AU6877474A - Sound damping apparatus - Google Patents

Sound damping apparatus

Info

Publication number: AU6877474A
Authority: AU; Australia
Prior art keywords: sound damping; damping apparatus; sound; damping
Prior art date: 1973-10-23
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

AU68774/74A

Inventor

Milo Everett Murphy

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.)

Dow Silicones Corp

Original Assignee

Dow Corning Corp

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.)

1973-10-23

Filing date

1974-05-09

Publication date

1975-11-13

1974-05-09 Application filed by Dow Corning Corp filed Critical Dow Corning Corp

1975-11-13 Publication of AU6877474A publication Critical patent/AU6877474A/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/22—Silencing apparatus characterised by method of silencing by using movable parts the parts being resilient walls
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/11—Arrangements of noise-damping means
- B25D17/12—Arrangements of noise-damping means of exhaust silencers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
General Engineering & Computer Science (AREA)
Exhaust Silencers (AREA)

AU68774/74A 1973-10-23 1974-05-09 Sound damping apparatus Expired AU6877474A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US408388A US3918549A (en)	1973-10-23	1973-10-23	Sound damping apparatus

Publications (1)

Publication Number	Publication Date
AU6877474A true AU6877474A (en)	1975-11-13

Family

ID=23616091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU68774/74A Expired AU6877474A (en)	1973-10-23	1974-05-09	Sound damping apparatus

Country Status (8)

Country	Link
US (1)	US3918549A (en)
JP (1)	JPS5072036A (en)
AU (1)	AU6877474A (en)
BE (1)	BE816557A (en)
DE (1)	DE2428150C3 (en)
FR (1)	FR2248407B1 (en)
IT (1)	IT1015180B (en)
SE (1)	SE7406211L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2406720A1 (en) *	1977-10-18	1979-05-18	Globe Outils Pneumatiques	Silencer for pneumatic motor for small tools - has expansion volume enclosed by elastic wall which vary opening according to pressure
US4244442A (en) *	1978-10-13	1981-01-13	Rensselaer Polytechnic Institute	Method and apparatus for treating exhaust gases particularly for air-operated tools
US4327817A (en) *	1978-10-13	1982-05-04	Rensselaer Polytechnic Institute	Method and apparatus for treating exhaust gases particularly for air-operated tools
US5581055A (en) *	1995-08-04	1996-12-03	Kevin G. Self	Muffler for air operated hand tools and other pneumatic devices
RU2148723C1 (en) *	1997-03-28	2000-05-10	Ульяновский государственный технический университет	Exhaust muffler of internal combustion engine
CN109048796A (en) *	2018-08-17	2018-12-21	合肥蓝鹰机械科技有限公司	A kind of pneumatic chipping hammer with silencing function
US11867102B2 (en)	2019-08-28	2024-01-09	Snap-On Incorporated	Pneumatic tool exhaust muffler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2732026A (en) *		1956-01-24		Muffler with flashing and spark
US2877860A (en) *	1956-07-23	1959-03-17	Hoffar Henry Stonestreet	Apertured pliable resilient damper wall silencer
US3561561A (en) *	1969-11-28	1971-02-09	John B Trainor	Sound attenuating device
US3590945A (en) *	1970-04-03	1971-07-06	Milo E Murphy	Tuned resonance mufflers
US3688869A (en) *	1971-07-06	1972-09-05	Murphy Mufflers	Muffler with resilient exterior

1973
- 1973-10-23 US US408388A patent/US3918549A/en not_active Expired - Lifetime
1974
- 1974-05-09 SE SE7406211A patent/SE7406211L/xx unknown
- 1974-05-09 AU AU68774/74A patent/AU6877474A/en not_active Expired
- 1974-05-29 JP JP49060686A patent/JPS5072036A/ja active Pending
- 1974-06-11 DE DE2428150A patent/DE2428150C3/en not_active Expired
- 1974-06-13 FR FR7420505A patent/FR2248407B1/fr not_active Expired
- 1974-06-19 BE BE145616A patent/BE816557A/en unknown
- 1974-06-19 IT IT24141/74A patent/IT1015180B/en active

Also Published As

Publication number	Publication date
SE7406211L (en)	1975-04-24
JPS5072036A (en)	1975-06-14
DE2428150A1 (en)	1975-04-30
US3918549A (en)	1975-11-11
IT1015180B (en)	1977-05-10
BE816557A (en)	1974-12-19
DE2428150B2 (en)	1979-07-05
DE2428150C3 (en)	1980-03-13
FR2248407B1 (en)	1977-03-11
FR2248407A1 (en)	1975-05-16

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