FR2144968A5 - - Google Patents

Info

Publication number
FR2144968A5
FR2144968A5 FR7124473A FR7124473A FR2144968A5 FR 2144968 A5 FR2144968 A5 FR 2144968A5 FR 7124473 A FR7124473 A FR 7124473A FR 7124473 A FR7124473 A FR 7124473A FR 2144968 A5 FR2144968 A5 FR 2144968A5
Authority
FR
France
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
FR7124473A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7124473A priority Critical patent/FR2144968A5/fr
Priority to BE785511A priority patent/BE785511A/xx
Priority to DE19722231617 priority patent/DE2231617A1/de
Priority to IT2644272A priority patent/IT960145B/it
Priority to GB3096572A priority patent/GB1386288A/en
Priority to SE875672A priority patent/SE404152B/xx
Priority to NL7209359A priority patent/NL7209359A/xx
Application granted granted Critical
Publication of FR2144968A5 publication Critical patent/FR2144968A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the exhaust gases or successively throttling exhaust gas flow
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
FR7124473A 1971-07-05 1971-07-05 Expired FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7124473A FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-05 1971-07-05
BE785511A BE785511A (fr) 1971-07-05 1972-06-28 Silencieux pour marteaux-piqueurs pneumatiques
DE19722231617 DE2231617A1 (de) 1971-07-05 1972-06-28 Schalldaempfer fuer drucklufthaemmer
IT2644272A IT960145B (it) 1971-07-05 1972-06-30 Silenziatore per martelli perfora tori pneumatici
GB3096572A GB1386288A (en) 1971-07-05 1972-07-03 Silencers for pneumatic tools
SE875672A SE404152B (sv) 1971-07-05 1972-07-04 Ljuddempare for dempning av luftutblasningsljudet fran pneumatiska mejslar eller slaghackor
NL7209359A NL7209359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-05 1972-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7124473A FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-05 1971-07-05

Publications (1)

Publication Number Publication Date
FR2144968A5 true FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-16

Family

ID=9079820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124473A Expired FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-05 1971-07-05

Country Status (7)

Country Link
BE (1) BE785511A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2231617A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2144968A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1386288A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT960145B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7209359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE404152B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438743A1 (fr) * 1978-10-13 1980-05-09 Rensselaer Polytech Inst Procede et appareil de traitement acoustique de gaz d'echappement, en particulier pour des outils pneumatiques
CN109538331A (zh) * 2018-12-24 2019-03-29 重庆凯罗尔机械配件有限公司 一种消音器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138728B (en) * 1983-04-22 1986-07-23 Inst Gornogo Dela Sibirskogo O Pneumatic impact tool
US9464630B2 (en) * 2010-05-18 2016-10-11 Graco Minnesota Inc. Low ice pneumatic motor exhaust muffler
DE102010031071A1 (de) * 2010-07-07 2012-01-12 Wiwa Wilhelm Wagner Gmbh & Co Kg Druckluft-Kolbenmotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438743A1 (fr) * 1978-10-13 1980-05-09 Rensselaer Polytech Inst Procede et appareil de traitement acoustique de gaz d'echappement, en particulier pour des outils pneumatiques
CN109538331A (zh) * 2018-12-24 2019-03-29 重庆凯罗尔机械配件有限公司 一种消音器

Also Published As

Publication number Publication date
IT960145B (it) 1973-11-20
NL7209359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-01-09
SE404152B (sv) 1978-09-25
BE785511A (fr) 1972-10-16
GB1386288A (en) 1975-03-05
DE2231617A1 (de) 1973-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse