CN103291469B - Rotary air valve control mechanism - Google Patents
Rotary air valve control mechanism Download PDFInfo
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- CN103291469B CN103291469B CN201310199253.1A CN201310199253A CN103291469B CN 103291469 B CN103291469 B CN 103291469B CN 201310199253 A CN201310199253 A CN 201310199253A CN 103291469 B CN103291469 B CN 103291469B
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Abstract
A kind of rotary air valve control mechanism of technical field of mechanical design, comprise gas compressor, motor, turbine, connecting tube, valve seat, valve body, running shaft, cavity volume, solid of rotation and elastic member, solid of rotation to be arranged in cavity volume and to seal with the internal face of cavity volume and contacts, the lower wall surface of solid of rotation is connected with the lower wall surface of cavity volume by elastic member, the two ends of the first connecting tube are connected with the suction port of engine exhaust pipe, chamber volume respectively, and the two ends of the 3rd connecting tube are connected with the upper wall surface of engine exhaust pipe, cavity volume respectively.When engine exhaust pipe pressure is higher, solid of rotation band moving valve turns clockwise, and the exhaust gas recirculation rate of motor is comparatively large, and motor detonation pressure is lower; When engine exhaust pipe pressure is lower, solid of rotation band moving valve is rotated counterclockwise, and the exhaust gas recirculation rate of motor is less, and engine consumption is lower.The present invention is reasonable in design, and structure is simple, is applicable to the exhaust gas recycling system of supercharged engine.
Description
Technical field
What the present invention relates to is a kind of exhaust gas recycling system, particularly a kind of rotary air valve control mechanism of technical field of mechanical design.
Background technique
The noxious emission of motor is the main source causing pollution of atmosphere, along with the significance of environmental protection problem increases increasingly, reduces the important directions that this target of Engine's Harmful Emission becomes development of engine in the world today.Along with the consumption of world oil goods rises year by year, international oil price remains high, and the Economy of diesel-oil vehicle is outstanding day by day, and this makes diesel engine in power train in vehicle application in occupation of more and more consequence.So carry out the research of Harmful Emissions of Diesel Engine controlling method, it is the top priority of the person that is engaged in Design Technology for Diesels.Exhaust gas recycling system is that the sub-fraction of the waste gas produced by diesel engine sends cylinder back to again.Exhaust gas recirculation will retarded combustion process owing to having inertia, and that is velocity of combustion will slow down thus cause the pressure initiation process in firing chamber to slow down, main cause that oxynitrides can reduce that Here it is.In addition, improve ER EGR Rate and total extraction flow can be made to reduce, therefore total in toxic emission pollutant output quantity will reduce relatively.When middling speed operating mode, motor needs larger exhaust gas recirculation rate, to reduce row's temperature, reduces to pollute; When speed operation, motor needs less exhaust gas recirculation rate, to improve the air inflow of motor.
Through finding the retrieval of prior art document, China Patent No. ZL200410063439.5, patent name: electronic EGR gas control system, this patented technology provides a kind of device controlling engine exhaust recirculation rate, can take into account high speed conditions in motor preferably; But the change of its exhaust gas recirculation rate is realized by special control structure, thus the more complicated that control system is become.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of rotary air valve control mechanism, make its exhaust gas recirculation rate can self-control, take into account the middle and slow speed of revolution operating mode of motor preferably, and structure is simple, does not need special control mechanism.
The present invention is achieved through the following technical solutions, the present invention includes compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, engine exhaust pipe, turbine, turbine exhaust pipe, coupling shaft, first connecting tube, second connecting tube, 3rd connecting tube, valve seat, valve body, running shaft, cavity volume, solid of rotation and elastic member, the air inlet/outlet of gas compressor respectively with the air outlet of compressor air inlet machine pipe, the suction port of engine air inlet tube is connected, the air inlet/outlet of motor respectively with the air outlet of engine air inlet tube, the suction port of engine exhaust pipe is connected, the air inlet/outlet of turbine respectively with the air outlet of engine exhaust pipe, the suction port of turbine exhaust pipe is connected, gas compressor is coaxially connected by coupling shaft with turbine, the upper end of valve seat is with interior threaded hole, the lower end of valve seat is with chamber volume, the upper end of valve body is with outside thread, valve body is arranged in valve seat, the outside thread of valve body upper end and the interior threaded hole of valve seat upper end match, the lower end of valve body is arranged in chamber volume, the wall of cavity volume is all consolidated, the longitudinal section of cavity volume is rectangular, and solid of rotation to be arranged in cavity volume and to seal with the internal face of cavity volume and contacts, cavity volume, the cross section of solid of rotation is equal arc-shaped, the lower wall surface of solid of rotation is connected with the lower wall surface of cavity volume by elastic member, the left wall of cavity volume has a groove, one end of running shaft is consolidated with solid of rotation through after the groove on the left wall of cavity volume, the other end and the valve body upper end of running shaft are consolidated, the two ends of the first connecting tube respectively with engine exhaust pipe, the suction port of chamber volume is connected, the two ends of the second connecting tube respectively with the air outlet of chamber volume, compressor air inlet machine pipe is connected, the two ends of the 3rd connecting tube respectively with engine exhaust pipe, the upper wall surface of cavity volume is connected.
Further, elastic member is spring in the present invention, and the first connecting tube, the 3rd connecting tube are uniform section pipe.
In working procedure of the present invention, solid of rotation can rotate freely in cavity volume, and solid of rotation, running shaft, valve body are consolidated.When engine exhaust overpressure is larger, cavity volume internal pressure above solid of rotation is also larger, rotating body clockwise rotates and pressure elasticity parts, running shaft and valve body also synchronously turn clockwise, throat area between valve body and valve seat becomes large, engine exhaust recirculation rate increases, thus the detonation pressure of motor and maximum combustion temperature are reduced; When engine exhaust overpressure is less, cavity volume internal pressure above solid of rotation is also less, be rotated counterclockwise in the elastic reaction following rotator of elastic member, running shaft and valve body are also synchronously rotated counterclockwise, throat area between valve body and valve seat diminishes, engine exhaust recirculation rate reduces, thus air input of engine by air is increased, and oil consumption reduces.
Compared with prior art, the present invention has following beneficial effect: the present invention is reasonable in design, structure is simple, be applicable to the exhaust gas recycling system with turbosupercharger, the middle and slow speed of revolution operating mode of motor can be taken into account, exhaust gas recycling system can be made again not need special exhaust gas recirculation rate control mechanism.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Fig. 3 is the structural representation of B-B section in Fig. 2;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, engine exhaust pipe, 6, turbine, 7, turbine exhaust pipe, 8, coupling shaft, the 9, first connecting tube, 10, the second connecting tube, the 11, the 3rd connecting tube, 12, valve seat, 13, valve body, 14, chamber volume, 15, running shaft, 16, cavity volume, 17, solid of rotation, 18, elastic member.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
As shown in Figure 1 to Figure 3, the present invention includes compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, engine exhaust pipe 5, turbine 6, turbine exhaust pipe 7, coupling shaft 8, first connecting tube 9, second connecting tube 10, 3rd connecting tube 11, valve seat 12, valve body 13, running shaft 15, cavity volume 16, solid of rotation 17 and elastic member 18, the air inlet/outlet of gas compressor 2 respectively with the air outlet of compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 is connected, the air inlet/outlet of motor 4 respectively with the air outlet of engine air inlet tube 3, the suction port of engine exhaust pipe 5 is connected, the air inlet/outlet of turbine 6 respectively with the air outlet of engine exhaust pipe 5, the suction port of turbine exhaust pipe 7 is connected, gas compressor 2 is coaxially connected by coupling shaft 8 with turbine 6, the upper end of valve seat 12 is with interior threaded hole, the lower end of valve seat 12 is with chamber volume 14, the upper end of valve body 13 is with outside thread, valve body 13 is arranged in valve seat 12, the outside thread of valve body 13 upper end and the interior threaded hole of valve seat 12 upper end match, the lower end of valve body 13 is arranged in chamber volume 14, the wall of cavity volume 16 is all consolidated, the longitudinal section of cavity volume 16 is rectangular, and solid of rotation 17 to be arranged in cavity volume 16 and to seal with the internal face of cavity volume 16 and contacts, cavity volume 16, the cross section of solid of rotation 17 is equal arc-shaped, the lower wall surface of solid of rotation 17 is connected by the lower wall surface of elastic member 18 with cavity volume 16, the left wall of cavity volume 16 has a groove, one end of running shaft 15 is consolidated with solid of rotation 17 through after the groove on the left wall of cavity volume 16, the other end and valve body 13 upper end of running shaft 15 are consolidated, the two ends of the first connecting tube 9 respectively with engine exhaust pipe 5, the suction port of chamber volume 14 is connected, the two ends of the second connecting tube 10 respectively with the air outlet of chamber volume 14, compressor air inlet machine pipe 1 is connected, the two ends of the 3rd connecting tube 11 respectively with engine exhaust pipe 5, the upper wall surface of cavity volume 16 is connected, and elastic member 18 is spring, the first connecting tube 9, 3rd connecting tube 11 is uniform section pipe.
In working procedure of the present invention, solid of rotation 17 can rotate freely in cavity volume 16, and solid of rotation 17, running shaft 15, valve body 13 are consolidated.When engine exhaust pipe 5 internal pressure is larger, cavity volume 16 internal pressure above solid of rotation 17 is also larger, solid of rotation 17 turns clockwise and pressure elasticity parts 18, running shaft 15 and valve body 13 also synchronously turn clockwise, throat area between valve body 13 and valve seat 12 becomes large, engine exhaust recirculation rate increases, thus the detonation pressure of motor and maximum combustion temperature are reduced; When engine exhaust pipe 5 internal pressure is less, cavity volume 16 internal pressure above solid of rotation 17 is also less, be rotated counterclockwise in the elastic reaction following rotator 17 of elastic member 18, running shaft 15 and valve body 13 are also synchronously rotated counterclockwise, throat area between valve body 13 and valve seat 12 diminishes, engine exhaust recirculation rate reduces, thus air input of engine by air is increased, and oil consumption reduces.
Claims (2)
1. a rotary air valve control mechanism, comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), motor (4), engine exhaust pipe (5), turbine (6), turbine exhaust pipe (7) and coupling shaft (8), the air inlet/outlet of gas compressor (2) respectively with the air outlet of compressor air inlet machine pipe (1), the suction port of engine air inlet tube (3) is connected, the air inlet/outlet of motor (4) respectively with the air outlet of engine air inlet tube (3), the suction port of engine exhaust pipe (5) is connected, the air inlet/outlet of turbine (6) respectively with the air outlet of engine exhaust pipe (5), the suction port of turbine exhaust pipe (7) is connected, gas compressor (2) is coaxially connected by coupling shaft (8) with turbine (6), it is characterized in that, also comprise the first connecting tube (9), second connecting tube (10), 3rd connecting tube (11), valve seat (12), valve body (13), running shaft (15), cavity volume (16), solid of rotation (17) and elastic member (18), the upper end of valve seat (12) is with interior threaded hole, the lower end of valve seat (12) is with chamber volume (14), the upper end of valve body (13) is with outside thread, valve body (13) is arranged in valve seat (12), the outside thread of valve body (13) upper end and the interior threaded hole of valve seat (12) upper end match, the lower end of valve body (13) is arranged in chamber volume (14), the wall of cavity volume (16) is all consolidated, the longitudinal section of cavity volume (16) is rectangular, solid of rotation (17) to be arranged in cavity volume (16) and to seal with the internal face of cavity volume (16) and contacts, cavity volume (16), the cross section of solid of rotation (17) is equal arc-shaped, the lower wall surface of solid of rotation (17) is connected by the lower wall surface of elastic member (18) with cavity volume (16), the left wall of cavity volume (16) has a groove, one end of running shaft (15) is consolidated with solid of rotation (17) through after the groove on cavity volume (16) left wall, the other end and valve body (13) upper end of running shaft (15) are consolidated, the two ends of the first connecting tube (9) respectively with engine exhaust pipe (5), the suction port of chamber volume (14) is connected, the two ends of the second connecting tube (10) respectively with the air outlet of chamber volume (14), compressor air inlet machine pipe (1) is connected, the two ends of the 3rd connecting tube (11) respectively with engine exhaust pipe (5), the upper wall surface of cavity volume (16) is connected.
2. rotary air valve control mechanism according to claim 1, is characterized in that, elastic member (18) is spring, and the first connecting tube (9), the 3rd connecting tube (11) are uniform section pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199253.1A CN103291469B (en) | 2013-05-24 | 2013-05-24 | Rotary air valve control mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199253.1A CN103291469B (en) | 2013-05-24 | 2013-05-24 | Rotary air valve control mechanism |
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| CN103291469A CN103291469A (en) | 2013-09-11 |
| CN103291469B true CN103291469B (en) | 2015-10-28 |
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| CN201310199253.1A Active CN103291469B (en) | 2013-05-24 | 2013-05-24 | Rotary air valve control mechanism |
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|---|---|---|---|---|
| CN103291470A (en) * | 2013-05-28 | 2013-09-11 | 上海交通大学 | Pneumatic-control valve lift regulating mechanism |
| CN103291471A (en) * | 2013-05-28 | 2013-09-11 | 上海交通大学 | Air valve throat area control system |
| CN103573432A (en) * | 2013-09-24 | 2014-02-12 | 上海交通大学 | Pressure control type mechanical rotating mechanism |
| CN103541823A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Annular shaft-valve simultaneous rotation system |
| CN103541824A (en) * | 2013-09-24 | 2014-01-29 | 上海交通大学 | Pressure unbalanced type valve body lifting adjusting mechanism |
| CN103557097A (en) * | 2013-09-24 | 2014-02-05 | 上海交通大学 | Mechanical valve body lift control system |
| CN103527350A (en) * | 2013-10-13 | 2014-01-22 | 刘飞 | Rotary type exhaust gas recirculation control system |
| CN103527352A (en) * | 2013-10-13 | 2014-01-22 | 刘洪涛 | Three-component synchronous rotating type exhaust gas flow adjusting system |
| CN103527325A (en) * | 2013-10-13 | 2014-01-22 | 刘飞 | Rotary distance adjustment system for valve body and valve seat |
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| CN106050403A (en) * | 2015-07-24 | 2016-10-26 | 朱海燕 | Exhaust gas turbocharging auxiliary device and automobile adopting same |
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| CN108412642A (en) * | 2015-07-24 | 2018-08-17 | 朱保生 | Petrol engine with exhaust gas turbocharge auxiliary device and grass trimmer |
| CN106014609B (en) * | 2015-07-24 | 2021-11-09 | 李雯雯 | Engineering truck adopting exhaust gas turbocharging auxiliary device |
| CN106703975A (en) * | 2015-07-24 | 2017-05-24 | 苏州金威特工具有限公司 | Mower |
| CN106358602A (en) * | 2015-07-24 | 2017-02-01 | 苏州金威特工具有限公司 | Working method of mower with exhaust gas turbocharging uxiliary device |
| CN106368797A (en) * | 2015-07-24 | 2017-02-01 | 苏州金威特工具有限公司 | Lawn mower with exhaust gas turbo-charging auxiliary device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101072940A (en) * | 2004-12-07 | 2007-11-14 | 三菱扶桑卡客车株式会社 | Motor type poppet valve and EGR device of internal combustion engine using the motor type poppet valve |
| CN102767449A (en) * | 2012-07-31 | 2012-11-07 | 上海交通大学 | Cross gas intake and exhaust system |
| CN102808699A (en) * | 2012-08-09 | 2012-12-05 | 上海交通大学 | Disconnecting and connecting shifter for two gas circuits |
| CN202832807U (en) * | 2012-09-19 | 2013-03-27 | 上海交通大学 | Return circuit feedback type machine regulating system |
| CN103089410A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Rotation control type pipeline reducing rate variable device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3783319B2 (en) * | 1997-03-21 | 2006-06-07 | いすゞ自動車株式会社 | EGR device for diesel engine |
| JP3796102B2 (en) * | 2000-07-10 | 2006-07-12 | 日野自動車株式会社 | EGR device |
| JP3850017B2 (en) * | 2001-10-09 | 2006-11-29 | 日野自動車株式会社 | EGR device |
-
2013
- 2013-05-24 CN CN201310199253.1A patent/CN103291469B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101072940A (en) * | 2004-12-07 | 2007-11-14 | 三菱扶桑卡客车株式会社 | Motor type poppet valve and EGR device of internal combustion engine using the motor type poppet valve |
| CN102767449A (en) * | 2012-07-31 | 2012-11-07 | 上海交通大学 | Cross gas intake and exhaust system |
| CN102808699A (en) * | 2012-08-09 | 2012-12-05 | 上海交通大学 | Disconnecting and connecting shifter for two gas circuits |
| CN202832807U (en) * | 2012-09-19 | 2013-03-27 | 上海交通大学 | Return circuit feedback type machine regulating system |
| CN103089410A (en) * | 2013-01-15 | 2013-05-08 | 上海交通大学 | Rotation control type pipeline reducing rate variable device |
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