FR798400A - Silent improvements - Google Patents

Silent improvements

Info

Publication number: FR798400A
Authority: FR; France
Prior art keywords: silent; silent improvements
Prior art date: 1935-02-28
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

Other languages

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.)

Climax Rock Drill & Engineering Works Ltd

Original Assignee

Climax Rock Drill & Engineering Works 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.)

1935-02-28

Filing date

1935-11-29

Publication date

1936-05-15

1935-11-29 Application filed by Climax Rock Drill & Engineering Works Ltd filed Critical Climax Rock Drill & Engineering Works Ltd

1936-05-15 Application granted granted Critical

1936-05-15 Publication of FR798400A publication Critical patent/FR798400A/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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1861—Construction facilitating manufacture, assembly, or disassembly the assembly using parts formed by casting or moulding
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/28—Tubes being formed by moulding or casting x

Landscapes

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

FR798400D 1935-02-28 1935-11-29 Silent improvements Expired FR798400A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB6427/35A GB436838A (en)	1935-02-28	1935-02-28	Improvements in exhaust silencers

Publications (1)

Publication Number	Publication Date
FR798400A true FR798400A (en)	1936-05-15

Family

ID=9814290

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR798400D Expired FR798400A (en)	1935-02-28	1935-11-29	Silent improvements

Country Status (4)

Country	Link
US (1)	US2054956A (en)
BE (1)	BE412503A (en)
FR (1)	FR798400A (en)
GB (1)	GB436838A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE432375B (en) *	1982-09-16	1984-04-02	Atlas Copco Ab	DEVICE FOR SILENCE FOR PRESSURE AIR DRIVES
US7681690B2 (en) *	2007-07-13	2010-03-23	Longyear Tm, Inc.	Noise abatement device for a pneumatic tool
US7735603B2 (en) *	2008-05-28	2010-06-15	Longyear Tm, Inc.	Noise reducing device for a pneumatic tool
US8215449B2 (en) *	2009-12-02	2012-07-10	Longyear Tm, Inc.	Muffler system for noise abatement and ice control

0
- BE BE412503D patent/BE412503A/xx unknown
1935
- 1935-02-28 GB GB6427/35A patent/GB436838A/en not_active Expired
- 1935-11-29 FR FR798400D patent/FR798400A/en not_active Expired
- 1935-12-02 US US52598A patent/US2054956A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BE412503A (en)
US2054956A (en)	1936-09-22
GB436838A (en)	1935-10-18

Publication	Publication Date	Title
FR800897A (en)	1936-07-21	Carburetor improvements
FR796853A (en)	1936-04-16	Silent improvements
FR802806A (en)	1936-09-16	Packaging improvements
FR822559A (en)	1938-01-04	Silent improvements
FR798400A (en)	1936-05-15	Silent improvements
FR47013E (en)	1936-11-30	Burners improvements
FR828844A (en)	1938-05-31	Calendar enhancements
FR812859A (en)	1937-05-19	Silent improvements
FR799717A (en)	1936-06-18	Burners improvements
FR811277A (en)	1937-04-10	Fan improvements
FR793645A (en)	1936-01-28	Improvements with mitrons
FR805026A (en)	1936-11-09	Powder-sulfur improvements
FR47963E (en)	1937-08-28	Cutsinets improvements
FR785034A (en)	1935-07-31	Brakes improvements
FR799263A (en)	1936-06-10	Brake improvements
FR783990A (en)	1935-07-20	Improvements upon awakening
FR47059E (en)	1936-12-14	Skylight improvements
FR802837A (en)	1936-09-16	Loudspeaker enhancements
FR787525A (en)	1935-09-24	Hairband enhancements
FR781728A (en)	1935-05-21	Combine-binder improvements
FR792941A (en)	1936-01-13	Churn improvements
FR810748A (en)	1937-03-27	Compressor improvements
FR804028A (en)	1936-10-14	Carburetor improvements
FR800898A (en)	1936-07-21	Carburetor improvements
FR810801A (en)	1937-03-31	Carburetor improvements