CN103967592A - Engine turbocharger - Google Patents
Engine turbocharger Download PDFInfo
- Publication number
- CN103967592A CN103967592A CN201310372239.7A CN201310372239A CN103967592A CN 103967592 A CN103967592 A CN 103967592A CN 201310372239 A CN201310372239 A CN 201310372239A CN 103967592 A CN103967592 A CN 103967592A
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- Prior art keywords
- valve
- vacuum
- control unit
- driver
- turbocharger
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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
An engine turbocharger comprises an air compressor (20), a turbine (30), a bypass pipeline (14) and a waste gas exhausting device (40). The waste gas discharge device comprises a pressure sensor (41), an electric control unit (42), a vacuum electromagnetic valve (43), a vacuum pump (44), an exhausting driver (45), and an exhaust valve (46). The pressure sensor is disposed at the downstream part of the air compressor; the electric control unit can receive an output signal from the pressure sensor; the vacuum electromagnetic valve can receive an output signal from the electric control unit; the vacuum electromagnetic valve is provided with a valve outlet and a valve inlet; a pump intake port of the vacuum pump is communicated with the valve outlet of the vacuum electromagnetic valve; the exhausting driver comprises a control end and an operating end; the control end is communicated with the valve inlet of the vacuum electromagnetic valve; the exhaust valve is disposed on the bypass pipeline and can be operated through the operating end. Openness of the exhaust valve is adjusted under electric control according to the pressure of an intake pipe, operating efficiency of the engine turbocharger is improved, and the performance of an engine is improved.
Description
Technical field
The present invention relates to technical field of engines, relate in particular to the waste gas means of deflation of turbocharger of motor, especially there is the turbocharger of motor that automatically controlled waste gas venting is controlled.
Background technique
In order to tackle the energy-saving and emission-reduction regulation of increasingly stringent in worldwide, and improve engine performance, turbocharging technology is widely used and develops.In order to ensure the good performance of supercharged engine, turbo machine has good coordinate with motor with the cooperation performance characteristic of gas compressor in broad scope, therefore, existing turbosupercharger is with being often all furnished with waste gas bleed valve, to improve the performance of engine section load, after gas compressor goes out atmospheric pressure (being engine charge pressure) and acquires a certain degree, venting valve is opened automatically, a part of exhaust gas bypass is bled off, to avoid pressurized machine excess load work.
The normally mechanical membrane boxlike of bleed valve adopting at present, the both sides of diaphragm spring are connected with continuous motion stem with connecting tube respectively, connecting tube is connected with engine air inlet tube, and continuous motion stem is connected with bleed valve, and bleed valve aperture is determined by the rigidity of bellows medi-spring, length and the suction press of continuous motion stem.By this mechanical control mode, cannot realize the linearity control that bleed valve aperture is boost pressure according to the change of engine operation condition, and have control accuracy and the lower defect of sensitivity.
Summary of the invention
The object of the invention is to overcome the deficiency of existing turbocharger of motor, provide a kind of can be according to the demand of boost pressure under the different operating conditionss of motor, realize the control of boost pressure by the accurate control of electric control air-release valve aperture, improve turbocharger operation efficiency, improve engine performance.
The invention provides turbocharger of motor, it comprises a gas compressor, a turbo machine, a bypass line and a waste gas means of deflation.Gas compressor is connected in the suction tude of engine body; Turbo machine is connected in the outlet pipe of engine body and coaxial with gas compressor; Bypass line is communicated with outlet pipe, and being communicated with between the upstream and downstream that part lays respectively at turbo machine of bypass line and outlet pipe.Waste gas means of deflation comprises a pressure transducer, an ECU (Electrical Control Unit), a vacuum solenoid, a vacuum pump, a venting driver and a bleed valve.Pressure transducer is placed in the downstream part of gas compressor, ECU (Electrical Control Unit) can receive the output signal of the sensor of calming the anger, vacuum solenoid can receive the output signal of ECU (Electrical Control Unit), vacuum solenoid has a valve outlet port and a valve import, the pump steam inlet of vacuum pump is connected with the valve outlet port of vacuum solenoid, venting driver comprises a control end and an operating end, and control end communicates with the valve import of vacuum solenoid, and bleed valve is placed on bypass line and can be operated by operating end.
In the another kind of exemplary embodiment of turbocharger of motor, the control end of bleed valve driver is a bellows-type driver, and operating end is a drive link.
Adopt turbocharger of motor of the present invention, ECU (Electrical Control Unit) can be according to the size of the suction pressure receiving from pressure transducer, output control signal, control the work of vacuum solenoid, regulate the aperture of bleed valve by venting driver, control the exhausted air quantity passing through in bypass line, thereby change the output of turbo machine, and then adjust the output of gas compressor.
Brief description of the drawings
The following drawings only schematically illustrates and explains the present invention, not delimit the scope of the invention.
A kind of exemplary embodiment of Fig. 1 turbocharger of motor.
Label declaration
10 engine bodies
12 suction tude
13 outlet pipes
14 bypass lines
20 gas compressors
30 turbo machines
40 waste gas means of deflations
41 pressure transducers
42 ECU (Electrical Control Unit)
43 vacuum solenoids
434 valve outlet ports
435 valve imports
44 vacuum pumps
45 venting drivers
453 control ends
456 operating ends
46 bleed valves.
Embodiment
For technical characteristics, object and the effect of invention are had more clearly and understood, now contrast brief description of the drawings the specific embodiment of the present invention, in each figure, identical label represents identical part.
In this article, " schematically " expression " is served as example, example or explanation ", any diagram, the mode of execution that are described in this article " schematically " should be interpreted as a kind of preferred or have more the technological scheme of advantage.In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
As shown in Figure 1, turbocharger of motor comprises a gas compressor 20, turbo machine 30, bypass line 14 and a waste gas means of deflation.Gas compressor 20 is connected in the suction tude 12 of engine body 10, and turbo machine 30 is connected in the outlet pipe 13 of engine body 10 and coaxial with gas compressor 20.Bypass line 14 is communicated with outlet pipe 13, and being communicated with between the upstream and downstream that part lays respectively at turbo machine 30 of bypass line 14 and outlet pipe 13.
Waste gas means of deflation comprises a pressure transducer 41, ECU (Electrical Control Unit) 42, vacuum solenoid 43, vacuum pump 44, venting driver 45 and a bleed valve 46.Pressure transducer 41 is placed in the downstream part of gas compressor, and ECU (Electrical Control Unit) 42 can receive the output signal of the sensor 41 of calming the anger, and vacuum solenoid 43 can receive the output signal of ECU (Electrical Control Unit) 42.Vacuum solenoid 43 has an outlet 434 and an import 435.The suction port of vacuum pump 44 is connected with the outlet 434 of vacuum solenoid 43.Venting driver 45 comprises a control end 453 and an operating end 456, and control end 453 communicates with the import 435 of vacuum solenoid 43.Bleed valve 46 is placed on bypass line 14, and can be operated by operating end 456.
In a kind of exemplary embodiment of turbocharger of motor, the control end 453 of bleed valve actuating valve device 45 is a bellows-type driver, and operating end 456 is a drive link.
In turbocharger of motor of the present invention, ECU (Electrical Control Unit) 42 can be according to the size of the suction pressure receiving from pressure transducer 41, and output control signal, controls the work of vacuum solenoid 43, regulates the aperture of bleed valve 46 by venting driver 45.For example, in the time of engine operation process, ECU (Electrical Control Unit) 42 can be compared the Boost-Pressure-Desired value obtaining by engine calibration under pressure that pressure transducer 41 records and this operating conditions, in the time that institute's measuring pressure is higher, can increase bleed valve 46 apertures, otherwise reduce bleed valve 46 apertures.
Be to be understood that, although this specification is described according to embodiment, but not an embodiment only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technological scheme in each embodiment also can, through appropriately combined, form other mode of executions that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present invention; they are not in order to limit the scope of the invention; allly do not depart from equivalent embodiment or the change that skill spirit of the present invention is done; as the combination of feature, cut apart or repeat, within all should being included in protection scope of the present invention.
Claims (2)
1. turbocharger of motor, it comprises:
One is connected in the gas compressor (20) of the suction tude (12) of engine body (10);
One is connected in the outlet pipe (13) of engine body (10) and the turbo machine (30) coaxial with described gas compressor (20);
A bypass line (14) being communicated with outlet pipe (13), and being communicated with between the upstream and downstream that part lays respectively at described turbo machine (30) of bypass line (14) and described outlet pipe (13); With
A waste gas means of deflation (40), is characterized in that this waste gas means of deflation comprises:
One is placed in the pressure transducer (41) of described gas compressor (20) downstream part,
The ECU (Electrical Control Unit) (42) of the output signal of the sensor (41) of calming the anger described in can receiving,
One can receive the vacuum solenoid (43) of the output signal of described ECU (Electrical Control Unit) (42), and this vacuum solenoid (43) has a valve outlet port (434) and a valve import (435),
A vacuum pump (44), the pump steam inlet of this vacuum pump (44) is connected with the valve outlet port (434) of described vacuum solenoid (43),
A venting driver (45), this venting actuating valve (45) comprises a control end (453) and an operating end (456), described control end (454) communicates with the valve import (435) of described vacuum solenoid (43), and
One is placed in the bleed valve (46) that described bypass line (14) is upper and can be operated by described operating end (456).
2. according to the turbocharger of motor described in claim 1, the control end (453) of wherein said bleed valve driver (45) is a bellows-type driver, and described operating end (456) are a drive link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310372239.7A CN103967592A (en) | 2013-08-23 | 2013-08-23 | Engine turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310372239.7A CN103967592A (en) | 2013-08-23 | 2013-08-23 | Engine turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103967592A true CN103967592A (en) | 2014-08-06 |
Family
ID=51237530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310372239.7A Pending CN103967592A (en) | 2013-08-23 | 2013-08-23 | Engine turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103967592A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614184A (en) * | 2015-02-12 | 2015-05-13 | 广西玉柴机器股份有限公司 | Simulator in exhaust driven supercharger in simulated highland test of engine |
| CN106968780A (en) * | 2017-06-02 | 2017-07-21 | 广西玉柴机器股份有限公司 | Gas machine turbocharger control systems |
| CN107165709A (en) * | 2016-03-08 | 2017-09-15 | 福特环球技术公司 | Engine exhaust system |
| CN107620622A (en) * | 2017-10-31 | 2018-01-23 | 潍柴动力股份有限公司 | Exhaust emission control system of engine and diesel vehicle |
| CN109404148A (en) * | 2018-10-29 | 2019-03-01 | 宝鸡吉利发动机有限公司 | A kind of air pressure control method, device and automobile |
| CN113389764A (en) * | 2021-06-30 | 2021-09-14 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01100317A (en) * | 1987-10-13 | 1989-04-18 | Hitachi Ltd | Supercharged pressure control device for internal combustion engine |
| GB2248270A (en) * | 1990-09-29 | 1992-04-01 | Daimler Benz Ag | Exhaust turbocharged i.c. engine charge pressure control |
| US6055811A (en) * | 1998-04-15 | 2000-05-02 | Caterpillar, Inc. | Apparatus and method for controlling the air flow into an engine |
| US20110203269A1 (en) * | 2011-03-17 | 2011-08-25 | Ford Global Technologies, Llc | Engine Vacuum System |
| CN102278194A (en) * | 2011-07-07 | 2011-12-14 | 湖南天雁机械有限责任公司 | Turbocharging gasoline engine system with pulse width modulation valve and method for controlling turbocharging pressure |
| CN203476494U (en) * | 2013-08-23 | 2014-03-12 | 江苏大学 | Turbocharger of engine |
-
2013
- 2013-08-23 CN CN201310372239.7A patent/CN103967592A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01100317A (en) * | 1987-10-13 | 1989-04-18 | Hitachi Ltd | Supercharged pressure control device for internal combustion engine |
| GB2248270A (en) * | 1990-09-29 | 1992-04-01 | Daimler Benz Ag | Exhaust turbocharged i.c. engine charge pressure control |
| US6055811A (en) * | 1998-04-15 | 2000-05-02 | Caterpillar, Inc. | Apparatus and method for controlling the air flow into an engine |
| US20110203269A1 (en) * | 2011-03-17 | 2011-08-25 | Ford Global Technologies, Llc | Engine Vacuum System |
| CN102278194A (en) * | 2011-07-07 | 2011-12-14 | 湖南天雁机械有限责任公司 | Turbocharging gasoline engine system with pulse width modulation valve and method for controlling turbocharging pressure |
| CN203476494U (en) * | 2013-08-23 | 2014-03-12 | 江苏大学 | Turbocharger of engine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614184A (en) * | 2015-02-12 | 2015-05-13 | 广西玉柴机器股份有限公司 | Simulator in exhaust driven supercharger in simulated highland test of engine |
| CN107165709A (en) * | 2016-03-08 | 2017-09-15 | 福特环球技术公司 | Engine exhaust system |
| CN106968780A (en) * | 2017-06-02 | 2017-07-21 | 广西玉柴机器股份有限公司 | Gas machine turbocharger control systems |
| CN107620622A (en) * | 2017-10-31 | 2018-01-23 | 潍柴动力股份有限公司 | Exhaust emission control system of engine and diesel vehicle |
| CN109404148A (en) * | 2018-10-29 | 2019-03-01 | 宝鸡吉利发动机有限公司 | A kind of air pressure control method, device and automobile |
| CN109404148B (en) * | 2018-10-29 | 2021-11-19 | 宝鸡吉利发动机有限公司 | Air pressure control method and device and automobile |
| CN113389764A (en) * | 2021-06-30 | 2021-09-14 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
| CN113389764B (en) * | 2021-06-30 | 2022-11-15 | 四川航天烽火伺服控制技术有限公司 | Hydraulic equipment and turbo pump outlet pressure control system thereof |
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Application publication date: 20140806 |