CN203640869U - Purifying system for automobile tail gas - Google Patents
Purifying system for automobile tail gas Download PDFInfo
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- CN203640869U CN203640869U CN201320728246.1U CN201320728246U CN203640869U CN 203640869 U CN203640869 U CN 203640869U CN 201320728246 U CN201320728246 U CN 201320728246U CN 203640869 U CN203640869 U CN 203640869U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a purifying system for automobile tail gas, and belongs to the field of controlling equipment of automobile tail gas. The purifying system comprises an engine, as well as an air intake system, an ignition system, an oil supply system and an exhaust system which are connected with the engine; an engine ECU of the automobile is connected with the engine, the air intake system, the ignition system, the oil supply system and the exhaust system through an executive circuit. The purifying system is characterized in that an oxygen-rich combustion system in mechanical connection with the air intake system and a tail gas secondary combustion system mounted on the exhaust system are provided; the executive circuit is connected with the oxygen-rich combustion system and the tail gas secondary combustion system; the oxygen-rich combustion system and the tail gas secondary combustion system are connected with the engine ECU of the automobile simultaneously. According to the utility model, the oxygen-rich combustion system and the tail gas secondary combustion system are additionally arranged to realize coordination and unification of an in-engine purifying technology and an out-engine purifying technology; not only fuel is saved, but also tail gas emission is further reduced.
Description
Technical field
A kind of motor vehicle tail-gas purifying system, belongs to motor-vehicle tail-gas control apparatus field.Be specifically related to a kind of motor vehicle tail-gas purifying system of improving the oxygen-enriched combustion system of Motor Vehicle in-cylinder combustion technology and the tail gas secondary combustion system of the outer tail gas clean-up of cylinder.
Background technique
CO in the tail gas of vehicular emission, CH compound, NO
xlead compound in compound, particulate matter and tail gas, sulfur compounds etc. are all the killers who threatens human health, and the Socie-economic loss that the medical treatment cost causing therefrom increases and the sick forfeiture productivity of workman is brought, is cancelled 5% of China's GDP.Motor vehicle tail-gas purifying refers to take all effective measures to reduce pollutant in automotive emission, or makes CO, HC, the NO in automotive emission
xgenerate nontoxic water, CO Deng pollutant by oxidation or reduction reaction
2and N
2.
In order to reduce motor vehicle emission, generally adopt at present two approach both at home and abroad:
The one, emission controls by improving combustion technology, improve engine combustion technology, refuelling composition or other combustion-supporting improvement technology, mainly comprise: 1, engine combustion technological improvement: for example adopt fuel oil in-cylinder direct injection technology, Variable Valve Timing etc. can improve in-engine burning situation, improve combustion efficiency; 2, refuelling composition: for example adopt unleaded gas, ethanol vapor wet goods can substantially remove more than 80% harmful gas in tail gas; 3, other combustion-supporting improvement technology: such as add the solid additives such as a certain amount of (ratio is 3% ~ 5%) graphite, molybdenum disulfide in machine oil and can improve combustion efficiency.
The 2nd, external purification technology, i.e. tail gas clean-up technology.What external purification technology the most often adopted is exactly three-element catalytic technology, and CO is oxidized to CO
2, NO
xbe reduced into as N
2deng.In addition, American scientist has worked out lower temperature plasma technology in 20 end of the centurys and has obtained good effect for waste gas treatment.
At present, countries in the world are more and more stricter to motor vehicle exhaust emission control, and this problem of tail gas clean-up becomes the focus in motor vehicle emission field.Can not the coordinating and unifying due to its market space separately of various purification technicss, the exploitation of pervasive, efficient, economic tail gas clean-up technology just seems more necessary, problem demanding prompt solution mainly concentrates on following three aspects at present:
1, the coordinating and unifying of emission controls by improving combustion technology and external purification technology;
2, the further improvement of emission controls by improving combustion technology, the especially improvement of in-cylinder combustion technology, as oxygen-enriched combustion technology;
3, the upgrading of the raw material of external purification technology and technological improvement, as the exploitation of non-noble metal Cheap highly effective ternary catalyzing unit, the technology upgrading of secondary burning technology for tail gas etc.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of by increasing oxygen-enriched combustion system and tail gas secondary combustion system, realize the coordinating and unifying of emission controls by improving combustion technology and external purification technology, not only save fuel, also further reduced motor vehicle tail-gas purifying system and the oxygen supply regulating method of exhaust emissions.
The utility model solves the technological scheme that its technical problem adopts: this motor vehicle tail-gas purifying system, comprise motor in Motor Vehicle and with motor by the gas handling system of mechanical connection, ignition system, oil supply system and vent systems, motor car engine ECU is by executive circuit and motor, gas handling system, ignition system, oil supply system is connected with vent systems, motor car engine ECU receives from gas handling system simultaneously, ignition system, the transducing signal of oil supply system and vent systems, it is characterized in that: be provided with gas handling system the oxygen-enriched combustion system by mechanical connection and be arranged on the tail gas secondary combustion system in vent systems, described executive circuit is connected with tail gas secondary combustion system with oxygen-enriched combustion system, oxygen-enriched combustion system is connected with motor car engine ECU with tail gas secondary combustion system simultaneously.
Described tail gas after burner system turnkey is drawn together the second oxygen supply device, the second electronics air register, venturi is dissolved device, second microprocessing unit, be arranged on the one-level lambda sensor and the secondary lambda sensor composition that is arranged on 3 sections of engine exhaust pipe of 2 sections of engine exhaust pipe, the second oxygen supply device and the second electronics air register mechanical connection, the output terminal of the second electronics air register and 2 sections of motor engine exhaust gas pipes is dissolved device for mechanical with venturi and is connected simultaneously, venturi is dissolved the output terminal of device and the input end mechanical connection of motor-vehicle tail-gas TWC Three Way Catalyst System,
Motor car engine ECU, one-level lambda sensor and secondary lambda sensor are connected with the second microprocessing unit by signaling line, the second microprocessing unit, according to one-level lambda sensor, secondary oxygen sensor signal, Motor Vehicle ECU command signal, is controlled the action of the second electronics air register being attached thereto.
The second described oxygen supply device comprises the second axial-flow blower, the second miniature air filter and for filtering the second oxygen-enriching device of oxygen, the atmosphere of the second oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the second miniature air filter, the oxygen enrichment outflow end of the second oxygen-enriching device is connected with the second electronics air register input end, outside attaching second axial-flow blower of the second oxygen-enriching device, the power supply junctor motor-car ignition switch of the second axial-flow blower.
The second described axial-flow blower adopts the turbo type direct current 12V blower fan that air output is 80 ~ 100CFM.
Described oxygen-enriched combustion system comprises the first oxygen supply device, the first electronics air register and the first microprocessing unit, the first oxygen supply device and the first electronics air register mechanical connection, the arbitrary vacuum tube in the first electronics air register and Motor Vehicle gas handling system after closure is flexible coupling;
Described motor car engine ECU, second processor are connected with the first microprocessing unit by signaling line, and the first microprocessing unit is followed vehicle signal line communications protocol and receive the action of the first electronics air register being attached thereto by signaling line from Motor Vehicle ECU signal and the second microprocessing unit signal instruction control.
The first described oxygen supply device comprises the first axial-flow blower, the first miniature air filter and the first oxygen-enriching device, the atmosphere of the first oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the first miniature air filter, and the arbitrary vacuum tube of the oxygen enrichment outflow end of the first oxygen-enriching device after by the first electronics air register and Motor Vehicle closure is flexible coupling; Outside attaching first axial-flow blower of the first oxygen-enriching device, the power supply junctor motor-car ignition switch of the first axial-flow blower.
The first described axial-flow blower adopts power supply 5 ~ 12V, and air output is at the DC fan of 45 ~ 70CFM.
Compared with prior art, had beneficial effect of the present utility model is:
Motor vehicle tail-gas purifying system of the present utility model, utilize the working condition signal of ECU in Motor Vehicle, the oxygen supply amount of motor oxygen-enriched combustion system under different operating modes and the oxygen supply amount of tail gas secondary combustion system by oxygen-enriched combusting air intake control method integrated in the first microprocessing unit and the second microprocessing unit and tail gas secondary combustion air intake control method optimal control Motor Vehicle, realize the abundant burning of oil gas in cylinder and tail gas secondary oxygen-enriched combusting to reach the object of energy-saving and emission-reduction, realize the coordinating and unifying of emission controls by improving combustion technology and external purification technology, in having improved engine combustion technology, also improved secondary burning technology for tail gas, not only save fuel, also further reduced exhaust emissions, development to human economic society is significant.
Brief description of the drawings
Fig. 1 is a kind of motor vehicle tail-gas purifying system architecture schematic diagram.
Fig. 2 is a kind of motor vehicle tail-gas purifying system oxygen-enriched combustion system structural representation.
Fig. 3 is a kind of motor vehicle tail-gas purifying system tail gas secondary combustion system structural representation.
Wherein: 1, the first oxygen supply device 2, the second oxygen supply device.
Embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 3 pair of the utility model of accompanying drawing.
As shown in Figure 1, a kind of motor vehicle tail-gas purifying system of the present utility model except in prior art by ignition system, gas handling system, oil supply system and vent systems form by mechanical connection with motor car engine respectively outside motor car engine assembly system jointly, also comprise the oxygen-enriched combustion system being connected with Motor Vehicle gas handling system and be arranged on the tail gas secondary combustion system on motor vehicle exhaustion system, the working state of oxygen-enriched combustion system and tail gas secondary combustion system realizes by the instruction control executive circuit of motor car engine ECU.In the mechanical connection relation of a kind of motor vehicle tail-gas purifying system of the present utility model, in oxygen-enriched combustion system and Motor Vehicle gas handling system, after closure, arbitrary vacuum tube is flexible coupling, the flexible pipe that is generally 5 ~ 10mm by diameter connects, and is conventionally connected on the vacuum access point place of FAI Fresh Air Intake valve (PVC valve), fuel pressure control valve, EGR valve or secondary air suction valve etc.Ignition system, gas handling system and the oil supply system of Motor Vehicle are connected with motor, motor is connected with vent systems, and above-mentioned tail gas secondary combustion system is arranged in motor vehicle exhaustion system the arbitrary position on pipeline between nearly engine exhaust port and three-element catalytic.
In the circuit connecting relation of a kind of motor vehicle tail-gas purifying system of the present utility model, motor car engine ECU is connected with executive circuit by signaling line, executive circuit by motor-driven vehicle body signaling line respectively with Motor Vehicle gas handling system, ignition system, oil supply system, oxygen-enriched combustion system, tail gas secondary combustion system and motor car engine be connected.Motor car engine ECU receives from motor-driven vehicle body gas handling system by vehicle signal line, ignition system, oil supply system, the transducing signal of oxygen-enriched combustion system and tail gas secondary combustion system, and send instructions to executive circuit by the embedded work arteries and veins spectrogram of motor car engine ECU, to reach the motor-driven vehicle body gas handling system of Comprehensive Control, ignition system, oil supply system, oxygen-enriched combustion system, the unify working state of other automatical control system of Motor Vehicle of tail gas after burner system, makes long-term stable low emission, the object under the operating mode of low oil consumption of being operated in of motor.
As shown in Figure 2, the oxygen-enriched combustion system of a kind of motor vehicle tail-gas purifying system of the present utility model comprises: the first electronics air register, the first oxygen supply device 1 and the first microprocessing unit, in the mechanical connection relation of oxygen-enriched combustion system, the first oxygen supply device 1 is connected with the first electronics air register, arbitrary vacuum tube in the first electronics air register and Motor Vehicle gas handling system after closure is flexible coupling, the first oxygen supply device 1 is gas handling system oxygen supply by the first electronics air register, the mechanical adjustment of the first electronics air register gas output is by being realized the variation of 0 ~ 90 ° of throttle opening by stepper motor, stepper motor in the first electronics air register has the first microprocessing unit control.
The first oxygen supply device 1 comprises the first axial-flow blower, the first miniature air filter and the first oxygen-enriching device, the first oxygen-enriching device can adopt oxygen permeable membrane to realize, also can be to denitrogenate active carbon, oxygen rate reaches 30%(1atm, 20 DEG C), the atmosphere of the first oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the first miniature air filter, and the air permeance resistance of the first miniature air filter is at 1.5 ~ 2KPa; The arbitrary vacuum tube of the oxygen enrichment outflow end of the first oxygen-enriching device after by the first electronics air register and Motor Vehicle closure is flexible coupling; Outside attaching first axial-flow blower of the first oxygen-enriching device; The power supply junctor motor-car ignition switch of the first axial-flow blower, the first axial-flow blower generally adopts the DC fan of power supply 5 ~ 12V, and air output is at 45 ~ 70CFM.
In the circuit connecting relation of oxygen-enriched combustion system, the first microprocessing unit is connected by signaling line with the first electronics air register, the first microprocessing unit is followed vehicle signal line communications protocol and is received from Motor Vehicle ECU signal and the second microprocessing unit signal instruction and specifically control the action moment of the first electronics air register in conjunction with the embedded oxygen-enriched combusting air intake control method of the first microprocessing unit, thereby reaches the object of controlling the first oxygen supply device 1 gas output.
As shown in Figure 3, the tail gas after burner system turnkey of a kind of motor vehicle tail-gas purifying system of the present utility model is drawn together the second oxygen supply device 2, the second electronics air register, venturi and is dissolved device, second processing unit, is arranged on the one-level lambda sensor of 2 sections of engine exhaust pipe and is arranged on the secondary lambda sensor composition of 3 sections of engine exhaust pipe, and one-level lambda sensor and secondary lambda sensor are zirconia formula lambda sensor.
In the mechanical connection relation of tail gas secondary combustion system, the second oxygen supply device 2 is connected with the second electronics air register, 1 section of motor engine exhaust gas pipe is connected with 2 sections of motor engine exhaust gas pipes, and the output terminal that the second electronics air register, motor engine exhaust gas pipe are 2 sections is dissolved device with venturi and is connected by physical mechanical structure; The output terminal that venturi is dissolved device is connected with the input end of motor-vehicle tail-gas TWC Three Way Catalyst System, and venturi is dissolved device and designed for classical venturi tube, inside nominal diameter 50mm ~ 70mm, nominal pressure 25 ~ 30MPa.The output terminal of motor-vehicle tail-gas TWC Three Way Catalyst System is 3 sections of junctor motor vehicle engine outlet pipes, exhaust gas sound-deadening system and motor vehicle exhaust latter end successively.
The second oxygen supply device 2 wraps the second axial-flow blower, the second miniature air filter and the second oxygen-enriching device, the second oxygen-enriching device can adopt oxygen permeable membrane to realize, also can be to denitrogenate active carbon, oxygen rate reaches 30%(1atm, 20 DEG C), the atmosphere of the second oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the second miniature air filter, and the air permeance resistance of the second miniature air filter is at 1.8 ~ 3.0KPa; The oxygen enrichment outflow end of the second oxygen-enriching device is connected with the second electronics air register input end, outside attaching second axial-flow blower of the second oxygen-enriching device, the power supply junctor motor-car ignition switch of the second axial-flow blower, second blower fan adopts the turbo type direct current 12V blower fan that air output is 80 ~ 100CFM.
In the circuit connecting relation of tail gas secondary combustion system, motor car engine ECU, one-level lambda sensor and secondary lambda sensor are connected with the second microprocessing unit by motor-driven vehicle body signaling line respectively; The second microprocessing unit is according to one-level lambda sensor and secondary oxygen sensor signal, in conjunction with Motor Vehicle ECU command signal, specifically control the action moment of the second electronics air register being attached thereto according to the tail gas secondary combustion air intake control method that the second microprocessing unit is embedded, thereby reach the object of controlling the second oxygen supply device 2 gas outputs; Described the second microprocessing unit, by motor-driven vehicle body signaling line, communicates according to motorcar body communication protocol and Motor Vehicle ECU.
Specific works process is as follows: in the time of motor vehicle starting and after starting, oxygen-enriched combustion system and tail gas secondary combustion system receive from the working condition signal of Motor Vehicle ECU simultaneously and (comprise engine speed, intake temperature, air-distributor pressure, coolant water temperature, speed of crankshaft, ambient temperature, throttle opening, fuel injection pulsewidth, pinking and oxygen sensor signal etc.), and control respectively respectively the specific works state of oxygen-enriched combustion system and tail gas secondary combustion system according to oxygen-enriched combusting air intake control method integrated in the first microprocessing unit and the second microprocessing unit and tail gas secondary combustion air intake control method according to such signal, to ensure the Motor Vehicle running state in high burning efficiency and low exhaust gas discharge all the time.
The first microprocessing unit in oxygen-enriched combustion system is except receiving the working condition signal from Motor Vehicle ECU, also carry out the variation of the interior throttle opening by step motor control of comprehensive adjustment the first electronics air register with reference to the exhaust emissions feedback signal of the second microprocessing unit, thereby control in real time the gas output of the first oxygen supply device 1, when motor is under state of starting operating, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 100%; When motor is under idling operation, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 60% ~ 70%; When motor is under small load condition, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 20% ~ 30%; When motor is under middle load condition, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 35% ~ 55%; When motor is under full load mode, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 75% ~ 85%; When motor is under accelerating mode, first microprocessing unit control the first electronics air register enters the oxygen condition that supplies of gas output 95 ~ 100%; When motor is started building under condition in holder, first microprocessing unit control the first electronics air register oxygen feeding stop.
The second microprocessing unit in tail gas secondary combustion system is except receiving the working condition signal from Motor Vehicle ECU, also carry out in comprehensive adjustment the second electronics air register the variation by the throttle opening of step motor control with reference to the secondary oxygen sensor signal in 3 sections of the one-level oxygen sensor signal in 2 sections of motor engine exhaust gas pipes and motor engine exhaust gas pipes, thereby the oxygen-supplying amount of the second electronics air register is controlled in real time, the stepper motor in the second electronics air register has the second microprocessing unit control simultaneously.
When motor is under starting discharge operating mode, second microprocessing unit control the second electronics air register oxygen feeding stop; When motor is under idle exhaust emission operating mode, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 30% ~ 50%; When motor is under little load discharge operating mode, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 50% ~ 60%; When motor is under middle load discharge operating mode, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 75% ~ 90%; When motor is under full load discharge operating mode, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 15% ~ 20%; When motor is in accelerating under discharge operating mode, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 5 ~ 10%; When motor is started building under condition in holder, second microprocessing unit control the second electronics air register enters the oxygen condition that supplies of gas output 100%.
The above, it is only preferred embodiment of the present utility model, be not the restriction of the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (7)
1. a motor vehicle tail-gas purifying system, comprise motor in Motor Vehicle and with motor by the gas handling system of mechanical connection, ignition system, oil supply system and vent systems, motor car engine ECU is by executive circuit and motor, gas handling system, ignition system, oil supply system is connected with vent systems, motor car engine ECU receives from gas handling system simultaneously, ignition system, the transducing signal of oil supply system and vent systems, it is characterized in that: be provided with gas handling system the oxygen-enriched combustion system by mechanical connection and be arranged on the tail gas secondary combustion system in vent systems, described executive circuit is connected with tail gas secondary combustion system with oxygen-enriched combustion system, oxygen-enriched combustion system is connected with motor car engine ECU with tail gas secondary combustion system simultaneously.
2. a kind of motor vehicle tail-gas purifying system according to claim 1, it is characterized in that: described tail gas after burner system turnkey is drawn together the second oxygen supply device (2), the second electronics air register, venturi is dissolved device, second microprocessing unit, be arranged on the one-level lambda sensor and the secondary lambda sensor composition that is arranged on 3 sections of engine exhaust pipe of 2 sections of engine exhaust pipe, the second oxygen supply device (2) and the second electronics air register mechanical connection, the output terminal of the second electronics air register and 2 sections of motor engine exhaust gas pipes is dissolved device for mechanical with venturi and is connected simultaneously, venturi is dissolved the output terminal of device and the input end mechanical connection of motor-vehicle tail-gas TWC Three Way Catalyst System,
Motor car engine ECU, one-level lambda sensor and secondary lambda sensor are connected with the second microprocessing unit by signaling line, the second microprocessing unit, according to one-level lambda sensor, secondary oxygen sensor signal, Motor Vehicle ECU command signal, is controlled the action of the second electronics air register being attached thereto.
3. a kind of motor vehicle tail-gas purifying system according to claim 2, it is characterized in that: described the second oxygen supply device (2) comprises the second axial-flow blower, the second miniature air filter and for filtering the second oxygen-enriching device of oxygen, the atmosphere of the second oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the second miniature air filter, the oxygen enrichment outflow end of the second oxygen-enriching device is connected with the second electronics air register input end, outside attaching second axial-flow blower of the second oxygen-enriching device, the power supply junctor motor-car ignition switch of the second axial-flow blower.
4. a kind of motor vehicle tail-gas purifying system according to claim 3, is characterized in that: the second described axial-flow blower adopts the turbo type direct current 12V blower fan that air output is 80 ~ 100CFM.
5. a kind of motor vehicle tail-gas purifying system according to claim 1, it is characterized in that: described oxygen-enriched combustion system comprises the first oxygen supply device (1), the first electronics air register and the first microprocessing unit, the first oxygen supply device (1) and the first electronics air register mechanical connection, the arbitrary vacuum tube in the first electronics air register and Motor Vehicle gas handling system after closure is flexible coupling;
Described motor car engine ECU, second processor are connected with the first microprocessing unit by signaling line, and the first microprocessing unit is followed vehicle signal line communications protocol and receive the action of the first electronics air register being attached thereto by signaling line from Motor Vehicle ECU signal and the second microprocessing unit signal instruction control.
6. a kind of motor vehicle tail-gas purifying system according to claim 5, it is characterized in that: described the first oxygen supply device (1) comprises the first axial-flow blower, the first miniature air filter and the first oxygen-enriching device, the atmosphere of the first oxygen-enriching device flows into end and is flexible coupling by vacuum pipe fitting with the first miniature air filter, and the arbitrary vacuum tube of the oxygen enrichment outflow end of the first oxygen-enriching device after by the first electronics air register and Motor Vehicle closure is flexible coupling; Outside attaching first axial-flow blower of the first oxygen-enriching device, the power supply junctor motor-car ignition switch of the first axial-flow blower.
7. a kind of motor vehicle tail-gas purifying system according to claim 6, is characterized in that: the first described axial-flow blower adopts power supply 5 ~ 12V, and air output is at the DC fan of 45 ~ 70CFM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728246.1U CN203640869U (en) | 2013-11-19 | 2013-11-19 | Purifying system for automobile tail gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320728246.1U CN203640869U (en) | 2013-11-19 | 2013-11-19 | Purifying system for automobile tail gas |
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| Publication Number | Publication Date |
|---|---|
| CN203640869U true CN203640869U (en) | 2014-06-11 |
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ID=50872123
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|---|---|---|---|
| CN201320728246.1U Expired - Fee Related CN203640869U (en) | 2013-11-19 | 2013-11-19 | Purifying system for automobile tail gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603711A (en) * | 2013-11-19 | 2014-02-26 | 山东申普交通科技有限公司 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
-
2013
- 2013-11-19 CN CN201320728246.1U patent/CN203640869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603711A (en) * | 2013-11-19 | 2014-02-26 | 山东申普交通科技有限公司 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
| CN103603711B (en) * | 2013-11-19 | 2017-01-25 | 山东申普交通科技有限公司 | Motor vehicle tail gas purifying system and oxygen supply adjusting method |
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