CN102817701A - Mechanical device of taking turbine frontal pressure as control pressure - Google Patents
Mechanical device of taking turbine frontal pressure as control pressure Download PDFInfo
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- CN102817701A CN102817701A CN201210299862XA CN201210299862A CN102817701A CN 102817701 A CN102817701 A CN 102817701A CN 201210299862X A CN201210299862X A CN 201210299862XA CN 201210299862 A CN201210299862 A CN 201210299862A CN 102817701 A CN102817701 A CN 102817701A
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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
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a mechanical device of taking a turbine frontal pressure as a control pressure. The mechanical device comprises a compressor, a turbine, an engine, connection pipes, a volume chamber, a mobile body, a penetration pipe and an elastic component, two ends of a first connection pipe are respectively communicated with an engine air inlet pipe and a lower wall surface of the volume chamber, two ends of a third connection pipe are respectively communicated with a right wall surface of the volume chamber and an engine exhaust pipe, and the penetration pipe penetrates through an upper wall and a lower wall of the mobile body. During the working process of the engine, the mobile body can move leftward and rightward in the volume chamber; in a low speed working condition, the pressure on a right side of the mobile body is lower, the mobile body moves rightward, the first connection pipe can not be communicated with the second connection pipe, the air inflow of the engine is correspondingly increased, and the power is increased; and in a high speed working condition, the pressure on the right side of the mobile body is higher, the mobile body moves leftward, the first connection pipe is communicated with the second connection pipe, the air inflow of the engine is correspondingly decreased, and a bursting pressure of each cylinder is reduced. The mechanical device is reasonable in design and simple in structure, and is suitable for a turbine pressurization system of the engine.
Description
Technical field
What the present invention relates to is a kind of gas handling system of field of internal combustion engine, and particularly the preceding pressure of supercharged engine turbine is as the mechanical device of pilot pressure.
Background technique
Along with development of modern society, people require increasingly high to the power character and the Economy of motor.Under the certain situation of discharge capacity, want to improve the output power of motor, effective method just provides more fuel and burns.Provide more fuel to be easy to accomplish through oil nozzle to cylinder, yet the air quantity that is complementary with the fuel quantity that increases will be provided simultaneously, but do not accomplish so easily; Fuel burns under the prerequisite of air quantity deficiency, and firing effect is relatively poor.Certain when fuel injection quantity, when cylinder intake air quantity was big, then burning was better, and oil consumption is lower with discharging.The degree of vacuum that traditional naturally aspirated engine forms in cylinder when relying on piston to move downward fully sucks air, and the air that this traditional mode is difficult to q.s is provided is to support the perfect combustion of fuel.Therefore, the burning that is intended for motor provides enough air, makes the power character and the better economy of motor, and turbocharging technology is being played the part of very important role.But existing turbo charge system all can not be taken into account the low speed operating mode and the high-speed working condition of motor preferably.
Retrieval through to the existing technology document is found; Chinese patent ZL200410050996.3; Patent name: the variable modular pulse converter supercharging device of a kind of turbo-charged diesel; This patented technology provides the device of the shared volume continuous variable of exhaust in a kind of outlet pipe, can take into account the high-speed working condition and the low speed operating mode of motor preferably; But the variation of exhaust institute volume is to realize through moving up and down of movement rod in its outlet pipe; This just needs to increase the special control mechanism of a cover and controls moving of movement rod; Thereby the more complicated that the pressurization system structure is become, and the sealing of its exhaust piping is also relatively poor under high-temperature condition.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology, the mechanical device of the preceding pressure of a kind of turbine as pilot pressure is provided, can take into account the high-speed working condition and the low speed operating mode of motor preferably.
The present invention realizes through following technological scheme; The present invention includes: compressor air inlet machine pipe, gas compressor, engine air inlet tube, coupling shaft, engine exhaust pipe, turbine, turbine steam outlet pipe, motor, first connecting tube, second connecting tube, the 3rd connecting tube, cavity volume, cavity volume upper wall surface, cavity volume lower wall surface, cavity volume left side wall, cavity volume right wall, cavity volume front face, cavity volume rear surface, moving body, run through pipe and elastic member; Gas compressor links to each other through coupling shaft is coaxial with turbine; The air inlet/outlet of gas compressor is connected with the air outlet of compressor air inlet machine pipe, the suction port of engine air inlet tube respectively; The air inlet/outlet of turbine is connected with the air outlet of engine exhaust pipe, the suction port of turbine steam outlet pipe respectively; The air inlet/outlet of motor is connected with the air outlet of engine air inlet tube, the suction port of engine exhaust pipe respectively; The cross section of cavity volume is a rectangular; Cavity volume upper wall surface, cavity volume lower wall surface, cavity volume left side wall, cavity volume right wall, cavity volume front face, the cavity volume rear surface is fixed is one; Moving body is installed in the cavity volume and with the internal face sealing of cavity volume and contacts, and the two ends of first connecting tube are connected with engine air inlet tube, cavity volume lower wall surface respectively, and an end of second connecting tube is connected with the cavity volume upper wall surface; The other end of second connecting tube leads to atmosphere; The two ends of the 3rd connecting tube are connected with the right wall of cavity volume, engine exhaust pipe respectively, run through two walls up and down that pipe runs through moving body, and the right wall of moving body is connected through the right wall of elastic member and cavity volume.
Further; In the present invention, elastic member is a spring, first connecting tube, second connecting tube, run through the pipe be straight pipe and internal diameter identical; The dead in line of the axis of first connecting tube and second connecting tube, the axis of first connecting tube and the axis that runs through pipe are at grade.
In working procedure of the present invention, moving body can be in cavity volume move left and right, an end of second connecting tube leads to atmosphere.In the low speed operating mode, the cavity volume internal pressure on moving body right side is lower, under the effect of elastic member; Moving body moves right, and first connecting tube and second connecting tube can not be connected, and the pressurized air behind the gas compressor all gets into motor; Thereby air input of engine by air is increased relatively, and power rises; At high-speed working condition, the cavity volume internal pressure on moving body right side is higher, and moving body is moved to the left and the tensile elasticity parts; First connecting tube and second connecting tube are connected; Some flows into atmosphere pressurized air behind the gas compressor, thereby air input of engine by air is reduced relatively, and each cylinder detonation pressure reduces.
Compared with prior art, the present invention has following beneficial effect: the present invention can make motor charge flow rate when the low speed operating mode increase relatively, and power rises; When high-speed working condition, charge flow rate reduces relatively, and each cylinder detonation pressure reduces; And the volume cavity temperature is lower, and the sealing problem between shifting board and the cavity volume also solves easily.
Description of drawings
Fig. 1 is the structural representation of pressure before the turbine of the present invention as the mechanical device of pilot pressure;
Fig. 2 is the structural representation of A-A section among Fig. 1;
Wherein: 1, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, coupling shaft, 5, engine exhaust pipe, 6, turbine; 7, turbine steam outlet pipe, 8, motor, 9, first connecting tube, 10, second connecting tube, the 11, the 3rd connecting tube; 12, cavity volume, 13, the cavity volume upper wall surface, 14, the cavity volume lower wall surface, 15, cavity volume left side wall, 16, the right wall of cavity volume; 17, cavity volume front face, 18, the cavity volume rear surface, 19, moving body, 20, run through pipe, 21, elastic member.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment is a prerequisite with technological scheme of the present invention, provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As depicted in figs. 1 and 2; The present invention includes: comprise compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, coupling shaft 4, engine exhaust pipe 5, turbine 6, turbine steam outlet pipe 7, motor 8, first connecting tube 9, second connecting tube 10, the 3rd connecting tube 11, cavity volume 12, cavity volume upper wall surface 13, cavity volume lower wall surface 14, cavity volume left side wall 15, cavity volume right wall 16, cavity volume front face 17, cavity volume rear surface 18, moving body 19, run through pipe 20 and elastic member 21; Gas compressor 2 and turbine 6 are through 4 coaxial linking to each other of coupling shaft; The air inlet/outlet of gas compressor 2 is connected with the air outlet of compressor air inlet machine pipe 1, the suction port of engine air inlet tube 3 respectively; The air inlet/outlet of turbine 6 is connected with the air outlet of engine exhaust pipe 5, the suction port of turbine steam outlet pipe 7 respectively; The air inlet/outlet of motor 8 is connected with the air outlet of engine air inlet tube 3, the suction port of engine exhaust pipe 5 respectively; The cross section of cavity volume 12 is a rectangular; Cavity volume upper wall surface 13, cavity volume lower wall surface 14, cavity volume left side wall 15, the right wall 16 of cavity volume, cavity volume front face 17, cavity volume rear surface 18 are fixed to be one; Moving body 19 is installed in the cavity volume 12 and with the internal face sealing of cavity volume 12 and contacts, and the two ends of first connecting tube 9 are connected with engine air inlet tube 3, cavity volume lower wall surface 14 respectively, and an end of second connecting tube 10 is connected with cavity volume upper wall surface 13; The other end of second connecting tube 10 leads to atmosphere; The two ends of the 3rd connecting tube 11 are connected with the right wall 16 of cavity volume, engine exhaust pipe 5 respectively, run through two walls up and down that pipe 20 runs through moving body 19, and the right wall of moving body 19 is connected through the right wall 16 of elastic member 21 and cavity volume; Elastic member 21 is a spring; First connecting tube 9, second connecting tube 10, run through that pipe 20 is straight pipe and internal diameter is identical, the dead in line of the axis of first connecting tube 9 and second connecting tube 10, the axis of first connecting tube 9 is managed 20 axis at grade with running through.
In working procedure of the present invention, moving body 19 can be in cavity volume 12 move left and right, an end of second connecting tube 10 leads to atmosphere.In the low speed operating mode; The cavity volume internal pressure on moving body 12 right sides is lower, and under the effect of elastic member 21, moving body 12 moves right; First connecting tube 9 and second connecting tube 10 can not be connected; Pressurized air behind the gas compressor all gets into motor 8, thereby motor 8 air inflows are increased relatively, and power rises; At high-speed working condition; The cavity volume internal pressure on moving body 12 right sides is higher; Moving body 12 is moved to the left and tensile elasticity parts 21, the first connecting tubes 9 and second connecting tube 10 are connected, some inflow atmosphere of the pressurized air behind the gas compressor; Thereby motor 8 air inflows are reduced relatively, and each cylinder detonation pressure reduces.Therefore, the present invention can take into account the low speed operating mode and the high-speed working condition of motor preferably.
Claims (2)
- Before the turbine pressure as the mechanical device of pilot pressure; Comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), coupling shaft (4), engine exhaust pipe (5), turbine (6), turbine steam outlet pipe (7) and motor (8); Gas compressor (2) and turbine (6) are through coaxial linking to each other of coupling shaft (4); The air inlet/outlet of gas compressor (2) is connected with the air outlet of compressor air inlet machine pipe (1), the suction port of engine air inlet tube (3) respectively; The air inlet/outlet of turbine (6) is connected with the air outlet of engine exhaust pipe (5), the suction port of turbine steam outlet pipe (7) respectively; The air inlet/outlet of motor (8) is connected with the air outlet of engine air inlet tube (3), the suction port of engine exhaust pipe (5) respectively; It is characterized in that also comprising first connecting tube (9), second connecting tube (10), the 3rd connecting tube (11), cavity volume (12), cavity volume upper wall surface (13), cavity volume lower wall surface (14), cavity volume left side wall (15), cavity volume right wall (16), cavity volume front face (17), cavity volume rear surface (18), moving body (19), run through pipe (20) and elastic member (21); The cross section of cavity volume (12) is a rectangular; Cavity volume upper wall surface (13), cavity volume lower wall surface (14), cavity volume left side wall (15), cavity volume right wall (16), cavity volume front face (17), cavity volume rear surface (18) is fixed is one; Moving body (19) is installed in the cavity volume (12) and with the internal face sealing of cavity volume (12) and contacts; The two ends of first connecting tube (9) are connected with engine air inlet tube (3), cavity volume lower wall surface (14) respectively; One end of second connecting tube (10) is connected with cavity volume upper wall surface (13); The other end of second connecting tube (10) leads to atmosphere; The two ends of the 3rd connecting tube (11) are connected with the right wall (16) of cavity volume, engine exhaust pipe (5) respectively, run through two walls up and down that pipe (20) runs through moving body (19), and the right wall of moving body (19) is connected with the right wall of cavity volume (16) through elastic member (21).
- 2. pressure is as the mechanical device of pilot pressure before the turbine according to claim 1; It is characterized in that said elastic member (21) is a spring; Said first connecting tube (9), second connecting tube (10), run through that pipe (20) is straight pipe and internal diameter is identical; The dead in line of the axis of first connecting tube (9) and second connecting tube (10), the axis of first connecting tube (9) and the axis that runs through pipe (20) are at grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299862XA CN102817701A (en) | 2012-08-21 | 2012-08-21 | Mechanical device of taking turbine frontal pressure as control pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299862XA CN102817701A (en) | 2012-08-21 | 2012-08-21 | Mechanical device of taking turbine frontal pressure as control pressure |
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| Publication Number | Publication Date |
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| CN102817701A true CN102817701A (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210299862XA Pending CN102817701A (en) | 2012-08-21 | 2012-08-21 | Mechanical device of taking turbine frontal pressure as control pressure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114074U (en) * | 1991-09-19 | 1992-08-26 | 铁道部大连机车车辆工厂 | Surge-proof valve for turbosuperchargers |
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| JP2006283677A (en) * | 2005-03-31 | 2006-10-19 | Yamada Seisakusho Co Ltd | Flow passage changeover valve |
| CN2924201Y (en) * | 2006-05-30 | 2007-07-18 | 宝山钢铁股份有限公司 | Automatic cutoff and pressure release plunger valve for pressure meter |
| CN101403442A (en) * | 2007-12-27 | 2009-04-08 | 奇瑞汽车股份有限公司 | Valve and system used for turbosupercharger recirculation |
| DE102010060882A1 (en) * | 2010-09-29 | 2012-03-29 | Hyundai Motor Co. | Turbocharger with pressure surge preventing valve |
-
2012
- 2012-08-21 CN CN201210299862XA patent/CN102817701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114074U (en) * | 1991-09-19 | 1992-08-26 | 铁道部大连机车车辆工厂 | Surge-proof valve for turbosuperchargers |
| US6295814B1 (en) * | 1997-04-23 | 2001-10-02 | Daimlerchrysler Ag | Internal-combustion engine with an exhaust gas turbocharger |
| JP2006283677A (en) * | 2005-03-31 | 2006-10-19 | Yamada Seisakusho Co Ltd | Flow passage changeover valve |
| CN2924201Y (en) * | 2006-05-30 | 2007-07-18 | 宝山钢铁股份有限公司 | Automatic cutoff and pressure release plunger valve for pressure meter |
| CN101403442A (en) * | 2007-12-27 | 2009-04-08 | 奇瑞汽车股份有限公司 | Valve and system used for turbosupercharger recirculation |
| DE102010060882A1 (en) * | 2010-09-29 | 2012-03-29 | Hyundai Motor Co. | Turbocharger with pressure surge preventing valve |
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Application publication date: 20121212 |