CN105275563A - Middle exhaust manifold of in-line five-cylinder diesel engine - Google Patents
Middle exhaust manifold of in-line five-cylinder diesel engine Download PDFInfo
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- CN105275563A CN105275563A CN201510774849.9A CN201510774849A CN105275563A CN 105275563 A CN105275563 A CN 105275563A CN 201510774849 A CN201510774849 A CN 201510774849A CN 105275563 A CN105275563 A CN 105275563A
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- gas inlet
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Abstract
The invention discloses a middle exhaust manifold of an in-line five-cylinder diesel engine. The middle exhaust manifold comprises an exhaust manifold shell. Four air inlets and two air outlets are formed in the exhaust manifold shell. The two air inlets are located in the two ends of the shell respectively, and the other two air inlets are located in the end face of one side of the shell. The two air outlets are located in the end face of the other side of the shell. The exhaust manifold shell is further provided with two inner cavities. According to the middle exhaust manifold, the shape of all inner cavity waste gas channels is regular, intersection and transition are smooth, on the premise that it is guaranteed that the overall structure and arrangement of the exhaust manifold of the in-line five-cylinder diesel engine are reasonable, the flow field speed and the pressure inside the middle exhaust manifold are distributed uniformly, the structure advantage is outstanding, machining is easy, the practicability is high, and popularization is convenient.
Description
Technical field
The invention belongs to the gas exhaust manifold technical field of diesel engine, be specifically related to a kind of middle gas exhaust manifold of five cylinder diesel engine in upright arrangement.
Background technique
Although five cylinder diesel engine in upright arrangement are rarely found, the vacancy of in-line four cylinder diesel engine and six-in-line diesel engine technologies application can be filled up well.Usually, the quantity of the gas exhaust manifold air outlet of five cylinder diesel engine in upright arrangement is two, in order to reduce the mutual obstruction of each cylinder when being vented as far as possible, can distribute according to the position of ignition order (ignition order is identical with exhausting sequence) and gas exhaust manifold air outlet the air outlet that each cylinder exhaust passage connects.Therefore, waste gas streams reasonable in design to and exhaust passage, ensure that the performance of good flow field structure to motor has very important effect.And for the mid-gas exhaust manifold in 3 stops, air outlet, namely gas exhaust manifold can be divided into front exhaust manifold, middle gas exhaust manifold and back exhaust manifold, forward and backward gas exhaust manifold is connected with middle gas exhaust manifold respectively, and air outlet is all arranged on gas exhaust manifold, and the design of middle gas exhaust manifold is particularly important.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of middle gas exhaust manifold of five cylinder diesel engine in upright arrangement, above technical barrier can be overcome.
For achieving the above object, the technical solution adopted in the present invention is: a kind of middle gas exhaust manifold of five cylinder diesel engine in upright arrangement, comprise gas exhaust manifold housing, described gas exhaust manifold housing is provided with four suction ports and two air outlets, the side end face that two suction ports lay respectively at the two ends of housing, another two suction ports are positioned at housing, two air outlets are positioned at the opposite side end face of housing, are also provided with two inner chambers in gas exhaust manifold housing.
Described four suction ports comprise first and second cylinder waste gas inlet, the 3rd cylinder waste gas inlet, the 4th cylinder waste gas inlet and the 5th cylinder waste gas inlet, first and second cylinder waste gas inlet described and the 5th cylinder waste gas inlet lay respectively at the two ends of housing, and described 3rd cylinder waste gas inlet and the 4th cylinder waste gas inlet are positioned at a side end face of housing; Described two air outlets comprise first and second, five cylinder waste gas air outlets and third and fourth cylinder waste gas air outlet, described two air outlets are positioned at the opposite side end face of housing; Described two inner chambers comprise first and second, the five cylinder waste gas streams inner chamber of threading a pipe and third and fourth cylinder waste gas streams inner chamber of threading a pipe, wherein, two inner-cavity structures are different and be not communicated with mutually.
Described first and second, the five cylinder waste gas streams inner chamber of threading a pipe comprises three ports, be respectively first and second cylinder waste gas inlet, the 5th cylinder waste gas inlet and first and second, five cylinder waste gas air outlets, described first and second, the five cylinder waste gas streams inner chamber of threading a pipe comprises first and second cylinder exhaust steam passage and the 5th cylinder exhaust steam passage, first and second cylinder exhaust steam passage described and the 5th cylinder exhaust steam passage cross and to be communicated with first and second, five cylinder waste gas air outlets in " T " font.
The inner chamber that third and fourth cylinder waste gas streams described is threaded a pipe comprises three ports, be respectively the 3rd cylinder waste gas inlet, the 4th cylinder waste gas inlet and third and fourth cylinder waste gas air outlet, the inner chamber that third and fourth cylinder waste gas streams described is threaded a pipe comprises the 3rd cylinder exhaust steam passage and the 4th cylinder exhaust steam passage, and it is that " Y " font is communicated with third and fourth cylinder waste gas air outlet that described 3rd cylinder exhaust steam passage and the 4th cylinder exhaust steam passage cross.
Wherein, first and second cylinder waste gas inlet is the waste gas air outlet of the front exhaust manifold of five cylinder diesel engine in upright arrangement, and namely, front exhaust manifold is first and second cylinder gas exhaust manifold; 5th cylinder waste gas inlet is the waste gas air outlet of the back exhaust manifold of five cylinder diesel engine in upright arrangement, and namely, back exhaust manifold is the 5th cylinder gas exhaust manifold.
During specific works, when the first cylinder or the exhaust of the second cylinder, waste gas enters middle gas exhaust manifold from motor front exhaust manifold by first and second cylinder waste gas inlet, through first and second, first and second cylinder exhaust steam passage in the five cylinder waste gas streams inner chamber of threading a pipe, finally by first and second, five cylinder waste gas air outlets flow out gas exhaust manifolds.According to the ignition order (1-2-4-5-3) of general five cylinder diesel engine in upright arrangement, now basic not from the waste gas of the 5th cylinder in the 5th cylinder exhaust steam passage, decrease the impact that first and second cylinder is vented.Otherwise, during the 5th cylinder exhaust, as the same.
When the 3rd cylinder exhaust, waste gas enters middle gas exhaust manifold from the 3rd cylinder waste gas inlet, and the 3rd cylinder exhaust steam passage in the inner chamber that third and fourth cylinder waste gas streams is threaded a pipe, finally flows out gas exhaust manifold by third and fourth cylinder waste gas air outlet.According to the ignition order (1-2-4-5-3) of general five cylinder diesel engine in upright arrangement, now basic not from the waste gas of the 4th cylinder in the 4th cylinder exhaust steam passage, decrease the impact on the 3rd cylinder exhaust.Otherwise, during the 4th cylinder exhaust, as the same.
The invention has the beneficial effects as follows: middle gas exhaust manifold of the present invention, make motor first and second, inner chamber that the waste gas streams of five cylinders is threaded a pipe communicates, but the exhaust of the exhaust of first and second cylinder and the 5th cylinder is independent of each other again; The inner chamber that the waste gas streams of third and fourth cylinder is threaded a pipe communicates, but the exhaust of third and fourth cylinder is independent of each other again.The shape of each inner chamber exhaust steam passage is carefully and neatly done, the transition that crosses is smooth and easy, under the gas exhaust manifold overall structure ensureing five cylinder diesel engine in upright arrangement and favorably situated prerequisite, middle gas exhaust manifold interior flow field speed and pressure distribution even, structural advantages is given prominence to, be easy to processing, practical, be convenient to promote.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is another three-dimensional structure diagram of the present invention.
Fig. 3 is the structural representation of a first embodiment of the invention inner chamber.
Fig. 4 is the structural representation of another inner chamber of first embodiment of the invention.
Fig. 5 is the structural representation of a second embodiment of the invention inner chamber.
Fig. 6 is the structural representation of another inner chamber of second embodiment of the invention.
In figure: 1-suction port, 2-air outlet, 3-housing, 1.1-first, two cylinder waste gas inlet, 1.2-the 3rd cylinder waste gas inlet, 1.3-the 4th cylinder waste gas inlet, 1.4-the 5th cylinder waste gas inlet, 1.5-first, two, five cylinder waste gas air outlets, 1.6-the 3rd, four cylinder waste gas air outlets, 1.7-first, two, the inner chamber that five cylinder waste gas streams are threaded a pipe, 1.8-the 3rd, the inner chamber that four cylinder waste gas streams are threaded a pipe, 1.9-first, two cylinder exhaust steam passage, 1.10-the 5th cylinder exhaust steam passage, 1.11-the 3rd cylinder exhaust steam passage, 1.12-the 4th cylinder exhaust steam passage, 2.1-first cylinder waste gas inlet, 2.2-second cylinder waste gas inlet, 2.33-the 3rd cylinder waste gas inlet, 2.4-the 4th, five cylinder waste gas inlets, 2.5-first, four, five cylinder waste gas air outlets, 2.6-second, three cylinder waste gas air outlets, 2.7-first, four, the inner chamber that five cylinder waste gas streams are threaded a pipe, 2.8-second, the inner chamber that three cylinder waste gas streams are threaded a pipe, 2.9-first cylinder exhaust steam passage, 2.10-the 4th, five cylinder exhaust steam passages, 2.11-second cylinder exhaust steam passage, 2.12-the 3rd cylinder exhaust steam passage.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the present invention is further detailed explanation.
Embodiment 1
As shown in the figure: a kind of middle gas exhaust manifold of five cylinder diesel engine in upright arrangement, comprise gas exhaust manifold housing 3, described gas exhaust manifold housing 3 is provided with four suction ports 1 and two air outlets 2, wherein, the side end face that two suction ports lay respectively at the two ends of housing 3, another two suction ports are positioned at housing 3, two air outlets 2 are positioned at the opposite side end face of housing 3, are also provided with two inner chambers in gas exhaust manifold housing 3.
Described four suction ports comprise first and second cylinder waste gas inlet 1.1, the 3rd cylinder waste gas inlet 1.2, the 4th cylinder waste gas inlet 1.3 and the 5th cylinder waste gas inlet 1.4, first and second cylinder waste gas inlet 1.1 described and the 5th cylinder waste gas inlet 1.5 lay respectively at the two ends of housing, and described 3rd cylinder waste gas inlet 1.2 and the 4th cylinder waste gas inlet 1.3 are positioned at a side end face of housing; Described two air outlets comprise first and second, five cylinder waste gas air outlets 1.5 and third and fourth cylinder waste gas air outlet 1.6, described two air outlets are positioned at the opposite side end face of housing; Described two inner chambers comprise first and second, the five cylinder waste gas streams inner chamber 1.7 of threading a pipe and third and fourth cylinder waste gas streams inner chamber 1.8 of threading a pipe, wherein, two inner-cavity structures are different and be not communicated with mutually.
Described first and second, the five cylinder waste gas streams inner chamber 1.7 of threading a pipe comprises three ports, be respectively first and second cylinder waste gas inlet 1.1, the 5th cylinder waste gas inlet 1.4 and first and second, five cylinder waste gas air outlets 1.5, described first and second, the five cylinder waste gas streams inner chamber 1.7 of threading a pipe comprises first and second cylinder exhaust steam passage 1.9 and the 5th cylinder exhaust steam passage 1.10, first and second cylinder exhaust steam passage 1.9 described and the 5th cylinder exhaust steam passage 1.10 cross and to be communicated with first and second, five cylinder waste gas air outlets 1.5 in " T " font.
The inner chamber 1.8 that third and fourth cylinder waste gas streams described is threaded a pipe comprises three ports, be respectively the 3rd cylinder waste gas inlet 1.2, the 4th cylinder waste gas inlet 1.3 and third and fourth cylinder waste gas air outlet 1.6, the inner chamber 1.8 that third and fourth cylinder waste gas streams described is threaded a pipe comprises the 3rd cylinder exhaust steam passage 1.11 and the 4th cylinder exhaust steam passage 1.12, and it is that " Y " font is communicated with third and fourth cylinder waste gas air outlet 1.6 that described 3rd cylinder exhaust steam passage 1.11 and the 4th cylinder exhaust steam passage 1.12 cross.
Embodiment 2
As shown in the figure: a kind of middle gas exhaust manifold of five cylinder diesel engine in upright arrangement, comprise gas exhaust manifold housing 3, described gas exhaust manifold housing 3 is provided with four suction ports 1 and two air outlets 2, wherein, the side end face that two suction ports lay respectively at the two ends of housing 3, another two suction ports are positioned at housing 3, two air outlets 2 are positioned at the opposite side end face of housing 3, are also provided with two inner chambers in gas exhaust manifold housing 3.
Described four suction ports comprise the first cylinder waste gas inlet 2.1, second cylinder waste gas inlet 2.2, the 3rd cylinder waste gas inlet 2.3 and fourth, fifth cylinder waste gas inlet 2.4, described first cylinder waste gas inlet 2.1 and fourth, fifth cylinder waste gas inlet 2.4 lay respectively at the two ends of housing, and described second cylinder waste gas inlet 2.2 and the 3rd cylinder waste gas inlet 2.3 are positioned at a side end face of housing; Described two air outlets comprise first, fourth, five cylinder waste gas air outlets 2.5 and second and third cylinder waste gas air outlet 2.6, and described two air outlets are positioned at the opposite side end face of housing; Described two inner chambers comprise inner chamber 2.7 that first, fourth, five cylinder waste gas streams thread a pipe and the inner chamber 2.8 that second and third cylinder waste gas streams is threaded a pipe, and wherein, two inner-cavity structures are different and be not communicated with mutually.
The inner chamber 2.7 that described first, fourth, five cylinder waste gas streams are threaded a pipe comprises three ports, be respectively the first cylinder waste gas inlet 2.1, fourth, fifth cylinder waste gas inlet 2.4 and first, fourth, five cylinder waste gas air outlets 2.5, the inner chamber 2.7 that described first, fourth, five cylinder waste gas streams are threaded a pipe comprises the first cylinder exhaust steam passage 2.9 and fourth, fifth cylinder exhaust steam passage 2.10, and it is that " T " font is communicated with first, fourth, five cylinder waste gas air outlets 2.5 that described first cylinder exhaust steam passage 2.9 and fourth, fifth cylinder exhaust steam passage 2.10 cross.
The inner chamber 2.8 that second and third cylinder waste gas streams described is threaded a pipe comprises three ports, be respectively the second cylinder waste gas inlet 2.2, the 3rd cylinder waste gas inlet 2.3 and second and third cylinder waste gas air outlet 2.6, the inner chamber 2.8 that second and third cylinder waste gas streams described is threaded a pipe comprises the second cylinder exhaust steam passage 2.11 and the 3rd cylinder exhaust steam passage 2.12, and it is that " Y " font is communicated with second and third cylinder waste gas air outlet 2.6 that described second cylinder exhaust steam passage 2.11 and the 3rd cylinder exhaust steam passage 2.12 cross.
Now, front exhaust manifold changes the first cylinder gas exhaust manifold into, and back exhaust manifold changes fourth, fifth cylinder gas exhaust manifold into.
The foregoing is only preferred embodiment of the present invention, is not limitation of the present invention.The change that those of ordinary skill in the art makes in this tired essential scope, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (9)
1. the middle gas exhaust manifold of an array five cylinder diesel engine, comprise gas exhaust manifold housing, it is characterized in that: described gas exhaust manifold housing is provided with four suction ports and two air outlets, the side end face that two suction ports lay respectively at the two ends of housing, another two suction ports are positioned at housing, two air outlets are positioned at the opposite side end face of housing, are also provided with two inner chambers in gas exhaust manifold housing.
2. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 1, it is characterized in that: described four suction ports comprise first and second cylinder waste gas inlet, the 3rd cylinder waste gas inlet, the 4th cylinder waste gas inlet and the 5th cylinder waste gas inlet, first and second cylinder waste gas inlet described and the 5th cylinder waste gas inlet lay respectively at the two ends of housing, and described 3rd cylinder waste gas inlet and the 4th cylinder waste gas inlet are positioned at a side end face of housing; Described two air outlets comprise first and second, five cylinder waste gas air outlets and third and fourth cylinder waste gas air outlet, described two air outlets are positioned at the opposite side end face of housing; Described two inner chambers comprise first and second, the five cylinder waste gas streams inner chamber of threading a pipe and third and fourth cylinder waste gas streams inner chamber of threading a pipe.
3. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 2, is characterized in that: described two inner-cavity structures are different and be not communicated with mutually.
4. gas exhaust manifold in the array five cylinder diesel engine according to any one of claims 1 to 3, it is characterized in that: described first and second, the five cylinder waste gas streams inner chamber of threading a pipe comprises three ports, be respectively first and second cylinder waste gas inlet, the 5th cylinder waste gas inlet and first and second, five cylinder waste gas air outlets, described first and second, the five cylinder waste gas streams inner chamber of threading a pipe comprises first and second cylinder exhaust steam passage and the 5th cylinder exhaust steam passage.
5. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 3, is characterized in that: it is that " T " font is communicated with first and second, five cylinder waste gas air outlets that first and second cylinder exhaust steam passage described and the 5th cylinder exhaust steam passage cross.
6. gas exhaust manifold in the array five cylinder diesel engine according to any one of claims 1 to 3, it is characterized in that: the inner chamber that third and fourth cylinder waste gas streams described is threaded a pipe comprises three ports, be respectively the 3rd cylinder waste gas inlet, the 4th cylinder waste gas inlet and third and fourth cylinder waste gas air outlet, the inner chamber that third and fourth cylinder waste gas streams described is threaded a pipe comprises the 3rd cylinder exhaust steam passage and the 4th cylinder exhaust steam passage.
7. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 5, is characterized in that: it is that " Y " font is communicated with third and fourth cylinder waste gas air outlet that described 3rd cylinder exhaust steam passage and the 4th cylinder exhaust steam passage cross.
8. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 1, it is characterized in that: described four suction ports comprise the first cylinder waste gas inlet, the second cylinder waste gas inlet, the 3rd cylinder waste gas inlet and fourth, fifth cylinder waste gas inlet, described first cylinder waste gas inlet and fourth, fifth cylinder waste gas inlet lay respectively at the two ends of housing, and described second cylinder waste gas inlet and the 3rd cylinder waste gas inlet are positioned at a side end face of housing; Described two air outlets comprise first, fourth, five cylinder waste gas air outlets and second and third cylinder waste gas air outlet, and described two air outlets are positioned at the opposite side end face of housing; Described two inner chambers comprise inner chamber that first, fourth, five cylinder waste gas streams thread a pipe and the inner chamber that second and third cylinder waste gas streams is threaded a pipe.
9. the middle gas exhaust manifold of five cylinder diesel engine in upright arrangement according to claim 7, is characterized in that: described two inner-cavity structures are different and be not communicated with mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774849.9A CN105275563A (en) | 2015-11-13 | 2015-11-13 | Middle exhaust manifold of in-line five-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774849.9A CN105275563A (en) | 2015-11-13 | 2015-11-13 | Middle exhaust manifold of in-line five-cylinder diesel engine |
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| CN105275563A true CN105275563A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510774849.9A Pending CN105275563A (en) | 2015-11-13 | 2015-11-13 | Middle exhaust manifold of in-line five-cylinder diesel engine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004060557A (en) * | 2002-07-30 | 2004-02-26 | Nissan Motor Co Ltd | Engine exhaust device |
| CN1719005A (en) * | 2004-07-06 | 2006-01-11 | 现代自动车株式会社 | Exhaust manifold for a vehicle |
| CN1927505A (en) * | 2006-09-26 | 2007-03-14 | 西峡县西泵特种铸造有限公司 | High nickel austenite spheroidal graphite cast iron automobile exhaust branch pipe and casting method |
| DE102008050961A1 (en) * | 2008-10-09 | 2010-04-29 | Daimler Ag | Exhaust manifold arrangement for use in double-mass exhaust gas turbocharger in four-cylinder in-line engine of motor vehicle, has external casing surrounding exhaust gas flow channels and collecting area in sections |
| CN204200328U (en) * | 2014-09-19 | 2015-03-11 | 东风康明斯发动机有限公司 | A kind of enmgine exhaust |
-
2015
- 2015-11-13 CN CN201510774849.9A patent/CN105275563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004060557A (en) * | 2002-07-30 | 2004-02-26 | Nissan Motor Co Ltd | Engine exhaust device |
| CN1719005A (en) * | 2004-07-06 | 2006-01-11 | 现代自动车株式会社 | Exhaust manifold for a vehicle |
| CN1927505A (en) * | 2006-09-26 | 2007-03-14 | 西峡县西泵特种铸造有限公司 | High nickel austenite spheroidal graphite cast iron automobile exhaust branch pipe and casting method |
| DE102008050961A1 (en) * | 2008-10-09 | 2010-04-29 | Daimler Ag | Exhaust manifold arrangement for use in double-mass exhaust gas turbocharger in four-cylinder in-line engine of motor vehicle, has external casing surrounding exhaust gas flow channels and collecting area in sections |
| CN204200328U (en) * | 2014-09-19 | 2015-03-11 | 东风康明斯发动机有限公司 | A kind of enmgine exhaust |
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Application publication date: 20160127 |