CN203669950U - Four-cylinder double overhead automobile cam - Google Patents
Four-cylinder double overhead automobile cam Download PDFInfo
- Publication number
- CN203669950U CN203669950U CN201320727513.3U CN201320727513U CN203669950U CN 203669950 U CN203669950 U CN 203669950U CN 201320727513 U CN201320727513 U CN 201320727513U CN 203669950 U CN203669950 U CN 203669950U
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- CN
- China
- Prior art keywords
- cam
- engine
- cylinder double
- double overhead
- increased
- 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 - Lifetime
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- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 210000001624 hip Anatomy 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Abstract
The utility model discloses a four-cylinder double overhead automobile cam. The cam is used for both air inflowing and air exhausting; by means of changing of modeled lines of the cam, the lift values of two waists of the cam are increased, the largest lift of the cam is reduced, the fullness coefficient of the cam is increased, and accordingly abnormal sounds and noise of an engine are lowered, the torque point of the engine is increased to 115 N. m / 4500 turns, and emission performance of the engine is superior to that of an original machine model.
Description
Technical field
The utility model relates to a kind of cam, especially a kind of four cylinder double overhead motor car engine intake and exhaust valve cam used.
Background technique
At present, the molded line of motor car engine intake and exhaust valve cam used is related to fullness coefficient and the inflation performance of cam, directly affect engine output, engine output torque, oil consumption and combustion noise etc., directly determine whether composition and the concentration etc. of harmful gas in sufficient combustion, exhaust emissions of fuel oil.The today of skyrocketing in energy prices, Consumer requires harsh today to automotive performance, and each manufacturer is all devoted to study the motor car engine cam profile that engine output is higher, oil consumption is lower.
Model utility content
The four cylinder double overhead vehicle cams that provide a kind of maximum output high are provided technical problem to be solved in the utility model.
The technical solution of the utility model is as follows: a kind of four cylinder double overhead vehicle cams, and described cam (1) is that air inlet and exhaust share, its lift that rotates a circle is as following table:
Beneficial effect: the utility model is by changing the molded line of cam, improve the lift range value of cam two waists, reduce the maximum lift of cam, improve cam fullness coefficient, thereby engine abnormal noise and noise are reduced, make Engine torque point be increased to 115N.m/4500 and turn, and the discharge of motor is better than former type.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises cam 1, and described cam 1 is that air inlet and exhaust share, and this cam 1 rotates a circle lift as following table:
Claims (1)
1. four cylinder double overhead vehicle cams, is characterized in that: described cam (1) is that air inlet and exhaust share, and its lift that rotates a circle is as following table:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727513.3U CN203669950U (en) | 2013-11-16 | 2013-11-16 | Four-cylinder double overhead automobile cam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727513.3U CN203669950U (en) | 2013-11-16 | 2013-11-16 | Four-cylinder double overhead automobile cam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669950U true CN203669950U (en) | 2014-06-25 |
Family
ID=50966259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727513.3U Expired - Lifetime CN203669950U (en) | 2013-11-16 | 2013-11-16 | Four-cylinder double overhead automobile cam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669950U (en) |
-
2013
- 2013-11-16 CN CN201320727513.3U patent/CN203669950U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |