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RO131280A0 - Exhaust-gas discharging device - Google Patents

Exhaust-gas discharging device Download PDF

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Publication number
RO131280A0
RO131280A0 ROA201600162A RO201600162A RO131280A0 RO 131280 A0 RO131280 A0 RO 131280A0 RO A201600162 A ROA201600162 A RO A201600162A RO 201600162 A RO201600162 A RO 201600162A RO 131280 A0 RO131280 A0 RO 131280A0
Authority
RO
Romania
Prior art keywords
circular
exhaust
internal combustion
combustion engine
pipe
Prior art date
Application number
ROA201600162A
Other languages
Romanian (ro)
Other versions
RO131280B1 (en
RO131280A3 (en
Inventor
Dragoş-Costin Manea
Dumitru Bădilă
Original Assignee
Dumitru Bădilă
Dragoş-Costin Manea
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 Dumitru Bădilă, Dragoş-Costin Manea filed Critical Dumitru Bădilă
Priority to ROA201600162A priority Critical patent/RO131280B1/en
Publication of RO131280A0 publication Critical patent/RO131280A0/en
Priority to PCT/RO2017/000003 priority patent/WO2017155422A1/en
Publication of RO131280A3 publication Critical patent/RO131280A3/en
Publication of RO131280B1 publication Critical patent/RO131280B1/en

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
    • 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
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling by passing the exhaust gases through porous members
    • 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
    • F01N1/085—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling throttling exhaust gas flow using a central core in a flow passage
    • 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
    • F01N1/086—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart a whirling motion to the exhaust gases
    • F01N1/088—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling having means to impart a whirling motion to the exhaust gases using vanes arranged on the flow path or flow tubes with tangentially directed apertures
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • F01N13/20—Exhaust or silencing apparatus characterised by constructional features having flared outlets, e.g. of fish-tail shape
    • 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 exhaust gas passages, pipes or tubes
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated

Landscapes

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

Abstract

The invention relates to an exhaust-gas discharging device, meant for discharging exhaust gases and damping the noise produced by the exhausting systems of internal combustion engines. According to the invention, the device has a central pipe (1) for discharging the flue gases, provided, at one end, with a flange (a) coupling it to the exhaust pipe of an internal combustion engine, and, at the other end, with a discharge flare (b), along the pipe (1) there being some circular discharge holes (c) protected by circular protection shields (d and e), some circular noise-damping filters (f) being provided on the axis of the circular holes (c), the circular shields (d and e) and the noise-damping filters (f) having the shape of spherical calottes.

Description

Invenția se referă la un dispozitiv de evacuare a gazelor de eșapament, destinat evacuării gazelor și atenuării zgomotului produs de sistemele de evacuare ale motoarelor cu ardere internă.The invention relates to an exhaust gas exhaust device for gas exhaust and noise mitigation produced by the exhaust systems of internal combustion engines.

Este cunoscut un dispozitiv de evacuare a gazelor de eșapament, prezentat în modelul de utilitate CN201367931 Y, care are o carcasă exterioară, care formează o cameră de rezonanță, în interiorul căreia sunt prevăzute o conductă perforată, precum și niște plăci de compresie și izolare a sunetelor între care se formează niște camere de rezonanță și niște camere de expansiune.It is known an exhaust gas exhaust device, presented in utility model CN201367931 Y, which has an outer housing, which forms a resonance chamber, inside which a perforated pipe is provided, as well as some compression and isolation plates. to the sounds between which resonance chambers and expansion chambers are formed.

Este cunoscut, de asemenea, un dispozitiv de evacuare a gazelor de eșapament, prezentat în „Teoria, calculul și construcția motoarelor pentru autovehicule rutiere”, Berthold Grunwald, EDP, București, 1980, pag. 629-630, care este prevăzut cu o carcasă în care sunt prevăzute niște filtre, așezate în paralel, care au forma unor calote sferice.Also known is an exhaust gas exhaust device, presented in "Theory, calculation and construction of engines for road vehicles", Berthold Grunwald, EDP, Bucharest, 1980, pp. 629-630, which is provided with a housing. in which are provided filters, placed in parallel, which have the shape of spherical caps.

Dispozitivul de evacuare a gazelor de eșapament, conform invenției, are o conductă centrală de evacuare a gazelor de ardere ale unui motor cu ardere internă, care este prevăzută, la un capăt, cu o flanșă de cuplare la conducta de evacuare a motorului cu ardere internă, iar la celălalt capăt cu o evazare de evacuare, de-a lungul său fiind prevăzute niște orificii de evacuare, circulare, care au, de o parte și de alta, niște scuturi de protecție circulare, pe axa orificiilor circulare fiind prevăzute niște filtre de amortizare, circulare, scuturile circulare, precum și filtrele de amortizare, circulare, având forma unor calote sferice.The exhaust gas exhaust device according to the invention has a central flue gas exhaust pipe of an internal combustion engine, which is provided, at one end, with a coupling flange to the exhaust pipe of the internal combustion engine. , and at the other end with an evacuation escape, along it there are provided evacuation holes, circular, which have, on both sides, circular shields, on the axis of the circular holes are provided with filters. damping, circular, circular shields, as well as damping, circular filters, in the form of spherical caps.

Dispozitivul de evacuare a gazelor de eșapament, conform invenției, prezintă următoarele avantaje:The exhaust gas exhaust device according to the invention has the following advantages:

- construcție simplă;- simple construction;

i (λ- 2 9 1 6 - - 9 9 1 6 2i (λ- 2 9 1 6 - - 9 9 1 6 2

Ο 8 -83- 211SΟ 8 -83- 211S

- reducerea emisiilor poluante;- reducing pollutant emissions;

- creșterea puterii motorului și reducerea substanțială a zgomotului gazelor de evacuare.- Increased engine power and substantially reduced exhaust gas noise.

Se dă, în continuare, un exemplu de realizare a invenției, în legătură și cu fig.1 și 2 care reprezintă;The following is an example of embodiment of the invention, in connection with FIGS. 1 and 2, which represents;

- fig. 1, secțiune longitudinală prin dispozitivul de evacuare a gazelor de eșapament;FIG. 1, longitudinal section through the exhaust gas discharge device;

- fig.2, secțiune transversală prin dispozitivul de evacuare a gazelor de eșapament, cu un plan A-A, redat în fig.1.- fig. 2, cross-section through the exhaust gas exhaust device, with an A-A plane, shown in fig. 1.

Dispozitivul de evacuare a gazelor de eșapament, conform invenției, este prevăzut cu o conductă 1 centrală de evacuare a gazelor de ardere ale unui motor cu ardere internă, neredat în desen, care se cuplează, într-un mod în sine cunoscut, cum ar fi de exemplu cu niște bride și șuruburi, la o conductă de evacuare a motorului cu ardere internă, de asemenea neredată în desen.The exhaust gas exhaust device according to the invention is provided with a central exhaust pipe 1 for the exhaust gas of an internal combustion engine, not shown in the drawing, which engages, in a manner known per se, such as for example with clamps and screws, to an exhaust pipe of the internal combustion engine, also not shown in the drawing.

Conducta 1 centrală de evacuare a gazelor de ardere este prevăzută, la un capăt cu o flanșă a de cuplare la conducta de evacuare a unui motor cu ardere internă, iar la celălalt capăt cu o evazare b de evacuare. De-a lungul conductei 1 centrală de evacuare sunt prevăzute niște orificii c de evacuare, circulare, protejate de niște scuturi d și e de evacuare, circulare.The flue gas central exhaust pipe 1 is provided, at one end with a coupling flange at the exhaust pipe of an internal combustion engine, and at the other end with an exhaust flue b. Along the central drainage pipe 1, there are provided some circular orifices of evacuation holes c, protected by shields d and e of evacuation, circular.

Pe conducta 1 centrală de evacuare a gazelor de ardere, pe axa orificiilor c circulare, sunt prevăzute niște filtre f de amortizare, circulare, cu rol de disipare a energiei acustice sub formă de căldură prin frecările interioare ale straturilor de gaze arse, precum șî prin frecările cu pereții acestora.On the central exhaust pipe 1, on the axis of the circular holes, there are provided damping filters, circular, with the role of dissipating the acoustic energy in the form of heat through the internal friction of the flue gas layers, as well as through friction with their walls.

Scuturile d și e circulare, precum și filtrele f de amortizare, circulare, au forma unor calote sferice.The circular shields d and e, as well as the damping filters, circular, have the shape of spherical caps.

Claims (2)

1. Dispozitivul de evacuare a gazelor de eșapament, destinat atenuării zgomotului produs de sistemele de evacuare ale motoarelor cu ardere internă, care are o conductă centrală de evacuare a gazelor de ardere ale unui motor cu ardere internă, care este prevăzută, la un capăt, cu o fianșă de cuplare la conducta de evacuare a motorului cu ardere internă iar la celălalt capăt cu o evazare de evacuare, caracterizat prin aceea că conducta (1) centrală de evacuare a gazelor de ardere ale motorului cu ardere internă, are, de-a lungul său, niște orificii (c) de evacuare, circulare, prevăzute cu niște scuturi (d și e) de protecție circulare, pe axa orificiilor (c) circulare fiind prevăzute niște filtre (f) de amortizare, circulare.1. The exhaust gas exhaust device intended to mitigate the noise produced by the internal combustion engine exhaust systems, which has a central exhaust pipe for the internal combustion engine, which is provided at one end, with a coupling slit at the exhaust pipe of the internal combustion engine and at the other end with an exhaust outlet, characterized in that the central exhaust pipe (1) of the exhaust gas of the internal combustion engine has, along it, circular outlet holes (c), provided with circular shields (d and e), on the axis of the circular holes (c) being provided with damping filters (f), circular. 2. Dispozitiv de evacuare a gazelor de eșapament, conform revendicării 1, caracterizat prin aceea că scuturile (d și e) circulare, precum și filtrele (f) de amortizare, circulare, au forma unor calote sferice.An exhaust gas exhaust device according to claim 1, characterized in that the circular shields (d and e), as well as the circular damping filters (f), are in the form of spherical caps.
ROA201600162A 2016-03-08 2016-03-08 Exhaust-gas discharging device RO131280B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ROA201600162A RO131280B1 (en) 2016-03-08 2016-03-08 Exhaust-gas discharging device
PCT/RO2017/000003 WO2017155422A1 (en) 2016-03-08 2017-03-07 Exhaust-gas discharging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ROA201600162A RO131280B1 (en) 2016-03-08 2016-03-08 Exhaust-gas discharging device

Publications (3)

Publication Number Publication Date
RO131280A0 true RO131280A0 (en) 2016-07-29
RO131280A3 RO131280A3 (en) 2017-09-29
RO131280B1 RO131280B1 (en) 2018-06-29

Family

ID=56484023

Family Applications (1)

Application Number Title Priority Date Filing Date
ROA201600162A RO131280B1 (en) 2016-03-08 2016-03-08 Exhaust-gas discharging device

Country Status (2)

Country Link
RO (1) RO131280B1 (en)
WO (1) WO2017155422A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12203407B2 (en) * 2022-04-28 2025-01-21 Ford Global Technologies, Llc Sound modification apparatus for a turbocharged engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR500509A (en) * 1918-10-22 1920-03-16 Hugo Schneebeli Quiet
CH397331A (en) * 1962-11-19 1965-08-15 Knecht Johann End piece for the exhaust pipe of vehicle internal combustion engines
IT7853327V0 (en) * 1978-05-17 1978-05-17 Fiat Spa EXHAUST SILENCER FOR AGRICULTURAL TRACTORS
CN201367931Y (en) 2009-01-12 2009-12-23 昆明通晟汽车配件有限责任公司 Impedance composite high-efficient engine muffler
US8534056B2 (en) * 2009-07-27 2013-09-17 International Truck Intellectual Property Company, Llc Temperature control device

Also Published As

Publication number Publication date
WO2017155422A1 (en) 2017-09-14
RO131280B1 (en) 2018-06-29
RO131280A3 (en) 2017-09-29

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