CN102108893A - Water cooled exhaust manifold - Google Patents
Water cooled exhaust manifold Download PDFInfo
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- CN102108893A CN102108893A CN 201110078121 CN201110078121A CN102108893A CN 102108893 A CN102108893 A CN 102108893A CN 201110078121 CN201110078121 CN 201110078121 CN 201110078121 A CN201110078121 A CN 201110078121A CN 102108893 A CN102108893 A CN 102108893A
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- exhaust manifold
- cooling chamber
- chamber
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Abstract
The invention relates to a water cooled exhaust manifold which comprises an exhaust manifold body and a chamber in the exhaust manifold body, wherein the exhaust manifold body is provided with an air inlet which is corresponding with an air vent on a motor. The water cooled exhaust manifold is characterized in that the exhaust manifold body is internally provided with a partition board; the chamber is divided into a water cooling chamber and an air chamber by the partition board; the air chamber is communicated with the air inlet; and the exhaust manifold body is provided with an air vent which is communicated with the air chamber, and is also provided with a water inlet and a water outlet which are communicated with the water cooling chamber. Because the technical scheme is adopted, the water cooled exhaust manifold provided by the invention has the advantages of simple manufacturing process and smooth exhaust, and is cooled by the circulation of cooling water, the temperature of the exhaust manifold body can be reduced from 650 DEG C to below 200 DEG C, the temperature of the exhaust manifold body and the temperature and pressure of the exhausted waste gas are obviously lowered, the service life of the motor is prolonged, the noise is reduced from greater than 100 decibel to 80 decibel, the noise and exhaust resistance are reduced obviously, and the power of the motor is improved.
Description
Technical field
The present invention relates to a kind of venting gas appliance, particularly a kind of gas exhaust manifold.
Background technique
Engine exhaust emission is to pass through extruding by piston, and waste gas after burning is discharged by wastegate.Because of the High Temperature High Pressure of engine interior, make the waste gas of discharging also have the characteristic of High Temperature High Pressure.The high temperature that gaseous combustion produced when high temperature was the motor acting, and high pressure is to expand because of the gas that high temperature causes to produce.The toxic emission temperature is very high, and because of the influence of high exhaust temperatures, exhaust manifold temperature can reach more than 650 °, has had a strong impact on the life-span of motor when measuring discharging.High pressure is to be by piston gas to be pushed away during because of exhaust, gas is producing the decompression of eliminating the noise of certain resistance when the silencing apparatus, caused engine exhaust not smooth, loss a part of power of motor, and high pressure has also produced huge noise when exhaust.Existing water cooled exhaust manifold mainly uses on equation motorcycle race, has cancelled silencing apparatus for the power consumption that reduces motor, changes gas exhaust manifold into inside and outside bimetallic tube, the internal channel exhaust, and external chennel water flowing cooling has reduced pressure and noise by cooling.But noise has still reached more than 100 decibels, simultaneously the gas exhaust manifold processing technology complexity of this structure.
Summary of the invention
Purpose of the present invention just provides that a kind of processing technology is simple, exhaust water cooled exhaust manifold smoothly, and it obviously reduces the temperature and the pressure of institute's waste discharge gas by cooling water circulation cooling, reduces noise and exhaust resistance, improves the power of motor.
The objective of the invention is to realize by such technological scheme, include the intrinsic chamber of gas exhaust manifold body and gas exhaust manifold, the gas exhaust manifold body be provided with motor on the corresponding inlet hole of exhaust port, be provided with dividing plate in the gas exhaust manifold body, dividing plate is separated into a water cooling chamber and an air chamber with chamber, air chamber communicates with inlet hole, the gas exhaust manifold body is provided with the exhaust port that communicates with air chamber, and the gas exhaust manifold body is provided with water intake and the water outlet that communicates with the water cooling chamber.
The present invention earlier is installed in the deflation area of motor by mounting hole with the gas exhaust manifold body, and the inlet hole on the air chamber is the exhaust port of corresponding motor respectively, and the water cooling chamber is communicated with the formation water circulator with water tank, water pump.When motor moved, waste gas was discharged by the exhaust port on the cylinder body, entered air chamber through the inlet hole on the gas exhaust manifold body, was discharged by the exhaust port on the gas exhaust manifold body again.Simultaneously, the operation water pump makes cooling water enter the water cooling chamber from water intake circularly, discharge from osculum again, cooling water in the water cooling chamber and dividing plate generation heat exchange, dividing plate is cooled off, because dividing plate is water cooling chamber and the total wall of air chamber, cooling water is equivalent to air chamber has been carried out heat exchange to the heat exchange of dividing plate, taken away the heat of high-temp waste gas in the air chamber, cooling water constantly circulates, reducing the temperature of waste gas, the temperature of gas exhaust manifold body can have been dropped to below 200 ° from 650 °, obviously reduced the temperature of gas exhaust manifold body, prolong the life-span of motor, noise has reduced noise and exhaust resistance from having dropped in 80 decibels greater than 100 decibels, has improved the power of motor.
Owing to adopted technique scheme, the present invention has that processing technology is simple, exhaust advantage smoothly, it is by cooling water circulation cooling, the temperature of gas exhaust manifold body can have been dropped to below 200 ° from 650 °, obviously reduced the temperature of gas exhaust manifold body and the temperature and the pressure of institute's waste discharge gas, prolonged the life-span of motor, noise is from having dropped in 80 decibels greater than 100 decibels, significantly reduce noise and exhaust resistance, improved the power of motor.
Description of drawings
Description of drawings of the present invention is as follows.
Fig. 1 is first a kind of embodiment's of the present invention structural representation.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is second a kind of embodiment's of the present invention structural representation.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is the third an embodiment's of the present invention structural representation.
Fig. 6 is the C-C sectional view of Fig. 5.
Fig. 7 is the 4th a kind of embodiment's of the present invention structural representation.
Fig. 8 is the D-D sectional view of Fig. 7.
Fig. 9 is the 4th a kind of embodiment's of the present invention structural representation.
Figure 10 is the E-E sectional view of Fig. 7.
Among the figure: ⒈ gas exhaust manifold body; The ⒉ inlet hole; The ⒊ dividing plate; ⒋ water cooling chamber; The ⒌ air chamber; The ⒍ exhaust port; The ⒎ water intake; The ⒏ water outlet; The ⒐ channel partition; The ⒑ cooling water passage; The ⒒ horizontal baffle; The ⒓ vertical clapboard; The ⒔ cooling-water temperature sensor.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Shown in Fig. 1-10, the present invention includes the chamber in gas exhaust manifold body 1 and the gas exhaust manifold body 1, gas exhaust manifold body 1 be provided with motor on the corresponding inlet hole 2 of exhaust port, it is characterized in that: be provided with dividing plate 3 in the gas exhaust manifold body 1, dividing plate 3 is separated into a water cooling chamber 4 and an air chamber 5 with chamber, air chamber 5 communicates with inlet hole 2, gas exhaust manifold body 1 is provided with the exhaust port 6 that communicates with air chamber 5, and gas exhaust manifold body 1 is provided with water intake 7 and the water outlet 8 that communicates with water cooling chamber 4.
The present invention earlier is installed in the deflation area of motor by mounting hole with gas exhaust manifold body 1, and the inlet hole on the air chamber is the exhaust port of corresponding motor respectively, and water cooling chamber 4 is communicated with the formation water circulator with water tank, water pump.When motor moved, waste gas was discharged by the exhaust port on the cylinder body, entered air chamber 5 through the inlet hole on the gas exhaust manifold body, was discharged by the exhaust port on the gas exhaust manifold body 16 again.Simultaneously, the operation water pump makes cooling water enter the water cooling chamber from water intake circularly, discharge from osculum again, heat exchange takes place in cooling water in the water cooling chamber and dividing plate 3, dividing plate is cooled off, because dividing plate is water cooling chamber and the total wall of air chamber, cooling water is equivalent to air chamber has been carried out heat exchange to the heat exchange of dividing plate, taken away the heat of high-temp waste gas in the air chamber, cooling water constantly circulates, reducing the temperature of waste gas, the temperature of gas exhaust manifold body can have been dropped to below 200 ° from 650 °, obviously reduced the temperature of gas exhaust manifold body, prolong the life-span of motor, noise has reduced noise and exhaust resistance from having dropped in 80 decibels greater than 100 decibels, has improved the power of motor.
As shown in Figure 1, 2, the end that water intake 7 is positioned at water cooling chamber 4 is communicated with, and the other end that water outlet 8 is positioned at water cooling chamber 4 is communicated with.
Shown in Fig. 3-10,, prolonged the time and the efficient of heat exchange in order to increase the passage length of cooling liquid.Be provided with channel partition 9 in the water cooling chamber 4, channel partition 9 is connected with water cooling chamber 4 inner wall sealings and surrounds cooling water passage 10, and an end of cooling water passage 10 communicates with water intake 7, and the other end of cooling water passage 10 communicates with water outlet 8.
Shown in Fig. 3,4,, prolonged the time and the efficient of heat exchange in order to increase the passage length of cooling liquid.Channel partition 9 can comprise horizontal baffle 11 and vertical clapboard 12, perpendicular and be and be wholely set between horizontal baffle 11 and the vertical clapboard 12, the middle part that is arranged on water cooling chamber 4 of horizontal baffle 11 levels, the rear and front end face of horizontal baffle 11 is connected with the inwall in water cooling chamber 4 respectively, the left and right sides both ends of the surface of horizontal baffle 11 are unsettled, vertical clapboard 12 is connected to form cooling water passage 10 with water cooling chamber 4 inwalls, and the two ends of cooling water passage 10 lay respectively at the both sides of vertical clapboard 12.
Shown in Fig. 5,6,, prolonged the time and the efficient of heat exchange in order to increase the passage length of cooling liquid.Channel partition 9 can level the middle part that is arranged on water cooling chamber 4, channel partition 9 front-end faces, ear end face and left side connect into an integral body with the inwall in water cooling chamber 4 respectively, form the cooling water passage 10 of a circuitous bending.
Shown in Fig. 7,8,, prolonged the time and the efficient of heat exchange in order to increase the passage length of cooling liquid.Channel partition 9 also can be vertical be arranged in the water cooling chamber 4, the front-end face of channel partition 9, ear end face and lower end surface connect into an integral body with water cooling chamber 4 inwalls respectively, the upper-end surface of channel partition 9 is unsettled, forms the cooling water passage 10 of a circuitous bending.
Shown in Fig. 9,10,, prolonged the time and the efficient of heat exchange in order to increase the passage length of cooling liquid.Channel partition 9 can also be two, what they were parallel to each other is arranged in the water cooling chamber 4, wherein the front-end face of a channel partition 9, ear end face and left side connect into an integral body with the inwall in water cooling chamber 4 respectively, the right side of channel partition 9 is unsettled, the front-end face of another piece channel partition 9, ear end face and right side connect into an integral body with water cooling chamber 4 inwalls respectively, these channel partition 9 left sides are unsettled, form the cooling water passage 10 of a circuitous bending.
Shown in Fig. 1-10, be provided with cooling-water temperature sensor 13 in the water cooling chamber.Cooling-water temperature sensor can the time detect cooling water temperature in the water cooling chamber 4, avoid cooling water temperature too high and the excessive photograph of boiling pressure becomes pipeline burst.
In sum, in order to increase the passage length of cooling liquid, prolonged the time and the efficient of heat exchange.The structural type of channel partition 9 is to be provided with as required.The present invention adopts casting aluminium material, makes gas exhaust manifold heat exchange performance excellence and cast iron materials more, has reached three large effects of decrease temperature and pressure noise reduction by water-cooled.After testing, dropped to below 200 degree from more than 600 degree by the water-cooled temperature, noise is from having dropped in 80 decibels greater than 100 decibels.Obviously reduce the temperature of gas exhaust manifold body and the temperature and the pressure of institute's waste discharge gas, prolonged the life-span of motor, significantly reduced noise and exhaust resistance, improved the power of motor.
Claims (8)
1. water cooled exhaust manifold, comprise the chamber in gas exhaust manifold body (1) and the gas exhaust manifold body (1), gas exhaust manifold body (1) be provided with motor on the corresponding inlet hole of exhaust port (2), it is characterized in that: be provided with dividing plate (3) in the gas exhaust manifold body (1), dividing plate (3) is separated into a water cooling chamber (4) and an air chamber (5) with chamber, air chamber (5) communicates with inlet hole (2), gas exhaust manifold body (1) is provided with the exhaust port (6) that communicates with air chamber (5), and gas exhaust manifold body (1) is provided with water intake (7) and the water outlet (8) that communicates with water cooling chamber (4).
2. water cooled exhaust manifold as claimed in claim 1 is characterized in that: the end that water intake (7) is positioned at water cooling chamber (4) is communicated with, and the other end that water outlet (8) is positioned at water cooling chamber (4) is communicated with.
3. water cooled exhaust manifold as claimed in claim 1, it is characterized in that: be provided with channel partition (9) in water cooling chamber (4), channel partition (9) is connected with water cooling chamber (4) inner wall sealing and surrounds cooling water passage (10), one end of cooling water passage (10) communicates with water intake (7), and the other end of cooling water passage (10) communicates with water outlet (8).
4. water cooled exhaust manifold as claimed in claim 3, it is characterized in that: channel partition (9) comprises horizontal baffle (11) and vertical clapboard (12), perpendicular and be and be wholely set between horizontal baffle (11) and the vertical clapboard (12), the middle part that is arranged on water cooling chamber (4) of horizontal baffle (11) level, the rear and front end face of horizontal baffle (11) is connected with the inwall of water cooling chamber (4) respectively, the left and right sides both ends of the surface of horizontal baffle (11) are unsettled, vertical clapboard (12) is connected to form cooling water passage (10) with water cooling chamber (4) inwall, and the two ends of cooling water passage (10) lay respectively at the both sides of vertical clapboard (12).
5. water cooled exhaust manifold as claimed in claim 3, it is characterized in that: the middle part that is arranged on water cooling chamber (4) of channel partition (9) level, channel partition (9) front-end face, ear end face and left side connect into an integral body with the inwall of water cooling chamber (4) respectively, form the cooling water passage (10) of a circuitous bending.
6. water cooled exhaust manifold as claimed in claim 3, it is characterized in that: what channel partition (9) was vertical is arranged in the water cooling chamber (4), front-end face, ear end face and the lower end surface of channel partition (9) connects into an integral body with water cooling chamber (4) inwall respectively, the upper-end surface of channel partition (9) is unsettled, forms the cooling water passage (10) of a circuitous bending.
7. water cooled exhaust manifold as claimed in claim 3, it is characterized in that: channel partition (9) is two, what they were parallel to each other is arranged in the water cooling chamber (4), the front-end face of a channel partition (9) wherein, ear end face and left side connect into an integral body with the inwall of water cooling chamber (4) respectively, the right side of channel partition (9) is unsettled, the front-end face of another piece channel partition (9), ear end face and right side connect into an integral body with water cooling chamber (4) inwall respectively, this channel partition (9) left side is unsettled, forms the cooling water passage (10) of a circuitous bending.
8. as claim 1,2,3,4,5,6 or 7 described water cooled exhaust manifolds, it is characterized in that: be provided with cooling-water temperature sensor (13) in the water cooling chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110078121 CN102108893A (en) | 2011-03-30 | 2011-03-30 | Water cooled exhaust manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110078121 CN102108893A (en) | 2011-03-30 | 2011-03-30 | Water cooled exhaust manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102108893A true CN102108893A (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110078121 Pending CN102108893A (en) | 2011-03-30 | 2011-03-30 | Water cooled exhaust manifold |
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| CN (1) | CN102108893A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004211712A (en) * | 2004-04-22 | 2004-07-29 | Yanmar Co Ltd | Radiant heat shielding structure for internal combustion engine |
| US6827048B2 (en) * | 2001-08-06 | 2004-12-07 | Yamaha Marine Kabushiki Kaisha | Cooling system for marine engine |
| CN201045009Y (en) * | 2007-03-08 | 2008-04-09 | 廖光明 | Exhaust manifold reheating cooling liquid warming device |
| CN101440755A (en) * | 2007-11-19 | 2009-05-27 | 通用汽车环球科技运作公司 | Turbocharged engine cylinder head internal cooling |
| CN201326468Y (en) * | 2008-12-09 | 2009-10-14 | 奇瑞汽车股份有限公司 | Cylinder cover with cooling water jacket |
-
2011
- 2011-03-30 CN CN 201110078121 patent/CN102108893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6827048B2 (en) * | 2001-08-06 | 2004-12-07 | Yamaha Marine Kabushiki Kaisha | Cooling system for marine engine |
| JP2004211712A (en) * | 2004-04-22 | 2004-07-29 | Yanmar Co Ltd | Radiant heat shielding structure for internal combustion engine |
| CN201045009Y (en) * | 2007-03-08 | 2008-04-09 | 廖光明 | Exhaust manifold reheating cooling liquid warming device |
| CN101440755A (en) * | 2007-11-19 | 2009-05-27 | 通用汽车环球科技运作公司 | Turbocharged engine cylinder head internal cooling |
| CN201326468Y (en) * | 2008-12-09 | 2009-10-14 | 奇瑞汽车股份有限公司 | Cylinder cover with cooling water jacket |
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Application publication date: 20110629 |