CN219638951U - Automobile engine combustion chamber and valve carbon deposit cleaning equipment - Google Patents
Automobile engine combustion chamber and valve carbon deposit cleaning equipment Download PDFInfo
- Publication number
- CN219638951U CN219638951U CN202321868531.3U CN202321868531U CN219638951U CN 219638951 U CN219638951 U CN 219638951U CN 202321868531 U CN202321868531 U CN 202321868531U CN 219638951 U CN219638951 U CN 219638951U
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- China
- Prior art keywords
- cleaning
- assembly
- combustion chamber
- cleaning liquid
- liquid pipe
- 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.)
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- 238000004140 cleaning Methods 0.000 title claims abstract description 149
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 78
- 239000007921 spray Substances 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000004071 soot Substances 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 7
- 230000008021 deposition Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011086 high cleaning Methods 0.000 abstract description 3
- 239000012459 cleaning agent Substances 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a cleaning device for carbon deposition of a combustion chamber and an air valve of an automobile engine, which belongs to the technical field of automobile cleaning and comprises a spray-washing assembly and a suction assembly, wherein one end of the spray-washing assembly is connected with a liquid storage tank, the other end of the spray-washing assembly stretches into the device to be cleaned and is used for spraying cleaning liquid, the liquid storage tank is used for storing the cleaning liquid, and a spray-washing driver is arranged between the liquid storage tank and the spray-washing assembly; one end of the suction assembly is detachably connected with equipment to be cleaned, the other end of the suction assembly is connected with a recovery tank for extracting waste liquid after cleaning, the recovery tank is used for storing the waste liquid after cleaning, a suction driver is arranged between the suction assembly and the recovery tank, and the spray cleaning assembly is connected with the suction assembly and penetrates through the suction assembly. The cleaning equipment for the carbon deposition of the combustion chamber and the valve of the automobile engine solves the problems of difficult cleaning, incomplete cleaning, complex cleaning operation and high cleaning cost of the automobile in the prior art, has a simple structure and remarkable action effect, and is suitable for wide popularization.
Description
Technical Field
The utility model relates to the technical field of automobile cleaning, in particular to equipment for cleaning carbon deposition of a combustion chamber and a valve of an automobile engine.
Background
Each vehicle has a carbon deposition phenomenon, and the carbon deposition is necessary for cleaning the vehicle. And carbon deposition in the combustion chamber of the engine is removed, so that the maintenance of the engine is facilitated, and the loss of the engine can be reduced. Carbon deposition can reduce engine power, so that the fuel consumption of an automobile is increased, and even faults such as engine knocking, abnormal acceleration and the like can occur when serious; meanwhile, the piston and the crankshaft of the engine are greatly damaged, even the engine burns oil, and the condition that the automobile needs to be overhauled is caused; the carbon deposition of the automobile is great in harm to the automobile and the environment, and can cause excessive exhaust emission, pollute the environment and disqualified annual inspection of the automobile. The existing automobile carbon deposition is mostly cleaned by physical brushing, chemical cleaning agents and the like, the cleaning is difficult and incomplete, or professional workers use cleaning equipment to clean the automobile carbon deposition, the professionality is strong, the cleaning steps are complex, the operation is difficult and the cost is high.
Disclosure of Invention
Aiming at the defects, the utility model provides equipment for cleaning the carbon deposition of the combustion chamber and the valve of the automobile engine, which solves the problems of difficult cleaning, incomplete cleaning, complex cleaning operation and high cleaning cost of the automobile existing in the prior art.
The utility model provides a cleaning device for carbon deposition of a combustion chamber and a valve of an automobile engine, which comprises the following components:
one end of the spray washing assembly is connected with a liquid storage tank, the other end of the spray washing assembly extends into the equipment to be washed and is used for spraying the cleaning liquid, the liquid storage tank is used for storing the cleaning liquid, a spray washing driver is arranged between the liquid storage tank and the spray washing assembly, and the spray washing driver is used for driving the liquid to move;
one end of the suction assembly is detachably connected with the equipment to be cleaned, the other end of the suction assembly is connected with a recovery tank for extracting waste liquid after cleaning, the recovery tank is used for storing the waste liquid after cleaning, a suction driver is arranged between the suction assembly and the recovery tank and used for driving the waste liquid to move, and the spray cleaning assembly is connected with the suction assembly and penetrates through the suction assembly.
Preferably, the spray washing assembly comprises:
one end of the cleaning liquid pipe is connected with the spray-washing driver, and the other end of the cleaning liquid pipe penetrates through the suction assembly and stretches into the equipment to be cleaned;
the cleaning nozzle is communicated with the cleaning liquid pipe and is arranged at one end of the cleaning liquid pipe far away from the spray-cleaning driver;
the fixed guide seat is arranged between the suction assembly and the cleaning liquid pipe and is rotationally connected with the cleaning liquid pipe.
Preferably, the suction assembly comprises:
one end of the reflux conduit is detachably connected with the equipment to be cleaned, and the other end of the reflux conduit is connected with the fixed guide seat;
a return pipe, one end of which is connected with the return pipe, and the other end of which is connected with the suction driver;
the hollow bracket is arranged in the return conduit and is simultaneously connected with the cleaning liquid pipe and the return conduit and used for supporting the cleaning liquid pipe.
Preferably, an interface thread is arranged at one end of the reflux conduit connected with the equipment to be cleaned.
Preferably, the return pipe is connected with the return pipe to form a T-shaped structure.
Preferably, the hollow support is provided with a plurality of hollow supports side by side along the axial direction of the backflow conduit.
Preferably, the cleaning nozzle is disposed at an angle to the cleaning liquid pipe.
Preferably, the hollow bracket comprises a fixed ring which is in sliding connection with the cleaning liquid pipe, a plurality of support rods are circumferentially equidistant on the fixed ring, and any support rod is fixedly connected with the fixed ring and the backflow conduit at the same time.
Preferably, a bearing is arranged between the cleaning liquid pipe and the fixed guide seat.
Preferably, the cleaning nozzle and the cleaning liquid pipe form an included angle of 45 degrees.
According to the scheme, the cleaning device for the carbon deposit of the automobile engine combustion chamber and the valve provided by the utility model has the advantages that the cleaning agent is sprayed to the cleaning position through the spray cleaning assembly by the spray cleaning driver, the carbon deposit at the inlet of the combustion chamber and the inlet channel is pressurized and cleaned, the carbon deposit on the surface and in the gap is forcefully cleaned and flushed under the double actions of the cleaning agent and the pressure, the cleaning agent is recycled and the residual is pumped and reused by the pumping assembly, no residue exists in the pumped combustion chamber, the cleaning effect is good, the efficiency is high, the operation is easy, the safety and the environmental protection are realized, and the cost is saved. The utility model solves the problems of difficult cleaning, incomplete cleaning, complex cleaning operation and high cleaning cost of the automobile carbon deposit existing in the prior art, has simple structure and remarkable action effect, and is suitable for wide popularization.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for cleaning carbon deposition in a combustion chamber and a valve of an automobile engine;
FIG. 2 is a schematic side view of another device for cleaning carbon deposit in a combustion chamber and a valve of an automobile engine;
fig. 3 is a sectional view of the structure taken along the line A-A in fig. 2.
In fig. 1-3:
1. a spray washing assembly; 2. a suction assembly; 11. a cleaning liquid pipe; 12. cleaning the nozzle; 13. fixing a guide seat; 21. a return conduit; 22. a return pipe; 23. a hollow bracket; 211. an interface thread; 231. a fixing ring; 232. and (5) supporting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, a specific embodiment of an apparatus for cleaning carbon deposit in a combustion chamber and a valve of an automobile engine according to the present utility model will now be described. The device for cleaning the carbon deposition of the combustion chamber and the valve of the automobile engine comprises a spray washing assembly 1 and a suction assembly 2, wherein one end of the spray washing assembly 1 is connected with a liquid storage tank, the other end of the spray washing assembly extends into the device to be cleaned and is used for spraying cleaning liquid, the liquid storage tank is used for storing the cleaning liquid, and a spray washing driver is arranged between the liquid storage tank and the spray washing assembly 1 and is used for driving the liquid to move; one end of the suction assembly 2 is detachably connected with equipment to be cleaned, the other end of the suction assembly 2 is connected with a recovery tank for extracting waste liquid after cleaning, the recovery tank is used for storing the waste liquid after cleaning, a suction driver is arranged between the suction assembly 2 and the recovery tank and used for driving the waste liquid to move, and the spray cleaning assembly 1 is connected with the suction assembly 2 and penetrates through the suction assembly 2.
For convenience of explanation, referring to fig. 1, a rectangular coordinate system is established by taking any point in space as an origin, a setting direction of a return conduit 21 in a suction assembly 2 relative to a return conduit 22 as a Z axis, a setting direction of a cleaning liquid pipe 11 in a spray assembly 1 as an X axis, and a straight line direction perpendicular to the X axis and the Z axis at the same time as a Y axis, wherein an XY plane is a horizontal plane, a direction indicated on the horizontal plane is a horizontal direction, and a direction indicated on the Z axis is a vertical direction.
In this embodiment, the suction driver is a suction pump and the spray driver is a pressure pump.
Compared with the prior art, the automobile engine combustion chamber and valve carbon deposit cleaning equipment has the advantages that the cleaning agent is sprayed to the cleaning position through the spray cleaning assembly 1 through the spray cleaning driver, the combustion chamber and the carbon deposit at the inlet channel gate are pressurized and cleaned, the carbon deposit in the surface and the gap is forcefully cleaned and flushed under the double actions of the cleaning agent and the pressure, the cleaning agent is recycled and pumped to be clean, the residual is recycled through the pumping assembly 2, no residue exists in the pumped combustion chamber, the cleaning is thorough, the cleaning effect is good, the cleaning efficiency is high, and the device is easy to operate, safe to use, environment-friendly and cost-saving.
As another embodiment of the present utility model, the structure of the combustion chamber and the valve carbon deposit cleaning device of the automobile engine is basically the same as that of the above embodiment, and the difference is that the spray cleaning assembly 1 comprises a cleaning liquid pipe 11, a cleaning nozzle 12 and a fixed guide seat 13, wherein one end of the cleaning liquid pipe 11 is connected with a spray cleaning driver, and the other end extends into the device to be cleaned through the suction assembly 2; the cleaning nozzle 12 is communicated with the cleaning liquid pipe 11 and is arranged at one end of the cleaning liquid pipe 11 far away from the spray-cleaning driver; the fixed guide seat 13 is disposed between the suction assembly 2 and the cleaning solution tube 11 and is rotationally connected with the cleaning solution tube 11, and the fixed guide seat 13 may be made of elastic rubber material for ensuring tightness between the suction assembly 2 and the cleaning solution tube 11.
In this embodiment, the cleaning tube 11 and the cleaning nozzle 12 may be an integral hard tube or a metal tube, or may be a sectional-connection hose or a soft-hard-connection tube.
In this embodiment, a certain angle is formed between the cleaning nozzle 12 and the cleaning liquid pipe 11, and an included angle between the cleaning nozzle 12 and the cleaning liquid pipe 11 is 45 ° for example, so that the cleaning is cleaner, a larger cleaning range can be ensured, and a better cleaning effect can be ensured. The cleaning nozzle 12 is driven to rotate for multiple angles through the cleaning liquid pipe 11 to carry out pressurized cleaning on carbon deposition at the inlet of the combustion chamber and the inlet channel, so that the cleaning is more thorough and comprehensive. The cleaning nozzle 12 has a flat-mouth structure, and the area and pressure during cleaning are increased during cleaning of the flat-mouth structure, and an opening of one end of the cleaning nozzle 12, which is far away from the cleaning liquid pipe 11, is elliptical or rectangular, for example.
As another embodiment of the present utility model, the structure of the combustion chamber and valve carbon deposit cleaning device of the automobile engine is basically the same as that of the above embodiment, except that the suction assembly 2 comprises a return conduit 21, a return conduit 22 and a hollow bracket 23, wherein one end of the return conduit 21 is detachably connected with the device to be cleaned, and the other end is connected with the fixed guide seat 13; one end of the return pipe 22 is connected to the return pipe 21, and the other end is connected to the suction driver; the hollow bracket 23 is provided in the return duct 21 and connected to the cleaning liquid pipe 11 and the return duct 21 at the same time, and is used for supporting, fixing and guiding the cleaning liquid pipe 11.
In this embodiment, an interface thread 211 is provided at the end of the return conduit 21 connected to the device to be cleaned, so as to ensure tightness between the return conduit 21 and the device to be cleaned, and realize a fully sealed state in the flushing process. The return conduit 21 includes an interface portion, a first connection portion, a guide portion, a second connection portion, and a mounting portion, on which the interface screw 211 is provided; the interface part is rotationally connected with the guide part through the first connecting part; the guide part is rotationally connected with the mounting part through the second connecting part; the mounting part is connected with the return pipe 22 and the fixed guide seat 13 at the same time; the first connecting part and the second connecting part are both hoses or universal ball valves, can adapt to the non-vertical vehicle type of interface buckling lines, have higher adaptation degree with the interface of various vehicle types, and are more convenient to install and use.
In this embodiment, the return pipe 22 is connected to the return pipe 21 to form a T-shaped structure. The waste liquid is pumped to the recovery tank after passing through the reflux pipe 21 and the reflux pipe 22, and the cleaning agent is recovered, circulated, pumped and the residual is reused, so that the cleaning agent is free from residue and is recycled. It is within the scope of the present utility model to achieve the above-described performance effects of the return line 22 and the return line 21.
As another embodiment of the present utility model, the structure of the combustion chamber and valve soot cleaning apparatus of the automobile engine is substantially the same as that of the above-described example, except that the hollow bracket 23 is provided in a plurality of side by side along the axial direction of the return duct 21.
In this embodiment, the hollow bracket 23 includes a fixing ring 231 slidably connected to the cleaning solution tube 11, and a plurality of support rods 232 are circumferentially equidistant from the fixing ring 231, and any one of the support rods 232 is fixedly connected to the fixing ring 231 and the return conduit 21.
In this embodiment, the fixed guide holder 13 is fixedly connected with the return conduit 21 and is used for supporting the cleaning liquid pipe 11, and a plurality of sealing rings are arranged between the fixed guide holder 13 and the cleaning liquid pipe 11, and the sealing rings can be anti-corrosion sealing o-rings and are used for preventing liquid leakage in the process of adjusting the length and the angle in the cleaning process.
As another embodiment of the present utility model, the structure of the combustion chamber and valve soot cleaning apparatus of the automobile engine is substantially the same as that of the above-described example, except that a bearing is provided between the cleaning liquid pipe 11 and the fixed guide holder 13. The inner diameter of the cleaning nozzle 12 close to one end of the cleaning liquid pipe 11 is larger than that of the other end, and the cleaning nozzle is of a truncated cone-like structure, so that the water pressure can be increased to a certain extent, the water flow impact position is more concentrated, and the cleaning effect is better.
In this embodiment, the fixed guide seat 13 is provided with a chute, and the bearing is disposed in the chute and slides along the chute; the arrangement direction of the sliding chute is parallel to the arrangement direction of the return conduit 21; the sliding groove is internally provided with a metal guide rail matched with the bearing, the bearing is connected with the fixed guide seat 13 through the metal guide rail and used for reducing friction between the bearing and the fixed guide seat 13, and the cleaning liquid pipe 11 can slide conveniently. The cleaning liquid pipe 11 can move and rotate along the axial direction of the return conduit 21, so that a larger flushing range is ensured, and a flushing effect is ensured. It is to be understood that the terms "length," "width," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other. What is not described in detail in the embodiments of the present utility model belongs to the prior art known to those skilled in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automobile engine combustion chamber, valve carbon deposit cleaning device, characterized by comprising:
one end of the spray washing assembly (1) is connected with a liquid storage tank, the other end of the spray washing assembly extends into the equipment to be washed and is used for spraying the cleaning liquid, the liquid storage tank is used for storing the cleaning liquid, a spray washing driver is arranged between the liquid storage tank and the spray washing assembly (1), and the spray washing driver is used for driving the liquid to move;
one end of the suction assembly (2) is detachably connected with the equipment to be cleaned, the other end of the suction assembly is connected with a recovery box for extracting waste liquid after cleaning, the recovery box is used for storing the waste liquid after cleaning, a suction driver is arranged between the suction assembly (2) and the recovery box and used for driving the waste liquid to move, and the spray cleaning assembly (1) is connected with the suction assembly (2) and penetrates through the suction assembly (2).
2. The apparatus for cleaning carbon deposit in combustion chambers and valves of an automobile engine according to claim 1, characterized in that said spray assembly (1) comprises:
one end of a cleaning liquid pipe (11) is connected with the spraying driver, and the other end of the cleaning liquid pipe penetrates through the suction assembly (2) and stretches into the equipment to be cleaned;
a cleaning nozzle (12) which is communicated with the cleaning liquid pipe (11) and is arranged at one end of the cleaning liquid pipe (11) far away from the spraying driver;
the fixed guide seat (13) is arranged between the suction assembly (2) and the cleaning liquid pipe (11) and is rotationally connected with the cleaning liquid pipe (11).
3. An automotive engine combustion chamber, valve soot cleaning apparatus according to claim 2, characterized in that said suction assembly (2) comprises:
one end of the reflux conduit (21) is detachably connected with the equipment to be cleaned, and the other end of the reflux conduit is connected with the fixed guide seat (13);
a return pipe (22) having one end connected to the return pipe (21) and the other end connected to the suction driver;
and a hollow bracket (23) which is arranged in the return conduit (21) and is connected with the cleaning liquid pipe (11) and the return conduit (21) at the same time, and is used for supporting the cleaning liquid pipe (11).
4. A combustion chamber, valve soot cleaning device for an automobile engine according to claim 3, characterized in that the end of the return conduit (21) connected to the device to be cleaned is provided with an interface thread (211).
5. A combustion chamber, valve soot cleaning device for an automotive engine according to claim 3, characterized in that the return pipe (22) is connected to the return pipe (21) to form a T-shaped structure.
6. A combustion chamber, valve soot cleaning device for an automotive engine according to claim 3, characterized in that said hollow brackets (23) are arranged side by side in the axial direction of said return duct (21).
7. An automobile engine combustion chamber, valve soot cleaning device according to claim 2, characterized in that the cleaning nozzle (12) is arranged at an angle to the cleaning liquid pipe (11).
8. A combustion chamber and valve carbon deposit cleaning device for an automobile engine according to claim 3, characterized in that the hollow bracket (23) comprises a fixed ring (231) slidingly connected with the cleaning liquid pipe (11), the fixed ring (231) is circumferentially provided with a plurality of support rods (232) at equal intervals, and any support rod (232) is fixedly connected with the fixed ring (231) and the backflow conduit (21) at the same time.
9. An automobile engine combustion chamber, valve carbon deposit cleaning device according to any of claims 2-8, characterized in that a bearing is arranged between the cleaning liquid pipe (11) and the fixed guide seat (13).
10. An automotive engine combustion chamber, valve soot cleaning device according to claim 9, characterized in that the cleaning nozzle (12) is at an angle of 45 ° to the cleaning liquid pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868531.3U CN219638951U (en) | 2023-07-17 | 2023-07-17 | Automobile engine combustion chamber and valve carbon deposit cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868531.3U CN219638951U (en) | 2023-07-17 | 2023-07-17 | Automobile engine combustion chamber and valve carbon deposit cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219638951U true CN219638951U (en) | 2023-09-05 |
Family
ID=87819463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321868531.3U Active CN219638951U (en) | 2023-07-17 | 2023-07-17 | Automobile engine combustion chamber and valve carbon deposit cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219638951U (en) |
-
2023
- 2023-07-17 CN CN202321868531.3U patent/CN219638951U/en active Active
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| GR01 | Patent grant |