CN109296423A - It is provided with the fluid drainage slot of exhaust system - Google Patents

It is provided with the fluid drainage slot of exhaust system Download PDF

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Publication number
CN109296423A
CN109296423A CN201810806763.3A CN201810806763A CN109296423A CN 109296423 A CN109296423 A CN 109296423A CN 201810806763 A CN201810806763 A CN 201810806763A CN 109296423 A CN109296423 A CN 109296423A
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CN
China
Prior art keywords
heating element
heating
fluid
exhaust system
side wall
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
CN201810806763.3A
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Chinese (zh)
Inventor
W-F·夏
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN109296423A publication Critical patent/CN109296423A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066Selective catalytic reduction [SCR]
    • 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
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/10Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406Storage means for substances, e.g. tanks or reservoirs
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Fluid drainage slot includes the pedestal with interior base surface and outer bottom seating face;First end wall, the second end wall, the first side wall and second sidewall, each wall extend from pedestal and have the inner surface and the outer surface.First heating element is arranged in fluid drainage slot.

Description

It is provided with the fluid drainage slot of exhaust system
Introduction
This disclosure relates to be provided with the fluid drainage slot of exhaust system.
Certain vehicles include diesel engine, may be provided with the amount for being configured to reduce the predetermined component of vehicle discharge Exhaust system.Exhaust system is using fluid mixed with exhaust before the external operating environment for being discharged into vehicle.Fluid can It is stored in holding tank, it can the icing when vehicle is exposed to freezing temperature.
Accordingly, it is desirable to provide the fluid drainage system can be antifreeze to the fluid being storable in holding tank or thawed System.
Summary of the invention
In one exemplary embodiment, a kind of exhaust system is provided.The exhaust system includes extending from internal combustion engine Delivery pipe and the fluid discharge system for being operatively coupled to delivery pipe.Fluid discharge system is configured to spurt into fluid drainage In delivery pipe.The fluid discharge system includes fluid drainage slot and the heating system that is arranged in fluid drainage slot.Fluid drainage Slot has a pedestal, which has interior base surface and an outer bottom seating face, and each interior base surface and outer bottom seating face are the Extend between one end wall, the second end wall, the first side wall and second sidewall, each wall has the inner surface and the outer surface.
In addition to one or more features described herein, heating system includes the first heating being arranged on interior base surface Element.
In addition to one or more features described herein, heating system includes being arranged in the first side wall and second sidewall The second heating element on the inner surface of at least one.
In addition to one or more features described herein, the first heating element is spray deposited in interior susceptor surface, and Second heating element is spray deposited on the inner surface of at least one of the first side wall and second sidewall.
In addition to one or more features described herein, the first heating element and the second heating element are conductive coating.
In addition to one or more features described herein, at least one of the first heating element and the second heating element On be disposed with heat conducting coating.
In addition to one or more features described herein, cloth at least one of the first heating element and the second heating element It is equipped with solid slab.
In addition to one or more features described herein, heating system includes being arranged in interior base surface and outer bottom seating face Between the first heating element.
In addition to one or more features described herein, heating system includes being arranged in the first side wall and second sidewall extremely The second heating element in few one the inner surface and the outer surface.
In addition to one or more features described herein, heating system, which is included between the first side wall and second sidewall, to be extended The first heating element.
In addition to one or more features described herein, the first heating element is engaged with interior base surface.
In addition to one or more features described herein, heating system includes being spaced apart with the first heating element and first The second heating element extended between side wall and second sidewall.
In addition to one or more features described herein, the second heating element is engaged with interior base surface.
In addition to one or more features described herein, third heating element is arranged on outer bottom seating face.
In addition to one or more features described herein, internal combustion engine is diesel engine.
In a further exemplary embodiment, a kind of fluid drainage slot is provided.The fluid drainage slot includes having interior base The pedestal on surface and outer bottom seating face;First end wall, the second end wall, the first side wall and second sidewall, each wall prolong from pedestal It stretches and there is the inner surface and the outer surface;And it is arranged in the first heating element between interior base surface and outer bottom seating face.
In addition to one or more features described herein, the second heating element is arranged in the first side wall and second sidewall extremely Between few one the inner surface and the outer surface.
In yet another exemplary embodiment, a kind of fluid drainage slot is provided.The fluid drainage slot includes pedestal, the pedestal With the interior base surface and outer bottom seating face extended between the first end wall, the second end wall, the first side wall and second sidewall, often A wall all extends from pedestal and has the inner surface and the outer surface.Fluid drainage slot further comprises being arranged on interior base surface The first heating element.
In addition to one or more features described herein, the second heating element is arranged in the first side wall and second sidewall extremely On at least one inner surface in one few.
In addition to one or more features described herein, the discharge system of the post-processing for diesel emissions is provided System.
In conjunction with attached drawing, the features described above and advantage and other feature and advantage of the disclosure show from the following detailed description and It is clear to.
Detailed description of the invention
Only by example, other features, advantage and details are shown in the following detailed description, are described in detail referring to attached Figure, in which:
Fig. 1 is the schematic side elevation of exhaust system;
Fig. 2 is the schematic cross sectional views of fluid drainage slot;
Fig. 3 is the partial sectional view of the heating system of fluid drainage slot;
Fig. 4 is the partial sectional view of the heating system of fluid drainage slot;And
Fig. 5 is the partial sectional view of the heating system of fluid drainage slot.
Specific embodiment
It is described below and is merely illustrative in nature, it is not intended to limit the disclosure, its application or purposes.
Accoding to exemplary embodiment, Fig. 1 shows exhaust system 10.Exhaust system 10 may be provided at comprising internal combustion engine 12, all On such as vehicle of petrol engine, diesel engine, mixed fuel engine, fuel cell.Exhaust system 10 is arranged to Post-processing for exhaust.
Exhaust system 10 includes delivery pipe 20 and fluid discharge system 22.Delivery pipe 20 is operatively coupled to internal combustion engine 12, And extend from internal combustion engine 12.Delivery pipe 20 directs exhaust gas through emissions processes device and noise attentuation dress from internal combustion engine 12 It sets.Delivery pipe 20 limits the jet port 30 that fluid discharge system 22 is fluidly connected to delivery pipe 20.
Fluid discharge system 22 is operatively coupled to delivery pipe 20 via jet port 30.Fluid discharge system 22 can be diesel oil Fluid discharge system is configured to fluid drainage 40 spurting into delivery pipe 20 to be used for the post-processing of diesel exhaust gas, to drop The concentration of the low certain emission components being likely to be present in exhaust or compound.Fluid discharge system 22 includes fluid drainage slot 42, fluid discharge pump 44 and heating system 46.
As shown in Figure 1, fluid drainage slot 42 is located near delivery pipe 20, and it is arranged as storage fluid drainage 40.Reference Fig. 1,2 and 3, fluid drainage slot 42 include pedestal 50, the first side wall 52, second sidewall 54, the first end wall 56,58 and of the second end wall Lid 60.
Pedestal 50 includes interior base surface 70 and the outer bottom seating face 72 for being arranged in 70 opposite of interior base surface.The first side wall 52 and second sidewall 54 be arranged as opposite to each other, and from pedestal 50 to lid 60 extend.58 cloth of first end wall 56 and the second end wall It is set to opposite to each other, and extends between the first side wall 52 and second sidewall 54.First end wall 56 and the second end wall 58 are the bottom of from Seat 50 extends to lid 60.Lid 60 is arranged relative to pedestal 50, and in the first side wall 52, second sidewall 54,56 and of the first end wall Extend between second end wall 58.Each wall, i.e. the first side wall 52, second sidewall 54, the first end wall 56 and the second end wall 58, and Lid 60 all include inner surface (respectively 74a, 74b, 74c, 74d, 74e) and outer surface (respectively 76a, 76b, 76c, 76d, 76e).Inner surface and interior base surface 70 limit the inside of fluid drainage slot 42, and outer surface and outer bottom seating face 72 limit fluid The outside of letdown tank 42.
Referring to Fig.1, fluid discharge pump 44 extends at least partially through the lid 60 of fluid drainage slot 42.Fluid discharge pump 44 First fluid pipeline 80 by extending into fluid drainage slot 42 is fluidly connected to fluid drainage slot 42, and passes through second Body pipeline 82 is fluidly connected to delivery pipe 20.First fluid pipeline 80 extends into the inside of fluid drainage slot 42, and connects To the entrance of fluid discharge pump 44.Second fluid pipeline 82 extends to jet port 30 from the outlet of fluid discharge pump 44.
When ambient air temperature is below the freezing point, fluid drainage 40 can freeze.Heating system 46 is used for fluid drainage Fluid drainage 40 carries out defrosting or antifreeze in slot 42.Referring to Fig.1 with 2, heating system 46 may include the first heating element 90, second Heating element 92 and third heating element 94.First heating element 90, the second heating element 92 and third heating element 94 are electrically connected It is connected to power supply, and provides heating in charging.
Referring to Fig. 2-5, the first heating element 90 and the second heating element 92 are arranged in fluid drainage slot 42.First heating Element 90 is engaged with interior base surface 70.The inner surface 74a and/or second sidewall 54 of second heating element 92 and the first side wall 52 Inner surface 74b engagement.
Referring to Fig. 3, the first heating element 90 and the second heating element 92 can be to be respectively applied to 70 He of interior base surface Conductive coating on the inner surface 74a of the first side wall 52 and/or inner surface 74b of second sidewall 54.Conductive coating can spray Be deposited on interior base surface and the inner surface 74a of the first side wall 52 and/or inner surface 74b of second sidewall 54 at least one On a.Conductive coating is thermal conductivity coating, may include conductive material, resistive material and hot dielectric material.
Conductive material is deposited or is sprayed in matrix, which is be arranged in interior base surface 70 and the first side wall 52 interior Dielectric material on the surface 74a and/or inner surface 74b of second sidewall 54;Alternatively, conductive material Direct precipitation or in being sprayed on On the inner surface 74b of the inner surface 74a and/or second sidewall 54 of susceptor surface 70 and the first side wall 52.Conductive material is thermally conductive Or conductive material.
Resistive material is deposited or is sprayed on conductive material.Resistive material is selection for converting electrical energy into thermal energy Material.In at least one embodiment, conductive material and resistive material mix, and are applied in matrix or straight It connects and is applied on the inner surface 74a on the interior base surface 70 and the first side wall 52 and/or inner surface 74b of second sidewall 54.
Hot dielectric material can be deposited or is sprayed on resistive material.Hot dielectric material can be a kind of composition, can assist It helps the Heat transmission of resistive material generation to fluid drainage 40.In at least one embodiment, can apply on conductive coating Sealant, to protect conductive coating.
In at least one embodiment, the first heating element 90 and the second heating element can be arranged or be bonded to solid slab On at least one of 92.Solid slab is metal heat-conducting plate, will be by the first heating element 90 and/or the second heating element 92 At least one generate Heat transmission into fluid drainage 40.It can be between solid slab and the inner surface of diesel oil fluid letdown tank 42 Apply sealant or binder, so that solid slab to be operatively coupled to the inside of diesel oil fluid letdown tank 42.In other implementations In example, the first heating element 90 and the second heating element 92 can be to be respectively embedded in solid slab, and solid slab is arranged in On the inner surface 74b of the inner surface 74a and/or second sidewall 54 of interior base surface 70 and the first side wall 52.
Referring to Fig. 2 and 4, the first heating element 90 and the second heating element 92 can be to be arranged in pedestal 50 and/or fluid row Put induction heater, bus, heating grid, heat conducting element or the stratie in the first and second side walls 52,54 of slot 42.
First heating element 90 can be arranged or be embedded in pedestal 50, so that the first heating element 90 is arranged in interior bottom Between seating face 70 and outer bottom seating face 72.First heating element 90 can be molded in the pedestal 50 of fluid drainage slot 42.Second Heating element 92 can be arranged or be embedded in the wall of fluid drainage slot 42, so that the second heating element 92 arrangement is in the following In at least one inner surface 74 and outer surface 76: the first side wall 52 (i.e. 74a, 76a), second sidewall 54 (i.e. 74b, 76b) and Lid 60 (i.e. 74e, 76e).Second heating element 92 can be molded at least one of the first side wall 52 and second sidewall 54.
Referring to Fig.1, third heating element 94 can be combined with fluid discharge pump 44.Third heating element 94 may be provided with first Fluid line 80 is stretched along first fluid pipeline 80, to first fluid pipeline 80 and/or be arranged in first fluid pipeline Fluid drainage 40 near 80 provides heating.
Referring to Fig.1 with 2, third heating element 94 be may be arranged on the outer surface of fluid drainage slot 42.For example, third heats Element 94 may be provided with coating, be arranged in around at least part of fluid drainage slot 42.In such configuration, third adds Thermal element 94 may be arranged at or engage outer bottom seating face 72.
Third heating element 94 can provide the primary heating to fluid drainage 40 in fluid letdown tank 42.First heating element 90 and second heating element 92 can provide in fluid letdown tank 42 fluid drainage 40 second level heating.
Referring to Fig. 5, the first heating element 90 and the second heating element 92 can be configured to the insertion for being inserted into fluid drainage slot 42 Part or board heating apparatus.The inside of fluid drainage slot 42 is each all inserted into first heating element 90 and the second heating element 92, and And it is separated from each other.In pedestal 50, the first side wall 52 and second each of in first heating element 90 and the second heating element 92 Extend between side wall 54.Engagement interior base surface 70 and the first side each of in first heating element 90 and the second heating element 92 The inner surface 74a of the wall 52 and/or inner surface 74b of second sidewall 54.
As shown in Figure 1, can operation specified by the control module 100 communicated with heating system 46 or control heating system 46 Coordinate.Control module 100 can be the controller for communicating or being integrated with total vehicle control device with total vehicle control device.
Control module 100 may include microprocessor or the centre with a variety of computer readable storage means or media communication It manages unit (CPU).For example, computer readable storage means or media may include read-only memory (ROM), random access memory (RAM) and the volatile and non-volatile memory in keep-alive memory (KAM).KAM is can be more for storing when CPU is powered off The duration or nonvolatile memory of a performance variable.It can use any number of known storage device, such as PROM (can Program read-only memory), EPROM (electric PROM), EEPROM (electrically erasable PROM), flash memory or other can store by controlling Module 100 uses and electricity, magnetic, light or the combination memory device of the data of control or the operation of coordination heating system 46, implements meter Calculation machine readable storage device or media, some of them data indicate executable instruction.
The first heating element 90, the second heating element 92 and the third heating element of control module 100 and heating system 46 94 communications, and communicated with fluid temperature sensor 102 and/or ambient temp sensor 104.
Control module 100 can receive the signal of the temperature of instruction fluid drainage 40 from fluid temperature sensor 102, and can The signal of instruction ambient air temperature is received from ambient temp sensor 104.
Control module 100 is lower than ambient temperature threshold lower than fluid temperature (F.T.) threshold value or ambient temperature in response to instruction fluid temperature (F.T.) Value at least one signal and order heating system 46 run.
Control module 100 order heating system 46 can operate third heating and providing electric power to third heating element 94 Element 94.If the temperature of fluid drainage 40 is to rise on fluid temperature (F.T.) threshold value, control module 100 can be by adding to first At least one in thermal element 90 and the second heating element 92 provides electric power and order heating system 46 operates the first heating element 90 With at least one in the second heating element 92.If the temperature of fluid drainage 40 is greater than fluid temperature (F.T.) threshold value, control module 100 It can be by stopping providing electric power order heating system to the first heating element 90, the second heating element 92 and third heating element 94 System 46 stops operation.
Control module 100 can be lower than surrounding temperature lower than fluid temperature (F.T.) threshold value or ambient temperature in response to instruction fluid temperature (F.T.) Spend at least one signal of threshold value and order heating system 46 operates in the first heating element 90 and the second heating element 92 at least One.Control module 100 can order at least one into the first heating element 90 of instruction and the second heating element 92 to provide electric power, It is greater than fluid temperature (F.T.) threshold value at least up to the temperature of fluid drainage 40.In at least one embodiment, can continuously add to first At least one of thermal element 90 and the second heating element 92 provide electric power.
Although described with reference to exemplary embodiment it is disclosed above, it should be appreciated to those skilled in the art that not Under conditions of deviateing its range, a variety of changes can be made, and available equivalents replace its element.Furthermore, it is possible to make a variety of Modification, so that particular situation or material be made to be suitable for the introduction of the disclosure in the case where not deviating disclosure essential scope.Cause This, the disclosure is not intended to limit disclosed specific embodiment, and opposite its will include all embodiments for falling into its range.

Claims (10)

1. a kind of exhaust system, comprising:
The delivery pipe extended from internal combustion engine;And
Fluid discharge system is operatively coupled to the delivery pipe and is configured to spurting into fluid drainage into the delivery pipe Interior, the fluid discharge system includes:
Fluid drainage slot with pedestal, the pedestal have the first end wall, the second end wall, the first side wall and second sidewall it Between the interior base surface that extends and outer bottom seating face, each wall there is the inner surface and the outer surface, and
The heating system being arranged in the fluid drainage slot.
2. exhaust system according to claim 1, wherein the heating system includes being arranged on the interior base surface The first heating element.
3. exhaust system according to claim 2, wherein the heating system includes being arranged in the first side wall and institute State the second heating element on the inner surface of at least one in second sidewall.
4. exhaust system according to claim 3, wherein the spray deposited bottom in described first of first heating element On seating face, and second heating element it is spray deposited in the first side wall and the second sidewall at least one On the inner surface.
5. exhaust system according to claim 3, wherein first heating element and second heating element are to lead Electrocoat.
6. exhaust system according to claim 3 further comprises being arranged in first heating element and described second Heat conducting coating at least one of heating element.
7. exhaust system according to claim 1, wherein the heating system include be arranged in the interior base surface and The first heating element between the outer bottom seating face.
8. exhaust system according to claim 7, wherein the heating system includes being arranged in the first side wall and institute State the second heating element on the inner surface and the outer surface of at least one in second sidewall.
9. exhaust system according to claim 1, wherein the heating system is included in the first side wall and described The first heating element extended between two side walls.
10. exhaust system according to claim 9, wherein the heating system includes and first heating element interval The second heating element opened and extended between the first side wall and the second sidewall.
CN201810806763.3A 2017-07-25 2018-07-18 It is provided with the fluid drainage slot of exhaust system Pending CN109296423A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/658,777 US20190032534A1 (en) 2017-07-25 2017-07-25 Exhaust fluid tank provided with an exhaust system
US15/658777 2017-07-25

Publications (1)

Publication Number Publication Date
CN109296423A true CN109296423A (en) 2019-02-01

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CN201810806763.3A Pending CN109296423A (en) 2017-07-25 2018-07-18 It is provided with the fluid drainage slot of exhaust system

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Country Link
US (1) US20190032534A1 (en)
CN (1) CN109296423A (en)
DE (1) DE102018117867A1 (en)

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