CN102330589B - Spiral-flow type motor vehicle venting spark quencher - Google Patents
Spiral-flow type motor vehicle venting spark quencher Download PDFInfo
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- CN102330589B CN102330589B CN 201110281999 CN201110281999A CN102330589B CN 102330589 B CN102330589 B CN 102330589B CN 201110281999 CN201110281999 CN 201110281999 CN 201110281999 A CN201110281999 A CN 201110281999A CN 102330589 B CN102330589 B CN 102330589B
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Abstract
The invention relates to a spiral-flow type motor vehicle venting spark quencher which discloses an engine venting processing device used for quenching sparks, and provides a spiral-flow type spark quencher combining spiral-flow centrifugal separation trapping and filter screen obstruction separation trapping. A flow guidance cover and a valve plug are assembled to form a flow guidance chamber, a spiral-flow chamber and a spiral-flow exhaust chamber; an anaerobic spiral-flow chamber and an anaerobic turbulence cavity are formed when exhausted gas passes through; and spark particles are subjected to multistage compound separation trapping quenching combining the spiral-flow centrifugal separation trapping and the filter screen obstruction separation trapping. The spiral-flow type motor vehicle venting spark quencher is suitable for guaranteeing the driving safety of a motor vehicle in the flammable and combustible environment, and fire hazards and explosions can be avoided.
Description
One, technical field:
The present invention relates to a kind of engine exhaust treatment apparatus for blowout of spark, specifically, is about being applied to automobile exhausting spark blow-out fire-proof and explosion-proof in the inflammable and explosive environment.
Two, technical background:
Motor car engine starts can be with spark in the final vacuum, and when motor line sailed to inflammable and explosive environment, spark can cause the generation of fire and explosive accident.
Automobile exhausting spark arrester is a kind of device that gas of combustion is discharged, the separated capture of spark particle is extinguished that is installed in the motor engine exhaust gas tube opening, motor is discharged, the equipment that Motor Vehicle must be installed when travelling in inflammable and explosive environment, for guarantee Motor Vehicle in inflammable and explosive environment driving safety, avoid the important function that has of fire and explosive accident.
For a long time, public is valve formula automobile exhausting spark arrester, it is characterized in that: consisted of by air guide sleeve and spool, the spark particle in the exhaust adopted double-layer leaching net or individual layer filter screen separation and collection mode, exhaust by the time exhaust stream to meeting at right angles with the filter screen plane; Its deficiency is, is single filter screen separation and collection to the separation and collection mode of spark particle in the exhaust, has the not high defective of separation and collection efficient; After automobile exhausting is filtered by valve formula arc arrester, still might there be fragmentary spark particle to discharge, there is the hidden danger of initiation fire and explosive accident.
The name of China Patent Publication No. CN2351562Y, December 1 1999 day for announcing, the patent No. 98222247.5, model utility is called and discloses a kind of rotary flow type spark blow-out in " spiral-flow type automobile exhaust arc arrester ", it is characterized in that: dull and stereotyped by shell and the dress up and down mutual snapping of spherical perforation coverboard, therebetween one perforation in the inner, consist of with the flame-out movement of supporting axle and the guide plate that is loaded on the spherical perforation coverboard up and down, the back-fire relief perforated plate is rotatable, and guide plate is discharged flow rotation.
This model utility has been quoted the concept of eddy flow first, and be to the benefiting our pursuits of rotary flow type spark blow-out, but deficiency is: 1, its structure characteristic can not generate eddy flow effectively, and exhaust air flow can not separation and collection to the spark particle; Rotation when 2, guide plate is discharged air-flow, the spark particle rotates discharge in the lump, can not separation and collection to the spark particle; 3, promote a plurality of moving elements by high temperature and the exhaust that contains particle and rotate poor reliability.
As seen, although this technological scheme has been quoted the concept of eddy flow, do not produce eddy flow to the separation and collection function of spark particle, the substantive characteristics of its separation and collection mode still is traditional filter screen separation and collection.Therefore, how to break through single filter screen separation and collection mode bottleneck, use the fluid rule to seek new separation and collection approach, Effective Raise to the efficient that the separation and collection of spark particle extinguishes, be the problem that pendulum needs to be resolved hurrily in face of people always.
Three, summary of the invention:
Technical problem to be solved by this invention, to overcome deficiency of the prior art, use the fluid rule to provide a kind of eddy flow centrifugation capture and filter screen to intercept the rotary flow type arc arrester that separation and collection combines, thus the efficient that Effective Raise extinguishes the separation and collection of spark particle.
In order to solve the problems of the technologies described above, technological scheme of the present invention is: use rule and the spark particle anaerobic characteristic extinguished of two streams of gas-solid in eddy flow and turbulent flow, consist of diversion chamber, spin chamber, eddy flow exhaust chamber by air guide sleeve and spool assembling, exhaust by the time form anaerobic eddy flow chamber and anaerobic turbulent flow chamber, the spark particle is carried out eddy flow centrifugation capture and filter screen intercepts the multistage composite separation and collection that separation and collection combines and extinguish.
Diversion chamber be set filter screen alteration of form exhaust stream to, make exhaust stream to becoming parallel direction with screen surface, exhaust is the moment rotation by the filter screen duct time, the spark particle is formed the eddy flow cavity of centrifugation capture and filter screen separation and collection; The space that generates turbulent flow in the cavity is the turbulent flow chamber.Diversion chamber is made of air guide sleeve inwall and filter screen; The filter screen shape is taper, or spheric, straight shape; Circular guide plate around the filter screen center of circle, or annular turbulent flow sheet, or cylindrical stirred tank; The filter screen circumferential edges is annular turbulent flow sheet, or annular stirred tank; The filter screen central region is annular graticule mesh district, or the middle annular graticule mesh district that is provided with annular stirred tank; During with specific filter screen configuration, the former dome cross section is tongue.
The spin chamber be by spiral board change exhaust stream to, make exhaust stream to becoming parallel direction with screen surface, exhaust is the moment rotation by spiral board edge, eddy flow plate hole core, filter screen duct the time, the spark particle is formed the eddy flow cavity of centrifugation capture and filter screen separation and collection; The space that generates turbulent flow in the cavity is the turbulent flow chamber.The spin chamber is made of air guide sleeve inwall, spiral board and filter screen; The baffle plate that changes airflow direction is spiral board, and spiral board is plate shape spiral board, or hole core shape spiral board; The shape of plate shape spiral board is taper, or spheric, flute profile, straight shape; The shape of hole core shape spiral board is taper, or spheric, flute profile, straight shape, tubular; The filter screen shape is taper, or spheric, straight shape, tubular; Circular guide plate around the center of circle of taper, spheric, straight shape filter screen, or annular turbulent flow sheet, or cylindrical stirred tank, the filter screen circumferential edges is annular turbulent flow sheet, or annular stirred tank, the filter screen central region is annular graticule mesh district, or the middle annular graticule mesh district that is provided with annular stirred tank; The top of tubular filter screen is annular turbulent flow sheet, and the bottom is the spill stirred tank; During with specific spiral board or filter screen configuration, the former dome cross section is tongue.
The eddy flow exhaust chamber be by spiral board change exhaust stream to, exhaust is discharged after the moment rotation by spiral board inward flange, outward edge or spiral board duct the time, the spark particle is formed the eddy flow exhaust cavity that centrifugation captures; The space that generates turbulent flow in the cavity is the turbulent flow chamber.The eddy flow exhaust chamber is made of air guide sleeve inwall, spiral board and vent; The baffle plate that changes airflow direction is spiral board, and the spiral board shape is plate shape, or limit, hole shape; The circumferential edges of limit, hole shape spiral board is annulus, or the edge is provided with the annulus of annular turbulent flow sheet or annular stirred tank; When configuring with specified structure, be cylindrical stirred tank around the center of circle of limit, hole shape spiral board; Rear air guide sleeve cross section is tongue, and the tongue inwall is stirred tank.
Eddy flow centrifugation and filter screen intercept and separate the multistage composite separation and collection that combines and extinguish, and are that the spark particle in the exhaust is the inferior compound separation and collection of a level by diversion chamber or spin chamber or eddy flow exhaust chamber each time; The configuration of the varying number of diversion chamber or spin chamber or eddy flow exhaust chamber is carried out inferior compound separation and collection not at the same level to the spark particle in the exhaust and is extinguished; The configuration of diversion chamber, spin chamber, eddy flow exhaust chamber, comprise the configuration of diversion chamber, spin chamber, eddy flow exhaust chamber, the configuration of the configuration of diversion chamber and diversion chamber, spin chamber and spin chamber, the configuration of diversion chamber and eddy flow exhaust chamber, the configuration of spin chamber and eddy flow exhaust chamber, and the independent configuration of diversion chamber or spin chamber or eddy flow exhaust chamber and other spark blow-out.
Being made of the assembling of air guide sleeve and spool, is the organic whole that the assembling of air guide sleeve and spool consists of this device, forms the specific function of diversion chamber, spin chamber, eddy flow exhaust chamber; The protective case of spool outside claims air guide sleeve, and minute former dome and rear air guide sleeve have the air guide sleeve of exhaust port to claim former dome, have the air guide sleeve of vent to claim rear air guide sleeve; The structure of air guide sleeve inside claims spool, and spool is made of the specific components of the diversion chamber of air guide sleeve inside, spin chamber, eddy flow exhaust chamber; Air guide sleeve and spool fixedly are made of the organic whole of this device fixing clamp, for cylindrical, be fixed on the automobile exhausting tube opening by the exhaust port fixing clamp.
Compared with prior art, the invention has the beneficial effects as follows: 1, significantly improved the efficient that the separation and collection to the spark particle extinguishes; 2, rational in infrastructure, cheap, flexible configuration, easy to use; 3, there is not moving element, stable and reliable for performance.
Four, description of drawings:
Fig. 1 is embodiment () sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-plate shape spiral board; The 9-fixing column; The 10-conical screen; 11-is straight shape hole core spiral board; 12-is straight shape filter screen; 13-diversion chamber; The 14-spin chamber.
Fig. 2 is embodiment (two) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-plate shape spiral board; 9-spheric filter screen; 10-is straight shape spiral board; The 11-fixing column; 12-is straight shape filter screen; 13-cone shape hole core spiral board; The 14-conical screen; 15-diversion chamber; The front spin chamber of 16-; Spin chamber behind the 17-.
Fig. 3 is embodiment (three) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-plate shape spiral board; 9-groove conical screen; 10-slotted hole core spiral board; The 11-groove is straight shape filter screen; 12-diversion chamber; The 13-spin chamber.
Fig. 4 is embodiment (four) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-plate shape spiral board; 9-groove spheric filter screen; 10-spheric hole core spiral board; 11-groove spheric filter screen; 12-diversion chamber; The 13-spin chamber.
Fig. 5 is embodiment (five) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; Limit, 8-hole shape spiral board; The 9-tongue; The tubular spiral board of 10-; 11-groove conical screen; 12-is straight shape hole core spiral board; 13-groove spheric filter screen; The front spin chamber of 14-; Spin chamber behind the 15-.
Fig. 6 is embodiment (six) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; Limit, 8-hole shape spiral board; 9-taper spiral board; The 10-fixing column; 11-groove conical screen; 12-spheric spiral board; The 13-fixing column; The 14-groove is straight shape filter screen; The front spin chamber of 15-; Spin chamber behind the 16-.
Fig. 7 is embodiment (seven) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-recess hole limit shape spiral board; The tubular spiral board of 9-; 10-groove tubular filter screen; 11-flute profile spiral board; 12-groove tubular filter screen; The front spin chamber of 13-; Spin chamber behind the 14-.
Fig. 8 is embodiment (eight) sectional drawing.The 1-former dome; Air guide sleeve behind the 2-; 3-air guide sleeve fixing clamp; 4-exhaust port fixing clamp; The 5-exhaust port; 6-eddy flow exhaust chamber; The 7-tongue; 8-plate shape spiral board; The 9-tongue; The 10-groove is straight shape filter screen; 11-slotted hole core spiral board; The 12-groove is straight shape filter screen; 13-slotted hole core spiral board; The 14-groove is straight shape filter screen; 15-diversion chamber; The front spin chamber of 16-; Spin chamber behind the 17-.
Five, embodiment:
Two kinds of materials are arranged in the engine exhaust, and wherein gas of combustion is gas, and the spark particle is solid, therefore engine exhaust is two streams of gas-solid.In two streams of this gas-solid, the density of spark particle is greater than gas of combustion, therefore the inertial centrifugal force of spark particle is greater than gas of combustion.
In this rotary flow type arc arrester, when two streams of this gas-solid during around a certain central shaft moment rotation, then inertial centrifugal force makes spark particle and gas of combustion generation relative movement and flies away from the center, therefore the spark particle separates with the flow direction of gas of combustion; Gas of combustion after the separation is discharged through vent by the filter screen duct, flies excentric spark particle and is then thrown to screen wall and turbulent flow chamber; The spark particle of throwing to screen wall is intercepted by filter screen and anaerobic is extinguished, and the spark particle of throwing to the turbulent flow chamber is then because the irrgular movement of numerous large alveoles group and mix, be deposited in gas in the turbulent flow and anaerobic is extinguished in the turbulent flow.
More than be that the present invention uses rule and the spark particle anaerobic characteristic extinguished of two streams of gas-solid in eddy flow and turbulent flow that the spark particle is carried out the basic functional principle that separation and collection extinguishes.Based on this principle, the present invention is provided with diversion chamber, spin chamber, eddy flow exhaust chamber, exhaust by the time form anaerobic eddy flow chamber and anaerobic turbulent flow chamber, thereby realize that the spark particle in the exhaust is carried out eddy flow centrifugation and filter screen to be intercepted and separate the multistage composite separation and collection that combines and extinguish.Below in conjunction with accompanying drawing and embodiment, for example the present invention is described in further detail.
(1) diversion chamber, spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 1.The structure of spool is made of conical screen 10, straight shape hole core spiral board 11, straight shape filter screen 12, plate shape spiral board 8, fixing column 9, and there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, diversion chamber 13, spin chamber 14, eddy flow exhaust chamber 6 successively.
1, diversion chamber's first order separation and collection extinguishes.After automobile exhausting enters diversion chamber by exhaust port, form anaerobic eddy flow chamber, the circular guide plate of air-flow post and conical screen meets to change to flow to along the filter screen inclined-plane to periphery and flows, and the space between filter screen outer shroud turbulent flow sheet and the air guide sleeve inwall forms annular turbulent flow chamber.Air-flow moment rotation when passing the filter screen duct, inertial centrifugal force make the spark particle throw to screen wall to separate with airflow direction with the turbulent flow chamber, and air-flow passes through the filter screen duct, and the spark particle then is deposited in screen wall and annular anaerobic turbulent flow chamber and captures and extinguish.
2, the second level, spin chamber separation and collection extinguishes.After exhaust enters the spin chamber, form anaerobic eddy flow chamber, meet to change to flow to along the spiral board surface to circular hole and flow in exhaust and core spiral board surface, straight shape hole, pass the circular guide plate of hole core air-flow post and filter screen and meet to change to flow to along the passage between the spiral board back side and the filter screen to periphery and flow, the space between filter screen outer shroud turbulent flow sheet and the spiral board forms annular turbulent flow chamber.Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force make the spark particle throw to screen wall to separate with airflow direction with the turbulent flow chamber, and air-flow passes the filter screen duct, and the spark particle resides in screen wall and annular anaerobic turbulent flow chamber and captures and extinguish.
3, eddy flow exhaust chamber third level separation and collection extinguishes.When exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Exhaust is flowed along the passage between filter screen and the plate shape spiral board to periphery, with the meet moment rotation of air guide sleeve inwall, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
(2) diversion chamber, front spin chamber, rear spin chamber, eddy flow exhaust chamber level Four separation and collection extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 2.The structure of spool is made of spheric filter screen 9, straight shape spiral board 10, fixing column 11, straight shape filter screen 12, cone shape hole core spiral board 13, conical screen 14, plate shape spiral board 8, and there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, diversion chamber 15, front spin chamber 16, rear spin chamber 17, eddy flow exhaust chamber 6 successively.
1, diversion chamber's first order separation and collection extinguishes.After automobile exhausting enters diversion chamber by exhaust port, form anaerobic eddy flow chamber, the circular guide plate of air-flow post and spheric filter screen meets to change to flow to along the filter screen sphere to periphery and flows, and the space between filter screen outer shroud turbulent flow sheet and the air guide sleeve inwall forms annular turbulent flow chamber.Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force make the spark particle throw to screen wall to separate with airflow direction with the turbulent flow chamber, and air-flow passes through the filter screen duct, and the spark particle then is deposited in screen wall and annular anaerobic turbulent flow chamber and captures and extinguish.
2, front spin chamber second level separation and collection extinguishes.After exhaust enters front spin chamber, form anaerobic eddy flow chamber, exhaust and straight shape spiral board meet to change to flow to along the spiral board plane to periphery and flow, exhaust and air guide sleeve wall meet to change to flow to along the passage between the spiral board back side and the straight shape filter screen to all hearts and flow, and the space in the filter screen between ring turbulent flow sheet and the spiral board forms annular anaerobic turbulent flow chamber.Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force make the spark particle throw to screen wall to separate with airflow direction with the turbulent flow chamber, and air-flow passes through the filter screen duct, and the spark particle then is deposited in screen wall and annular anaerobic turbulent flow chamber and captures and extinguish.
3, rear spin chamber third level separation and collection extinguishes.After exhaust enters behind the spin chamber, form anaerobic eddy flow chamber, exhaust and cone shape hole core spiral board meet to change to flow to along the spiral board surface to circular hole and flow, pass the circular guide plate of hole core air-flow post and conical screen and meet to change to flow to along the passage between the spiral board back side and the filter screen to periphery and flow, the space between filter screen outer shroud turbulent flow sheet and the spiral board forms annular turbulent flow chamber.Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force make the spark particle throw to screen wall to separate with airflow direction with the turbulent flow chamber, and air-flow passes through the filter screen duct, and the spark particle then is deposited in screen wall and annular anaerobic turbulent flow chamber and captures and extinguish.
4, eddy flow exhaust chamber fourth stage separation and collection extinguishes.After exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Current drainage is flowed along the passage between filter screen and the plate shape spiral board to periphery, with the meet moment rotation of air guide sleeve inwall, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
(3) diversion chamber, spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 3.The structure of spool by plate shape spiral board 8, groove conical screen 9, slotted hole core spiral board 10, groove is straight, and shape filter screen 11 consists of, there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, diversion chamber 12, spin chamber 13, eddy flow exhaust chamber 6 successively.
1, diversion chamber's first order separation and collection extinguishes.After automobile exhausting enters diversion chamber by exhaust port, form anaerobic eddy flow chamber, the passway moment rotation of air-flow post between exhaust port the inner and groove conical screen flowed along the filter screen inclined-plane to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between air guide sleeve inwall and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between exhaust port the inner and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to wall circular anaerobic turbulent flow chamber in screen wall, groove annular anaerobic turbulent flow chamber, the air guide sleeve and is captured and extinguish.
2, the second level, spin chamber separation and collection extinguishes.After exhaust enters the spin chamber, form anaerobic eddy flow chamber, exhaust and slotted hole core spiral board meet to change to flow to along the spiral board surface to circular hole and flow, passing the passway moment rotation of hole core air-flow post between spiral board bottom and the straight shape filter screen of groove flows along the filter screen plane to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between spiral board groove and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between spiral board bottom and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, annular anaerobic turbulent flow chamber, spiral board groove annular anaerobic turbulent flow chamber and is captured and extinguish.
3, eddy flow exhaust chamber third level separation and collection extinguishes.After exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Air-flow flows along the passage between filter screen and the plate shape spiral board to periphery, with the meet moment rotation of air guide sleeve inwall, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
(4) diversion chamber, spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 4.The structure of spool is made of plate shape spiral board 8, groove spheric filter screen 9, spheric hole core spiral board 10, groove spheric filter screen 11, and there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, diversion chamber 12, spin chamber 13, eddy flow exhaust chamber 6 successively.
1, diversion chamber's first order separation and collection extinguishes.After automobile exhausting enters diversion chamber by exhaust port, form anaerobic eddy flow chamber, the passway moment rotation of air-flow post between exhaust port the inner and groove spheric filter screen flowed along the filter screen sphere to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between air guide sleeve inwall and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between exhaust port the inner and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to wall circular anaerobic turbulent flow chamber in screen wall, groove annular anaerobic turbulent flow chamber, the air guide sleeve and is captured and extinguish.
2, the second level, spin chamber separation and collection extinguishes.After exhaust enters the spin chamber, form anaerobic eddy flow chamber, exhaust and spheric hole core spiral board meet to change to flow to along the spiral board sphere to circular hole and flow, passing hole core air-flow post flows along the sphere passage between filter screen and the spiral board to periphery in the passway moment rotation between spiral board mouth end and the filter screen, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between spiral board and the filter cloth edge annular stirred tank forms annular stirred tank.The passway moment rotation of exhaust between spiral board mouth end and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Air-flow is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to the annular anaerobic turbulent flow chamber of screen wall, annular anaerobic turbulent flow chamber, spiral board and filter cloth edge and captured and extinguishes.
3, eddy flow exhaust chamber third level separation and collection extinguishes.After exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Exhaust is flowed along the passage between filter screen and the plate shape spiral board to periphery, with the meet moment rotation of air guide sleeve inwall, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
(5) front spin chamber, rear spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 5.The structure of spool is made of limit, hole shape spiral board 8, tubular spiral board 10, groove conical screen 11, straight shape hole core spiral board 12, groove spheric filter screen 13, and there is tongue 7 in rear air guide sleeve cross section, and there is tongue 9 in the former dome cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, front spin chamber 14, rear spin chamber 15, eddy flow exhaust chamber 6 successively.
1, front spin chamber first order separation and collection extinguishes.Automobile exhausting is entered by exhaust port, flow through passway moment rotation between tubular spiral board bottom and the filter screen, flow along the passage between conical screen inclined-plane and the air guide sleeve cross section tongue inwall to periphery, form anaerobic eddy flow chamber, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between air guide sleeve inwall and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between tubular spiral board bottom and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to the annular anaerobic turbulent flow chamber between screen wall, groove annular anaerobic turbulent flow chamber, air guide sleeve inwall and the filter screen and captured and extinguish.
2, rear spin chamber second level separation and collection extinguishes.After exhaust enters behind the spin chamber, form anaerobic eddy flow chamber, exhaust and straight shape hole core spiral board meet to change to flow to along the spiral board plane to circular hole and flow, passing hole core exhaust moment rotation flows along the sphere passage between the spiral board back side and the groove spheric filter screen to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between air guide sleeve inwall and the filter screen forms annular stirred tank.Exhaust is the moment rotation by the passway between spiral board inner edge and the filter screen time, and inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to the annular anaerobic turbulent flow chamber between screen wall, groove annular anaerobic turbulent flow chamber, air guide sleeve inwall and the filter screen and captured and extinguish.
3, eddy flow exhaust chamber third level separation and collection extinguishes.When air-flow enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Exhaust is flowed along the passage between filter screen and limit, the hole shape spiral board to periphery, moment rotation when entering the spiral board duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
(6) front spin chamber, rear spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 6.The structure of spool by limit, hole shape spiral board 8, taper spiral board 9, fixing column 10, groove conical screen 11, spheric spiral board 12, fixing column 13, groove is straight, and shape filter screen 14 consists of, there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, front spin chamber 15, rear spin chamber 16, eddy flow exhaust chamber 6 successively.
1, front spin chamber first order separation and collection extinguishes.Automobile exhausting enters front spin chamber by exhaust port, form anaerobic eddy flow chamber, air-flow post and taper spiral board meet to change to flow to along the spiral board inclined-plane to periphery and flow, the meet moment rotation of exhaust and air guide sleeve wall is mobile along the passage between the spiral board back side and the groove conical screen to all hearts, around the filter screen fixing column, graticule mesh district and filter cloth edge have annular stirred tank, the space around the spiral board back side and the filter screen fixing column forms annular stirred tank.The passway moment rotation of exhaust between spiral board edge and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to the annular anaerobic turbulent flow chamber of filter cloth edge and captures and extinguish; Exhaust is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, groove annular anaerobic turbulent flow chamber, the spiral board back side and filter screen fixing column annular anaerobic turbulent flow chamber and capturing on every side and extinguished.
2, rear spin chamber second level separation and collection extinguishes.Exhaust enters rear spin chamber, form anaerobic eddy flow chamber, exhaust and spheric spiral board meet to change to flow to along the spiral board sphere to periphery and flow, the meet moment rotation of exhaust and air guide sleeve inwall is mobile along the passage between the spiral board back side and the straight shape filter screen of groove to all hearts, around the filter screen fixing column, filter cloth edge has annular stirred tank, the space between spiral board back side recess and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between spiral board edge and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to the annular anaerobic turbulent flow chamber of filter cloth edge and captures and extinguish; Exhaust is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to the annular anaerobic turbulent flow chamber between screen wall, groove annular anaerobic turbulent flow chamber, spiral board back side recess and the filter screen and captured and extinguish.
3, eddy flow exhaust chamber third level separation and collection extinguishes.When exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, the annular turbulent flow sheet at rear air guide sleeve cross section tongue inwall, shape spiral board edge, limit, hole and the space between the filter screen form two annular turbulent flow chambeies; Exhaust is flowed along the passage between filter screen and the spiral board to periphery, moment rotation when entering the spiral board duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow is discharged from vent, and the spark particle is then thrown to the annular anaerobic turbulent flow chamber of the annular anaerobic turbulent flow chamber at spiral board edge or rear air guide sleeve cross section tongue inwall and captured and extinguish.
(7) front spin chamber, rear spin chamber, three grades of separation of eddy flow exhaust chamber capture and extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 7.The structure of spool is made of recess hole limit shape spiral board 8, tubular spiral board 9, groove tubular filter screen 10, flute profile spiral board 11, groove tubular filter screen 12, and there is tongue 7 in rear air guide sleeve cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, front spin chamber 13, rear spin chamber 14, eddy flow exhaust chamber 6 successively.Be characterized in, be provided with three stirred tanks in the big angle rotary of exhaust and the eddy flow exhaust chamber in the big angle rotary of exhaust, the eddy flow exhaust chamber in two spin chambers, with the inertial centrifugal force that increases the spark particle, improve the efficient that the separation and collection to the spark particle extinguishes.
1, front spin chamber first order separation and collection extinguishes.Automobile exhausting is entered by exhaust port, flow through passway moment rotation between tubular spiral board bottom and the groove tubular filter screen, flow along the passage between filter screen plane and the spiral board to former dome cross section inwall, form anaerobic eddy flow chamber, the bottom groove of filter screen is cylindrical stirred tank, and the space between filter screen top turbulent flow sheet and the spiral board forms annular stirred tank.The passway moments 180 degree rotation of exhaust between spiral board bottom and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, annular anaerobic turbulent flow chamber, filter screen top and is captured and extinguish.
2, rear spin chamber second level separation and collection extinguishes.Exhaust enters rear spin chamber, flow along the passage between grooved spiral board and the air guide sleeve inwall to the annular groove direction, flow through passway moment rotation between spiral board edge and the groove tubular filter screen, flow along the passage between filter screen plane and the spiral board to the spiral board top inner wall, form anaerobic eddy flow chamber, the bottom groove of filter screen is annular stirred tank, and the space between filter screen top turbulent flow sheet and the spiral board forms annular stirred tank.The passway moments 180 degree rotation of exhaust between spiral board edge and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to groove annular anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, annular anaerobic turbulent flow chamber, filter screen top and is captured and extinguish.
3, eddy flow exhaust chamber third level separation and collection extinguishes.When exhaust enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, cylinder shape groove, edge groove form three stirred tanks around rear air guide sleeve cross section annular tongue inwall, the shape spiral board center of circle, limit, hole; The passway moments 90 degree rotation of exhaust between tubular filter screen bottom and spiral board, inertial centrifugal force makes the spark particle separate with airflow direction, throws to the cylindrical anaerobic turbulent flow of spiral board chamber; Exhaust is flowed along the passage between filter screen groove floor and the spiral board to periphery, moments 180 degree rotation when entering the spiral board duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow is discharged from vent, and the spark particle is then thrown to wall circular anaerobic turbulent flow chamber in spiral board edge annular anaerobic turbulent flow chamber, the rear air guide sleeve cross section tongue and captured and extinguish.
(8) diversion chamber, front spin chamber, rear spin chamber, eddy flow exhaust chamber level Four separation and collection extinguish.
The structure of the manner is by air guide sleeve and spool assembling pie graph 8.The structure of spool by plate shape spiral board 8, groove is straight shape filter screen 10, slotted hole core spiral board 11, groove is straight shape filter screen 12, slotted hole core spiral board 13, groove is straight, and shape filter screen 14 consists of, there is tongue 7 in rear air guide sleeve cross section, there is tongue 9 in the former dome cross section.Former dome 1, rear air guide sleeve 2 and spool are fixing by air guide sleeve fixing clamp 3, consist of the organic whole of this arc arrester, are fixed on the motor vehicle exhaust outlet port by exhaust port fixing clamp 4.The manner is provided with exhaust port 5, diversion chamber 15, front spin chamber 16, rear spin chamber 17, eddy flow exhaust chamber 6 successively.Be characterized in, adopt the arranged in series of same structure, intercept with Multi-stage spiral centrifugation and filter screen and separates the efficient that raising is extinguished the separation and collection of spark particle.
1, diversion chamber's first order separation and collection extinguishes.After automobile exhausting enters diversion chamber by exhaust port, form anaerobic eddy flow chamber, the passway moment rotation of air-flow post between exhaust port the inner and the straight shape filter screen of groove flowed along the filter screen plane to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between former dome tongue inwall and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between exhaust port the inner and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust is the moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, air-flow passes through the filter screen duct, and the spark particle is then thrown to wall circular anaerobic turbulent flow chamber in screen wall, groove annular anaerobic turbulent flow chamber, the former dome tongue and captured and extinguish.
2, front spin chamber second level separation and collection extinguishes.After exhaust enters front spin chamber, form anaerobic eddy flow chamber, exhaust and slotted hole core spiral board meet to change to flow to along the spiral board surface to circular hole and flow, passing the passway moment rotation of hole core air-flow post between spiral board bottom and the straight shape filter screen of groove flows along the filter screen plane to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between spiral board groove and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between spiral board bottom and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, annular anaerobic turbulent flow chamber, spiral board recess annular anaerobic turbulent flow chamber and is captured and extinguish.
3, rear spin chamber third level separation and collection extinguishes.After air-flow enters behind the spin chamber, form anaerobic eddy flow chamber, exhaust and slotted hole core spiral board meet to change to flow to along the spiral board surface to circular hole and flow, passing the passway moment rotation of hole core air-flow post between spiral board bottom and the straight shape filter screen of groove flows along the filter screen plane to periphery, around the center of circle of filter screen, graticule mesh district and filter cloth edge have cylindrical stirred tank and annular stirred tank, the space between spiral board groove and the filter screen forms annular stirred tank.The passway moment rotation of exhaust between spiral board bottom and filter screen, inertial centrifugal force makes the spark particle separate with airflow direction, throws to cylindrical anaerobic turbulent flow chamber and captures and extinguish; Exhaust moment rotation when passing the filter screen duct, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow passes through the filter screen duct, and the spark particle is then thrown to screen wall, annular anaerobic turbulent flow chamber, spiral board recess annular anaerobic turbulent flow chamber and is captured and extinguish.
4, eddy flow exhaust chamber fourth stage separation and collection extinguishes.After air-flow enters the eddy flow exhaust chamber, form anaerobic eddy flow chamber, rear air guide sleeve cross section tongue inwall forms annular turbulent flow chamber; Exhaust is flowed along the passage between filter screen and the plate shape spiral board to periphery, the meet moment rotation of exhaust and air guide sleeve inwall, inertial centrifugal force makes the spark particle separate with airflow direction, and air-flow is discharged from vent, and the spark particle is then thrown to annular anaerobic turbulent flow chamber and captured and extinguishes.
Diversion chamber described in the technical solution of the present invention is straight, and the shape filter screen is identical with straight shape filter screen 12 functions in spin chamber among mode of execution () Fig. 1, spin chamber's conical screen is identical with diversion chamber's conical screen 10 functions among mode of execution () Fig. 1, spin chamber's spheric filter screen is identical with diversion chamber's spheric filter screen 9 functions among mode of execution (two) Fig. 2, therefore no longer illustrate in this embodiment.
The content of the specific embodiment of the invention is not limited to the example described in this specification, and all improvement and the variation of having taked the essentiality content of technical solution of the present invention to make are still within the expressed scope of the specific embodiment of the invention.
Claims (6)
1. spiral-flow type automobile exhaust arc arrester, comprise air guide sleeve, exhaust port, exhaust port, it is characterized in that: consist of diversion chamber, spin chamber, eddy flow exhaust chamber by air guide sleeve and spool assembling, exhaust by the time form anaerobic eddy flow chamber and anaerobic turbulent flow chamber, the spark particle is carried out eddy flow centrifugation capture and filter screen intercepts the multistage composite separation and collection that separation and collection combines and extinguish.
2. spiral-flow type automobile exhaust arc arrester according to claim 1, it is characterized in that: described diversion chamber is made of air guide sleeve inwall and filter screen; The filter screen shape is taper, or spheric, straight shape; Circular guide plate around the filter screen center of circle, or annular turbulent flow sheet, or cylindrical stirred tank; The filter screen circumferential edges is annular turbulent flow sheet, or annular stirred tank; The filter screen central region is annular graticule mesh district, or the middle annular graticule mesh district that is provided with annular stirred tank; During with specific filter screen configuration, the former dome cross section is tongue.
3. spiral-flow type automobile exhaust arc arrester according to claim 1, it is characterized in that: described spin chamber is made of air guide sleeve inwall, spiral board and filter screen; Spiral board is plate shape spiral board, or hole core shape spiral board; The shape of plate shape spiral board is taper, or spheric, flute profile, straight shape; The shape of hole core shape spiral board is taper, or spheric, flute profile, straight shape, tubular; The filter screen shape is taper, or spheric, straight shape, tubular; Circular guide plate around the center of circle of taper, spheric, straight shape filter screen, or annular turbulent flow sheet, or cylindrical stirred tank, the filter screen circumferential edges is annular turbulent flow sheet, or annular stirred tank, the filter screen central region is annular graticule mesh district, or the middle annular graticule mesh district that is provided with annular stirred tank; The top of tubular filter screen is annular turbulent flow sheet, and the bottom is the spill stirred tank; During with specific spiral board or filter screen configuration, the former dome cross section is tongue.
4. spiral-flow type automobile exhaust arc arrester according to claim 1, it is characterized in that: described eddy flow exhaust chamber is made of air guide sleeve inwall, spiral board and vent; The spiral board shape is plate shape, or limit, hole shape; The circumferential edges of limit, hole shape spiral board is annulus, or the edge is provided with the annulus of annular turbulent flow sheet or annular stirred tank; When configuring with specified structure, be cylindrical stirred tank around the center of circle of limit, hole shape spiral board; Rear air guide sleeve cross section is tongue, and the tongue inwall is stirred tank.
5. spiral-flow type automobile exhaust arc arrester according to claim 1, it is characterized in that: described multistage composite separation and collection extinguishes, be the configuration of the varying number of diversion chamber or spin chamber or eddy flow exhaust chamber, the compound separation and collection that the spark particle in the exhaust is carried out not at the same level time extinguishes; The configuration of diversion chamber, spin chamber, eddy flow exhaust chamber, comprise the configuration of diversion chamber, spin chamber, eddy flow exhaust chamber, the configuration of the configuration of diversion chamber and diversion chamber, spin chamber and spin chamber, the configuration of diversion chamber and eddy flow exhaust chamber, the configuration of spin chamber and eddy flow exhaust chamber, and the independent configuration of diversion chamber or spin chamber or eddy flow exhaust chamber and other spark blow-out.
6. spiral-flow type automobile exhaust arc arrester according to claim 1, it is characterized in that: the described assembling by air guide sleeve and spool consists of, be the organic whole that the assembling of air guide sleeve and spool consists of this device, form the specific function of diversion chamber, spin chamber, eddy flow exhaust chamber; Spool is made of the specific components of the diversion chamber of air guide sleeve inside, spin chamber, eddy flow exhaust chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110281999 CN102330589B (en) | 2011-09-16 | 2011-09-16 | Spiral-flow type motor vehicle venting spark quencher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110281999 CN102330589B (en) | 2011-09-16 | 2011-09-16 | Spiral-flow type motor vehicle venting spark quencher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102330589A CN102330589A (en) | 2012-01-25 |
| CN102330589B true CN102330589B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110281999 Expired - Fee Related CN102330589B (en) | 2011-09-16 | 2011-09-16 | Spiral-flow type motor vehicle venting spark quencher |
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| Country | Link |
|---|---|
| CN (1) | CN102330589B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226831A (en) * | 1979-03-16 | 1980-10-07 | Allis-Chalmers Corporation | Apparatus for removal of sulfur from gas |
| CN2076161U (en) * | 1990-05-22 | 1991-05-01 | 龙口市农机研究所 | Fireproof smoke-reducing silencer for engine |
| EP0687006A1 (en) * | 1994-06-08 | 1995-12-13 | Alusuisse-Lonza Services AG | Cooler |
| CN2351562Y (en) * | 1998-08-26 | 1999-12-01 | 中国石化集团胜利石油管理局 | Spiral-flow type automobile exhaust arc arrester |
| CN202348387U (en) * | 2011-09-16 | 2012-07-25 | 寇志鹏 | Vortex spark extinguisher for exhaust gas of motor vehicle |
-
2011
- 2011-09-16 CN CN 201110281999 patent/CN102330589B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN102330589A (en) | 2012-01-25 |
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