CN104454130A - Combustor with mechanical device - Google Patents
Combustor with mechanical device Download PDFInfo
- Publication number
- CN104454130A CN104454130A CN201410558003.7A CN201410558003A CN104454130A CN 104454130 A CN104454130 A CN 104454130A CN 201410558003 A CN201410558003 A CN 201410558003A CN 104454130 A CN104454130 A CN 104454130A
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- China
- Prior art keywords
- piston
- moving body
- combustor
- volume
- cylinder
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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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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention belongs to the technical field of internal combustion engines and provides a combustor with a mechanical device. The combustor comprises an air cylinder, a cylinder cover, a piston, a piston ring, a connecting rod, a volume cavity, a spring, moving bodies and a through hole. The volume cavity is formed in the piston, and the first moving body and the second moving body are arranged in the volume cavity. The left end of the volume cavity is communicated with the top of the piston through a first through pipe, and the right end of the volume cavity is communicated with the top of the piston through a second through pipe. Under the high-speed working condition, when the highest combustion pressure of the pressure in the combustor is high, the first moving body moves rightwards, the second moving body moves leftwards, and the volume of the combustor become larger. Under the low-speed working condition, when the highest combustion pressure of the pressure in the combustor is low, the first moving body moves leftwards, the second moving body moves rightwards, and the volume of the combustor becomes smaller. The combustor is reasonable in structure, simple in design and suitable for optimized design of engine pistons.
Description
Technical field
The invention belongs to the compression ratio design apparatus of technical field of internal combustion engines, specifically, is a kind of firing chamber with mechanical device.
Background technique
Compression ratio refers to that engine mixed gas body is by the degree compressed, with the ratio of the volume of cylinder (i.e. combustion chamber volume) after the cylinder total volume before compression and compression.At present, so-called ' the Reciprocating engine of overwhelming majority automobile employing ', simply, be exactly in cylinder, a piston is had to do straight reciprocating motion again and again, and always circulating endlessly, so the movement travel scope of going round and beginning again at this and having it certain among continual working stroke.With regard to certain cylinder of motor, when the stroke of piston arrives minimum point, location point now is just called lower dead center, it is range volume that whole cylinder comprises the volume that firing chamber formed, when piston reverses direction motion, when arriving peak position, this location point is just called top dead center, the volume formed is the minimum situation of whole piston movement swept volume, and the compression ratio that need calculate is exactly the ratio of this range volume and minimum volume.The object of variable compression ratio is the fuel economy improving supercharged engine.In supercharged engine, in order to prevent pinking, its compression ratio is lower than naturally aspirated engine.When low pressure, the thermal efficiency reduces. and fuel economy is declined.Special in turbosupercharged engine due to supercharging level rise slowly under low compression ratio condition moment of torsion rise also very slow. form so-called turbo lag phenomenon.That is, motor is when low speed, and pressurization is delayed, wait until motor accelerate to certain rotating speed after pressurization system just play a role.In order to address this problem, variable compression ratio is important method.In other words. make compression ratio bring up to identical with naturally aspirated engine compression ratio or exceed at the running on the lower load of low pressure: on the other hand. suitably reduce compression ratio under the high load operating mode in high pressure-charging.In other words, along with the change of load regulates compression ratio continuously. the thermal efficiency can be improved from low-load in high whole condition range.But the compression ratio of available engine is immutable, because combustion chamber volume and displacement are all fixing parameters, reserve in the design.
Through existing literature search, find that number of patent application is 20092014360.5, name is called a kind of patented technology changing the mechanism of engine compression ratio, a kind of mechanism of variable compression ratio is proposed, make combustion efficiency higher, but what its compression ratio change needs were artificial goes to control, and can not regulate by teaching display stand.
Summary of the invention
The present invention is directed to above-mentioned deficiency, provide a kind of firing chamber with mechanical device, the compression ratio of motor can self-control.
The present invention is achieved through the following technical solutions, the present invention includes cylinder, cylinder cap, piston, first piston ring, second piston ring, connecting rod, cavity volume, first penetration hole, second runs through pipe, first moving body, second moving body, spring, cylinder cap is arranged in the upper end of cylinder, piston is arranged in cylinder, cylinder, cylinder cap, piston forms firing chamber together, first piston ring, second piston ring is arranged in the top of piston, connecting rod and piston link together, cavity volume is arranged in the inside of piston, first moving body, second moving body is arranged in cavity volume, the left end of cavity volume runs through pipe by first and is connected with the top of piston, the right-hand member of cavity volume runs through pipe by second and is connected with the top of piston, the right side of the first moving body is connected by the left side of spring with the second moving body.
Further, the cross section of the first moving body, the second moving body is rectangular in the present invention.
The invention has the beneficial effects as follows: the present invention is reasonable in design, structure is simple, and under different engine speed, the compression ratio of motor is variable, and the combustion efficiency of each operating mode motor is all higher.
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. 1;
Label in accompanying drawing is respectively: 1, cylinder, and 2, cylinder cap, 3, piston, 4, first piston ring, the 5, second piston ring, 6, connecting rod, 7, cavity volume, the 8, first penetration hole, 9, second runs through pipe, the 10, first moving body, the 11, second moving body, and 12, spring.
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
Embodiments of the invention as shown in Figure 1 to Figure 3, the present invention includes cylinder 1, cylinder cap 2, piston 3, first piston ring 4, second piston ring 5, connecting rod 6, cavity volume 7, first penetration hole 8, second runs through pipe 9, first moving body 10, second moving body 11, spring 12, cylinder cap 2 is arranged in the upper end of cylinder 1, piston 3 is arranged in cylinder 1, cylinder 1, cylinder cap 2, piston 3 forms firing chamber together, first piston ring 4, second piston ring 5 is arranged in the top of piston 3, connecting rod 6 and piston 3 link together, cavity volume 7 is arranged in the inside of piston 3, first moving body 10, second moving body 11 is arranged in cavity volume 7, the left end of cavity volume 7 runs through pipe 8 by first and is connected with the top of piston 3, the right-hand member of cavity volume 7 runs through pipe 9 by second and is connected with the top of piston 3, the right side of the first moving body 10 is connected by the left side of spring 12 with the second moving body 11, first moving body 10, the cross section of the second moving body 11 is rectangular.
In implementation process of the present invention, the first moving body 10, second moving body 11 all can move left and right in cavity volume 7.When the rotating speed of motor is higher, when firing chamber maximum combustion pressure is larger, the first moving body 10, second moving body 11 moves in opposite directions and distinguishes Compress Spring 12, then engine chamber becomes large, compression ratio diminishes, and the knocking tends of motor diminishes; When the rotating speed of motor is lower, when firing chamber maximum combustion pressure is less, under the elastic reaction of spring 12, the first moving body 10, second moving body 11 moves dorsad, then engine chamber diminishes, compression ratio becomes large, and the combustion efficiency of motor is higher.
Claims (2)
1., with a firing chamber for mechanical device, comprise cylinder (1), cylinder cap (2), piston (3), first piston ring (4), second piston ring (5) and connecting rod (6), cylinder cap (2) is arranged in the upper end of cylinder (1), and piston (3) is arranged in cylinder (1), cylinder (1), cylinder cap (2), piston (3) forms firing chamber together, first piston ring (4), second piston ring (5) is arranged in the top of piston (3), and connecting rod (6) and piston (3) link together, and it is characterized in that, also comprise cavity volume (7), first penetration hole (8), second runs through pipe (9), first moving body (10), second moving body (11), spring (12), cavity volume (7) is arranged in the inside of piston (3), the first moving body (10), second moving body (11) is arranged in cavity volume (7), the left end of cavity volume (7) runs through pipe (8) by first and is connected with the top of piston (3), the right-hand member of cavity volume (7) runs through pipe (9) by second and is connected with the top of piston (3), and the right side of the first moving body (10) is connected by the left side of spring (12) with the second moving body (11).
2. the firing chamber with mechanical device according to claim 1, is characterized in that, the cross section of the first moving body (10), the second moving body (11) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558003.7A CN104454130A (en) | 2014-10-20 | 2014-10-20 | Combustor with mechanical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558003.7A CN104454130A (en) | 2014-10-20 | 2014-10-20 | Combustor with mechanical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454130A true CN104454130A (en) | 2015-03-25 |
Family
ID=52900788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410558003.7A Pending CN104454130A (en) | 2014-10-20 | 2014-10-20 | Combustor with mechanical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454130A (en) |
-
2014
- 2014-10-20 CN CN201410558003.7A patent/CN104454130A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |