted on a bearing 6a secured to a frame 9. A drive shaft 3a is fitted on and firmly secured to the cylindrical shaft 5 for transmitting the torque of the drive shaft 3a to the cylindrical shaft 5.
COPYRIGHT: (C)1980,JPO&Japio
JP11227778A 1978-09-14 1978-09-14 Damper Pending JPS5540331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11227778A JPS5540331A (en) 1978-09-14 1978-09-14 Damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11227778A JPS5540331A (en) 1978-09-14 1978-09-14 Damper

Publications (1)

Publication Number Publication Date
JPS5540331A true JPS5540331A (en) 1980-03-21

Family

ID=14582661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11227778A Pending JPS5540331A (en) 1978-09-14 1978-09-14 Damper

Country Status (1)

Country Link
JP (1) JPS5540331A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6343069A (en) * 1986-08-11 1988-02-24 Aida Eng Ltd Disc for butterfly valve
JPH01238709A (en) * 1988-03-18 1989-09-22 Hokushin Ind Inc Manufacture of hollow shaft
JPH0287516U (en) * 1988-12-24 1990-07-11

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926751U (en) * 1972-06-08 1974-03-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926751U (en) * 1972-06-08 1974-03-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6343069A (en) * 1986-08-11 1988-02-24 Aida Eng Ltd Disc for butterfly valve
JPH01238709A (en) * 1988-03-18 1989-09-22 Hokushin Ind Inc Manufacture of hollow shaft
JPH0287516U (en) * 1988-12-24 1990-07-11

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