CN202132102U - Screw-type combined pressurizing system - Google Patents
Screw-type combined pressurizing system Download PDFInfo
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- CN202132102U CN202132102U CN201120211381U CN201120211381U CN202132102U CN 202132102 U CN202132102 U CN 202132102U CN 201120211381 U CN201120211381 U CN 201120211381U CN 201120211381 U CN201120211381 U CN 201120211381U CN 202132102 U CN202132102 U CN 202132102U
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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 relates to a pressurizing system applied to the engine field, in particular to a screw-type combined pressurizing system capable of improving output power of engines. The screw-type combined pressurizing system is formed by combining an engine, a double-screw compressor and a turbine, thereby improving output power of the engine, being reliable to run, saving energy and having good adaptability and operability.
Description
Technical field
The utility model relates to a kind of pressurization system that is used for motor, relates in particular to the structure of a kind of screw type combined supercharging system.
Background technique
As everyone knows, the output power of engine producing depends on air quality and corresponding fuel quantity.If improve the output power of motor, then must more combustion-supporting duration of supply and more combustion-supporting working medium.In the existing technology, through increasing displacement or improving the raising that rotating speed is realized engine power.But, increases displacement and make engine weight, size and price all significantly increase, and the raising of rotating speed is from the former of technology thereby be restricted.
Therefore be necessary to provide a kind of screw type combined supercharging system to solve the existing technology problem.
The model utility content
The purpose of the utility model is to provide a kind of screw type combined supercharging system that can improve the output power of motor.
For achieving the above object; The utility model provides a kind of screw type combined supercharging system; It comprises motor, first suction tude, the air inlet bypass valve that connects the motor and first suction tude, double-screw compressor, second suction tude that is connected with double-screw compressor, connects the 3rd suction tude of double-screw compressor and air inlet bypass valve; Wherein said double-screw compressor is provided with a pair of intermeshing helical rotors, is connected with the main shaft projecting shaft of motor on the projecting shaft of a said helical rotors.
Preferably, this screw type combined supercharging system also comprises first suction tude, connects motor and the air inlet bypass valve of first suction tude, second suction tude that is connected with double-screw compressor, reaches the 3rd suction tude that connects double-screw compressor and air inlet bypass valve.
Preferably, said motor is provided with engine intake manifold and enmgine exhaust, and said engine intake manifold is connected with the air inlet bypass valve.
Preferably, said screw type combined supercharging system also comprises air intake filter and catalytic converter, and said air intake filter is arranged on the air inlet place of first suction tude and second suction tude; Said catalytic converter is arranged on the air outlet place of enmgine exhaust.
Preferably, this screw type combined supercharging system also comprises the turbo machine that is connected with said motor, and wherein said turbo machine is provided with a turbine rotor, and the projecting shaft of a helical rotors of said double-screw compressor is connected with the turbine rotor projecting shaft of turbo machine.
Preferably, the projecting shaft of a said helical rotors is provided with first belt pulley, and this first belt pulley is connected with the main shaft projecting shaft of motor through first belt, first magnetic clutch, second belt; Also be provided with second belt pulley on the projecting shaft of a said helical rotors, this second belt pulley is connected through the belt pulley on the turbine rotor projecting shaft of the 3rd belt, second magnetic clutch, the 4th belt and turbo machine.
Preferably, said motor is provided with engine intake manifold and enmgine exhaust, and said engine intake manifold is connected with the air inlet bypass valve; Said screw type combined supercharging system also is provided with the exhaust by-pass valve that is connected with enmgine exhaust, the exhaust bypass tube that is connected with exhaust by-pass valve.
Preferably, said screw type combined supercharging system also comprises air intake filter and catalytic converter, and said air intake filter is arranged on the air inlet place of first suction tude and second suction tude; Said catalytic converter is arranged on the air outlet place of exhaust bypass tube.
For achieving the above object; The utility model also provides a kind of screw type combined supercharging system; It comprises motor, first suction tude, the air inlet bypass valve that connects the motor and first suction tude, double-screw compressor, second suction tude that is connected with double-screw compressor, connection double-screw compressor and the 3rd suction tude of air inlet bypass valve, the turbo machine that is connected with exhaust opening of engine; Wherein said turbo machine is provided with a turbine rotor; Said double-screw compressor is provided with a pair of intermeshing helical rotors; The projecting shaft of a said helical rotors is provided with belt pulley, and this belt pulley is connected through the belt pulley on the turbine rotor projecting shaft of belt, magnetic clutch and turbo machine.
Further, said motor is provided with engine intake manifold and enmgine exhaust, and said engine intake manifold is connected with the air inlet bypass valve; Said screw type combined supercharging system also is provided with the exhaust by-pass valve that is connected with enmgine exhaust, and the exhaust bypass tube that is connected with exhaust by-pass valve; Said enmgine exhaust is connected with turbo machine through exhaust by-pass valve.
The utlity model has following beneficial effect:
1, the utility model adopts double-screw compressor to come pressurized air, and the rotation through engine spindle drives double-screw compressor, can utilize engine spindle institute energy delivered high efficiency smooth.This double helix compressor be provided with a pair of intermeshing, by the helical rotors of synchromesh gear interlock, utilize form compression wherein the air of the change of volume between this intermeshing rotor tooth with interior compression.The double-screw compressor that the utility model adopted is different fully with the contraction principle of traditional roots-type mechanical supercharger.Traditional mechanical supercharger adopts three leaf Roots structures, and it adopts is that waiting of compression process do not held compression in having, and the compression process of gas is in the instantaneous completion that is communicated with exhaust duct.Therefore when realizing supercharging air, the additional-energy loss is big, and delivery temperature and gas height when interior compression process is also arranged.Roots's structure is bigger in addition, and operating noise is higher.
2, the described screw type combined supercharging of the utility model system utilizes the exhaust of motor to promote turbo driving, and turbine links through a rotor projecting shaft of belt and double-screw compressor, thereby drives double-screw compressor work.The utility model compared with prior art has following advantage: owing to adopted double-screw compressor to come pressurized air, than the waste gas supercharging device of tradition employing centrifugal compressor, significantly improved the performance characteristic when engine low rotation speed; Have more Economy thereby use engine exhaust to promote turbo driving driving pressurization system again compared with traditional engine driven supercharging, under high rotating speed, need not the engine spindle wasted work; Utilize the belt pulley transmission and arrange that the adjusting of intake and exhaust bypass makes pressurization system adapt to different operating modes and requirement more.
3, the described screw type combined supercharging of the utility model system also adopts the turbo machine that is used to reduce the engine efflux pressure and temperature, simultaneously supporting supercharging conversion controlling device and pipeline and filter.The supercharging converter device can be used to switch the boost mode of supercharger systems.When the engine exhaust amount does not reach the optimum speed respective value of turbo machine, use engine spindle to provide power source to come pressurized air to double-screw compressor; When the engine exhaust amount reaches the optimum speed respective value of turbo machine,, the exhaust of use motor provide power source to come pressurized air to double-screw compressor thereby promoting turbo driving.Improved the performance characteristic of device when the low speed compared with existing waste gas supercharging, the output of low engine speed moment of torsion is obviously improved.Supercharging has more Economy compared with existing mechanical; Because double-screw compressor has higher working efficiency than existing Roots's mechanical supercharger under the slow-speed of revolution, and the turbo machine owing to the employing exhaust gas drive need not the engine spindle wasted work as power source under high rotating speed.Compared with adopting traditional waste gas supercharging device and mechanical pressurizing apparatus dual supercharging device simultaneously; Screw type combined supercharging device since the double-screw compressor that adopts reliable and effective as unique supercharging air parts; And under the described controlling method of the utility model, make that the pressurization system more compact structure is reliable; Weight is lighter, and cost is lower.Utilize the belt pulley transmission and arrange that the adjusting of intake and exhaust bypass makes the combined supercharging system adapt to different operating modes and requirement more.Adopt the utility model can guarantee in wideer speed range, to keep very high working efficiency, and anomalies such as surge do not appear in pressurized machine when obstruction or engine intake manifold internal pressure fluctuation situation occurring when engine intake passage.
Description of drawings
Fig. 1 is first embodiment's of screw type combined supercharging system a structural representation;
Fig. 2 is second embodiment's of screw type combined supercharging system a structural representation;
Fig. 3 is the 3rd embodiment's of screw type combined supercharging system a structural representation;
Fig. 4 is the structural representation of the double-screw compressor of Fig. 1, Fig. 2, screw type combined supercharging system shown in Figure 3.
To combine accompanying drawing that the utility model is done below further describes.
Embodiment
Please with reference to Fig. 1 and Fig. 4, the 3rd suction tude 6 of second suction tude 5, connection double-screw compressor 4 and air inlet bypass valve 3 that screw type combined supercharging system comprises motor 1, first suction tude 2, the air inlet bypass valve 3 that connects the motor 1 and first suction tude 2, double-screw compressor 4, be connected with double-screw compressor 4.Wherein said double-screw compressor 4 is provided with a pair of intermeshing helical rotors 41,42; The projecting shaft of one of them helical rotors 42 is provided with first belt pulley 43, and this first belt pulley 43 is connected through the belt pulley on the main shaft projecting shaft of first belt 8, first magnetic clutch 9, second belt 10 and motor 1.
Said motor 1 is provided with engine intake manifold 11 and enmgine exhaust 12.Said engine intake manifold 11 is connected with air inlet bypass valve 3.Described screw type combined supercharging system also comprises air intake filter 15 and catalytic converter 16, and said air intake filter 15 is arranged on the air inlet place of first suction tude 2 and second suction tude 5.Said catalytic converter 16 is arranged on the air outlet place of enmgine exhaust 12.Adopt air intake filter 15 can prevent to cause mechanical disorder in the airborne granule foreign entering system, adopt catalytic converter 16 can reduce the pollution of engine exhaust external environment condition.
The a pair of intermeshing helical rotors of said double-screw compressor 4 comprises female rotor 42 and male rotor 41; Said female rotor 42 is accomplished engagement action with male rotor 41 through synchromesh gear 45,46, is provided with oil sealing between the active chamber of said synchromesh gear 45,46 and yin, yang rotor 42,41.For weight reduction and the material that prevents to corrode double-screw compressor 4 adopt alloy aluminum, and carry out surperficial anodising.Double-screw compressor 4 shells are offered radiating fin (not shown), and pressurized machine is installed and guaranteed fin direction and engine blower wind direction in the same way.The a pair of rotor end-face profile of tooth number of teeth of double-screw compressor 4 is respectively 3,5 teeth, and the synchromesh gear gear ratio also is 3: 5.
The controlling method of the combined supercharging of screw type described in present embodiment system is specially:
When motor 1 has just been started working; First suction tude, 2 sides of air inlet bypass valve 3 are opened and the 3rd suction tude 6 side closures, and air gets into engine intake manifold 11 by first suction tude 2, and this moment, motor 1 was in the natural inflow pattern; First magnetic clutch 9 breaks off; Double-screw compressor 4 is not worked, and motor 1 is through gas exhaust manifold 12 exhausts, and exhaust is discharged through catalytic converter 16.
When motor 1 rotating speed reaches the respective value of double-screw compressor 4 startup rotating speeds; First suction tude, 2 side closures, the 3rd suction tude 6 sides of air inlet bypass valve 3 are opened; This moment, the main shaft rotation drive belt pulley by motor 1 provided the helical rotors 41,42 of moment of torsion to double-screw compressor 4; Double-screw compressor 4 is started working, and air gets into double-screw compressor 4 by second suction tude 5, and double-screw compressor 4 improves the pressure of inlet air through interior compression process; Thereby make more air pass through the 3rd suction tude 6, engine intake manifold 11 gets in the motors 1, again through enmgine exhaust 12, catalytic converter 16 exhausts.
When motor 1 was shut down, first magnetic clutch 9 broke off, and when treating that double-screw compressor 4 shuts down, the 3rd suction tude 6 sides of air inlet bypass valve 3 are closed fully and first suction tude, 2 sides are opened fully, and motor 1 shuts down.
Please with reference to Fig. 2 and Fig. 4, the 3rd suction tude 6 of second suction tude 5, connection double-screw compressor 4 and the air inlet bypass valve 3 that screw type combined supercharging system comprises motor 1, first suction tude 2, the air inlet bypass valve 3 that connects the motor 1 and first suction tude 2, double-screw compressor 4, be connected with double-screw compressor 4, the turbo machine 17 that is connected with motor 1.Wherein said turbo machine 17 is provided with a turbine rotor; Said double-screw compressor 4 is provided with a pair of intermeshing helical rotors 41,42; The projecting shaft of a said helical rotors 42 is provided with belt pulley 44, and this belt pulley 44 is connected through the belt pulley on the turbine rotor projecting shaft of belt 18,20, magnetic clutch 19 and turbo machine 17.
Said motor 1 is provided with engine intake manifold 11 and enmgine exhaust 12.Said engine intake manifold 11 is connected with air inlet bypass valve 3.Said enmgine exhaust 12 is connected with turbo machine 17 through exhaust by-pass valve 13.Described screw type combined supercharging system also comprises the exhaust bypass tube 14 that is connected with exhaust by-pass valve 13.Described screw type combined supercharging system also is provided with air intake filter 15 and catalytic converter 16, and said air intake filter 15 is arranged on the air inlet place of first suction tude 2 and second suction tude 5.Said catalytic converter 16 is arranged on the air outlet place of exhaust bypass tube 14.
Identical among the structure of said double-screw compressor 4 and the embodiment 1, do not do to be repeated in this description at this.
The controlling method of the combined supercharging of screw type described in present embodiment system is specially:
When motor 1 has just been started working; First suction tude, 2 sides of air inlet bypass valve 3 are opened and the 3rd suction tude 6 side closures; Air gets into motor 1 by first suction tude 2, and motor 1 is in the natural inflow pattern, and magnetic clutch 19 is in off state; This moment, double-screw compressor 4 was not all worked with turbo machine 17; Motor 1 exhaust is discharged through enmgine exhaust 12, this moment exhaust by-pass valve 13 turbo machine 17 side closures and exhaust bypass tube 14 sides are opened, exhaust is discharged through exhaust bypass tube 14, catalytic converter 16.
When motor 1 air displacement reaches the optimum speed respective value of turbo machine 17; First suction tude, 2 side closures, the 3rd suction tude 6 sides of air inlet bypass valve 3 are opened; The exhaust of motor 1 is discharged through gas exhaust manifold 12, and process exhaust by-pass valve 13 control flows are crossed the extraction flow of turbo machine 17, and exhaust promotes the turbine rotor running; The helical rotors 41,42 of the rotating drive double-screw compressor 4 through turbine rotor; Double-screw compressor 4 is started working, and air gets into double-screw compressor 4 by second suction tude 5, and double-screw compressor 4 improves the pressure of inlet air through interior compression process; Thereby making more air pass through the 3rd suction tude 6 gets in the motor 1; Exhaust by-pass valve 13 receives the tach signal of turbo machine 17 rotating speeds and temperature signal and motor 1, thereby regulates the extraction flow that flows through turbo machine 17, at last from turbo machine 17, exhaust bypass tube 14, catalytic converter 16 exhausts.In order to guarantee that turbo machine 17 is in normal working; Exhaust by-pass valve 13 receives the tach signal of turbo machine 17 rotating speeds and temperature signal and motor 1; Thereby regulate the extraction flow that flows through turbo machine 17, last exhaust is discharged from turbo machine 17, exhaust bypass tube 14, catalytic converter 16;
When motor 1 is shut down; Magnetic clutch 19 breaks off; When treating that double-screw compressor 4 shuts down; The 3rd suction tude 6 sides of air inlet bypass valve 3 are closed fully and first suction tude, 2 sides are opened fully, and turbo machine 17 sides of exhaust by-pass valve 13 are closed fully and exhaust bypass tube 14 sides are opened fully, and motor 1 normally shuts down.
Please with reference to Fig. 3 and Fig. 4, the 3rd suction tude 6 of second suction tude 5, connection double-screw compressor 4 and the air inlet bypass valve 3 that screw type combined supercharging system comprises motor 1, first suction tude 2, the air inlet bypass valve 3 that connects the motor 1 and first suction tude 2, double-screw compressor 4, be connected with double-screw compressor 4, the turbo machine 17 that is connected with said motor 1.Wherein said double-screw compressor 4 is provided with a pair of intermeshing helical rotors 41,42; The projecting shaft of a said helical rotors 42 is provided with first belt pulley 43, and this first belt pulley 43 is connected through the belt pulley on the main shaft projecting shaft of first belt 8, magnetic clutch 9, second belt 10 and motor 1; Also be provided with second belt pulley 44 on the projecting shaft of said helical rotors 42, this second belt pulley 44 is connected through the belt pulley on the turbine rotor projecting shaft of the 3rd belt 18, second magnetic clutch 19, the 4th belt 20 and turbo machine 17.
Said motor 1 is provided with engine intake manifold 11 and enmgine exhaust 12.Said engine intake manifold 11 is connected with air inlet bypass valve 3.Said enmgine exhaust 12 is connected with turbo machine 17 through exhaust by-pass valve 13.Described screw type combined supercharging system also comprises the exhaust bypass tube 14 that is connected with exhaust by-pass valve 13.Described screw type combined supercharging system also is provided with air intake filter 15 and catalytic converter 16, and said air intake filter 15 is arranged on the air inlet place of first suction tude 2 and second suction tude 5.Said catalytic converter 16 is arranged on the air outlet place of exhaust bypass tube 14.
Same, said double-screw compressor 4 is consistent with the description among the embodiment 1, no longer repeats at this.
The controlling method of the combined supercharging of screw type described in present embodiment system is specially:
When motor 1 has just been started working; First suction tude, 2 sides of air inlet bypass valve 3 are opened and the 3rd suction tude 3 side closures; Air gets into engine intake manifold 11 by first suction tude 2, and this moment, motor 1 was in the natural inflow pattern, and first magnetic clutch 9 and second magnetic clutch 19 all are in off state; This moment, double-screw compressor 4 was not all worked with turbo machine 17; Motor 1 exhaust is discharged through gas exhaust manifold 12, this moment exhaust by-pass valve 13 turbo machine 17 side closures and exhaust bypass tube 14 sides are opened, exhaust is discharged through exhaust bypass tube 14 and catalytic converter 16.
When motor 4 rotating speeds reached the respective value of double-screw compressor 4 startup rotating speeds, first magnetic clutch 9 was communicated with, and the 3rd suction tude 6 sides of air inlet bypass valve 3 are opened; And first suction tude, 2 side closures; The main shaft of motor 1 rotates the power source that double-screw compressor 4 is provided, and double-screw compressor 4 is started working, and air gets into double-screw compressor 4 by second suction tude 5; Double-screw compressor 4 improves the pressure of inlet air through interior compression process; Thereby make more air pass through the 3rd suction tude 6, engine intake manifold 11 gets in the motors 1, turbo machine 17 is not worked during this period, and motor 1 is through enmgine exhaust 12 combustion gas; Turbo machine 17 side closures of exhaust by-pass valve 13 and exhaust bypass tube 14 sides are opened, exhaust is discharged through exhaust bypass tube 14 and catalytic converter 16;
When continuing to increase above double-screw compressor 4, motor 1 rotating speed starts the rotating speed respective value; And when motor 1 air displacement reaches the optimum speed respective value of turbo machine 17; First electromagnetic clutch, 9 devices break off and second magnetic clutch 19 is communicated with, and the 3rd suction tude 6 sides of air inlet bypass valve 3 are opened and first suction tude, 2 sides are still closed, and motor 1 is connected with double-screw compressor 4 disengagings; Turbo machine 17 is started working and is provided double-screw compressor 4 power sources; Double-screw compressor 4 is started working, and air gets into double-screw compressor 4 by second suction tude 5, and double-screw compressor 4 improves the pressure of inlet air through interior compression process; Thereby make more air pass through the 3rd suction tude 6, engine intake manifold 11 gets in the motors 1; Motor 1 exhaust is discharged through enmgine exhaust 12, and this moment, turbo machine 17 sides of exhaust by-pass valve 13 were opened and exhaust bypass tube 14 side closures, and exhaust is discharged through turbo machine 17, catalytic converter 16;
Said exhaust by-pass valve 13 receives the temperature signal of exhaust catalytic converter 16, the rotating speed and the temperature signal of turbo machine 17.When the temperature that is higher than its safe speed of rotation and temperature, catalytic converter 16 when turbo machine 17 rotating speeds and temperature is lower than its minimum effective catalytic temperature; The turbo machine 17 side apertures of exhaust by-pass valve 13 reduce gradually and exhaust bypass tube 14 side apertures increase gradually; Thereby the extraction flow that the extraction flow that flows through turbo machine 17 is reduced and flow through exhaust bypass tube 14 increases; When the rotating speed of turbo machine 17 is lower than its optimum speed district, when the temperature of catalytic converter 16 is higher than its highest effective catalytic temperature; The turbo machine 17 side apertures of exhaust by-pass valve 13 increase and exhaust bypass tube 14 side apertures reduce until closing gradually, thereby the extraction flow that flows through turbo machine 17 are increased and the extraction flow that flows through exhaust bypass tube 14 reduces.
When motor 1 is shut down; First magnetic clutch 9 and second magnetic clutch 19 all break off; When treating that double-screw compressor 4 shuts down; The 3rd suction tude 6 sides of air inlet bypass valve 3 are closed fully and first suction tude, 2 sides are opened fully, and turbo machine 17 sides of exhaust by-pass valve 13 are closed fully and exhaust bypass tube 14 sides are opened fully, and motor 1 shuts down.
Although more than combine accompanying drawing that the embodiment of the utility model is described, the utility model is not limited to above-mentioned specific embodiments, and above-mentioned specific embodiments only is schematic, guiding, rather than restrictive.Those of ordinary skill in the art under the situation that does not break away from the scope that the utility model claim protected, can also make a variety of forms under the enlightenment of this specification, these all belong to the row of the utility model protection.
Claims (10)
1. screw type combined supercharging system; It is characterized in that: the 3rd suction tude (6) that comprises motor (1), first suction tude (2), the air inlet bypass valve (3) that connects the motor and first suction tude, double-screw compressor (4), second suction tude (5) that is connected with double-screw compressor, connection double-screw compressor and air inlet bypass valve; Wherein said double-screw compressor is provided with a pair of intermeshing helical rotors (41,42), is connected with the main shaft projecting shaft of motor on the projecting shaft of a said helical rotors.
2. screw type combined supercharging according to claim 1 system is characterized in that: this screw type combined supercharging system also comprises first suction tude (2), connect motor and the air inlet bypass valve (3) of first suction tude, second suction tude (5) that is connected with double-screw compressor, reach the 3rd suction tude (6) of connection double-screw compressor and air inlet bypass valve.
3. screw type combined supercharging according to claim 2 system, it is characterized in that: said motor is provided with engine intake manifold (11) and enmgine exhaust (12), and said engine intake manifold is connected with the air inlet bypass valve.
4. screw type combined supercharging according to claim 3 system; It is characterized in that: said screw type combined supercharging system also comprises air intake filter (15) and catalytic converter (16), and said air intake filter is arranged on the air inlet place of first suction tude and second suction tude; Said catalytic converter is arranged on the air outlet place of enmgine exhaust.
5. a kind of screw type combined supercharging according to claim 1 system; It is characterized in that: this screw type combined supercharging system also comprises the turbo machine (17) that is connected with said motor; Wherein said turbo machine is provided with a turbine rotor, and the projecting shaft of a helical rotors of said double-screw compressor is connected with the turbine rotor projecting shaft of turbo machine.
6. a kind of screw type combined supercharging according to claim 5 system; It is characterized in that: the projecting shaft of a said helical rotors is provided with first belt pulley (43), and this first belt pulley is connected with the main shaft projecting shaft of motor through first belt (8), first magnetic clutch (9), second belt (10); Also be provided with second belt pulley (44) on the projecting shaft of a said helical rotors, this second belt pulley is connected through the belt pulley on the turbine rotor projecting shaft of the 3rd belt (18), second magnetic clutch (19), the 4th belt (20) and turbo machine.
7. screw type combined supercharging according to claim 5 system, it is characterized in that: said motor is provided with engine intake manifold (11) and enmgine exhaust (12), and said engine intake manifold is connected with the air inlet bypass valve; Said screw type combined supercharging system also is provided with the exhaust by-pass valve (13) that is connected with enmgine exhaust, the exhaust bypass tube (14) that is connected with exhaust by-pass valve.
8. screw type combined supercharging according to claim 7 system; It is characterized in that: said screw type combined supercharging system also comprises air intake filter (15) and catalytic converter (16), and said air intake filter is arranged on the air inlet place of first suction tude and second suction tude; Said catalytic converter is arranged on the air outlet place of exhaust bypass tube.
9. screw type combined supercharging system; It is characterized in that: comprise motor (1), first suction tude (2), the air inlet bypass valve (3) that connects the motor and first suction tude, double-screw compressor (4), second suction tude (5) that is connected with double-screw compressor, connection double-screw compressor and the 3rd suction tude (6) of air inlet bypass valve, the turbo machine (17) that is connected with exhaust opening of engine; Wherein said turbo machine is provided with a turbine rotor; Said double-screw compressor is provided with a pair of intermeshing helical rotors (41,42); The projecting shaft of a said helical rotors is provided with belt pulley (43), and this belt pulley is connected through the belt pulley on the turbine rotor projecting shaft of belt (18,20), magnetic clutch (19) and turbo machine.
10. screw type combined supercharging according to claim 9 system, it is characterized in that: said motor is provided with engine intake manifold (11) and enmgine exhaust (12), and said engine intake manifold is connected with the air inlet bypass valve; Said screw type combined supercharging system also is provided with the exhaust by-pass valve (13) that is connected with enmgine exhaust, and the exhaust bypass tube (14) that is connected with exhaust by-pass valve; Said enmgine exhaust is connected with turbo machine through exhaust by-pass valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211381U CN202132102U (en) | 2011-06-21 | 2011-06-21 | Screw-type combined pressurizing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211381U CN202132102U (en) | 2011-06-21 | 2011-06-21 | Screw-type combined pressurizing system |
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| CN202132102U true CN202132102U (en) | 2012-02-01 |
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| CN201120211381U Expired - Fee Related CN202132102U (en) | 2011-06-21 | 2011-06-21 | Screw-type combined pressurizing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269045A (en) * | 2011-06-21 | 2011-12-07 | 西安交通大学 | Screw rod type combined pressurization system and control method thereof |
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2011
- 2011-06-21 CN CN201120211381U patent/CN202132102U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269045A (en) * | 2011-06-21 | 2011-12-07 | 西安交通大学 | Screw rod type combined pressurization system and control method thereof |
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Granted publication date: 20120201 Termination date: 20120621 |