JPS571845A - Vibration-proof structure of foundry case - Google Patents

Vibration-proof structure of foundry case

Info

Publication number
JPS571845A
JPS571845A JP7357380A JP7357380A JPS571845A JP S571845 A JPS571845 A JP S571845A JP 7357380 A JP7357380 A JP 7357380A JP 7357380 A JP7357380 A JP 7357380A JP S571845 A JPS571845 A JP S571845A
Authority
JP
Japan
Prior art keywords
case
sections
foundry
vibration
proof structure
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
JP7357380A
Other languages
Japanese (ja)
Other versions
JPS6024335B2 (en
Inventor
Norio Yamashita
Toshio Endo
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors 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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP55073573A priority Critical patent/JPS6024335B2/en
Publication of JPS571845A publication Critical patent/JPS571845A/en
Publication of JPS6024335B2 publication Critical patent/JPS6024335B2/en
Expired 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Vibration Prevention Devices (AREA)
  • General Details Of Gearings (AREA)

Abstract

PURPOSE:To produce a frictional damping effect, and to decrease an emitted sound by partially welding damping members, which are formed in approximately the same shapes as the whole or one part of an inner surface or an outer surface of the case, on the inner surface or the outer surface of the case. CONSTITUTION:The damping members 21, 22 consisting of a sheet steel formed in approximately the same shapes as an inner surface of the transmission case 1 are welded partially on the inner surface, and welded sections 211a, 221a and nonwelded sections 211b, 221b are mounted in distributing shapes. The emitted sound is decreased remarkably by the frictional damping effect produced among the inner surface of the case 1 and the nonwelded sections of the damping members 21, 22.
JP55073573A 1980-05-30 1980-05-30 Method for manufacturing a cast case with anti-vibration structure Expired JPS6024335B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55073573A JPS6024335B2 (en) 1980-05-30 1980-05-30 Method for manufacturing a cast case with anti-vibration structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55073573A JPS6024335B2 (en) 1980-05-30 1980-05-30 Method for manufacturing a cast case with anti-vibration structure

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP17298984A Division JPS60157542A (en) 1984-08-20 1984-08-20 Cast-iron case provided with vibration-damping structure

Publications (2)

Publication Number Publication Date
JPS571845A true JPS571845A (en) 1982-01-07
JPS6024335B2 JPS6024335B2 (en) 1985-06-12

Family

ID=13522150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55073573A Expired JPS6024335B2 (en) 1980-05-30 1980-05-30 Method for manufacturing a cast case with anti-vibration structure

Country Status (1)

Country Link
JP (1) JPS6024335B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506561A (en) * 1980-12-11 1985-03-26 Nissan Motor Company, Limited Transmission housing
US5291801A (en) * 1991-06-20 1994-03-08 The Japan Steel Works, Ltd. Gear device
US20110143161A1 (en) * 2009-12-14 2011-06-16 Gm Global Technology Operations, Inc. Coulomb damping features using ultrasonic welding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506561A (en) * 1980-12-11 1985-03-26 Nissan Motor Company, Limited Transmission housing
US5291801A (en) * 1991-06-20 1994-03-08 The Japan Steel Works, Ltd. Gear device
US20110143161A1 (en) * 2009-12-14 2011-06-16 Gm Global Technology Operations, Inc. Coulomb damping features using ultrasonic welding
US8905291B2 (en) * 2009-12-14 2014-12-09 GM Global Technology Operations LLC Coulomb damping features using ultrasonic welding

Also Published As

Publication number Publication date
JPS6024335B2 (en) 1985-06-12

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