CN109356699B - High-efficient tail-gas pipe of car - Google Patents

High-efficient tail-gas pipe of car Download PDF

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Publication number
CN109356699B
CN109356699B CN201811335023.2A CN201811335023A CN109356699B CN 109356699 B CN109356699 B CN 109356699B CN 201811335023 A CN201811335023 A CN 201811335023A CN 109356699 B CN109356699 B CN 109356699B
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China
Prior art keywords
frame
gas pipe
clamping
ring frame
tail gas
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CN201811335023.2A
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CN109356699A (en
Inventor
耿思宇
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GAC Honda Automobile Co Ltd
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GAC Honda Automobile Co Ltd
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Priority to CN201811335023.2A priority Critical patent/CN109356699B/en
Publication of CN109356699A publication Critical patent/CN109356699A/en
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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
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body

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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)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to an efficient tail gas pipe of an automobile, which comprises a tail gas pipe body, a clamping device and a drainage device, wherein the clamping device is arranged in the middle of the tail gas pipe body, and the drainage device is arranged on the front side of the lower end of the clamping device. The invention can solve the problems that the gas discharged from the area with the low temperature of the existing tail gas pipe is liquefied to form water drops which drop on the road surface, the water drops drop on the road surface to form particle ice blocks, the automobile running behind is easy to slip, and potential safety hazards exist.

Description

High-efficient tail-gas pipe of car
Technical Field
The invention relates to the field of automobile accessories, in particular to an efficient tail gas pipe of an automobile.
Background
The automobile accessory is a product which forms each unit of the whole automobile and serves the automobile, wherein, the automobile exhaust pipe plays a role in damping and reducing noise and prolonging the service life of an exhaust and noise elimination system for the body of the automobile, the gas exhausted by the existing exhaust pipe in the area with low temperature is liquefied to form water drops which drop on the road surface, the water drops form particle ice blocks on the road surface, the automobile running at the back is easy to slip, and potential safety hazards exist.
Disclosure of Invention
In order to solve the problems, the invention provides an efficient tail gas pipe of an automobile, which can solve the problems that the gas exhausted from the existing tail gas pipe in an area with low temperature is liquefied to form water drops and the water drops are dropped on the road surface, the water drops are dropped on the road surface to form particle ice blocks, the automobile running at the back is easy to slip, potential safety hazards exist and the like, the function of automatically collecting the water drops formed by liquefaction in the tail gas pipe body can be realized, the liquefied water drops are automatically collected, the water drops are collected twice in the water drop collecting process to ensure that the water drops are all collected, the ice blocks are prevented from being dropped on the road surface, the normal running of the automobile at the back is ensured, the water drop collecting device is convenient to disassemble.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high-efficient tail-gas pipe of car, includes tail-gas pipe body, screens device and drainage device, the mid-mounting of tail-gas pipe body have the screens device, drainage device is installed to the lower extreme front side of screens device.
The front end downside of tail gas pipe body be provided with out the basin, make things convenient for this internal water droplet of tail gas pipe to flow into drainage device in, easy operation.
The clamping device comprises a supporting rod, a ring frame, two abutting mechanisms, a clamping ring frame, two fixing frames, two telescopic rods and two clamping buckles, wherein the supporting rod is symmetrically arranged on the left side and the right side of the tail gas pipe body, the outer end of the supporting rod is arranged on the inner wall of the ring frame, the two abutting mechanisms are arranged at the upper end and the lower end of the tail gas pipe body, the clamping ring frame is arranged on the outer wall of the ring frame, the two fixing frames are arranged at the upper end and the lower end of the clamping ring frame, the telescopic rods are arranged on the fixing frames, the top end of the telescopic rods is arranged on the clamping buckles, in the specific working process, the clamping ring frame is clamped on the outer wall of the ring frame until the clamping ring frame abuts against the rear end of the ring frame, a person rotates the clamping ring frame until the two clamping buckles are clamped into the clamping buckle groove for limiting, at the moment, the drainage device is positioned under the clamping, screens device carries out the screens and unloads from to the exhaust pipe body, convenient dismantlement, easy operation.
The supporting mechanism comprises a straight cylinder and an ejector block, the straight cylinder is installed on the outer wall of the tail gas pipe body, the top end of the straight cylinder is installed on the ejector block through a flange, and when the card is clamped into the ring frame and is detached, the straight cylinder drives the ejector block to eject the buckle slot, and the operation is simple.
The drainage device comprises an operation frame, a water collecting frame, a drainage pipe, a working frame, a connecting cylinder, a filtering ring frame, a water storage frame, a rotating rod and a rotating motor, wherein the rear end of the operation frame is installed at the front end of the clamping ring frame, the front end of the operation frame is installed at the rear end of the water collecting frame, the front end of the water collecting frame is provided with a water inlet hole, the front end of the water collecting frame is provided with the drainage frame, the lower end of the water collecting frame is provided with the drainage pipe, the working frame is installed on the side wall of the water collecting frame, the connecting cylinder is installed on the working frame, the top end of the connecting cylinder is installed on the filtering ring frame, the rotating motor is installed at the lower end of the operation frame through a base, the rotating rod is installed on an output shaft of the rotating motor, the front end of the rotating rod is installed at the rear end of the water storage frame, during specific work, water drained by a tail gas pipe body flows into the water collecting frame, part, when the water in the water storage frame needs to be cleaned, a person unloads the clamping device and the drainage device from the tail gas pipe body, the motor is rotated to drive the water storage frame to rotate, the water in the water storage frame is discharged from the water inlet tank, the drainage device automatically collects liquefied water drops, the water drops are collected twice in the water drop collection process to ensure that the water drops are all collected, ice blocks are prevented from being formed on the road surface, the normal running of a rear automobile is ensured, and the operation is simple.
As a preferred technical scheme of the invention, the ring frame is of a ring T-shaped structure, the upper end and the lower end of the ring frame are provided with two buckling grooves, the rear end of the ring frame is provided with a clamping block, and the clamping ring frame drives the clamping buckle to be clamped into the buckling grooves to limit the ring frame, so that the clamping is convenient and the operation is simple.
As a preferred technical scheme of the invention, the upper end and the lower end of the clamping ring frame are provided with two clamping grooves, the rear end of the clamping ring frame is provided with a sliding groove, the clamping block corresponds to the sliding groove, the buckling groove corresponds to the clamping groove, the clamping buckle is positioned in the buckling groove, when the clamping groove and the buckling groove are aligned, the clamping buckle is clamped in the buckling groove, the clamping ring frame limits the ring frame, and the clamping block is clamped in the sliding groove to ensure that the clamping ring frame is connected with the ring frame in a sliding fit manner, so that the clamping is convenient and the operation is simple.
As a preferred technical scheme of the invention, the rear end of the water collecting frame is provided with the fitting groove, and the outer wall of the tail gas pipe body is fitted with the fitting groove, so that the fitting is compact.
As a preferable technical scheme of the invention, the middle part of the drain pipe is provided with an inlet and outlet groove, and the filter ring frame is positioned in the inlet and outlet groove, so that the filter ring frame can freely enter and exit the inlet and outlet groove.
As a preferred technical scheme of the invention, the filter ring frame is internally provided with the filter screen, the diameter of the filter ring frame is equal to the section diameter of the drain pipe, when the filter ring frame enters the inlet and outlet groove, seamless joint between the filter ring frame and the inlet and outlet groove is ensured, water drops are ensured not to flow out from gaps, and the filter ring frame plays a role in filtering solid particles.
As a preferable technical scheme of the invention, the drainage frame is of an arc structure which is gradually inclined downwards from front to back, and the drainage frame corresponds to the water inlet hole, so that water drops can conveniently flow into the water collecting frame.
As a preferable technical scheme of the invention, the upper end of the water storage frame is provided with a water inlet groove, and the lower end of the water drainage pipe corresponds to the water inlet groove, so that water drops can completely enter the water storage frame conveniently.
When the water storage device works, firstly, the clamping device starts to work, the clamping ring frame is clamped on the outer wall of the ring frame until the clamping ring frame abuts against the rear end of the ring frame, a person rotates the clamping ring frame until the two clamping buckles are clamped into the buckling grooves for limiting, at the moment, the water discharging device is positioned under the clamping device, when the clamping ring frame needs to be detached, the two clamping buckles are ejected out of the buckling grooves by the two abutting mechanisms, then the abutting mechanisms start to work, when the clamping ring frame needs to be detached, the straight air cylinder drives the ejecting blocks to be ejected out of the buckling grooves, in a second step, the water discharging device starts to work, water discharged by the tail gas pipe body flows into the water collecting frame, partial floated water drops fall into the water collecting frame after the water discharging frame, the water drops enter the water storage frame through the water discharging pipe, when the water in the water storage frame needs to be cleaned, the person unloads the clamping device and the water discharging device from the tail gas pipe body, the water storage frame is driven to rotate by, the water in the water storage frame is discharged from the water inlet tank, and the function of automatically collecting water drops formed by liquefaction in the tail gas pipe body can be realized.
The invention has the beneficial effects that:
1. the tail gas pipe can solve the problems that gas exhausted from an area with low temperature of the existing tail gas pipe is liquefied to form water drops which drop on a road surface, the water drops drop on the road surface to form particle ice blocks, a vehicle running behind is easy to slip, potential safety hazards exist and the like, the automatic collection function of the water drops formed by liquefaction in the tail gas pipe body can be realized, the liquefied water drops are automatically collected, the water drops are collected twice in the water drop collection process to ensure that the water drops are all collected, the ice blocks are prevented from dropping on the road surface to form ice blocks, the following vehicle is ensured to normally run, and the water drop collection device is convenient to disassemble and the like;
2. the tail gas pipe clamping device is provided with a clamping device, the clamping device clamps and unloads the tail gas pipe body, the disassembly is convenient, and the operation is simple;
3. the invention is provided with the drainage device which automatically collects the liquefied water drops, and the water drops are collected twice in the water drop collection process to ensure that all the water drops are collected, so that ice blocks are prevented from being formed on the road surface, the normal running of a following automobile is ensured, and the operation is simple.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the exhaust pipe body and the locking device of the present invention;
fig. 3 is a schematic view of the structure of the drainage device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 3, the high-efficiency exhaust pipe for the automobile comprises an exhaust pipe body 1, a clamping device 2 and a drainage device 3, wherein the clamping device 2 is installed in the middle of the exhaust pipe body 1, and the drainage device 3 is installed on the front side of the lower end of the clamping device 2.
The front end downside of tail gas pipe body 1 be provided with out the basin, make things convenient for the water droplet in the tail gas pipe body 1 to flow into drainage device 3, easy operation.
The clamping device 2 comprises a supporting rod 21, a ring frame 22, two abutting mechanisms 23, a clamping ring frame 24, two fixing frames 25, two telescopic rods 26 and two clamping buckles 27, wherein the supporting rod 21 is symmetrically arranged on the left side and the right side of the tail gas pipe body 1, the outer end of the supporting rod 21 is arranged on the inner wall of the ring frame 22, the two abutting mechanisms 23 are arranged at the upper end and the lower end of the tail gas pipe body 1, the clamping ring frame 24 is arranged on the outer wall of the ring frame 22, the two fixing frames 25 are arranged at the upper end and the lower end of the clamping ring frame 24, the telescopic rods 26 are arranged on the fixing frames 25, the top ends of the telescopic rods 26 are arranged on the clamping buckles 27, during specific work, the clamping ring frame 24 is clamped on the outer wall of the ring frame 22 until the clamping ring frame 24 abuts against the rear end of the ring frame 22, a person rotates the clamping ring frame 24 until the two clamping buckles 27 to clamp, when the clamping ring frame 24 needs to be detached, the two clamping buckles 27 are ejected out of the buckle groove by the two abutting mechanisms 23, the clamping device 2 clamps and detaches the tail gas pipe body 1, the disassembly is convenient, and the operation is simple.
The abutting mechanism 23 comprises a straight cylinder 231 and a top block 232, the straight cylinder 231 is installed on the outer wall of the tail gas pipe body 1, the top end of the straight cylinder 231 is installed on the top block 232 through a flange, when the clamping ring frame 24 needs to be detached, the straight cylinder 231 drives the top block 232 to eject out of the buckle groove, and operation is simple.
The drainage device 3 comprises an operation frame 31, a water collecting frame 32, a drainage frame 33, a drainage pipe 34, a working frame 35, a connecting cylinder 36, a filtering ring frame 37, a water storage frame 38, a rotating rod 39 and a rotating motor 40, wherein the rear end of the operation frame 31 is installed at the front end of the clamping ring frame 24, the front end of the operation frame 31 is installed at the rear end of the water collecting frame 32, the front end of the water collecting frame 32 is provided with a water inlet hole, the front end of the water collecting frame 32 is provided with the drainage frame 33, the lower end of the water collecting frame 32 is provided with the drainage pipe 34, the side wall of the water collecting frame 32 is provided with the working frame 35, the working frame 35 is provided with the connecting cylinder 36, the top end of the connecting cylinder 36 is installed at the filtering ring frame 37, the lower end of the operation frame 31 is provided with the rotating motor 40 through a base, the rotating rod 39 is installed on an output shaft of the rotating motor 40, the front end of the rotating rod 39 is installed at the rear end of the, the water droplet that partly drifts out falls behind drainage frame 33 and flows to in the frame 32 that catchments, the water droplet gets into in the water storage frame 38 through in the drain pipe 34, when the water in the water storage frame 38 needs to be cleared up, the personnel lift screens device 2 and drainage device 3 off from tail-gas pipe body 1, it rotates water storage frame 38 to rotate motor 40 drive, the water in the water storage frame 38 is discharged from the intake chamber, drainage device 3 carries out the automation to the water droplet of liquefaction and collects, collect twice in the water droplet collection process and ensure that the water droplet is whole to be collected, avoid dripping to form the ice-cube on the road surface, ensured that the car at the back can normally travel, and easy operation.
The ring frame 22 be ring T type structure, and the upper and lower both ends of ring frame 22 are provided with two catching grooves, the rear end of ring frame 22 is provided with the fixture block, card income ring frame 24 drives the card income and detains 27 card income catching grooves and carry on spacingly to ring frame 22, the buckle is convenient, easy operation.
The upper and lower both ends of card income ring carrier 24 be provided with two card and go into the groove, the rear end of card income ring carrier 24 is provided with the spout, and the fixture block is corresponding with the spout, the catching groove is corresponding with the catching groove, card income is detained 27 and is located the catching groove, when the catching groove aligns with the catching groove, card income is detained 27 card income catching grooves, card income ring carrier 24 carries on spacingly to ring carrier 22, the fixture block card is gone into and is ensured in the spout that card income ring carrier 24 passes through sliding fit's mode and links to each other with ring carrier 22, the buckle is convenient, easy operation.
The rear end of frame 32 catchments be provided with the laminating groove, and the outer wall of tail gas pipe body 1 and the laminating groove laminating mutually, the laminating is compact.
The middle part of the drain pipe 34 is provided with an inlet and outlet groove, and the filtering ring frame 37 is positioned in the inlet and outlet groove, so that the filtering ring frame 37 can freely enter and exit in the inlet and outlet groove.
Filter ring frame 37 in be provided with the filter screen, and the diameter of filtering ring frame 37 equals with the cross-sectional diameter of drain pipe 34, filter ring frame 37 and guarantee to filter seamless laminating between ring frame 37 and the business turn over groove when getting into business turn over groove, guarantee that the water droplet can not flow out from the gap, filter ring frame 37 plays the effect of filtering solid particle.
The drainage frame 33 is an arc-shaped structure which is gradually inclined downwards from front to back, and the drainage frame 33 corresponds to the water inlet hole, so that water drops can conveniently flow into the water collecting frame 32.
The upper end of the water storage frame 38 is provided with a water inlet groove, and the lower end of the drain pipe 34 corresponds to the water inlet groove, so that water drops can completely enter the water storage frame 38.
When the tail gas pipe, the motor 40 is rotated to drive the water storage frame 38 to rotate, water in the water storage frame 38 is discharged from the water inlet tank, the function of automatically collecting water drops formed by liquefaction in the tail gas pipe body 1 is achieved, the problems that water drops form particle ice blocks when gas discharged from the area with low temperature of the existing tail gas pipe is liquefied and drops on the road surface, and a vehicle travelling at the back easily slips, has potential safety hazards and the like are solved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a high-efficient tail-gas pipe of car, includes tail-gas pipe body (1), screens device (2) and drainage device (3), its characterized in that: a clamping device (2) is arranged in the middle of the tail gas pipe body (1), and a drainage device (3) is arranged on the front side of the lower end of the clamping device (2);
a water outlet groove is formed in the lower side of the front end of the tail gas pipe body (1);
the clamping device (2) comprises a supporting rod (21), a ring frame (22), two abutting mechanisms (23), a clamping ring frame (24), two fixing frames (25), two telescopic rods (26) and two clamping buckles (27), wherein the supporting rod (21) is symmetrically arranged on the left side and the right side of the tail gas pipe body (1), the outer end of the supporting rod (21) is arranged on the inner wall of the ring frame (22), the two abutting mechanisms (23) are arranged at the upper end and the lower end of the tail gas pipe body (1), the clamping ring frame (24) is arranged on the outer wall of the ring frame (22), the two fixing frames (25) are arranged at the upper end and the lower end of the clamping ring frame (24), the telescopic rods (26) are arranged on the fixing frames (25), and the top ends of the telescopic rods (26) are arranged on the clamping buckles;
the abutting mechanism (23) comprises a straight cylinder (231) and a top block (232), the straight cylinder (231) is installed on the outer wall of the tail gas pipe body (1), and the top end of the straight cylinder (231) is installed on the top block (232) through a flange;
the drainage device (3) comprises an operation frame (31), a water collecting frame (32), a drainage frame (33), a drainage pipe (34), a working frame (35), a connecting cylinder (36), a filtering ring frame (37), a water storage frame (38), a rotating rod (39) and a rotating motor (40), wherein the rear end of the operation frame (31) is installed at the front end of the clamping ring frame (24), the front end of the operation frame (31) is installed at the rear end of the water collecting frame (32), the front end of the water collecting frame (32) is provided with a water inlet hole, the front end of the water collecting frame (32) is provided with the drainage frame (33), the lower end of the water collecting frame (32) is provided with the drainage pipe (34), the side wall of the water collecting frame (32) is provided with the working frame (35), the working frame (35) is provided with the connecting cylinder (36), the top end of the connecting cylinder (36) is installed at the filtering ring frame (37), the lower end of the operation frame (31) is provided with, the output shaft of the rotating motor (40) is provided with a rotating rod (39), and the front end of the rotating rod (39) is arranged at the rear end of the water storage frame (38).
2. The high-efficiency tail gas pipe for the automobile according to claim 1, characterized in that: the ring frame (22) is of a ring T-shaped structure, two buckling grooves are formed in the upper end and the lower end of the ring frame (22), and a clamping block is arranged at the rear end of the ring frame (22);
the upper end and the lower end of the clamping ring frame (24) are provided with two clamping grooves, the rear end of the clamping ring frame (24) is provided with a sliding groove, the clamping blocks correspond to the sliding grooves, the buckling grooves correspond to the clamping grooves, and the clamping buckles (27) are located in the buckling grooves.
3. The high-efficiency tail gas pipe for the automobile according to claim 1, characterized in that: the rear end of the water collecting frame (32) is provided with a fitting groove, and the outer wall of the tail gas pipe body (1) is fitted with the fitting groove.
4. The high-efficiency tail gas pipe for the automobile according to claim 1, characterized in that: the middle part of the drain pipe (34) is provided with an inlet and outlet groove, and the filtering ring frame (37) is positioned in the inlet and outlet groove.
5. The high-efficiency tail gas pipe for the automobile according to claim 1, characterized in that: a filter screen is arranged in the filter ring frame (37), and the diameter of the filter ring frame (37) is equal to the diameter of the cross section of the drain pipe (34).
6. The high-efficiency tail gas pipe for the automobile according to claim 1, characterized in that: the water drainage frame (33) is of an arc structure which is gradually inclined downwards from front to back, and the water drainage frame (33) corresponds to the water inlet hole;
the upper end of the water storage frame (38) is provided with a water inlet tank, and the lower end of the drain pipe (34) corresponds to the water inlet tank.
CN201811335023.2A 2018-11-10 2018-11-10 High-efficient tail-gas pipe of car Active CN109356699B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811335023.2A CN109356699B (en) 2018-11-10 2018-11-10 High-efficient tail-gas pipe of car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811335023.2A CN109356699B (en) 2018-11-10 2018-11-10 High-efficient tail-gas pipe of car

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CN109356699A CN109356699A (en) 2019-02-19
CN109356699B true CN109356699B (en) 2020-11-27

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436896A1 (en) * 2010-09-30 2012-04-04 Hitachi Construction Machinery Co., Ltd. Exhaust assembly for construction machine
CN102900505A (en) * 2011-07-28 2013-01-30 现代自动车株式会社 Tail pipe assembly for vehicle
CN105804848A (en) * 2016-04-26 2016-07-27 安徽科技学院 Water-dripping-preventing device for automobile exhaust pipe
CN107100697A (en) * 2017-04-14 2017-08-29 白玉贵 A kind of winter vehicle exhaust moisture condensation centralised arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436896A1 (en) * 2010-09-30 2012-04-04 Hitachi Construction Machinery Co., Ltd. Exhaust assembly for construction machine
CN102900505A (en) * 2011-07-28 2013-01-30 现代自动车株式会社 Tail pipe assembly for vehicle
CN105804848A (en) * 2016-04-26 2016-07-27 安徽科技学院 Water-dripping-preventing device for automobile exhaust pipe
CN107100697A (en) * 2017-04-14 2017-08-29 白玉贵 A kind of winter vehicle exhaust moisture condensation centralised arrangement

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