CN202140163U

CN202140163U - Turbocharger and engine

Info

Publication number: CN202140163U
Application number: CN201120193318U
Authority: CN
Inventors: 晁鑫
Original assignee: Pan Asia Technical Automotive Center Co Ltd; Shanghai General Motors Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2011-06-09
Filing date: 2011-06-09
Publication date: 2012-02-08
Anticipated expiration: 2021-06-09

Abstract

The utility model relates to a turbocharger and an engine. The turbocharger includes a turbine, a compressor, an intermediate body, a solenoid valve, an electronic intake bypass valve, and a waste gas bypass valve actuator, wherein the turbine and the intermediate body One end is connected, the compressor is connected with the other end of the intermediate body, and the solenoid valve is arranged on the shell of the compressor, wherein the solenoid valve is connected to the air inlet and the exhaust port of the compressor respectively, and the solenoid valve further It is electrically connected with the central electronic control module, the actuator of the wastegate valve is connected with the turbine, the electronic intake bypass valve is fixed on the casing of the compressor, and the electronic intake bypass valve It is also electrically connected with the central electronic control module.

Description

Turbosupercharger and motor

[technical field]

The utility model relates to a kind of turbosupercharger, and especially, the utility model relates to a kind of Motor Vehicle supercharging turbosupercharger of starting and motor that is provided with this turbosupercharger of being used for.

[background technique]

Well-known motor does work at combustor inner cylinder by fuel and produces power, sucks air quantitative limitation in the cylinder because the fuel quantity of input receives, and the power that motor produced thus also is restricted.If the ride quality of motor has been in the optimum state, further increases output power and can only increase burning capacity, thereby improve the work by combustion ability through compression more air entering cylinder.Thus, produced turbosupercharger, it increases output power under the constant situation of engine operation efficient.Turbo charging installation increases the air inflow of motor through pressurized air.

Turbo charging installation mainly is made up of turbine chamber and pressurized machine; Wherein the suction port of turbine chamber links to each other with enmgine exhaust and relief opening then is connected on the outlet pipe; The suction port of pressurized machine links to each other with the air-strainer pipeline and its relief opening is connected on the intake manifold; Turbine and impeller are contained in respectively in turbine chamber and the pressurized machine, the two coaxial rigid connection.Generally, the waste gas inertia impulsive force that turbosupercharging utilizes motor to discharge promotes the turbine in the turbine chamber, makes turbine drive coaxial impeller, and the air that the impeller force feed is sent here by the air-strainer pipeline makes it supercharging and gets into cylinder.When engine speed speeds; The waste gas velocity of discharge and secondary speed also speed synchronously; Impeller just compresses more air and gets into cylinder; The pressure of air and density increase the more fuel that can burn, corresponding increase fuel quantity with adjust the rotating speed of motor, thereby increase the output power of motor.

One Chinese patent application discloses a kind of exhaust gas turbocharger internal combustion engine CN200680005485.7 number, and it has at least one cylinder, is compressed machine 10 precompressed fuel one air mixtures and in cylinder, is compressed and burns; Produced waste gas in this course; Waste gas from cylinder, discharge and in turbo machine 19 by step-down, wherein the part waste gas of discharging from cylinder turbo machine 19 by step-down before or after, be recovered through high pressure or low pressure exhaust gas recirculating line; Said pipeline is equipped with exhaust gas cooling device; It comprises that one or at least two cooling circuits, these loops pass along the heat exchanger core of the flow direction series connection of waste gas, wherein is arranged in as far as possible the heat exchanger core in downstream along exhaust gas flow direction and arranges with the mode of erectting; Like this; Heat exchanger core is just parallel or be basically parallel to the line of action of gravity, from percolation down or from top to bottom, is provided with that condensed fluid compiles and/or tapping equipment by waste gas simultaneously in the underpart of heat exchanger core.

One Chinese patent application also discloses a kind of turbosupercharger CN200580017214.9 number; It has the turbine shroud that has a turbine wheel, has to be arranged in the sleeve that is used for variable turbine geometry in the turbine shroud, has the bearing housing between the compressor housing that is arranged in this turbine shroud and compressor impeller; And wherein arrange to be useful on the axle that carries this turbine wheel and this compressor impeller; And have the dish arrangement that is arranged between housing and this bearing housing, and wherein should dish arrangement form by at least two material layers, air gap is arranged between these material layers; A material layer is designed to conical disc, and another material layer is provided with bending.

[ The model utility content]

A purpose of the utility model is, a kind of technological scheme of new turbosupercharger is provided, its compact structure, arrangement convenience.

The above-mentioned purpose of the utility model solves through following technological scheme with other purposes:

The utility model provides a kind of turbosupercharger; Wherein said turbosupercharger includes turbo machine, compressor, intermediate, solenoid valve, electronics air inlet bypass valve, exhaust gas bypass valve actuator; Wherein said turbo machine is connected with an end of said intermediate; Said compressor is connected with the other end of said intermediate

Said solenoid valve is arranged on the housing of said compressor, and wherein said solenoid valve is communicated to the suction port and the relief opening of said compressor respectively, and said solenoid valve further electrically connects with central eletronics,

Said exhaust gas bypass valve actuator is connected with said turbo machine,

Said electronics air inlet bypass valve is fixed on the housing of compressor, and said electronics air inlet bypass valve is same and central eletronics electrically connects.

The turbosupercharger that the utility model provided, preferably, said turbo machine passes through the V-type clip connected to an end of said intermediate, and said compressor is connected on the other end of said intermediate through bolt.

The turbosupercharger that the utility model provided, preferably, the inlet flange of said turbo machine is the triangle flange with the flange of giving vent to anger.

The turbosupercharger that the utility model provided preferably, is integrated with the crankcase ventilation pipeline at the suction port place of said compressor.

The turbosupercharger that the utility model provided, preferably, the axial almost parallel of the air outlet of the axial and said compressor of the turnover oil duct of said intermediate; The inlet flange approximate vertical of the axial and said turbo machine of the turnover oil duct of said intermediate.

The turbosupercharger that the utility model provided, preferably, the inside that a coupling shaft 20 is supported on said intermediate through spring bearing and the support sleeve that is arranged on this coupling shaft.

The turbosupercharger that the utility model provided preferably, is equipped with the turbine assembly of turbo machine at an end of said coupling shaft, and the impeller of said compressor is installed at the other end of said coupling shaft.

The turbosupercharger that the utility model provided, preferably, said turbine assembly and said coupling shaft are whole to be constituted, and the impeller of said compressor perhaps radially is fixed on the other end of said coupling shaft through lock screw through the key connection.

The turbosupercharger that the utility model provided preferably, is provided with screw thread at the other end of said coupling shaft, and locking nut is spun on the said screw thread and the impeller of said compressor is resisted against on the said locking nut.

The turbosupercharger that the utility model provided; Preferably; On said coupling shaft, also be provided with thrust bush, thrust bearing and thrust plate; One end of wherein said thrust bearing is resisted against on the thrust plate, and the other end is resisted against an end of said thrust bush, and the other end of said thrust bush is against the opposite side of the impeller of said compressor.

The turbosupercharger that the utility model provided, preferably, said thrust bush is supported by the intermediate backboard of intermediate diametrically.

The turbosupercharger that the utility model provided preferably, is provided with at least one seal ring on said thrust bush.

The turbosupercharger that the utility model provided preferably, is provided with thermal shield between said turbo machine and said intermediate.

Understand easily, any reasonable combination of technique scheme is obviously also within the protection domain of the utility model.

In addition, another purpose of the utility model is to provide a kind of motor that comprises aforementioned arbitrary said turbosupercharger.

[description of drawings]

Below in conjunction with accompanying drawing, the preferred implementation of the utility model is carried out in detail or preferred the description, wherein,

Fig. 1 is the stereogram of an angle of the turbosupercharger of the utility model.

Fig. 2 is the stereogram of another angle of the turbosupercharger of the utility model.

Fig. 3 is the sectional view of the turbosupercharger of the utility model.

[embodiment]

Understand easily, according to the technological scheme of the utility model, under the connotation that does not change the utility model, one of ordinary skill in the art can propose a plurality of mode of structure of the utility model.Therefore following embodiment and accompanying drawing only are to the specifying of the technological scheme of the utility model, and should not be regarded as the utility model all perhaps be regarded as qualification or restriction to the utility model technological scheme.

Below with reference to figure 1 and Fig. 2; The turbosupercharger of the utility model mainly includes turbo machine 1, compressor 2, intermediate 3, solenoid valve 4, electronics air inlet bypass valve 5, exhaust gas bypass valve actuator 6; Wherein, Said turbo machine 1 is connected with an end of said intermediate 3, and the other end of said intermediate 3 is connected with said compressor 2.Preferably, said turbo machine 1 passes through the V-type clip connected to an end of said intermediate 3, and said compressor 2 is fastenedly connected on the other end of said intermediate through bolt connection ground mode.Further preferably, the inlet flange of turbo machine 1 is the triangle flange, can be connected with gas exhaust manifold by three fastening pieces during use; The flange of giving vent to anger is similarly the triangle flange, is connected with ternary catalyzing unit by other three fastening pieces during use.Suction port place at said compressor 2 preferably is integrated with the crankcase ventilation pipeline.Said solenoid valve 4 is arranged on the housing of compressor 2, and preferably is fixed on the housing of compressor 2 through bolt connection ground mode.Wherein, said solenoid valve 4 preferably is connected respectively to the suction port and the relief opening of compressor 2 through the connection flexible pipe, and said solenoid valve 4 further electrically connects with central eletronics.Said solenoid valve 4 is mainly used in control exhaust gas bypass valve actuator 6, be used under the different operating modes of motor, regulating the exhaust flow flux through turbo machine, thereby the rotating speed of control turbosupercharger realizes controlling suction pressure.Said exhaust gas bypass valve actuator 6 is connected with said turbo machine 1.Said electronics air inlet bypass valve 5 is fixed on the housing of compressor 2, its role is to the air pressure after the compression is remained within the setting range, thus the device damage of avoiding overvoltage to cause.The 5 same and central eletronics electric connections of electronics air inlet bypass valve.

Further preferably, the axial almost parallel of the air outlet of the axial and said compressor 2 of the turnover oil duct of said intermediate 3; The inlet flange approximate vertical of the axial and turbo machine 1 of the turnover oil duct of intermediate 3 preferably is 84 ° of angles.

Further with reference to accompanying drawing 3, it schematically shows the sectional view of the turbosupercharger of the utility model.As shown in the figure, coupling shaft 20 is through being arranged on the inside that spring bearing 15 and support sleeve 16 on the coupling shaft 20 is supported on intermediate 2.At an end of coupling shaft 20 the turbine assembly 7 of turbo machine 1 is installed, preferably, said turbine assembly 7 and coupling shaft 20 are whole to be constituted.At the other end of coupling shaft 20 impeller 8 of compressor 2 is installed, the impeller of said compressor 2 for example can connect or radially be fastened on the other end of coupling shaft 20 through lock screw through key.Said coupling shaft 20 axially on, be provided with screw thread at the other end of coupling shaft 20, make the side of impeller of compressor 20 against the locking nut 17 that is spun on this screw thread.On said coupling shaft 20, also be provided with thrust bush 12, thrust bearing 13 and thrust plate 14; One end of wherein said thrust bearing 13 is resisted against on the thrust plate 14; The other end is resisted against an end of said thrust bush 12, and the other end of said thrust bush 12 is against the opposite side of the impeller 8 of said compressor 20.Said thrust bush 12 is supported by the intermediate backboard 10 of intermediate 2 diametrically.In addition, on said thrust bush 12, also be provided with at least one seal ring 18, said seal ring 18 is used for preventing that lubricant oil from flowing into impeller 8.As shown in Figure 3, turbo machine 1 preferably is connected with said intermediate 3 through V-type clip 9.And, between said turbo machine 1 and said intermediate 3, also be provided with thermal shield 11, in order to prevent the heat circulation between turbo machine 1 and the intermediate 3.

Obviously, the turbocharger arrangement of the utility model is simple, and connection and reasonable arrangement can be widely used in the motor of multiple vehicle.

Claims

1. A turbocharger, characterized in that, the turbocharger includes a turbine, a compressor, an intermediate, a solenoid valve, an electronic intake bypass valve, and a wastegate actuator, wherein the turbine connected to one end of the intermediate body, the compressor is connected to the other end of the intermediate body,

The solenoid valve is arranged on the casing of the compressor, wherein the solenoid valve is connected to the air inlet and the exhaust port of the compressor respectively, and the solenoid valve is further electrically connected with the central electronic control module ,

the wastegate actuator is coupled to the turbine,

The electronic intake bypass valve is fixed on the casing of the compressor, and the electronic intake bypass valve is also electrically connected to the central electronic control module.

2. The turbocharger according to claim 1, wherein the turbine is connected to one end of the intermediate body by a V-clamp, and the compressor is connected to an end of the intermediate body by bolts. on the other end.

3. The turbocharger according to claim 1, wherein the inlet flange and the outlet flange of the turbine are triangular flanges.

4. The turbocharger of claim 1, wherein a crankcase ventilation line is integrated at the air inlet of the compressor.

5. The turbocharger according to claim 1, wherein the axial direction of the oil inlet and outlet of the intermediate body is approximately parallel to the axial direction of the air outlet of the compressor; the oil inlet and outlet of the intermediate body The axial direction of the duct is approximately perpendicular to the intake flange of the turbine.

6. The turbocharger according to claim 1, wherein a connecting shaft is supported inside the intermediate body through a supporting bearing and a supporting bush provided on the connecting shaft.

7. The turbocharger according to claim 6, wherein a turbine assembly of a turbine is mounted on one end of the connecting shaft, and an impeller of the compressor is mounted on the other end of the connecting shaft.

8. The turbocharger according to claim 7, wherein the turbine assembly is formed integrally with the connecting shaft, and the impeller of the compressor is fixed radially on the shaft through a key connection or through locking screws. on the other end of the connecting shaft.

9. The turbocharger according to claim 7, wherein a screw thread is provided at the other end of the connecting shaft, a lock nut is screwed on the screw thread and the impeller of the compressor abuts against the screw thread. on the locknut described above.

10. The turbocharger according to claim 9, wherein a thrust bushing, a thrust bearing and a thrust plate are also provided on the connecting shaft, wherein one end of the thrust bearing abuts against On the thrust plate, the other end abuts against one end of the thrust sleeve, and the other end of the thrust sleeve abuts against the other side of the impeller of the compressor.

11. The turbocharger of claim 10, wherein the thrust bushing is radially supported by an intermediate body back plate of the intermediate body.

12. The turbocharger of claim 10, wherein at least one sealing ring is provided on the thrust bush.

13. The turbocharger of claim 7, wherein a heat shield is provided between the turbine and the intermediate body.

14. An engine comprising a turbocharger as claimed in any preceding claim.