CN105332818A - Cylinder head cover integrated with air filter - Google Patents
Cylinder head cover integrated with air filter Download PDFInfo
- Publication number
- CN105332818A CN105332818A CN201510902424.1A CN201510902424A CN105332818A CN 105332818 A CN105332818 A CN 105332818A CN 201510902424 A CN201510902424 A CN 201510902424A CN 105332818 A CN105332818 A CN 105332818A
- Authority
- CN
- China
- Prior art keywords
- air filter
- air
- cylinder cap
- cover plate
- oil
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0068—Adaptations for other accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0405—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in covering members apertures, e.g. caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/048—Arranging or mounting on or with respect to engines or vehicle bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of automobile engines, and particularly relates to a cylinder head cover integrated with an air filter. The cylinder head cover integrated with the air filter comprises an air filter cover plate, an air filter body, a filter element, a cylinder head cover body and a labyrinth-shaped cover plate, wherein an intake cavity is formed between the air filter cover plate and the air filter body; an intake tube is arranged on the air filter cover plate; an exhaust tube and a first exhaust port are arranged on the air filter body; the exhaust tube is connected with a joint through a rubber hose; an air filter cavity is formed between the air filter cover plate and the cylinder head cover; the filter element is arranged in the air filter cavity; a fresh air introduction cavity and an oil-gas separation cavity are formed between the labyrinth-shaped cover plate and the cylinder head cover body; and an oil return tube and a second exhaust port are arranged on the labyrinth-shaped cover plate. The cylinder head cover integrated with the air filter has the functions of the air filter and the cylinder head cover, effectively combines an intake system with a crankcase ventilation system, and is compact in structure and capable of simplifying the overall layout of an engine.
Description
Technical field
The present invention relates to technical field of automobile engine, especially a kind of cylinder cap cover cap being integrated with air filter.
Background technique
Along with the development of Domestic Automotive Industry and technology and safety, environmental protection, energy-conservation requirement, automotive light weight technology, miniaturization become development trend in the future, to tackle increasingly strict Abgasgesetz.Air filter and cylinder cap cover cap are all the more important parts of motor.Traditional air filter and cylinder cap cover cap are all arranged apart, and air filter belongs to a part for gas handling system, and general air filter is fixed in intake manifold by support, and cylinder cap cover cap belongs to crankcase ventilation system, is bolted engine cylinder and covers.Air filter and the cylinder cap cover cap of causing arranged apart takes up room comparatively greatly, and whole engine structure is compact not, is unfavorable for the development trend of automotive light weight technology and miniaturization.
Summary of the invention
The present invention is intended to solve the problem, provide a kind of cylinder cap cover cap being integrated with air filter, it has possessed the function of air filter and cylinder cap cover cap, gas handling system and crankcase ventilation system are effectively combined, compact structure, can make overall engine topological simplicity, its technological scheme adopted is as follows:
A kind of cylinder cap cover cap being integrated with air filter, it is characterized in that, comprise: air filter cover plate, air filter body, filter core, cylinder cap bonnet body and labyrinth cover plate, described air filter cover plate adopts vibration friction welding to be connected with air filter body one, air-inlet cavity is formed between described air filter cover plate and air filter body, described air filter cover plate is provided with the suction tude be connected with air-inlet cavity, described air filter body is provided with steam outlet pipe and the first air outlet, described steam outlet pipe is connected with the joint on cylinder cap bonnet body by rubber hose, described first air outlet is connected with throttle body by flexible pipe, described cylinder cap bonnet body is removably connected to the bottom place of air filter body, air filter chamber is formed between described air filter cover plate and cylinder cap bonnet body, described air filter chamber is connected with air-inlet cavity, described filter core is arranged in air filter chamber, described labyrinth cover plate and cylinder cap bonnet body are connected as one by Vibration welding, described labyrinth cover plate with form the fresh air be connected between cylinder cap bonnet body and introduce chamber and oil-gas separation chamber two cavitys, joint and the fresh air of described cylinder cap bonnet body are introduced chamber and are directly communicated with, the gas part entered by suction tude enters fresh air by steam outlet pipe and introduces chamber after air-inlet cavity, another part enters throttle body by the first air outlet after the filter core in air filter chamber, described labyrinth cover plate is provided with return tube and the second air outlet, described second air outlet is the outlet that fresh air introduces chamber, described return tube is directly communicated with oil-gas separation chamber, be provided with the oil-gas separation chamber entrance be connected with oil-gas separation chamber in described cylinder cap bonnet body, described cylinder cap bonnet body be provided with and be connected with oil-gas separation chamber and oil-gas separation chamber for being connected with intake manifold exports.
On technique scheme basis, described air filter cover plate and air filter body are by nylon material molding and forming.
On technique scheme basis, described suction tude flare.
On technique scheme basis, be provided with the labyrinth baffle plate of many group interlaced arrangement in described oil-gas separation chamber, by means of the S-shaped flowing of fuel-air mixture of flowing in the baffle plate oil-gas separation chamber of labyrinth.
On technique scheme basis, be provided with one piece of baffle plate in described oil-gas separation chamber, described baffle plate is formed with some vertically and the perpendicular muscle paralleled, described baffle plate is positioned at the back segment place of oil-gas separation chamber.On baffle plate, the effect of perpendicular muscle is that after ensureing mist of oil mixed gas collision baffle plate, oil droplet is more effective is attached to baffle surface, improves oil-gas separation efficiency, labyrinth baffle plate is common plate, not perpendicular muscle, baffle plate has perpendicular muscle, so baffle plate relative separation efficiency is higher above.
Preferably, the attachment face of described cylinder cap bonnet body offers seal groove, is provided with seal ring in described seal groove, described seal ring is higher than the attachment face of cylinder cap bonnet body.
On technique scheme basis, the surrounding place, outside in the air filter chamber of described cylinder cap bonnet body is provided with several plastic stents, described plastic stent by injection moulding and cylinder cap bonnet body one-body molded, described plastic stent is fixed with metal buckle, and described air filter body is connected with cylinder cap bonnet body by metal buckle and independent plastic buckle.
Tool of the present invention has the following advantages: (1) adopts nylon+glass fiber material, and cost is low, lightweight, is conducive to the integrated of parts.
(2) air filter is effectively connected together with plastic buckle by metal buckle with cylinder cap cover cap, and saved arrangement space, motor is compacter.
(3) cavity of air filter body and the formation of cylinder cap cover cap, is just being used on the filter core arranging air filter, saves space, structure is simple.
(4) cylinder cap bonnet body and oil-gas separation chamber cover plate form two chamber disengagement chambers by Vibration welding, fresh air is introduced chamber and is used for supplementing fresh air, oil-gas separation chamber adopts labyrinth baffle plate and baffle plate to combine, and ensure that the pressure balance in crankcase, oil gas separation.
(5) cylinder head cover covers and introduces the adapter of fresh air and be positioned at immediately below air filter steam outlet pipe, and close together, is convenient to flexible pipe and connects.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in the following describes is only a kind of embodiment of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also extend obtain other enforcement accompanying drawing according to the accompanying drawing provided.
Fig. 1: cross-sectional view of the present invention;
Fig. 2: of the present inventionly face structural representation;
Fig. 3: the structural representation of labyrinth of the present invention cover plate;
Embodiment
Below in conjunction with accompanying drawing and example, the invention will be further described:
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
As depicted in figs. 1 and 2, a kind of cylinder cap cover cap being integrated with air filter of the present embodiment, it is characterized in that, comprise: air filter cover plate 1, air filter body 2, filter core 3, cylinder cap bonnet body 6 and labyrinth cover plate 7, described air filter cover plate 1 adopts vibration friction welding to be connected with air filter body 2 one, air-inlet cavity is formed between described air filter cover plate 1 and air filter body 2, described air filter cover plate 1 is provided with the suction tude 10 be connected with air-inlet cavity, described air filter body 2 is provided with steam outlet pipe 11 and the first air outlet 12, described steam outlet pipe 11 is connected with the joint 13 on cylinder cap bonnet body 6 by rubber hose 9, described first air outlet 12 is connected with throttle body by flexible pipe, described cylinder cap bonnet body 6 is removably connected to the bottom place of air filter body 2, air filter chamber 20 is formed between described air filter cover plate 1 and cylinder cap bonnet body 6, described air filter chamber 20 is connected with air-inlet cavity, described filter core 3 is arranged in air filter chamber 20, described labyrinth cover plate 7 and cylinder cap bonnet body 6 are connected as one by Vibration welding, described labyrinth cover plate 7 with form the fresh air be connected between cylinder cap bonnet body 6 and introduce chamber 50 and oil-gas separation chamber 60 two cavitys, joint 13 and the fresh air of described cylinder cap bonnet body 6 are introduced chamber 50 and are directly communicated with, the gas part entered by suction tude 10 enters fresh air by steam outlet pipe 11 and introduces chamber 50 after air-inlet cavity, joint 13 place of cylinder cap bonnet body 6 is the fresh air inlet 51 that fresh air introduces chamber 50, another part enters throttle body by the first air outlet 12 after the filter core 3 in air filter chamber 20, described labyrinth cover plate 7 is provided with return tube 14 and the second air outlet 15, described second air outlet 15 is the outlet in fresh air introducing chamber 50, described return tube 14 is directly communicated with oil-gas separation chamber 60, be provided with the oil-gas separation chamber entrance 61 be connected with oil-gas separation chamber 60 in described cylinder cap bonnet body 6, described cylinder cap bonnet body 6 be provided with and be connected with oil-gas separation chamber 60 and oil-gas separation chamber for being connected with intake manifold exports 62.
Preferably, described air filter cover plate 1 and air filter body 2 are by nylon material molding and forming.
Preferably, described suction tude 10 flare.
As shown in Figure 3, preferably, the labyrinth baffle plate 30 of many group interlaced arrangement is provided with in described oil-gas separation chamber 60, by means of the S-shaped flowing of fuel-air mixture of flowing in labyrinth baffle plate 30 oil-gas separation chamber 60, accurately make air-fuel mixture air-flow A curved flowing as shown in Figure 3, by extending flow path thus improving oil-gas separation efficiency.
Preferably, be provided with one piece of baffle plate 31 in described oil-gas separation chamber 60, described baffle plate 31 is formed with some vertically and the perpendicular muscle 32 paralleled, described baffle plate 31 is positioned at the back segment place of oil-gas separation chamber 60.It should be noted that herein, so-called back segment refers to that fuel-air mixture first flows through labyrinth baffle plate 30 by ingress and enters outlet port finally by baffle plate 31, on baffle plate, the effect of perpendicular muscle is after ensureing mist of oil mixed gas collision baffle plate, oil droplet is more effectively attached to baffle surface, improve oil-gas separation efficiency, labyrinth baffle plate is common plate, not perpendicular muscle above, baffle plate there is perpendicular muscle, so baffle plate relative separation efficiency is higher, but compare labyrinth baffle plate simultaneously, air-flow reduction of speed can be made comparatively large, make gas-flow resistance become large.Labyrinth baffle plate is set and can ensures that gas is in the flowing in s shape of oil-gas separation chamber inside, not only ensure certain oil-gas separation efficiency but also be unlikely to produce the large pressure loss, baffle plate is set and contains perpendicular muscle, effectively can improve separation effect, but can the pressure loss be increased simultaneously, therefore baffle plate should not arrange too much, according to the result of lot of experiments, at leading portion, labyrinth baffle plate is set, the effect that back segment arranges baffle plate wants better, in the guarantee pressure loss under similar circumstances, oil-gas separation efficiency, than front end, baffle plate is set, the scheme oil-gas separation efficiency that back segment arranges labyrinth baffle plate will improve 10%, this is mainly because front end arranges baffle plate, rear end arranges labyrinth baffle plate, after high-speed starting can be made to flow through baffle plate, speed sharply declines, thus after entering labyrinth baffle plate, gas flow rates is very low, the surface being attached to labyrinth baffle plate is difficult to through labyrinth baffle plate oil droplet, thus oil-gas separation efficiency is lower, and leading portion arranges labyrinth baffle plate, back segment arranges the scheme of baffle plate, gas flow speed after the baffle plate of labyrinth evenly declines, after reaching baffle plate, also retain speed faster, be conducive to the surface that oil droplet is attached to the perpendicular muscle of baffle plate, thus oil-gas separation efficiency is higher.
Preferably, the attachment face of described cylinder cap bonnet body 6 offers seal groove, is provided with seal ring in described seal groove, described seal ring is higher than the attachment face of cylinder cap bonnet body 6.
Preferably, the surrounding place, outside in the air filter chamber of described cylinder cap bonnet body 6 is provided with several plastic stents, described plastic stent by injection moulding and cylinder cap bonnet body 6 one-body molded, described plastic stent is fixed with metal buckle 4, described air filter body 2 is connected with cylinder cap bonnet body 6 by metal buckle 4 and independent plastic buckle 5.
Describe the present invention by way of example above, but the invention is not restricted to above-mentioned specific embodiment, all any changes of doing based on the present invention or modification all belong to the scope of protection of present invention.
Claims (6)
1. one kind is integrated with the cylinder cap cover cap of air filter, it is characterized in that, comprise: air filter cover plate (1), air filter body (2), filter core (3), cylinder cap bonnet body (6) and labyrinth cover plate (7), described air filter cover plate (1) adopts vibration friction welding to be connected with air filter body (2) one, air-inlet cavity is formed between described air filter cover plate (1) and air filter body (2), described air filter cover plate (1) is provided with the suction tude (10) be connected with air-inlet cavity, described air filter body (2) is provided with steam outlet pipe (11) and the first air outlet (12), described steam outlet pipe (11) is connected with the joint (13) on cylinder cap bonnet body (6) by rubber hose (9), described first air outlet (12) is connected with throttle body by flexible pipe, described cylinder cap bonnet body (6) is removably connected to the bottom place of air filter body (2), air filter chamber (20) is formed between described air filter cover plate (1) and cylinder cap bonnet body (6), described air filter chamber (20) is connected with air-inlet cavity, described filter core (3) is arranged in air filter chamber (20), described labyrinth cover plate (7) and cylinder cap bonnet body (6) are connected as one by Vibration welding, form the fresh air be connected between described labyrinth cover plate (7) with cylinder cap bonnet body (6) and introduce chamber (50) and oil-gas separation chamber (60) two cavitys, joint (13) and the fresh air of described cylinder cap bonnet body (6) are introduced chamber (50) and are directly communicated with, the gas part entered by suction tude (10) enters fresh air by steam outlet pipe (11) and introduces chamber (50) after air-inlet cavity, another part enters throttle body by the first air outlet (12) after the filter core (3) in air filter chamber (20), described labyrinth cover plate (7) is provided with return tube (14) and the second air outlet (15), described second air outlet (15) is the outlet of fresh air introducing chamber (50), described return tube (14) is directly communicated with oil-gas separation chamber (60), the oil-gas separation chamber entrance (61) be connected with oil-gas separation chamber (60) is provided with in described cylinder cap bonnet body (6), described cylinder cap bonnet body (6) is provided with and is connected with oil-gas separation chamber (60) and oil-gas separation chamber for being connected with intake manifold exports (62).
2. a kind of cylinder cap cover cap being integrated with air filter according to claim 1, is characterized in that: described air filter cover plate (1) and air filter body (2) are by nylon material molding and forming.
3. a kind of cylinder cap cover cap being integrated with air filter according to claim 1, is characterized in that: described suction tude (10) flare.
4. a kind of cylinder cap cover cap being integrated with air filter according to claim 1, it is characterized in that: the labyrinth baffle plate (30) being provided with many group interlaced arrangement in described oil-gas separation chamber (60), by means of the S-shaped flowing of fuel-air mixture of flowing in labyrinth baffle plate (30) oil-gas separation chamber (60).
5. a kind of cylinder cap cover cap being integrated with air filter according to claim 4, it is characterized in that: in described oil-gas separation chamber (60), be provided with one piece of baffle plate (31), described baffle plate (31) is formed with some vertically and the perpendicular muscle (32) paralleled, described baffle plate (31) is positioned at the back segment place of oil-gas separation chamber (60).
6. a kind of cylinder cap cover cap being integrated with air filter according to claim 1, it is characterized in that: the surrounding place, outside in the air filter chamber of described cylinder cap bonnet body (6) is provided with several plastic stents, described plastic stent by injection moulding and cylinder cap bonnet body (6) one-body molded, described plastic stent is fixed with metal buckle (4), described air filter body (2) is connected with cylinder cap bonnet body (6) by metal buckle (4) and independent plastic buckle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902424.1A CN105332818A (en) | 2015-12-08 | 2015-12-08 | Cylinder head cover integrated with air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902424.1A CN105332818A (en) | 2015-12-08 | 2015-12-08 | Cylinder head cover integrated with air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105332818A true CN105332818A (en) | 2016-02-17 |
Family
ID=55283543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510902424.1A Pending CN105332818A (en) | 2015-12-08 | 2015-12-08 | Cylinder head cover integrated with air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105332818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379610A (en) * | 2018-12-31 | 2020-07-07 | 株式会社久保田 | Cylinder head cover |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982240Y (en) * | 2006-09-30 | 2007-11-28 | 比亚迪股份有限公司 | Air filter, crank box forced passage pipe and air cylinder hood integration |
| CN201614987U (en) * | 2009-12-31 | 2010-10-27 | 浙江吉利汽车研究院有限公司 | Cylinder cover with air filtering function |
| US20120073539A1 (en) * | 2010-09-28 | 2012-03-29 | Kia Motors Corporation | Integrated air intake system |
| CN202202998U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Integrated air filter for small-displacement automobile |
| CN205206988U (en) * | 2015-12-08 | 2016-05-04 | 青岛华涛汽车模具有限公司 | Cylinder cap shroud of empty filter has integrateed |
-
2015
- 2015-12-08 CN CN201510902424.1A patent/CN105332818A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200982240Y (en) * | 2006-09-30 | 2007-11-28 | 比亚迪股份有限公司 | Air filter, crank box forced passage pipe and air cylinder hood integration |
| CN201614987U (en) * | 2009-12-31 | 2010-10-27 | 浙江吉利汽车研究院有限公司 | Cylinder cover with air filtering function |
| US20120073539A1 (en) * | 2010-09-28 | 2012-03-29 | Kia Motors Corporation | Integrated air intake system |
| CN202202998U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Integrated air filter for small-displacement automobile |
| CN205206988U (en) * | 2015-12-08 | 2016-05-04 | 青岛华涛汽车模具有限公司 | Cylinder cap shroud of empty filter has integrateed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379610A (en) * | 2018-12-31 | 2020-07-07 | 株式会社久保田 | Cylinder head cover |
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Application publication date: 20160217 |
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