CN2786288Y - Muffler in automobile exhaust heater - Google Patents

Muffler in automobile exhaust heater Download PDF

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Publication number
CN2786288Y
CN2786288Y CNU200520018323XU CN200520018323U CN2786288Y CN 2786288 Y CN2786288 Y CN 2786288Y CN U200520018323X U CNU200520018323X U CN U200520018323XU CN 200520018323 U CN200520018323 U CN 200520018323U CN 2786288 Y CN2786288 Y CN 2786288Y
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CN
China
Prior art keywords
silencing apparatus
hush tube
vehicle exhaust
tail gas
heat exchanger
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 - Lifetime
Application number
CNU200520018323XU
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Chinese (zh)
Inventor
李堪风
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.)
New South heating refrigeration (Cangzhou) Co., Ltd.
Original Assignee
HEBEI NANFENG AUTOMOBILE EQUIPMENT (GROUP) 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 HEBEI NANFENG AUTOMOBILE EQUIPMENT (GROUP) CO Ltd filed Critical HEBEI NANFENG AUTOMOBILE EQUIPMENT (GROUP) CO Ltd
Priority to CNU200520018323XU priority Critical patent/CN2786288Y/en
Application granted granted Critical
Publication of CN2786288Y publication Critical patent/CN2786288Y/en
Anticipated expiration legal-status Critical
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00Structure or shape of gas passages, pipes or tubes
    • F01N2470/08Gas passages being formed between the walls of an outer shell and an inner chamber
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving 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)
  • Exhaust Silencers (AREA)

Abstract

The utility model relates to a muffler in an automobile tail gas heater, which comprises a heat exchanger and a muffling body, wherein the heat exchanger is provided with a tail gas inlet pipe and a tail gas exhaust pipe; the heat exchanger comprises an outer sleeve and an inner sleeve, and a water passage is formed between the outer sleeve and the inner sleeve; the outer sleeve is provided with a water inlet and a water outlet; the inner wall of the inner sleeve is provided with heat conductive sheets; the muffling body arranged in the inner sleeve comprises a first muffling pipe and a second muffling pipe; the first muffling pipe and the second muffling pipe are respectively connected with the tail gas inlet pipe and the tail gas exhaust pipe. Because the heat exchanger of the utility model is provided with a tail gas passage surrounded by the U-shaped conductive sheets and the water passage surrounding the tail gas passage, the danger that the automobile tail gas enters an automobile compartment along an air passage, causing poisoning accidents is eliminated; fins on the heat conductive sheets effectively increase the heat exchanging area between the heat conductive sheets and gas media, and the heat conductivity is enhanced; the utility model also has the advantages of simple structure, easy maintenance, long service life, high heat exchanging rate, energy saving and environment protection.

Description

Vehicle exhaust heating silencing apparatus
Technical field
The utility model relates to a kind of motor vehicle cabin heating heater assembly, particularly a kind of vehicle exhaust heating silencing apparatus that is used for the vehicle exhaust heating equipment.
Technical background
As everyone knows, in the season of cold, must be equipped with heating system in the automobile bodies, the difference of pressing the medium of its heating can be divided into two kinds of forms again substantially, comprises two kinds of the warm hot-water heatings of wind.What adopt usually at present is free-standing fuel heater, and this class heating system has the good advantage of heating effect, and still, because complex structure, cost is higher, and needs the fuel of consume valuable, has limited using scope to a certain extent.
In the prior art, the warm type heater exhaust gas of wind is to utilize the waste heat of tail gas by heat exchanger its ambient air to be heated, and utilizes induced draught fan that hot air is introduced the purpose that heating is realized in the compartment then.The prior art has advantages such as simple in structure, energy-conservation.But there is such structural imperfection in present warm-air drier, the first, and when air passageways partly occurred being connected flaw with exhaust gas channel in heat exchanger, vehicle exhaust can enter automobile bodies with air passageways, thus the intoxication accident of causing; The second, complex structure, installation and maintenance inconvenience, and be difficult for decarbonizing.
People also attempt water-heating type and the warm type of wind are combined, and have avoided vehicle exhaust to enter the possibility that the compartment causes poisoning, and with the humid air moist, feel comfortable, but the problems such as inconvenience, carbon distribution of installing fail always to solve at all.
For this reason, the artificial head it off of the design, be to be determined to be engaged in the many years of experience that related domain is made, researched and developed with it, expect and to develop practical device, finally well-designedly after repeatedly exploitation improvement go out vehicle exhaust heating silencing apparatus of the present utility model, it can overcome the shortcoming of above-mentioned prior art fully, in fact is one to have the model utility of industry applications.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of vehicle exhaust heating silencing apparatus, give the heating of the water in the water channel by the heat exchange sheet that is arranged in the exhaust gas channel, effectively improve the heat conducting while, be convenient to decarbonizing owing to adopt detachable structure, in addition, by the orifice-plate type noise elimination structure is set, effectively absorb sound wave, thereby realized the unification of heating and noise elimination, overcome in the prior art owing to use the narrow problem that difficulty is installed that causes of vehicle space.
For this reason, the utility model provides a kind of vehicle exhaust heating silencing apparatus, this vehicle exhaust heating silencing apparatus has heat exchanger and muffler body, wherein heat exchanger is provided with the tail gas suction tude, exhaust pipe, described heat exchanger has cover in an overcoat and, between described overcoat and interior cover, constitute a water channel, outside described, put and be provided with water intake and water outlet, in described, be provided with heat exchange sheet on the cover inwall, described muffler body is arranged in the described interior cover, described muffler body comprises first hush tube and second hush tube, described first, second hush tube is connected with exhaust pipe with the tail gas suction tude respectively.
Aforesaid vehicle exhaust heating silencing apparatus wherein, is provided with at least one group of heat exchange sheet in the above-mentioned heat exchanger, every group of heat exchange sheet is made of most sheets, on the interior jacket wall that along the circumferential direction evenly is fixed on heat exchanger.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, described heat exchange sheet is " U " shape heat exchange sheet, the base of being somebody's turn to do " U " shape heat exchange sheet is connected with the interior cover wall of described heat exchanger, at the relative dual-side that constitutes its " U " shape, be respectively equipped with two row's fins of longitudinally arranging, and this fin tilts with the longitudinal axis outside of an angle of inclination to heat exchange sheet.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, the angle between described fin and heat exchange sheet is more than or equal to 0 °, and smaller or equal to 90 °, and the above-mentioned two row's fins that are oppositely arranged longitudinally tilt respectively in the opposite direction.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, described first hush tube and second hush tube are dismountable minute body structure, wherein the tail pipe of second hush tube removably is connected with the exhaust pipe of heat exchanger.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, described first hush tube and second hush tube are an overall structure, and axially be provided with along vehicle exhaust heating silencing apparatus, the centre is provided with dividing plate, described tail gas suction tude is fixedlyed connected with the two end plates of vehicle exhaust heating silencing apparatus respectively with described exhaust pipe, and connects described first hush tube and second hush tube respectively.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, described first hush tube and second hush tube are the quadrature setting, one of them hush tube radially is provided with along vehicle exhaust heating silencing apparatus, described another hush tube axially is provided with along vehicle exhaust heating silencing apparatus, and respectively be arranged on tail gas heating silencing apparatus peripheral wall or end plate on described tail gas suction tude be connected with exhaust pipe.
Aforesaid vehicle exhaust heating silencing apparatus wherein, is provided with the spirality water conservancy diversion wire rod that along the circumferential direction twines in the described water channel, the water conservancy diversion wire rod originates in water intake and ends at water outlet.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, the two end part of described vehicle exhaust heating silencing apparatus are provided with end plate respectively, and described first hush tube and second hush tube are fixed on the heat exchanger, the airtight setting of exhaust gas channel of whole tail gas heating silencing apparatus.
Aforesaid vehicle exhaust heating silencing apparatus, wherein, described " U " shape heat exchange sheet is two groups, is set up in parallel circumferencial direction at interior jacket wall along the y direction of vehicle exhaust heating silencing apparatus.
Advantage and characteristics that vehicle exhaust heating silencing apparatus of the present utility model compared with prior art possesses are:
Heat exchanger in the vehicle exhaust of the present utility model heating silencing apparatus have by " U " shape conductive sheet around exhaust gas channel and around the water channel of exhaust gas channel, having got rid of vehicle exhaust can enter automobile bodies with air passageways, causes the danger of intoxication accident.Because the fin at ten several pieces angles of inclination longitudinally is set on the heat exchange sheet of heat exchanger, the tight seam of the inwall of this heat exchange sheet and heat exchanger, thereby increased heat exchange area effectively with gas medium, improved pyroconductivity, and because heat exchange sheet is provided with fin, increase the tail gas disturbance, thereby strengthen heat exchange, flow perturbation increase simultaneously also makes the carbon granule in the tail gas be difficult for deposition, in case deposition also is easy to remove; The application of heat exchange sheet makes the diffuse reflection of sound wave increase equally, plays certain noise elimination effect.This tail gas heating silencing apparatus is all made of stainless steel material, has improved its working life.The utility model vehicle exhaust heating acoustic wave filter structure is simple, easy for installation, is easy to safeguard, and long service life, the rate of heat exchange height, more energy-conservation, the protection environment.
Description of drawings
Fig. 1 is vehicle exhaust heating silencing apparatus one an embodiment's of the present utility model structural representation;
Fig. 2 is a right elevation embodiment illustrated in fig. 1;
Fig. 3 is the schematic representation of " U " shape heat exchange sheet of heat exchanger among Fig. 1 embodiment illustrated in fig. 1;
Fig. 4 is another embodiment's of a vehicle exhaust heating silencing apparatus of the present utility model structural representation;
Fig. 5 be embodiment illustrated in fig. 1 in along the schematic cross-section of A-A;
Fig. 6 is in the vehicle exhaust heating silencing apparatus of the present utility model and the schematic representation of the joining metallic hose of intake-outlet.
Embodiment
Now contrast accompanying drawing, describe structure, function and the effect of vehicle exhaust heating silencing apparatus of the present utility model in detail.
At first see also Fig. 1, it is vehicle exhaust heating silencing apparatus one an embodiment's of the present utility model structural representation.As seen from the figure, vehicle exhaust heating silencing apparatus of the present utility model comprises heat exchanger and muffler body, wherein heat exchanger is provided with tail gas suction tude 1, exhaust pipe 2, described heat exchanger has cover 4 in an overcoat 3 and, between described overcoat 3 and interior cover 4, constitute a water channel 5, on described overcoat 3, be provided with water intake 6 and water outlet 7, water intake 6 and water outlet 7 are provided with screw thread, this water intake 6 and water outlet 7 are threaded with two metallic hoses 21 respectively, the structure of metallic hose 21 is seen Fig. 6, certainly, also can adopt other suitable connection flexible pipe.In described, be provided with some heat exchange sheets 8 on cover 4 inwalls, described muffler body is arranged in the described interior cover 4, described muffler body comprises first hush tube 9 and second hush tube 10, and described first hush tube 9 is connected with tail gas suction tude 1, and described second hush tube 10 is connected with exhaust pipe 2.
As shown in Figure 1, in the interior cover 4 of described heat exchanger, be provided with at least one group of heat exchange sheet 8 along vehicle exhaust heating silencing apparatus y direction, in the present embodiment on y direction, to be set up in parallel two groups.Described heat exchange sheet 8 can adopt any feasible shape, adopted " U " shape structure in the present embodiment, as shown in Figure 3, schematic representation for " U " shape heat exchange sheet 8, on the relative dual-side 80 that constitutes its " U " shape, be respectively equipped with two row's fins 11 of longitudinally arranging, this fin 11 tilts to the y direction outside of heat exchange sheet 8 with angle α, this α angle is 0 °≤α≤90 °, and these two row's fins 11 that are oppositely arranged longitudinally tilt respectively in the opposite direction.As can be seen from Fig. 2, in above-mentioned heat exchanger, constitute one group by some " U " shape heat exchange sheet 8, every group of " U " shape heat exchange sheet 8 is arranged on the wall of the interior cover 4 of heat exchanger for even seam along the circumferential direction, as " U " shape heat exchange sheet 8 and 4 roll weldings of interior cover being welded.
See Fig. 1, described first hush tube 9 and second hush tube 10 are provided with sound attenuation hole 12, can prepare first hush tube 9 and second hush tube 10 by orifice plate.Described first hush tube 9 and second hush tube 10 can be split type demountable structure, and wherein the tail pipe 18 of second hush tube assigns in the exhaust pipe 2 of heat exchanger.Described first hush tube 9 and second hush tube 10 also can be structure as a whole, as in the present embodiment, described first hush tube 9 and second hush tube 10 are an overall structure, it axially is provided with along vehicle exhaust heating silencing apparatus, separates described first hush tube 9 of formation and second hush tube 10 by the dividing plate 13 that the centre is provided with.Described tail gas suction tude 1 and described exhaust pipe 2 are positioned at the two end part of vehicle exhaust heating silencing apparatus.The two end part of this vehicle exhaust heating silencing apparatus are provided with end plate 14 respectively, and above-mentioned tail gas suction port 1 is fixedlyed connected with two end plates 14 respectively with tail gas relief opening 2, and extend out to its outside.Described first hush tube 9 and second hush tube 10 are fixed on the heat exchanger, thereby make the airtight setting of exhaust gas channel of whole tail gas heating silencing apparatus.
Be provided with the spirality water conservancy diversion wire rod 15 that along the circumferential direction twines in the described water channel 5, water conservancy diversion wire rod 15 originates in water intake 6 and ends at water outlet 7.On described heat exchanger overcoat 3, be provided with the bleed valve 16 and the drain screw 17 that are communicated with described water channel 5.
Fig. 4 is another embodiment's of a vehicle exhaust heating silencing apparatus of the present utility model structural representation, and in the present embodiment, identical part adopts identical label.Embodiment's difference is described first hush tube 9 ' and 10 ' the quadrature setting of second hush tube among this embodiment and Fig. 1, promptly, radially be provided with along vehicle exhaust heating silencing apparatus for described first hush tube 9 ' in the embodiment shown in fig. 4, described second hush tube 10 ' axially is provided with along vehicle exhaust heating silencing apparatus, described tail gas suction tude 1 ' is positioned on the vehicle exhaust heating silencing apparatus peripheral wall, and is connected with described first hush tube 9 '; Described exhaust pipe 2 ' is positioned at an end of vehicle exhaust heating silencing apparatus, fixedlys connected with described end plate 14, and is connected with above-mentioned second hush tube 10 '.Certainly, also described first hush tube 9 ' and tail gas suction tude 1 ' can be provided with vertically as required, and described second hush tube 10 ' and exhaust pipe 2 ' are disposed radially.
Fig. 6 is the concrete structure figure of the metallic hose 21 that is connected with the heat exchanger intake-outlet, wherein collar nut 19 links to each other with heat exchanger intake- outlet 6,7, metal bellows 20 parts are that stainless steel is made, can be crooked, and stainless steel joint for pipeline is connected with water circulation pipe on the car.The effect of metallic hose is the tail gas heating silencing apparatus of the rubber pipe of water circulation system and high temperature is separated, thereby avoids the infringement of high temperature.
The working principle of vehicle exhaust heating silencing apparatus of the present utility model now is described with the embodiment shown in Fig. 1.Vehicle exhaust heating silencing apparatus of the present utility model as shown in Figure 1 is made up of the two large divisions substantially, first portion is that its central diaphragm 13 is divided into first hush tube 9 and second hush tube 10 with hush tube by suction tude 1, end plate 14, hush tube 9,10, dividing plate 13, the fixing muffler body formed of tail pipe 18; Second portion is the heat exchanger of being made up of intake- outlet 6,7, bleed valve 16, overcoat 3, interior cover 4, water conservancy diversion wire rod 15, outlet pipe 2, heat exchange sheet 8, drain screw 17, and two groups of heat exchange sheets 8 minutes axially are provided with along heat exchanger, first group of heat exchange sheet 8 formed by some, and evenly weldering and in heat exchanger on the cover 4 along the circumferential direction.Hush tube and heat exchanger are demountable structure, and both are tightened together by screw in the present embodiment.Suction tude 1 is connected on the engine exhaust pipe, high-temperature tail gas enters first hush tube, 9 inside through suction tude 1, because stopping of dividing plate 13, circular hole 12 radial the enter heat exchanger inner chambers of tail gas around first hush tube 9, simultaneously, sound wave is to diffusion all around, the sound intensity weakens, next the high-temperature tail gas conduction of first group of heat exchange sheet 8 on the cover 4 in the heat exchanger of flowing through, the heat of high-temperature tail gas and heat exchange sheet carry out heat exchange, and be special because the existence of special fin on the heat exchange sheet strengthens flow perturbation, heat exchange is more abundant, the sound intensity further reduces simultaneously, and next tail gas stream is through second group of heat exchange sheet, and principle is the same, finish the second step heat exchange, the circular hole 12 of tail gas around second hush tube 10 of finishing heat exchange enters second hush tube 10, discharges through outlet pipe 2 then, and sound wave is through the sudden expansion and sudden contraction two secondary actions of hush tube, the sound intensity obtains maximum to be weakened, and finishes the noise elimination process; Water in the circulation waterway is under the effect of water pump pump circulation, flow to heat exchanger inside by water intake 6, and heat exchanger overcoat 3 and interior cover 4 are formed a water channel 5, water conservancy diversion wire rod 15 in the water channel 5 shape in the shape of a spiral distributes, under its effect, water is compelled to flow along Hand of spiral, so that the heat in water and interior cover 4 and the heat exchange sheet fully exchanges, the water of then finishing heat exchange flows out through water outlet 7.In the process of above gas, liquid heat exchange, because the existence of fin 11 on the heat exchange sheet 8 has strengthened the disturbance of tail gas stream, strengthened the noise elimination effect, make the carbon granule in the tail gas be difficult for deposition, increased effective heat absorption area greatly simultaneously, improved the thermal efficiency.Because this vehicle exhaust heating silencing apparatus is a demountable structure, can clear up carbon distribution and maintaining very easily.The effect of bleed valve 16 is the air scavenge that help in the water circulation system, 17 drainages of drain screw.
The above person only; only be specific embodiment of the utility model, when can not with the scope implemented of qualification the utility model, so the displacement of its equivalent assemblies; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims (10)

1, a kind of vehicle exhaust heating silencing apparatus, it is characterized in that: this vehicle exhaust heating silencing apparatus has heat exchanger and muffler body, wherein heat exchanger is provided with the tail gas suction tude, exhaust pipe, described heat exchanger has cover in an overcoat and, between described overcoat and interior cover, constitute a water channel, outside described, put and be provided with water intake and water outlet, in described, be provided with heat exchange sheet on the cover inwall, described muffler body is arranged in the described interior cover, described muffler body comprises first hush tube and second hush tube, described first, second hush tube is connected with exhaust pipe with the tail gas suction tude respectively.
2, vehicle exhaust heating silencing apparatus as claimed in claim 1, it is characterized in that: be provided with at least one group of heat exchange sheet in the above-mentioned heat exchanger, every group of heat exchange sheet is made of most sheets, on the interior jacket wall that along the circumferential direction evenly is fixed on heat exchanger.
3, vehicle exhaust heating silencing apparatus as claimed in claim 2, it is characterized in that: described heat exchange sheet is " U " shape heat exchange sheet, the base of being somebody's turn to do " U " shape heat exchange sheet is connected with the interior cover wall of described heat exchanger, at the relative dual-side that constitutes its " U " shape, be respectively equipped with two row's fins of longitudinally arranging, and this fin tilts with the longitudinal axis outside of an angle of inclination to heat exchange sheet.
4, vehicle exhaust heating silencing apparatus as claimed in claim 3 is characterized in that: the angle between described fin and heat exchange sheet is more than or equal to 0 °, and smaller or equal to 90 °, and the above-mentioned two row's fins that are oppositely arranged longitudinally tilt respectively in the opposite direction.
5, vehicle exhaust heating silencing apparatus as claimed in claim 1, it is characterized in that: described first hush tube and second hush tube are dismountable minute body structure, wherein the tail pipe of second hush tube removably is connected with the exhaust pipe of heat exchanger.
6, vehicle exhaust heating silencing apparatus as claimed in claim 1, it is characterized in that: described first hush tube and second hush tube are an overall structure, and axially be provided with along vehicle exhaust heating silencing apparatus, the centre is provided with dividing plate, described tail gas suction tude is fixedlyed connected with the two end plates of vehicle exhaust heating silencing apparatus respectively with described exhaust pipe, and connects described first hush tube and second hush tube respectively.
7, as claim 1 or 5 described vehicle exhaust heating silencing apparatuss, it is characterized in that: described first hush tube and second hush tube are the quadrature setting, one of them hush tube radially is provided with along vehicle exhaust heating silencing apparatus, described another hush tube axially is provided with along vehicle exhaust heating silencing apparatus, and respectively be arranged on tail gas heating silencing apparatus peripheral wall or end plate on described tail gas suction tude be connected with exhaust pipe.
8, as each described vehicle exhaust heating silencing apparatus of claim 1 to 6, it is characterized in that: be provided with the spirality water conservancy diversion wire rod that along the circumferential direction twines in the described water channel, the water conservancy diversion wire rod originates in water intake and ends at water outlet.
9, as each described vehicle exhaust heating silencing apparatus of claim 1 to 6, it is characterized in that: the two end part of described vehicle exhaust heating silencing apparatus are provided with end plate respectively, described first hush tube and second hush tube are fixed on the heat exchanger, the airtight setting of exhaust gas channel of whole tail gas heating silencing apparatus.
10, as claim 3 or 4 described vehicle exhausts heating silencing apparatuss, it is characterized in that: described " U " shape heat exchange sheet is two groups, is set up in parallel circumferencial direction at interior jacket wall along the y direction of vehicle exhaust heating silencing apparatus.
CNU200520018323XU 2005-04-27 2005-04-27 Muffler in automobile exhaust heater Expired - Lifetime CN2786288Y (en)

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Application Number Priority Date Filing Date Title
CNU200520018323XU CN2786288Y (en) 2005-04-27 2005-04-27 Muffler in automobile exhaust heater

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Application Number Priority Date Filing Date Title
CNU200520018323XU CN2786288Y (en) 2005-04-27 2005-04-27 Muffler in automobile exhaust heater

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Publication Number Publication Date
CN2786288Y true CN2786288Y (en) 2006-06-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476828B (en) * 2009-01-08 2010-06-02 刘福贵 Helical silencing heat exchanger
CN102140952A (en) * 2010-09-25 2011-08-03 苏州派格力减排***有限公司 Tail gas heater
CN104085269A (en) * 2014-05-26 2014-10-08 张正泉 Warming heat exchanger with noise elimination function
CN105679301A (en) * 2016-03-30 2016-06-15 武汉理工大学 Detachable sectional type thermoelectric power generation heat exchanger and muffler combined device
WO2017144484A1 (en) * 2016-02-26 2017-08-31 Rmb / Energie Gmbh Device for treating an exhaust gas stream

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476828B (en) * 2009-01-08 2010-06-02 刘福贵 Helical silencing heat exchanger
CN102140952A (en) * 2010-09-25 2011-08-03 苏州派格力减排***有限公司 Tail gas heater
CN104085269A (en) * 2014-05-26 2014-10-08 张正泉 Warming heat exchanger with noise elimination function
WO2017144484A1 (en) * 2016-02-26 2017-08-31 Rmb / Energie Gmbh Device for treating an exhaust gas stream
CN105679301A (en) * 2016-03-30 2016-06-15 武汉理工大学 Detachable sectional type thermoelectric power generation heat exchanger and muffler combined device
CN105679301B (en) * 2016-03-30 2019-11-26 武汉理工大学 A kind of removable segmented thermo-electric generation heat exchanger silencer combination unit

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: XINNANFENG HEATING AND COOLING (CANGZHOU) CO., LTD

Free format text: FORMER OWNER: HEBEI NANFENG AUTOMOBILE EQUIPMENT (GROUP ) CO., LTD.

Effective date: 20150215

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150215

Address after: 061503 Cangzhou city Hebei town huma County of Nanpi Province

Patentee after: New South heating refrigeration (Cangzhou) Co., Ltd.

Address before: 061503 Nanpi County of Hebei province Wumaying Industrial Zone

Patentee before: Hebei Nanfeng Automobile Equipment (Group) Co., Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20150427

Granted publication date: 20060607