FR720611A - Perfectionnements aux éléments à résonance - Google Patents

Perfectionnements aux éléments à résonance

Info

Publication number
FR720611A
FR720611A FR720611DA FR720611A FR 720611 A FR720611 A FR 720611A FR 720611D A FR720611D A FR 720611DA FR 720611 A FR720611 A FR 720611A
Authority
FR
France
Prior art keywords
resonance elements
resonance
elements
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.)
Expired
Application number
Other languages
English (en)
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.)
General Motors Research Corp
Original Assignee
General Motors Research 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.)
Filing date
Publication date
Application filed by General Motors Research Corp filed Critical General Motors Research Corp
Application granted granted Critical
Publication of FR720611A publication Critical patent/FR720611A/fr
Expired legal-status Critical Current

Links

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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
    • 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
    • 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
    • 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
    • F01N2490/20—Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe, e.g. resonance chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR720611D 1930-07-25 1931-07-25 Perfectionnements aux éléments à résonance Expired FR720611A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US720611XA 1930-07-25 1930-07-25

Publications (1)

Publication Number Publication Date
FR720611A true FR720611A (fr) 1932-02-22

Family

ID=22105317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720611D Expired FR720611A (fr) 1930-07-25 1931-07-25 Perfectionnements aux éléments à résonance

Country Status (1)

Country Link
FR (1) FR720611A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743418C (de) * 1940-12-10 1943-12-24 Eberspaecher J Ansaug-Schalldaempfer
DE747943C (de) * 1938-06-28 1944-02-17 Erich Groebe Schalldaempfer, insbesondere fuer Brennkraftmaschinen mit mehreren hintereinander- geschalteten Kammern
DE927056C (de) * 1952-12-07 1955-04-28 Eberspaecher J Schalldaempfer als Hochpassfilter, insbesondere fuer Ansaugluftfilter von Brennkraftmaschinen
DE1055877B (de) * 1955-08-20 1959-04-23 Eberspaecher J Ansaugschalldaempfungseinrichtung
DE1085713B (de) * 1956-11-23 1960-07-21 Ford Werke Ag Dosenfoermiges Luftfilter-Ansauggeraeuschdaempfer-Aggregat mit radialem aeusserem Einlass, insbesondere fuer Brennkraftmaschinen
DE1158760B (de) * 1958-06-14 1963-12-05 Eberspaecher J Schalldaempfer, insbesondere fuer Verbrennungsmotoren
DE2222556A1 (de) 1972-05-08 1973-11-22 Hatz Motoren Brennkraftmaschine mit geraeuschdaempfung
US3990415A (en) * 1972-12-01 1976-11-09 Regie Nationale Des Usines Renault Intake passages of internal combustion engines
DE2265214A1 (de) * 1972-05-08 1976-12-16 Hatz Motoren Brennkraftmaschine mit geraeuschdaempfung
FR2468964A1 (fr) * 1979-10-29 1981-05-08 Deere & Co Dispositif d'insonorisation en particulier pour le ventilateur de vehicules a moteur

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747943C (de) * 1938-06-28 1944-02-17 Erich Groebe Schalldaempfer, insbesondere fuer Brennkraftmaschinen mit mehreren hintereinander- geschalteten Kammern
DE743418C (de) * 1940-12-10 1943-12-24 Eberspaecher J Ansaug-Schalldaempfer
DE927056C (de) * 1952-12-07 1955-04-28 Eberspaecher J Schalldaempfer als Hochpassfilter, insbesondere fuer Ansaugluftfilter von Brennkraftmaschinen
DE1055877B (de) * 1955-08-20 1959-04-23 Eberspaecher J Ansaugschalldaempfungseinrichtung
DE1085713B (de) * 1956-11-23 1960-07-21 Ford Werke Ag Dosenfoermiges Luftfilter-Ansauggeraeuschdaempfer-Aggregat mit radialem aeusserem Einlass, insbesondere fuer Brennkraftmaschinen
DE1158760B (de) * 1958-06-14 1963-12-05 Eberspaecher J Schalldaempfer, insbesondere fuer Verbrennungsmotoren
DE2222556A1 (de) 1972-05-08 1973-11-22 Hatz Motoren Brennkraftmaschine mit geraeuschdaempfung
DE2265214A1 (de) * 1972-05-08 1976-12-16 Hatz Motoren Brennkraftmaschine mit geraeuschdaempfung
US3990415A (en) * 1972-12-01 1976-11-09 Regie Nationale Des Usines Renault Intake passages of internal combustion engines
FR2468964A1 (fr) * 1979-10-29 1981-05-08 Deere & Co Dispositif d'insonorisation en particulier pour le ventilateur de vehicules a moteur

Similar Documents

Publication Publication Date Title
FR707689A (fr) étui à fards
FR720436A (fr) Perfectionnements aux gyroscopes
FR720611A (fr) Perfectionnements aux éléments à résonance
FR658529A (fr) Perfectionnements aux tamis
FR721633A (fr) Perfectionnements aux segments
FR728134A (fr) Perfectionnements apportés aux éléments de construction
FR713278A (fr) Perfectionnements aux compresseurs
FR688314A (fr) Perfectionnements aux cribles à trépidation
FR691623A (fr) Perfectionnements aux montres-bracelets
FR42694E (fr) Perfectionnements aux ouves à teindre
FR705320A (fr) Perfectionnements aux métiers à tisser
FR695509A (fr) Perfectionnements aux sandales à semelles rigides
FR38713E (fr) Plansichters à percussicn
FR708867A (fr) Perfectionnements aux machines à meuler
FR721662A (fr) Perfectionnements aux compresseurs
FR696145A (fr) Passoire à tamis interchangeables
FR696639A (fr) Diplory à nivelette
FR699504A (fr) Perfectionnements aux métiers à tisser
FR704533A (fr) Perfectionnements aux métiers à tisser
FR698953A (fr) Perfectionnements aux métiers à tisser
FR687817A (fr) Perfectionnements aux métiers à tisser
FR702347A (fr) Perfectionnements aux métiers à tisser
FR687648A (fr) Perfectionnements aux métiers à tisser
FR704517A (fr) Perfectionnements aux métiers à tisser
FR700149A (fr) Perfectionnements aux bennes