CN103590892A - Vortex type volute outlet and air valve valve rod type bypass actuator assembly - Google Patents
Vortex type volute outlet and air valve valve rod type bypass actuator assembly Download PDFInfo
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- CN103590892A CN103590892A CN201310548521.6A CN201310548521A CN103590892A CN 103590892 A CN103590892 A CN 103590892A CN 201310548521 A CN201310548521 A CN 201310548521A CN 103590892 A CN103590892 A CN 103590892A
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- volute
- valve rod
- air valve
- actuator assembly
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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 invention discloses a vortex type volute outlet and air valve valve rod type bypass actuator assembly which comprises a volute and an actuator arranged on the volute. A waste gas runner and an air exhaust channel which is arranged at the air outlet end of a turbine are arranged in the volute. The actuator comprises an air valve valve rod, and the air valve valve rod penetrates through the volute and extends out of the volute. An outer shell is fixed to one end, arranged outside the volute, of the air valve valve rod through a support, the portion, arranged in the outer shell, of the air valve valve rod is provided with a spring assembly, and the portion, arranged in the volute, of the air valve valve rod is communicated with the waste gas runner and the air exhaust channel. Through the method, the vortex type volute outlet and air valve valve rod type bypass actuator assembly is simple and reliable in structure, convenient to assemble and maintain and capable of effectively improving the pressurization effect of a pressurizer when an engine operates at low speed, improving low-speed torque of the engine and effectively avoiding the problem of excessive pressurization when the engine operates at high speed.
Description
Technical field
The present invention relates to field of mechanical technique, particularly relate to a kind of Scroll-tupe volute outlet and air valve rod-type bypass actuator assembly.
Background technique
The working principle of turbosupercharger is by engine exhaust, promotes turbine acting, makes and the coaxial gas compressor work being connected of turbine, offers engine high pressure, high-density air, thereby improves Engine torque, power, energy-conservation discharge.In order to improve the low-speed characteristic of turbosupercharger, people have invented exhaust gas bypass formula turbosupercharger, it is by selecting less turbine and volute, under high speed conditions, a part of waste gas is directly bypassed to volute by control valve and exports, to sacrifice the mode of part energy, reach the object that improves low-speed characteristic simultaneously.Because exhaust-gas turbocharger is the exhaust gas-driven turbine acting of discharging by motor, so in the slow-revving situation of motor, the waste gas of discharge is less, not enough to turbine acting, if increase the air inflow of volute, there will be again the excessive problem of supercharging.
Traditional exhaust gas bypass final controlling element is to consist of volute assembly, by-pass valve assembly, Rocker arm assembly, diaphragm type final controlling element assembly, and final controlling element is controlled poppet valve opening and closing by rocker arm body; Bypass valve axostylus axostyle is welded with Rocker arm assembly through after volute axle sleeve.Whole rocker structure is complicated, higher to parts machining, assembling, welding requirements, under the condition of high temperature, the temperature distortion of volute axle sleeve, easy loosening play, the easily main wearing and tearing of card of bypass valve axostylus axostyle and volute axle sleeve, once rocker arm body inefficacy cannot be keeped in repair.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of Scroll-tupe volute outlet and air valve rod-type bypass actuator assembly, can solve the poor and excessive problem of high-speed boosting of turbocharger low speed boost performance, can also solve the problem that conventional rocker formula bypass actuator structure is complicated, manufacture is difficult, cost is higher, further increase the useful horsepower of turbine output.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of Scroll-tupe volute outlet and air valve rod-type bypass actuator assembly are provided, comprise: volute and be assemblied in the final controlling element on described volute, in described volute, be provided with a waste gas runner and the bleed passage of being located at turbine outlet side, described final controlling element comprises valve stem, valve stem extends to volute outside through volute, valve stem one end of being located at volute outside is fixed with a shell by a support, on valve stem in described shell, be equipped with spring assembly, the valve stem of being located at volute inside is communicated with waste gas runner and bleed passage.
In a preferred embodiment of the present invention, described spring assembly comprises a spring, and described spring one end is supported and is located on support, and the other end is equipped with the spring seat of honour, between the described spring seat of honour and valve stem, is provided with locker.
In a preferred embodiment of the present invention, on described shell, be also equipped with shell end cap.
In a preferred embodiment of the present invention, described bleed passage is annular bleed passage, in described annular bleed passage, is provided with angle, and described angular range is 30 °-60 °.
In a preferred embodiment of the present invention, described waste gas runner is waste gas runner open in usual, and described waste gas runner is waste gas runner open in usual, and described valve stem is for controlling the valve of the uninterrupted of exhaust steam passage open in usual.
In a preferred embodiment of the present invention, described valve stem is to control the unlatching of bleed passage or the valve of closing.
In a preferred embodiment of the present invention, between described support and shell, be fixedly connected by welding.
In a preferred embodiment of the present invention, described final controlling element is air valve rod-type mechanical actuator.
The invention has the beneficial effects as follows: Scroll-tupe volute of the present invention exports and air valve rod-type bypass actuator assembly is simple in structure, reliable, easy to assembly, be convenient to maintenance, can significantly improve the pressurized effect of pressurized machine when low engine speed is moved, improve low engine speed moment of torsion, the excessive problem of supercharging in the time of can effectively avoiding high engine speeds running simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of Scroll-tupe volute outlet of the present invention and one preferred embodiment of air valve rod-type bypass actuator assembly;
Fig. 2 is the sectional view of the outlet of the volute of Scroll-tupe shown in Fig. 1 and air valve rod-type bypass actuator assembly;
Fig. 3 is the structural representation of a running state of the outlet of the volute of Scroll-tupe shown in Fig. 1 and air valve rod-type bypass actuator assembly;
Fig. 4 be the volute of Scroll-tupe shown in Fig. 1 outlet with another running state of air valve rod-type bypass actuator assembly under structural representation;
In accompanying drawing, the mark of each parts is as follows: 1, volute, 2, turbine, 3, final controlling element, 4, angle, 5, valve stem, 6, support, 7, shell, 8, shell end cap, 9, spring, 10, the spring seat of honour, 11, locker, 12, waste gas runner, 13, bleed passage.
Embodiment
Below the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making all other embodiments that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 2, the embodiment of the present invention comprises:
Volute outlet and an air valve rod-type bypass actuator assembly, comprising: volute 1 and be assemblied in the final controlling element 3 on described volute 1, is provided with a waste gas runner 12 and is located at the bleed passage 13 of turbine 2 outlet sides in described volute 1.
This bleed passage 13 is annular bleed passage 13, in described annular bleed passage 13, be provided with angle 4, described angle 4 scopes are 30 °-60 °, and annular bleed passage 13 is placed in again turbine 2 outlet sides, the waste gas of discharging from annular bleed passage 13 like this forms annular airflow volute 1, and namely so-called whirlpool, reduces the static pressure that exports tube hub, thereby the pressure reduction that has strengthened turbine 2 turnover both sides, has improved turbine 2 work doing efficiency.
Described final controlling element 3 is air valve rod-type mechanical actuator.Described final controlling element 3 comprises valve stem 5, valve stem 5 extends to volute 1 outside through volute 1, valve stem 5 one end of being located at volute 1 outside are fixed with a shell 7 by electric arc welding on a support 6, on valve stem 5 in described shell 7, be equipped with spring assembly, on described shell 7, be also equipped with shell end cap 8.
Described spring assembly comprises a spring 9, and described spring 9 one end are supported and are located on support 6, and the other end is equipped with the spring seat of honour 10, between the described spring seat of honour 10 and valve stem 5, is provided with locker 11.
Air valve rod-type mechanical actuator 3 is mainly to make it always in impaction state by the spring seat of honour 10 pressing springs 9, use 2 lockers, 11 locking valve stems 5, the open and close of valve stem 5 are by the stream pressure in waste gas runner 12, whether to surpass spring 9 design elastic force to drive.This final controlling element 3 is simple in structure, be convenient to processing, assembling, easily maintenance.
The valve stem 5 of being located at volute 1 inside is communicated with waste gas runner 12 and bleed passage 13.
Described waste gas runner 12 is waste gas runner open in usual, the unlatching of described valve stem 5 or to close be for regulating the uninterrupted of exhaust steam passage open in usual.
The unlatching of described valve stem 5 or to close be control the unlatching of bleed passage 13 or close.
As shown in Figure 3, motor is in slow-speed of revolution situation, and the exhausted air quantity of discharge is less, and final controlling element 3 medi-spring 9 design elastic force are greater than exhaust gas pressure in waste gas runner 12, valve stem 5 is closed annular bleed passage 13, and waste gas all enters in waste gas runner 12 turbine 2 is done work; Effectively improve the pressurized machine effect of exhaust gas turbine 2 pressurized machines when the motor slow-speed of revolution moves, improve the low speed torque of motor.
As shown in Figure 4, raising along with engine speed, the exhaust gas flow that motor is discharged increases, when in waste gas runner 12, exhaust gas pressure is greater than final controlling element 3 medi-spring 9 design elastic force, valve stem 5 is opened the runner mouth of annular bleed passage 13 gradually, and waste gas enters in annular bleed passage 13 and forms annular airflow.
When engine speed height arrives certain value, valve stem 5 is opened completely, large quantity of exhaust gas enters in ring runner, circularize air-flow out, form whirlpool, the static pressure that exports tube hub is reduced, thereby strengthened the pressure reduction of turbine 2 turnover both sides, turbine 2 work doing efficiency are further enhanced, have effectively utilized waste gas.And the object of bypass still can be accomplished, because because segment fluid flow does not enter turbine 2, turbocharger supercharged excessive problem while effectively avoiding high engine speeds operation.
Scroll-tupe volute of the present invention exports and air valve rod-type bypass actuator assembly is simple in structure, reliable, easy to assembly, be convenient to maintenance, can significantly improve the pressurized effect of pressurized machine when low engine speed is moved, improve low engine speed moment of torsion, the excessive problem of supercharging in the time of can effectively avoiding high engine speeds running simultaneously.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a Scroll-tupe volute exports and air valve rod-type bypass actuator assembly, it is characterized in that, comprise: volute and be assemblied in the final controlling element on described volute, in described volute, be provided with a waste gas runner and the bleed passage of being located at turbine outlet side, described final controlling element comprises valve stem, valve stem extends to volute outside through volute, valve stem one end of being located at volute outside is fixed with a shell by a support, on valve stem in described shell, be equipped with spring assembly, the valve stem of being located at volute inside is communicated with waste gas runner and bleed passage.
2. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, it is characterized in that, described spring assembly comprises a spring, and described spring one end is supported and is located on support, the other end is equipped with the spring seat of honour, between the described spring seat of honour and valve stem, is provided with locker.
3. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, is also equipped with shell end cap on described shell.
4. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, described bleed passage is annular bleed passage, in described annular bleed passage, is provided with angle, and described angular range is 30 °-60 °.
5. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, described waste gas runner is waste gas runner open in usual, and described valve stem is for controlling the valve of the uninterrupted of exhaust steam passage open in usual.
6. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, described valve stem is to control the unlatching of bleed passage or the valve of closing.
7. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, between described support and shell, is fixedly connected by welding.
8. Scroll-tupe volute outlet according to claim 1 and air valve rod-type bypass actuator assembly, is characterized in that, described final controlling element is air valve rod-type mechanical actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548521.6A CN103590892A (en) | 2013-11-08 | 2013-11-08 | Vortex type volute outlet and air valve valve rod type bypass actuator assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548521.6A CN103590892A (en) | 2013-11-08 | 2013-11-08 | Vortex type volute outlet and air valve valve rod type bypass actuator assembly |
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| CN103590892A true CN103590892A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310548521.6A Pending CN103590892A (en) | 2013-11-08 | 2013-11-08 | Vortex type volute outlet and air valve valve rod type bypass actuator assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953400A (en) * | 2014-03-04 | 2014-07-30 | 大同北方天力增压技术有限公司 | Turbine volute structure meeting requirement for containing booster |
| CN106437880A (en) * | 2016-08-31 | 2017-02-22 | 无锡康明斯涡轮增压技术有限公司 | Turbine end structure for turbocharger |
| CN109834428A (en) * | 2017-11-24 | 2019-06-04 | 江苏毅合捷汽车科技股份有限公司 | The volute welding procedure of turbocharger |
-
2013
- 2013-11-08 CN CN201310548521.6A patent/CN103590892A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953400A (en) * | 2014-03-04 | 2014-07-30 | 大同北方天力增压技术有限公司 | Turbine volute structure meeting requirement for containing booster |
| CN106437880A (en) * | 2016-08-31 | 2017-02-22 | 无锡康明斯涡轮增压技术有限公司 | Turbine end structure for turbocharger |
| CN109834428A (en) * | 2017-11-24 | 2019-06-04 | 江苏毅合捷汽车科技股份有限公司 | The volute welding procedure of turbocharger |
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Application publication date: 20140219 |