CN201614973U - Engine hood and engine ventilator using same - Google Patents
Engine hood and engine ventilator using same Download PDFInfo
- Publication number
- CN201614973U CN201614973U CN2009202144327U CN200920214432U CN201614973U CN 201614973 U CN201614973 U CN 201614973U CN 2009202144327 U CN2009202144327 U CN 2009202144327U CN 200920214432 U CN200920214432 U CN 200920214432U CN 201614973 U CN201614973 U CN 201614973U
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- CN
- China
- Prior art keywords
- hollow cavity
- engine
- engine hood
- camshaft
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine hood and an engine ventilator using same. The engine hood is provided with a hollow cavity body which comprises an air inlet and a connection port for a camshaft chamber cover; the air inlet is used for allowing air to enter the hollow cavity body; and the connection port for the camshaft chamber cover is used for communicating the hollow cavity body with the camshaft chamber cover, causing the air to flow into the camshaft housing. The engine cover is adopted, so that the area for the air to ventilate is larger, the icing tendency obvious decreases, and the engine ventilator has higher integrity and smaller size.
Description
Technical field
The utility model relates to motor car engine, especially designs a kind of engine hood and breathing of engine device.
Background technique
The draft type of the crankcase of motor is divided into natural ventilation and forced ventilation dual mode.Wherein, the forced ventilation mode is divided into general expression, one-way valve type, deaerator formula and integrated type again.
In the crankcase that adopts integrated type to ventilate, in connecting the pipeline of crankcase and suction tude, be connected one-way valve and deaerator, the one-way valve that is connected in the pipeline of connection crankcase and suction tude is used to prevent the machine oil sucking-off with in the crankcase.The deaerator that in connecting the pipeline of crankcase and suction tude, is connected, the oil, the gas that are used for aspirating in crankcase separate, and make the oil of liquid state flow back to crankcase, and the aspiration of gaseous state is gone into suction tude, can reduce the consumption of machine oil like this.Thereby guaranteed motor oil lubricating stable under the various operating modes.
Yet the fresh aeration structure of integrated type crankcase ventilation all adopts pipeline connection, and there is the shortcoming of following three aspects in its structure: one, the circulation volume is little, and pipeline freezes under cryogenic conditions easily; Two, level of integration is low, install loaded down with trivial details, volume is bigger; Three, pipeline is exposed outside, causes the damage of pipeline easily; And existing engine hood does not have functional, and Utilization ratio is relatively poor.
Therefore, be necessary to design a kind of novel engine ventilation plant and overcome above-mentioned shortcoming.
The model utility content
The utility model is based on the integrated type forced ventilation, at the defective of prior art, proposes the engine hood that a kind of volume that circulates is big, level of integration is high and adopts the breathing of engine device of this generating hood.
Engine hood of the present utility model has hollow cavity, comprises air inlet and camshaft chest cover connection mouth on described hollow cavity, and wherein: air inlet is used to make air to enter described hollow cavity; Camshaft chest cover connection mouth is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.
Preferably, the volume of described hollow cavity is 100cm
3To 150cm
3
Preferably, described air inlet is positioned at the top of engine hood 1, forms predetermined angle with the external world.
Preferably, described camshaft chest cover connection mouth and engine hood are integrally formed.
The utility model also provides a kind of breathing of engine device, it is characterized in that, described device comprises engine hood, camshaft cover, wherein, described engine hood has hollow cavity, comprise air inlet and camshaft chest cover connection mouth on described hollow cavity, wherein: air inlet is used to make air to enter described hollow cavity; Camshaft chest cover connection mouth is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.
Preferably, also comprise the fresh air tube that is connected with described air inlet.
Preferably, also comprise gas mixing pipe, described gas mixing pipe is connected between camshaft chest cover connection mouth and the intake manifold.
Adopt engine hood of the present utility model, the circulation volume of air-flow increases, and has obviously reduced the trend of freezing, and has made that the level of integration of breathing of engine device is higher, and volume is less.
Description of drawings
Fig. 1 is the schematic cross-section of the utility model engine hood;
Fig. 2 is an air-flow schematic representation of using the utility model engine hood;
Fig. 3 is a block diagram of using the breathing of engine device of the utility model engine hood.
Embodiment
As shown in Figure 1 and Figure 2, described engine hood 1 has hollow cavity 2, comprises air inlet 3 and camshaft chest cover connection mouth 4 on described hollow cavity 2.
Owing to adopt the hollow cavity 2 that is provided with in the engine hood 1, because the insulation effect of engine hood housing has been improved the ventilating and thermal insulating performance significantly, reduced the risk of freezing, and the level of integration of device is provided as connecting pipeline.
Camshaft chest cover connection mouth 4 is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.Camshaft chest cover connection mouth 4 is positioned at the joint of engine hood 1 and camshaft chest cover 20, and similar to air inlet 3, camshaft chest cover connection mouth 4 can be the part of engine hood 1, and is integrally formed with engine hood 1.Therefore, can adopt with engine hood 1 identical materials and make.
As shown in Figure 2, fresh air flows into from air inlet 3, flows through hollow cavity 2, flows out from camshaft chest cover connection mouth 4.
Correspondingly, the utility model also provides a kind of breathing of engine device of using above-mentioned engine hood.Described breathing of engine device comprises engine hood 1 and the camshaft cover 20 that is attached thereto.
As engine hood shown in Figure 1, described engine hood has hollow cavity 2, comprises air inlet 3 and camshaft chest cover connection mouth 4 on described hollow cavity 2, and wherein: air inlet 3 is used to make air to enter described hollow cavity; Camshaft chest cover connection mouth 4 is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.
Described breathing of engine device can also comprise fresh air tube and gas mixing pipe (not shown), and according to the signal of Fig. 3 as can be known, fresh air tube is connected with air inlet 2, and gas mixing pipe is connected between camshaft chest cover connection mouth 4 and the intake manifold 30.
Described breathing of engine device makes engine crankcase keep negative pressure, and it is good that oil sealing sealing keeps, and oily vapour is fully separated, and kept lower consumption of lubricating oil.
As shown in Figure 3, fresh air is inflow engine covers 1 (along solid arrow direction the figure) before closure 40, and fresh air flows in the camshaft cover 20 by the camshaft chest cover connection mouth 4 of engine hood 1, carry out oil gas with crankcase under the camshaft cover 20 and mix.Mixed gas is from crankcase flow through behind the gas and oil separating plant of camshaft cover cap (along solid arrow direction the figure) in the intake manifold 30 of inflow engine again.
Under some operating mode, can form malleation (or the pressure of crankcase pressure before) at least in the crankcase greater than closure, at this time, the oil gas of understanding in some crankcase flows out via hood 1, passes through closure 40 then, enters intake manifold 30.(along accompanying drawing 3 dotted arrow directions), this phenomenon are called the anti-channeling of gas in the crankcase.
Although the utility model is to describe by above-mentioned preferred implementation, its way of realization is not limited to above-mentioned mode of execution.Should be realized that under the situation that does not break away from the utility model purport those skilled in the art can make different variations and modification to the utility model.
Claims (7)
1. an engine hood is characterized in that, described engine hood has hollow cavity, comprises air inlet and camshaft chest cover connection mouth on described hollow cavity, wherein:
Air inlet is used to make air to enter described hollow cavity;
Camshaft chest cover connection mouth is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.
2. engine hood according to claim 1 is characterized in that, the volume of described hollow cavity is 100cm
3To 150cm
3
3. engine hood according to claim 1 and 2 is characterized in that described air inlet is positioned at the top of engine hood 1, forms predetermined angle with the external world.
4. engine hood according to claim 3 is characterized in that, described camshaft chest cover connection mouth and engine hood are integrally formed.
5. a breathing of engine device is characterized in that, described device comprises engine hood, camshaft chest cover, and wherein, described engine hood has hollow cavity, comprises air inlet and camshaft chest cover connection mouth on described hollow cavity, wherein:
Air inlet is used to make air to enter described hollow cavity;
Camshaft chest cover connection mouth is used for hollow cavity is connected with the camshaft chest cover, to pass air into camshaft chest.
6. breathing of engine device according to claim 5 is characterized in that, also comprises the fresh air tube that is connected with described air inlet.
7. breathing of engine device according to claim 6 is characterized in that, also comprises gas mixing pipe, and described gas mixing pipe is connected between camshaft chest cover connection mouth and the intake manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202144327U CN201614973U (en) | 2009-11-24 | 2009-11-24 | Engine hood and engine ventilator using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202144327U CN201614973U (en) | 2009-11-24 | 2009-11-24 | Engine hood and engine ventilator using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201614973U true CN201614973U (en) | 2010-10-27 |
Family
ID=43001342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202144327U Expired - Fee Related CN201614973U (en) | 2009-11-24 | 2009-11-24 | Engine hood and engine ventilator using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201614973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424435A (en) * | 2017-08-22 | 2019-03-05 | 马自达汽车株式会社 | Vehicle |
-
2009
- 2009-11-24 CN CN2009202144327U patent/CN201614973U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424435A (en) * | 2017-08-22 | 2019-03-05 | 马自达汽车株式会社 | Vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20171124 |