CN103806983A - Catalyzer silencer - Google Patents

Catalyzer silencer Download PDF

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Publication number
CN103806983A
CN103806983A CN201410033249.2A CN201410033249A CN103806983A CN 103806983 A CN103806983 A CN 103806983A CN 201410033249 A CN201410033249 A CN 201410033249A CN 103806983 A CN103806983 A CN 103806983A
Authority
CN
China
Prior art keywords
exhaust passage
waste gas
baffler
negative
catalyst
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.)
Pending
Application number
CN201410033249.2A
Other languages
Chinese (zh)
Inventor
李志军
余剑
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.)
Zhejiang YAT Electrical Appliance Co Ltd
Original Assignee
Zhejiang YAT Electrical Appliance Co 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.)
Filing date
Publication date
Application filed by Zhejiang YAT Electrical Appliance Co Ltd filed Critical Zhejiang YAT Electrical Appliance Co Ltd
Priority to CN201410033249.2A priority Critical patent/CN103806983A/en
Priority to PCT/CN2014/073265 priority patent/WO2015109641A1/en
Publication of CN103806983A publication Critical patent/CN103806983A/en
Pending legal-status Critical Current

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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
    • F01N1/14—Silencing apparatus characterised by method of silencing by adding air to exhaust gases
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
    • 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
    • F01N2270/00—Mixing air with exhaust gases
    • F01N2270/02—Mixing air with exhaust gases for cooling exhaust gases or the apparatus
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/16—Outlet manifold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention provides a catalyzer silencer. The catalyzer silencer comprises a silencer body. The silencer body is provided with an exhaust passage, a waste gas outlet and an exhaust port. Negative-pressure suction holes are formed in the sidewall of the exhaust passage. According to the catalyzer silencer, the negative-pressure suction holes are formed in the sidewall of the exhaust passage, and cooling air is led into the exhaust passage through the negative pressure effect and mixed with waste gas flow, so the temperature of waste gas exhausted from an exhaust port can be lowered. Compared with the prior art, the catalyzer silencer has the advantages that in the exhausting process of the waste gas, the cooling air led in from the sidewall of the exhaust passage is added, so the capacity of the cooling air in the exhaust passage is increased on the basis that air enters the exhaust passage from an air inlet in the rear portion of the exhaust passage, the temperature of the waste gas flow can be reduced more effectively, and the exhaust gas temperature of the catalyzer silencer is reduced.

Description

A kind of catalyst baffler
Technical field
The present invention relates to a kind of catalyst baffler.
Background technique
The hand-held garden instrument take petrol engine as power of producing both at home and abroad in order to reach emission standard, is installed catalyst baffler on instrument.Existing catalyst baffler arranges an exhaust passage on baffler body, then at two ends, exhaust passage, suction port and relief opening is set respectively, and meanwhile, the waste gas outlet combustion gas on exhaust passage, is mixed into the air that gas port is come in, and discharges from relief opening.The air temperature of coming in due to suction port is lower, mixes with high-temp waste gas, has reduced from the temperature of relief opening waste gas streams out.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of catalyst baffler, can effectively reduce the exhaust gas temperature of catalyst baffler discharge.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: a kind of catalyst baffler, comprise baffler body, and described baffler body is provided with exhaust passage, waste gas outlet and relief opening, and described exhaust passage sidewall is provided with negative-pressure air-suction hole.
Improved, described negative-pressure air-suction hole is fish scale hole.
Improved, described negative-pressure air-suction hole is less than the distance of described waste gas outlet to relief opening to the distance of relief opening.
Improved, described exhaust passage sidewall is provided with at least two fish scale holes along exhaust passage axial directional distribution, and the hole depth at least two described fish scale holes reduces gradually or increases gradually along airflow direction.
Improved, between the outgassing direction of described waste gas outlet and the axial direction of described exhaust passage, form 0～90 ° of angle.
Improved, between the outgassing direction of described waste gas outlet and the axial direction of described exhaust passage, form 30 ° of angles.
Improved, described catalyst baffler also comprises the heat-insulating shield being located on described baffler body, and described heat-insulating shield is provided with the vent corresponding with negative-pressure air-suction hole.
Improved, on described heat-insulating shield, be also provided with the spark catching net blocking in described exhaust ports, described spark catching net is fixed by screws on described heat-insulating shield.
Catalyst baffler of the present invention arranges negative-pressure air-suction hole on the sidewall of exhaust passage, utilize underbalance effect that cooling air is introduced in exhaust passage and mixed with waste gas streams from exhaust passage sidewall, thereby reduce the exhaust gas temperature of discharging from relief opening, compared to existing technology, catalyst baffler of the present invention is in combustion gas process, the cooling air that has added exhaust passage sidewall to introduce, on the basis of rear portion, existing exhaust passage intake grill air intake, increase the cooling air quantity in exhaust passage, can more effective reduction exhaust flow temperature, reduce the delivery temperature of catalyst baffler.
These features of the present invention and advantage will be below embodiment, accompanying drawing in detailed exposure.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the schematic internal view of a kind of catalyst baffler of the present invention;
Fig. 2 is the structural representation of a kind of catalyst baffler of the present invention;
Fig. 3 is the heat-insulating shield schematic diagram of a kind of catalyst baffler of the present invention;
Fig. 4 is the erection drawing of a kind of catalyst baffler of the present invention;
Fig. 5 is the spark catching net schematic diagram after installing.
Embodiment
The invention provides a kind of catalyst baffler, comprise baffler body, described baffler body is provided with exhaust passage, waste gas outlet and relief opening, and described exhaust passage sidewall is provided with negative-pressure air-suction hole.Catalyst baffler of the present invention arranges negative-pressure air-suction hole on the sidewall of exhaust passage, utilize underbalance effect that cooling air is introduced in exhaust passage and mixed with waste gas streams from exhaust passage sidewall, thereby reduce the exhaust gas temperature of discharging from relief opening, compared to existing technology, catalyst baffler of the present invention is in combustion gas process, the cooling air that has added exhaust passage sidewall to introduce, on the basis of rear portion, existing exhaust passage intake grill air intake, increase the cooling air quantity in exhaust passage, can more effective reduction exhaust flow temperature, reduce the delivery temperature of catalyst baffler.
Accompanying drawing below in conjunction with the embodiment of the present invention is explained and illustrated the technological scheme of the embodiment of the present invention, but following embodiment is only the preferred embodiments of the present invention, not all.Based on the embodiment in mode of execution, those skilled in the art are other embodiments that obtains under the prerequisite of not making creative work, all belong to protection scope of the present invention.
Shown in Fig. 1, a kind of catalyst baffler, comprise baffler body 1, the exhaust passage 2 connecting before and after being provided with on baffler body 1, exhaust passage 2 front ends are relief opening 5,2 rear ends, exhaust passage are typically provided with a suction port 6, and air enters the temperature of then mixing to reduce high-temp waste gas with high-temp waste gas from suction port 6.Exhaust passage 2 comprises madial wall 21 and outer side wall 22.Wherein, madial wall 21 is provided with the waste gas outlet 3 for combustion gas; Negative-pressure air-suction hole 4 is set on outer side wall 22, and negative-pressure air-suction hole 4 is less than the distance of waste gas outlet 3 to relief opening 5 to the distance of relief opening 5.The waste gas of discharging from waste gas outlet 3 is taken away near air negative-pressure air-suction hole 4, make to be negative pressure state near negative-pressure air-suction hole 4, therefore mix with the waste gas exhaust passage 2 from extraneous air amount endlessly in negative-pressure air-suction hole 4, the more effective temperature that reduces waste gas streams, after testing, delivery temperature can be reduced to 240 ℃ of left and right from 400 ℃ of left and right.Here, when exhaust passage 2 does not arrange suction port 6, be also fine, ambient air can enter in exhaust passage 2 by negative-pressure air-suction hole 4.
In the present embodiment, negative-pressure air-suction hole 4 is fish scale hole, in " in mechanical design handbook " that the specific design in fish scale hole is published with reference to China Chemical Industry press editor, for the description of " ventilator cowling punching (JB/ZQ4262-1997) ", its structure is generally the structure of an opening of three sealings.Shown in seeing figures.1.and.2, fish scale hole is molded in outer side wall upper punch, and it comprises hole wall and the opening 42 of three sealings.Wherein, hole wall comprises main aperture wall 41 and side opening wall 43.In the time of waste gas outlet 3 combustion gas, waste gas streams at a high speed flows through along the inner side surface of the main aperture wall 41 in fish scale hole, take away near the air of opening 42, make to form negative pressure state near opening 42, thereby outside air is entered in exhaust passage 2 along the outer side surface of main aperture wall 41 endlessly.And in the time that waste gas streams flows through the inner side surface of main aperture wall 41, side opening wall 43 can prevent that waste gas from spilling from fish scale hole, make waste gas streams can more take away near the air of opening 42, make near the negative pressure state of opening 42 better.
Shown in Fig. 1, waste gas outlet 3 comprises a dumping-guiding plate 31, and dumping-guiding plate 31 forms angle α with the axial direction of exhaust passage 2, and the angle of the axial direction of the waste gas streams of therefore discharging from waste gas outlet 3 under the guiding of dumping-guiding plate 31 and exhaust passage 2 is also α.In the present embodiment, angle α is 0～90 °.In the time that angle α is 0 °, the waste gas streams of discharging from waste gas outlet 3 is parallel with the axial direction of exhaust passage 2; In the time that angle α is 90 °, the direct vertical impact of waste gas streams of discharging from waste gas outlet 3 is on outer side wall 22, and then past relief opening 5 is mobile, finally discharges from relief opening 5.As preferably, the angle of α is 30 °, can make surface friction drag and the air-flow bounce-back of waste gas streams on the inner side surface of main aperture wall 41 relatively little, and is conducive to structural configuration and realizes; Too small when angle, fish scale hole will be away from waste gas air outlet 3, is not easy to realize on the less baffler of volumetric spaces; Excessive when angle, waste gas streams can rebound during through the inner side surface of main aperture wall 41 and produce eddy current, not only can not form the negative-pressure air-suction effect in fish scale hole, instead can affect the normal discharge of waste gas.
Common, can be at least two fish scale holes of 2 sidewall setting, exhaust passage, to improve air output.In the present invention by least two fish scale holes along exhaust passage 2 axial directional distribution, and the hole depth at least two fish scale holes reduces gradually along airflow direction, with reference to 1,2, in the present embodiment, exhaust passage 2 sidewalls are provided with two fish scale holes along exhaust passage 2 axial directional distribution, and the hole depth in the fish scale hole of close waste gas outlet 3 is H1, and the hole depth in the fish scale hole of close relief opening 5 is H2, H1 is greater than H2, and the difference of H1 and H2 is generally at 1～3mm.And the hole depth in fish scale hole increases gradually or hole depth equates, also can reach same effect, all can make high-speed exhaust gas stream flow through along the inner side surface of the main aperture wall 41 in each fish scale hole.
Meanwhile, the distance between described negative-pressure air-suction hole 4 and waste gas outlet 3 is 5～40mm.Can make negative-pressure air-suction hole 4 all the time in the airflow range of the waste gas streams in discharging from waste gas outlet 3, that is to say, waste gas streams can be taken away near air negative-pressure air-suction hole 4 in this distance range, guarantees that near negative pressure effect negative-pressure air-suction hole 4 can suck ambient air.
Shown in Fig. 3, catalyst baffler of the present invention also comprises heat-insulating shield, and heat-insulating shield covers on baffler body, is provided with vent 71 on the position in corresponding negative-pressure air-suction hole, guarantees the air draught effect in negative-pressure air-suction hole.
Meanwhile, heat-insulating shield is provided with the spark catching net 72 that blocks exhaust ports, and, on heat-insulating shield, being also provided with a fixed hole, screw 73 through fixed hole, spark catching net 72, is fixed on spark catching net 72 on heat-insulating shield successively.
Shown in Fig. 5,, spark catching net 72 is bending structure, and bending part one end is used for blocking relief opening 5, and the other end is fixed on by screw 73 on the cover body of heat-insulating shield 7, and the other end of screw 73 is fixing by nut 75.
Shown in Fig. 2 and Fig. 4, a pilot hole 8 is set on baffler body 1, the position of pilot hole 8 is corresponding with the fixed hole on heat-insulating shield 7.In assembling baffler body 1 and heat-insulating shield 7, can pass through screw 73, through the pilot hole 8 on baffler body 1 and the fixed hole on heat-insulating shield 7, and then connect upper cap nut 75 at the end of screw 73, heat-insulating shield 7 is fixed on baffler body 1.Here, spark catching net 72 is fixed between baffler body 1 and heat-insulating shield 7.By pilot hole 8 is opened in to the position corresponding with fixed hole, can fix baffler body 1 and heat-insulating shield 7 with same screw 73, heat-insulating shield 7 and spark catching net 72 simultaneously.Do not need separately to establish loaded down with trivial details fixed mechanism.
In the present embodiment, exhaust passage is shaped on baffler body, makes the sealing effect of exhaust passage good, and the waste gas in exhaust passage does not escape to outside exhaust passage.
Except above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.

Claims (8)

1. a catalyst baffler, comprises baffler body, and described baffler body is provided with exhaust passage, waste gas outlet and relief opening, it is characterized in that: described exhaust passage sidewall is provided with negative-pressure air-suction hole.
2. a kind of catalyst baffler according to claim 1, is characterized in that: described negative-pressure air-suction hole is fish scale hole.
3. a kind of catalyst baffler according to claim 2, is characterized in that: described negative-pressure air-suction hole is less than the distance of described waste gas outlet to relief opening to the distance of relief opening.
4. a kind of catalyst baffler according to claim 2, it is characterized in that: described exhaust passage sidewall is provided with at least two fish scale holes along exhaust passage axial directional distribution, and the hole depth at least two described fish scale holes reduces gradually or increases gradually along airflow direction.
5. a kind of catalyst baffler according to claim 1, is characterized in that: between the outgassing direction of described waste gas outlet and the axial direction of described exhaust passage, form 0～90 ° of angle.
6. a kind of catalyst baffler according to claim 5, is characterized in that: between the outgassing direction of described waste gas outlet and the axial direction of described exhaust passage, form 30 ° of angles.
7. according to a kind of catalyst baffler described in claim 1 to 6 any one, it is characterized in that: described catalyst baffler also comprises the heat-insulating shield being located on described baffler body, and described heat-insulating shield is provided with the vent corresponding with negative-pressure air-suction hole.
8. a kind of catalyst baffler according to claim 7, is characterized in that: on described heat-insulating shield, be also provided with the spark catching net blocking in described exhaust ports, described spark catching net is fixed by screws on described heat-insulating shield.
CN201410033249.2A 2014-01-23 2014-01-23 Catalyzer silencer Pending CN103806983A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410033249.2A CN103806983A (en) 2014-01-23 2014-01-23 Catalyzer silencer
PCT/CN2014/073265 WO2015109641A1 (en) 2014-01-23 2014-03-12 Catalyst muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410033249.2A CN103806983A (en) 2014-01-23 2014-01-23 Catalyzer silencer

Publications (1)

Publication Number Publication Date
CN103806983A true CN103806983A (en) 2014-05-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410033249.2A Pending CN103806983A (en) 2014-01-23 2014-01-23 Catalyzer silencer

Country Status (2)

Country Link
CN (1) CN103806983A (en)
WO (1) WO2015109641A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939485A (en) * 2017-11-10 2018-04-20 陈应宪 Automobile exhaust gas processing apparatus
CN110118114A (en) * 2019-02-28 2019-08-13 浙江亚特电器有限公司 A kind of exhaust structure for muffler of four-stroke gasoline engine chain saw

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006200445A (en) * 2005-01-20 2006-08-03 Nissan Motor Co Ltd Exhaust system
CN101473114A (en) * 2006-06-21 2009-07-01 富世华智诺株式会社 Muffler
CN102032202A (en) * 2010-12-19 2011-04-27 王政玉 Gas extracting and exhausting device
CN102042061A (en) * 2009-10-19 2011-05-04 迪尔公司 Device for cooling an exhaust gas stream
CN202690177U (en) * 2012-05-28 2013-01-23 浙江亚特电器有限公司 Catalytic muffler capable of reducing temperature of exhaust gas
CN203769883U (en) * 2014-01-23 2014-08-13 浙江亚特电器有限公司 Catalytic muffler

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539516A1 (en) * 1975-09-05 1977-04-07 Boysen Friedrich Kg Silencer for hand held IC engine - has outlet injector for cooling air to mix with exhaust in diffusing action
JP2000018033A (en) * 1998-06-30 2000-01-18 Shin Daiwa Kogyo Co Ltd Exhaust structure of engine
US8056327B2 (en) * 2006-04-25 2011-11-15 International Truck Intellectual Property Company, Llc Micro-venturi exhaust cooling device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006200445A (en) * 2005-01-20 2006-08-03 Nissan Motor Co Ltd Exhaust system
CN101473114A (en) * 2006-06-21 2009-07-01 富世华智诺株式会社 Muffler
CN102042061A (en) * 2009-10-19 2011-05-04 迪尔公司 Device for cooling an exhaust gas stream
CN102032202A (en) * 2010-12-19 2011-04-27 王政玉 Gas extracting and exhausting device
CN202690177U (en) * 2012-05-28 2013-01-23 浙江亚特电器有限公司 Catalytic muffler capable of reducing temperature of exhaust gas
CN203769883U (en) * 2014-01-23 2014-08-13 浙江亚特电器有限公司 Catalytic muffler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939485A (en) * 2017-11-10 2018-04-20 陈应宪 Automobile exhaust gas processing apparatus
CN110118114A (en) * 2019-02-28 2019-08-13 浙江亚特电器有限公司 A kind of exhaust structure for muffler of four-stroke gasoline engine chain saw
CN110118114B (en) * 2019-02-28 2023-10-13 浙江亚特电器股份有限公司 Muffler exhaust structure of four-stroke petrol engine chain saw

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Application publication date: 20140521