CN103470394A - Multichannel input piston - Google Patents

Multichannel input piston Download PDF

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Publication number
CN103470394A
CN103470394A CN2013103804630A CN201310380463A CN103470394A CN 103470394 A CN103470394 A CN 103470394A CN 2013103804630 A CN2013103804630 A CN 2013103804630A CN 201310380463 A CN201310380463 A CN 201310380463A CN 103470394 A CN103470394 A CN 103470394A
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pit
piston
guide channel
flow
multichannel input
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邓国峰
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Individual
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Abstract

The invention belongs to the field of piston type internal combustion engines, relates to pistons used in power devices, and particularly relates to a multichannel input piston matched with a piston ring and an air cylinder sleeve. The piston comprises a piston skirt, a piston pin, a piston ring groove and a piston top. A main combustion chamber of the piston top is provided with at least two guide passages and one or at least two pits. The pits and the guide passages jointly form the movement wall faces of the main combustion chamber. When the multichannel input piston is loaded in an engine, the guide passages are correspondingly communicated with passages of inserts of auxiliary combustion chambers of at least two fuel spraying systems. In coordination with combustion chamber multi-point spraying, multi-channel transmission of the main combustion chamber is realized, oil-gas movement paths are organized effectively and optimally, oil-gas mixing conditions are improved greatly, combustion organization and flame transmission are facilitated, heat load of oil nozzles can be lowered greatly, economic and power performance are increased, and energy conservation and emission reduction are achieved.

Description

The multichannel input piston
Technical field
The invention belongs to the internal-combustion piston engine field, relate to the piston used in carrier vehicle, boats and ships, engineering, agriculture and forestry machinery equal power device, be specifically related to the multichannel input piston be used in conjunction with piston ring, cylinder liner.
Background technique
Piston reciprocating internal combustion engine is through the development in century more than one, and its performance index are improved largely, however, energy-saving and emission-reduction still appoint be so the internal-combustion engine industry be the task of top priority.
Existing burning chamber of diesel engine divides: the large class of direct injection chamber and indirect injection formula firing chamber two.Precombustion chamber, vortex chamber belong to the indirect injection mode, its firing chamber is comprised of major and minor two-part, and wherein: subsidiary combustion chamber also claims vortex chamber, is arranged in cylinder cover for diesel engine, main combustion chamber is arranged at piston head, the spatial composing surrounded by the pit on piston top and cylinder head bottom surface.Usually, the main combustion chamber of swirl chamber diesel adopts " two whirlpools type pit " structure, " shovel hits the type pit " or other " wedge shape " structure.The main combustion chamber of piston head determines combustion efficiency largely, thereby directly has influence on power, economic performance and the discharge of motor, so piston is one of the key components and parts that affects the performance of internal-combustion engine.
Piston bears high temperature, high pressure, at a high speed in cylinder in working procedure, its operating conditions is very severe, improves the piston structure pattern, and the chamber structure pattern, to improve piston technique, lightweight etc. be operative orientation.
[patent documentation 1] notice of authorization number: CN2793353Y, a kind of energy-saving piston of vortex diesel engine;
[patent documentation 2] publication number: CN101550887A, a kind of burning chamber of diesel engine;
[patent documentation 3] application number: 93108540.3, divided chamber type diesel engine;
[patent documentation 4] notice of authorization number: CN256472Y, vortex diesel engine piston;
[patent documentation 5] application publication number: CN102251845A, a kind of combustion system of vortex diesel engine;
[patent documentation 6] application publication number: CN103195603A, a kind of diesel engine with vortex chamber.
Above patented technology has certain general character, the combustion system be comprised of the main combustion chamber of single oil nozzle, single Divided combustion chamber (vortex chamber) and piston head.Above-mentioned patent, by improving major and minor chamber structure etc., is organized air motion effectively, has improved to a certain extent air and fuel oil mixing uniformity, has improved combustion position, has improved engine power performance, Economy and emission performance.But due to the restriction that is subject to major and minor bags layout, be that the subsidiary combustion chamber of prior art arranges that usually near being positioned at cylinder centerline periphery far away certain determines position, the fuel particles of being sprayed out by oil nozzle (molecule) passes through certain distance, but still need to arrive zone far away with air motion, because air flow path is different in size, cause, cause oil, gas to mix inhomogeneous, thereby affect combustion efficiency, affect power, economic performance, the emission performance of motor.
Therefore, provide a kind of simple in structure, good manufacturability, the thermal efficiency is high, reliability is high, the multichannel input piston of energy-conserving and environment-protective, have than vast potential for future development.
Summary of the invention
The deficiency existed based on prior art, the invention provides a kind of multichannel input piston, purpose is: the motor tissue state that improves piston head burning indoor air flow, make the even as much as possible of indoor oil, gas that burn, the process that is conducive to burning is carried out, and improves the thermal efficiency, improves engine performance and functional reliability.
The present invention is achieved through the following technical solutions, and comprising:
Swirl chamber diesel engine, comprise: cylinder head, cylinder liner, piston etc., be provided with vortex chamber's (subsidiary combustion chamber) in cylinder head, top, vortex chamber is equipped with oil nozzle, bottom studs with inserts, major and minor firing chamber connects by the passage on inserting, and cylinder head, cylinder and piston are encircled into a main combustion chamber, the wall that piston-top surface is main combustion chamber.The single working cylinder of swirl chamber diesel engine of the present invention comprises: two covers and above fuel injection system are set, comprise in more detail: one or one are provided with other parts such as the multichannel input piston of main combustion chamber and oil pipe with last high-pressure injection pump, two and plural oil nozzle, two and plural subsidiary combustion chamber (vortex chamber or precombustion chamber), top.Consider the product cost factor, can arrange by a high-pressure injection pump and drive two oil nozzles.
1, the multichannel input piston comprises: piston skirt, wrist pin section, piston ring slot part, piston head, and the main combustion chamber of described piston head is provided with two or more guide channels, is provided with one or two or plural pit; Pit and guide channel form the wall of a motion of main combustion chamber jointly, and in the time of within the multichannel input piston is packed motor into, guide channel is connected with the passage on the inserting of the subsidiary combustion chamber of corresponding two or more fuel injection systems respectively.
2, the described main combustion chamber that is arranged at the piston head of multichannel input piston, along the piston middle spindle line, overlook, visible main combustion chamber is divided into two or more parts, each part is provided with air flow guiding passage and pit separately, can partly be communicated with or separate by ridge area between pit and pit, the shape of pit and quantity can determine according to inlet and outlet door quantity, also can independently arrange, the quantity of air flow guiding passage and shape, according to the quantity that vortex chamber is set and location positioning, arrange two or more air flow guiding passages usually.
3, the guide channel shape of described multichannel input piston can be gradual shrinkage or flaring type or uniform section type, circumscribed upwards or on marginal other position upwards or away from the piston middle spindle line of the inscribe of close piston middle spindle line that its position on piston head can be positioned at respective dimple, and pass through and be communicated with mutually with corresponding pit, relative position between pit, between passage is unfettered, definite by optimizing.
4, the pit shape of described multichannel input piston can be that regular disk-like shape or shallow pot shape or shovel hit type or other irregular bottom surface be comprised of curve and line segment Boolean calculation after stretching along piston axis and ask poor formed pit, guide channel is communicated with in a certain position with corresponding pit, and bottom surface can be plane or consist of plane crossing more than two.
5, the pit shape of described multichannel input piston can be that regular disk-like shape or shallow pot shape or shovel hit type or other irregular bottom surface be comprised of curve and line segment Boolean calculation after stretching along piston axis and ask poor formed pit, guide channel is communicated with in a certain position with corresponding pit, and bottom surface can be that curved surface forms.
6, the pit of described multichannel input piston, its bottom surface consisted of one or more intersecting planes can become any suitable angle with the piston axis direction, can be right angle or obtuse angle or acute angle.
7, the pit of described multichannel input piston, the normal direction projection plane of the bottom surface that it consists of curved surface can become any suitable angle with the piston axis direction, can be right angle or obtuse angle or acute angle.
8, the axial internal face of the pit of described multichannel input piston can be parallel with the axis of piston or becomes obtuse angle or acutangulate, orthogonal or the trapezoid shaped of section of its axis by piston or other figure be comprised of curve and line segment, the section of pit presents enlarging shape or reducing shape or uniform section shape.
[beneficial effect of the present invention]
Separated type (vortex chamber) diesel combustion carries out at twice, and detonation pressure is low, works soft.Have discharge well, the advantage such as good dynamic property, but have the shortcoming that oil consumption is high, startability is poor.The present invention, by the oil that improves of piston head main combustion chamber structure, the condition that gas mixes, is conducive to tissue and the flame propagation of burning, simultaneously, but the heat load of decrease oil nozzle, improve reliability, Economy and power performance, reach effect energy-conservation, that reduce discharging.
The accompanying drawing explanation
Claims are not limited to illustrated example, but can recognize preferably All aspects of by the discussion to various examples.Referring to accompanying drawing, at length show illustrative embodiment.Although all figure have presented embodiment, figure may not draw in proportion.It is detailed that described embodiment is not intended to, and is not restricted to or is constrained in shown in figure and the precise forms disclosed in following mode of execution and configuration.By referring to following all figure, describing example embodiment of the present invention in detail:
Fig. 1 is existing two whirlpools type pit piston stereograms;
Fig. 2 is existing two whirlpools type pit piston plan views;
Fig. 3 is existing two whirlpools type pit piston A-A sectional views;
Fig. 4 is that existing shovel hits type pit piston stereogram;
Fig. 5 is that existing shovel hits type pit piston plan view;
Fig. 6 is that existing shovel hits type pit piston B-B sectional view;
Fig. 7 is first embodiment of the invention multichannel input piston stereogram;
Fig. 8 is first embodiment of the invention multichannel input piston plan view;
Fig. 9 is first embodiment of the invention multichannel input piston C-C sectional view;
Figure 10 is second embodiment of the invention multichannel input piston stereogram;
Figure 11 is second embodiment of the invention multichannel input piston plan view;
Figure 12 is second embodiment of the invention multichannel input piston D-D sectional view;
Figure 13 is third embodiment of the invention multichannel input piston stereogram;
Figure 14 is third embodiment of the invention multichannel input piston plan view;
Figure 15 is third embodiment of the invention multichannel input piston E-E sectional view;
Figure 16 is fourth embodiment of the invention multichannel input piston stereogram;
Figure 17 is fourth embodiment of the invention multichannel input piston plan view;
Figure 18 is that the present invention the 4th executes routine multichannel input piston F-F sectional view;
Figure 19 is fifth embodiment of the invention multichannel input piston stereogram;
Figure 20 is fifth embodiment of the invention multichannel input piston plan view;
Figure 21 is fifth embodiment of the invention multichannel input piston G-G sectional view;
Figure 22 is sixth embodiment of the invention multichannel input piston stereogram;
Figure 23 is sixth embodiment of the invention multichannel input piston plan view;
Figure 24 is sixth embodiment of the invention multichannel input piston H-H sectional view;
Figure 25 is seventh embodiment of the invention multichannel input piston stereogram;
Figure 26 is seventh embodiment of the invention multichannel input piston plan view;
Figure 27 is seventh embodiment of the invention multichannel input piston I-I sectional view;
Figure 28 is eighth embodiment of the invention multichannel input piston stereogram;
Figure 29 is eighth embodiment of the invention multichannel input piston plan view;
Figure 30 is that the present invention the 8th executes routine multichannel input piston J-J sectional view;
Figure 31 is ninth embodiment of the invention multichannel input piston stereogram;
Figure 32 is ninth embodiment of the invention multichannel input piston plan view;
Figure 33 is ninth embodiment of the invention multichannel input piston K-K sectional view;
Figure 34 is tenth embodiment of the invention multichannel input piston stereogram;
Figure 35 is tenth embodiment of the invention multichannel input piston plan view;
Figure 36 is tenth embodiment of the invention multichannel input piston L-L sectional view;
Figure 37 is eleventh embodiment of the invention multichannel input piston stereogram;
Figure 38 is eleventh embodiment of the invention multichannel input piston plan view;
Figure 39 is eleventh embodiment of the invention multichannel input piston M-M sectional view;
Figure 40 is twelveth embodiment of the invention multichannel input piston stereogram;
Figure 41 is twelveth embodiment of the invention multichannel input piston plan view;
Figure 42 is that the present invention the 12 executes routine multichannel input piston N-N sectional view;
Figure 43 is thriteenth embodiment of the invention multichannel input piston stereogram;
Figure 44 is thriteenth embodiment of the invention multichannel input piston plan view;
Figure 45 is thriteenth embodiment of the invention multichannel input piston P-P sectional view;
Figure 46 is fourteenth embodiment of the invention multichannel input piston stereogram;
Figure 47 is fourteenth embodiment of the invention multichannel input piston plan view;
Figure 48 is fourteenth embodiment of the invention multichannel input piston Q-Q sectional view;
Figure 49 is fifteenth embodiment of the invention multichannel input piston stereogram;
Figure 50 is fifteenth embodiment of the invention multichannel input piston plan view;
Figure 51 is fifteenth embodiment of the invention multichannel input piston R-R sectional view;
Figure 52 is sixteenth embodiment of the invention multichannel input piston stereogram;
Figure 53 is sixteenth embodiment of the invention multichannel input piston plan view;
Figure 54 is that the present invention the 16 executes routine multichannel input piston S-S sectional view;
Figure 55 is seventeenth embodiment of the invention multichannel input piston stereogram;
Figure 56 is seventeenth embodiment of the invention multichannel input piston plan view;
Figure 57 is seventeenth embodiment of the invention multichannel input piston T-T sectional view;
Figure 58 is eighteenth embodiment of the invention multichannel input piston stereogram;
Figure 59 is eighteenth embodiment of the invention multichannel input piston plan view;
Figure 60 is that the present invention the 18 executes routine multichannel input piston U-U sectional view;
Embodiment
Below, illustrate referring to the drawings multichannel input piston of the present invention.
With reference to Fig. 1~3, existing piston correlation technique is described, Fig. 1 is existing two whirlpools type pit piston stereograms; Fig. 2 is existing two whirlpools type pit piston plan views; Fig. 3 is existing two whirlpools type pit piston A-A sectional views; Piston P0 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, three volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), bottom surface 6, bottom surface 10 and piston P0 axis 1 angulation α, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P0.Overlook and see Fig. 2 along piston P0 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the main eddy current of two bursts of move toward one another.
With reference to Fig. 4~6, existing piston correlation technique is described, Fig. 4 is that existing shovel hits type pit piston stereogram; Fig. 5 is that existing shovel hits type pit piston plan view; Fig. 6 is that existing shovel hits type pit piston B-B sectional view; Piston P0 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, and the main combustion chamber on top 5 is provided with pit B1, pit B2 and a guide channel C1, and pit B1 becomes symmetry shape with pit B2.Three volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12, pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13, pit B1, pit B2 become shovel to hit type, bottom surface 6, bottom surface 10 are vertical or angled with piston P0 axis 1, and inwall 7, inwall 9, inwall 11 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P0.Overlook and see Fig. 5 along piston P0 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the main eddy current of two bursts of symmetric motions, seemingly outflank the air motion of piston axis 1.
With reference to Fig. 7~9, piston correlation technique of the present invention is described, Fig. 7 is first embodiment of the invention multichannel input piston stereogram; Fig. 8 is first embodiment of the invention multichannel input piston plan view; Fig. 9 is first embodiment of the invention multichannel input piston C-C sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Fig. 8 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, flow to pit B1, after air-flow F1 arrives other shore, be divided into air-flow F11, air-flow F12, form the local eddy currents of two bursts of commutation motions.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, flow to pit B2, after arriving other shore, air-flow F2 is divided into air-flow F21, air-flow F22, form the local eddy currents of two bursts of commutation motions, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 10~12, piston correlation technique of the present invention is described, Figure 10 is second embodiment of the invention multichannel input piston stereogram; Figure 11 is second embodiment of the invention multichannel input piston plan view; Figure 12 is second embodiment of the invention multichannel input piston D-D sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 11 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, flow to pit B1 through flaring channel C 11, be divided into air-flow F11, air-flow F12 after air-flow F1 arrives other shore, form the local eddy currents of two bursts of commutation motions.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, flow to pit B2 through flaring channel C 21, after arriving other shore, air-flow F2 is divided into air-flow F21, air-flow F22, form the local eddy currents of two bursts of commutation motions, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 13~15, piston correlation technique of the present invention is described, Figure 13 is third embodiment of the invention multichannel input piston stereogram; Figure 14 is third embodiment of the invention multichannel input piston plan view; Figure 15 is third embodiment of the invention multichannel input piston E-E sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 14 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, flow to pit B1, after air-flow F1 arrives other shore, be divided into air-flow F11, air-flow F12, form the local eddy currents of two bursts of commutation motions.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, flow to pit B2, after arriving other shore, air-flow F2 is divided into air-flow F21, air-flow F22, form the local eddy currents of two bursts of commutation motions, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move in the same way.
With reference to Figure 16~18, piston correlation technique of the present invention is described, Figure 16 is fourth embodiment of the invention multichannel input piston stereogram; Figure 17 is fourth embodiment of the invention multichannel input piston plan view; Figure 18 is that the present invention the 4th executes routine multichannel input piston F-F sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, be provided with shunting bank 8 between pit B1 and pit B2, shunting bank 8 centers are parallel to the moving direction of air-flow F1, air-flow F2, four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 17 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, punish into air-flow F11, air-flow F12 at shunting bank 8; Air-flow F11 flows to pit B1, and air-flow F12 flows to pit B2, from the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, punish into air-flow F21, air-flow F22 at shunting bank 8; Air-flow F21 flows to pit B1, and air-flow F22 flows to pit B2, forms the local eddy currents of two bursts of commutation motions, after air-flow F1, the shunting of air-flow F2 move toward one another, in pit 1 and pit 2, forms local eddy currents.
With reference to Figure 19~21, piston correlation technique of the present invention is described, Figure 19 is fifth embodiment of the invention multichannel input piston stereogram; Figure 20 is fifth embodiment of the invention multichannel input piston plan view; Figure 21 is fifth embodiment of the invention multichannel input piston G-G sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, be provided with shunting bank 8 between pit B1 and pit B2, the angled α of moving direction of shunting bank 8 centers and air-flow F1, air-flow F2, for allocating shunt ratio.Four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 20 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, punish into air-flow F11, air-flow F12 at shunting bank 8; Air-flow F11 flows to pit B1, and air-flow F12 flows to pit B2, from the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, punish into air-flow F21, air-flow F22 at shunting bank 8; Air-flow F21 flows to pit B1, and air-flow F22 flows to pit B2, forms the local eddy currents of two bursts of commutation motions, after air-flow F1, the shunting of air-flow F2 move toward one another, in pit 1 and pit 2, forms local eddy currents.
With reference to Figure 22~24, piston correlation technique of the present invention is described, Figure 22 is sixth embodiment of the invention multichannel input piston stereogram; Figure 23 is sixth embodiment of the invention multichannel input piston plan view; Figure 24 is sixth embodiment of the invention multichannel input piston H-H sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3 and guide channel C1, guide channel C2, the total measurement (volume) of pit be pit B1, pit B2, pit B3 and guide channel C1,, five volume sums of guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B3 is comprised of bottom surface 14 and inwall 15, pit B1, pit B2, pit B3 become discoid (or shallow pot shape), three pits become " product " font to distribute, bottom surface 6,10, bottom surface, bottom surface 14 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9, inwall 15 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B3, and the passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1.Overlook and see Figure 23 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the eddy current of two bursts of move toward one another.Air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, and arrival is divided into air-flow F21, air-flow F22 behind pit B3 other shore, flows to pit B3, forms local eddy currents.
With reference to Figure 25~27, piston correlation technique of the present invention is described, Figure 25 is seventh embodiment of the invention multichannel input piston stereogram; Figure 26 is seventh embodiment of the invention multichannel input piston plan view; Figure 27 is seventh embodiment of the invention multichannel input piston I-I sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3, pit B4 and guide channel C1, guide channel C2, six volume sums that the total measurement (volume) of pit is pit B1, pit B2, pit B3, pit B4 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B3 is comprised of bottom surface 14 and inwall 15, pit B4 is comprised of bottom surface 16 and inwall 17, pit B1, pit B2, pit B3, pit B4 become discoid (or shallow pot shape), four pits are symmetrically distributed, and bottom surface 6,14, bottom surface, 10, bottom surface, bottom surface 16 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9, inwall 15, inwall 17 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B3 and pit B4, and the passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1.Overlook and see Figure 26 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the eddy current of two bursts of move toward one another.Air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, and arrival is divided into air-flow F21, air-flow F22 behind pit B3 other shore, flows to pit B3, pit B4, forms local eddy currents.
With reference to Figure 28~30, piston correlation technique of the present invention is described, Figure 28 is eighth embodiment of the invention multichannel input piston stereogram; Figure 29 is eighth embodiment of the invention multichannel input piston plan view; Figure 30 is that the present invention the 8th executes routine multichannel input piston J-J sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, and pit B2 is comprised of bottom surface 6 and inwall 7, and pit B1, pit B2 become discoid (or shallow pot shape), and bottom surface 6, bottom surface 10 are usually perpendicular to piston P1 axis 1, and inwall 7, inwall 9 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 tangentially passes through and is communicated with mutually with pit B1 axial ray 1 place, and the orthogonal or wedge shape of guide channel C2 tangentially passes through and is communicated with mutually with pit B2 axial ray 1 place.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 29 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 31~33, piston correlation technique of the present invention is described, Figure 31 is ninth embodiment of the invention multichannel input piston stereogram; Figure 32 is ninth embodiment of the invention multichannel input piston plan view; Figure 33 is ninth embodiment of the invention multichannel input piston K-K sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B1, pit B2 become discoid (or shallow pot shape), line segment LA1 is that the line segment formed is intersected in 5 planes, top and bottom surface 6, line segment LA2 is that the line segment formed, the 1 one-tenth α in bottom surface 6 and piston P1 axis, the 1 one-tenth β in bottom surface 10 and piston P1 axis are intersected in 5 planes, top and bottom surface 10, inwall 7, inwall 9 parallel to the axis 1 usually, but can be also angled with bottom surface 6 or 10; Guide channel C1 wedgewise shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B1, and guide channel C2 wedge shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 32 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 34~36, piston correlation technique of the present invention is described, Figure 34 is tenth embodiment of the invention multichannel input piston stereogram; Figure 35 is tenth embodiment of the invention multichannel input piston plan view; Figure 36 is tenth embodiment of the invention multichannel input piston L-L sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B1, pit B2 become discoid (or shallow pot shape), line segment LA3 drop on angled plane, 5 planes, top on, bottom surface 6 by line segment LA3 and with 1 one-tenth α angle of piston P1 axis, line segment LA4 drop on angled plane, 5 planes, top on, bottom surface 10 by line segment LA4 and with 1 one-tenth β angle of piston P1 axis, inwall 7, inwall 9 parallel to the axis 1 usually, but can be also angled with bottom surface 6 or 10; In echelon, flaring ground is tangentially passing through and is being communicated with away from axis 1 place with pit B1 guide channel C1 mutually, and in echelon, flaring ground is tangentially passing through and is being communicated with away from axis 1 place with pit B2 guide channel C2 mutually.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 35 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 37~39, piston correlation technique of the present invention is described, Figure 37 is eleventh embodiment of the invention multichannel input piston stereogram; Figure 38 is eleventh embodiment of the invention multichannel input piston plan view; Figure 39 is eleventh embodiment of the invention multichannel input piston M-M sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B1, pit B2 become discoid (or shallow pot shape), line segment LA5 drops on the plane of the biasing certain distance angled with 5 planes, top, bottom surface 6 by line segment LA5 and with 1 one-tenth α angle of piston P1 axis, line segment LA6 drops on the plane of the biasing certain distance angled with 5 planes, top, bottom surface 10 by line segment LA6 and with 1 one-tenth β angle of piston P1 axis, inwall 7, inwall 9 parallel to the axis 1 usually, but can be also angled with bottom surface 6 or 10; In echelon, flaring ground is tangentially passing through and is being communicated with away from axis 1 place with pit B1 guide channel C1 mutually, and in echelon, flaring ground is tangentially passing through and is being communicated with away from axis 1 place with pit B2 guide channel C2 mutually.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 38 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 40~42, piston correlation technique of the present invention is described, Figure 40 is twelveth embodiment of the invention multichannel input piston stereogram; Figure 41 is twelveth embodiment of the invention multichannel input piston plan view; Figure 42 is that the present invention the 12 executes routine multichannel input piston N-N sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is by bottom surface 10 and inwall 9, bottom surface A10 and inwall A9 form, pit B2 is by bottom surface 6 and inwall 7, bottom surface A6 and inwall A7 form, pit B1, pit B2 becomes discoid (or shallow pot shape), line segment LA7 is that the line segment formed is intersected in 5 planes, top and bottom surface 6, line segment LA8 is that the line segment formed is intersected in 5 planes, top and bottom surface 10, line segment LB1 is intersected with bottom surface A6 in bottom surface 6, 10Yu bottom surface, bottom surface A10 intersects line segment LB2, bottom surface 6 is alpha+beta with bottom surface A6 angle, 10Yu bottom surface, bottom surface A10 angle is alpha+beta, the 1 one-tenth β angle in bottom surface 6 and piston P1 axis, the 1 one-tenth β angle in bottom surface 10 and piston P1 axis, 1 one-tenth α angle of bottom surface A6 and piston P1 axis, 1 one-tenth α angle of bottom surface A10 and piston P1 axis, inwall 7, inwall A7, inwall 9, inwall A9 parallels to the axis 1 usually, but can be and bottom surface 6 or 10 also, bottom surface A6 or A10 are angled, guide channel C1 wedgewise shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B1, and guide channel C2 wedge shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 41 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 43~45, piston correlation technique of the present invention is described, Figure 43 is thriteenth embodiment of the invention multichannel input piston stereogram; Figure 44 is thriteenth embodiment of the invention multichannel input piston plan view; Figure 45 is thriteenth embodiment of the invention multichannel input piston P-P sectional view, piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, separated four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2 between pit B1 and pit B2 by ridge area A8.Pit B1 is comprised of bottom surface 10 and inwall 9, pit B2 is comprised of bottom surface 6 and inwall 7, pit B1, pit B2 become horse-hof shape, line segment LA1 is that the line segment formed is intersected in 5 planes, top and bottom surface 6, line segment LA2 is that the line segment formed, the 1 one-tenth α in bottom surface 6 and piston P1 axis, the 1 one-tenth β in bottom surface 10 and piston P1 axis are intersected in 5 planes, top and bottom surface 10, inwall 7, inwall 9 parallel to the axis 1 usually, but can be also angled with bottom surface 6 or 10; Guide channel C1 wedgewise shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B1, and guide channel C2 wedge shape, flaring ground are tangentially passing through and are being communicated with mutually away from axis 1 place with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts is communicated with the guide channel C2 on piston P1.Overlook and see Figure 44 along piston P1 axis 1, in the internal-combustion engine inflation process from the air-flow F1 in turbulence combustion chamber, through the passage of W1 inserted to guide channel C1, tangentially flow to pit B1, form the eddy current around pit B1 central rotation.From the air-flow F2 in turbulence combustion chamber, through the passage of W2 inserted to guide channel C2, tangentially flow to pit B2, form the eddy current around pit B2 central rotation, air-flow F1, the air-flow F2 entrance certain distance L 1 that staggers, air-flow F1, air-flow F2 move toward one another.
With reference to Figure 46~48, piston correlation technique of the present invention is described, Figure 46 is fourteenth embodiment of the invention multichannel input piston stereogram; Figure 47 is fourteenth embodiment of the invention multichannel input piston plan view; Figure 48 is fourteenth embodiment of the invention multichannel input piston Q-Q sectional view, piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3 and guide channel C1, guide channel C2, and pit B1 becomes shovel to hit type with pit B2.Five volume sums that the total measurement (volume) of pit is pit B1, pit B2, pit B3 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12, pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13, pit B1, pit B2 become shovel to hit type, and pit B3 is comprised of bottom surface 14 and inwall 15, and pit B3 becomes discoid (or shallow pot shape).Bottom surface 6, bottom surface 10 is vertical with piston P1 axis 1 or angled α, and inwall 7, inwall 9, inwall A9, inwall 11 parallel to the axis 1 or angled usually, and bottom surface 14 is usually perpendicular to piston P1 axis 1, and inwall 15 parallels to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B3.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1.The passage of the W2 that inserts of bottom, vortex chamber is communicated with the guide channel C2 on piston P1.Overlook and see Figure 47 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the main eddy current of two bursts of symmetric motions, seemingly outflank the air motion of piston axis 1; Air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, and arrival is divided into air-flow F21, air-flow F22 behind pit B3 other shore, flows to pit B3, forms local eddy currents.
With reference to Figure 49~51, piston correlation technique of the present invention is described, Figure 49 is fifteenth embodiment of the invention multichannel input piston stereogram; Figure 50 is fifteenth embodiment of the invention multichannel input piston plan view; Figure 51 is fifteenth embodiment of the invention multichannel input piston R-R sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, and the main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3 and guide channel C1, guide channel C2, and pit B1 becomes the symmetry shape shovel to hit type with pit B2.Five volume sums that the total measurement (volume) of pit is pit B1, pit B2, pit B3 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12, pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13, pit B1, pit B2 become shovel to hit type, and pit B3 is comprised of bottom surface 14 and inwall 15, and pit B3 becomes discoid (or shallow pot shape).Bottom surface 6, bottom surface 10 is vertical with piston P1 axis 1 or angled α, and inwall 7, inwall 9, inwall A9, inwall 11 parallel to the axis 1 usually, and bottom surface 14 is usually perpendicular to piston P1 axis 1, and inwall 15 parallels to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B3.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1.The passage of the W2 that inserts of bottom, vortex chamber is communicated with the guide channel C2 on piston P1.Overlook and see Figure 50 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the main eddy current of two bursts of symmetric motions, seemingly outflank the air motion of piston axis 1; Air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, after flaring channel C 21 arrives pit B3 other shore, is divided into air-flow F21, air-flow F22, forms local eddy currents.
With reference to Figure 52~54, piston correlation technique of the present invention is described, Figure 52 is sixteenth embodiment of the invention multichannel input piston stereogram; Figure 53 is sixteenth embodiment of the invention multichannel input piston plan view; Figure 54 is that the present invention the 16 executes routine multichannel input piston S-S sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2 and guide channel C1, guide channel C2, pit B1, pit B2 become monolateral shovel to hit the type shape, between head and the tail, by ridge area B8, are separated.Four volume sums that the total measurement (volume) of pit is pit B1, pit B2 and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12 and A12, and pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13 and A13.Bottom surface 6, bottom surface 10 is vertical with piston P1 axis 1 or angled α, inwall 9, inwall 11, inwall 12, inwall A12 and inwall 7, inwall A9, inwall 13, inwall A13 parallel to the axis 1 usually, orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B2.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts of bottom, vortex chamber is communicated with the guide channel C2 on piston P1.Overlook and see Figure 53 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, flow to pit B1, air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, flow to pit B2, air-flow F1, air-flow F2 do the rotating Vortex motion around piston axis 1 end-to-end, form eddy motion of overall importance.
With reference to Figure 55~57, piston correlation technique of the present invention is described, Figure 55 is seventeenth embodiment of the invention multichannel input piston stereogram; Figure 56 is seventeenth embodiment of the invention multichannel input piston plan view; Figure 57 is seventeenth embodiment of the invention multichannel input piston T-T sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3, pit B4 and guide channel C1, guide channel C2, pit B1 becomes the symmetry shape shovel to hit type with pit B2, pit B3 becomes symmetry shape shovel to hit type with pit B4, pit B1, pit B2 and pit B3, pit B4 are opposed in opposite directions.Six volume sums that the total measurement (volume) of pit is pit B1, pit B2, pit B3, pit B and guide channel C1, guide channel C2.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12, pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13, pit B3 is comprised of bottom surface A10 and inwall C9, inwall A11, inwall 12, pit B4 is comprised of bottom surface A6 and inwall A7, inwall B9, inwall 13, bottom surface 6 and A6, bottom surface 10 and A10 or angled α vertical with piston P1 axis 1, inwall 7 and A7, inwall 9, inwall A9, inwall B9, inwall C9, inwall 11 and A11 parallel to the axis 1 usually; Orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1 and pit B2, and the orthogonal or wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B3 and pit B4.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts of bottom, vortex chamber is communicated with the guide channel C2 on piston P1.Overlook and see Figure 56 along piston P1 axis 1, through the passage of the W1 that inserting to guide channel C1 from the air-flow F1 in turbulence combustion chamber in the internal-combustion engine inflation process, punish into air-flow F11, air-flow F12 at shunting bank 8, flow to respectively pit B1, pit B2, form the main eddy current of two bursts of symmetric motions, seemingly outflank the air motion of piston axis 1; Through the passage of the W2 that inserting to guide channel C2 from the air-flow F2 in turbulence combustion chamber, at the shunting bank, A8 punishes into air-flow F21, air-flow F22, flow to respectively pit B3, pit B4, form the main eddy current of two bursts of symmetric motions, seemingly outflank the air motion of piston axis 1; Air-flow F11, air-flow F12 and air-flow F21, air-flow F22 move toward one another in main combustion chamber, at symmetry plane, place meets.
With reference to Figure 58~60, piston correlation technique of the present invention is described, Figure 58 is eighteenth embodiment of the invention multichannel input piston stereogram; Figure 59 is eighteenth embodiment of the invention multichannel input piston plan view; Figure 60 is that the present invention the 18 executes routine multichannel input piston U-U sectional view; Piston P1 comprises: piston group section 2, wrist pin section 3, piston ring slot part 4, piston head 5, main combustion chamber on top 5 is provided with pit B1, pit B2, pit B3 and guide channel C1, guide channel C2, pit B1, pit B2 become monolateral shovel to hit the type shape, pit B3 becomes discoid (or shallow pot shape), and pit B1 and pit B2 head and the tail are separated by ridge area B8.Six volume sums that the total measurement (volume) of pit is pit B1, pit B2, pit B3 and guide channel C1, guide channel C2, guide channel C3.Pit B1 is comprised of bottom surface 10 and inwall 9, inwall 11, inwall 12 and A12, and pit B2 is comprised of bottom surface 6 and inwall 7, inwall A9, inwall 13 and A13, and pit B3 is comprised of bottom surface 14 and inwall 15.Bottom surface 6,10, bottom surface, bottom surface 14 is vertical with piston P1 axis 1 or angled α, inwall 9, inwall 11, inwall 12, inwall A12 and inwall 7, inwall A9, inwall 13, inwall A13 and inwall 15 parallel to the axis 1 usually, orthogonal or the wedge shape of guide channel C1 also passes through and is communicated with mutually with pit B1, orthogonal or the wedge shape of guide channel C2 also passes through and is communicated with mutually with pit B2, and the orthogonal or wedge shape of guide channel C3 also passes through and is communicated with mutually with pit B3.The passage of the W1 that inserts of bottom, vortex chamber is communicated with the guide channel C1 on piston P1, and the passage of the W2 that inserts of bottom, vortex chamber is communicated with the guide channel C2 on piston P1, and the passage of the W3 that inserts of bottom, vortex chamber is communicated with the guide channel C3 on piston P1.Overlook and see Figure 59 along piston P1 axis 1, in the internal-combustion engine inflation process, from the air-flow F1 in turbulence combustion chamber, pass through the passage of the W1 that inserts to guide channel C1; Flow to pit B1, the air-flow F2 in turbulence combustion chamber passes through the passage of the W2 that inserts to guide channel C2, flows to pit B2, and air-flow F1, air-flow F2 do the rotating Vortex motion around piston axis 1 end-to-end, form eddy motion of overall importance; Air-flow F3 in turbulence combustion chamber passes through the passage of the W3 that inserts to guide channel C3, after flaring channel C 31 arrives pit B3 other shore, is divided into air-flow F31, air-flow F32, forms the local eddy currents motion.
Multichannel input piston P1 of the present invention is different from traditional piston P0 structure, it is in conjunction with the layout of the firing chamber on cylinder head, at existing single oil nozzle, one or more oil nozzle and vortex chamber have been increased on the basis of single vortex chamber, reasonably arrange two or more air flow guiding passages at piston head, the shape of reasonable design pit and position, the bottom shape of reasonable design pit and position, improved the structural type of main combustion chamber, above each embodiment coordinates the firing chamber multi-point injection, main combustion chamber at piston head is realized channel transmission, effectively optimally tissue is oily, fate is moved path, thereby significantly improved oil, the condition that gas mixes, shortened oil, fate is moved path, promote oil, gas evenly mixes, be conducive to tissue and the flame propagation of burning, simultaneously, but the heat load of decrease oil nozzle, improve Economy and power performance, reach energy-conservation, the effect reduced discharging.
According to the working principle of swirl chamber diesel and the partial parameters of setting, can optimize the volume of determining major and minor firing chamber, shape, position etc., coordinate the adjustment of other parameter of motor, adjust by experiment to optimize and determine the main combustion chamber structure.
In addition, the present invention is applicable to the piston of precombustion chamber or other IDI diesel engine and petrol engine, is applicable to single-cylinder engine, multicylinder engine.
The present invention is not defined as above-mentioned mode of execution, suitably above-mentioned mode of execution combination can be implemented as required, or suitably above-mentioned mode of execution can be out of shape or change enforcement as required.
Be below only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with the claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvement and adjustment, these improvement and adjustment also should be considered as protection scope of the present invention.

Claims (10)

1. multichannel input piston (P1) comprising: piston skirt (2), wrist pin section (3), piston ring slot part (4), piston head (5) is characterized in that: the main combustion chamber of described piston head (5) is provided with two or more guide channels: guide channel (C1), guide channel (C2), guide channel (C3); Be provided with one or two or plural pit: pit (B1), pit (B2), pit (B3); Above-mentioned pit and guide channel form the wall of a motion of main combustion chamber jointly, and guide channel in the time of within multichannel input piston (P1) is packed motor into (C1, C2, C3~Cn) is connected with the passage on insert (W1, W2, the W3~Wn) of the subsidiary combustion chamber of corresponding two or more fuel injection systems respectively.
2. according to claims 1, it is characterized in that: the described main combustion chamber that is arranged at the piston head (5) of multichannel input piston (P1), along piston middle spindle line (1), overlook, visible main combustion chamber is divided into two or more parts, each part is provided with air flow guiding passage and pit separately, can partly be communicated with or separate by ridge area (A8 or B8) between pit and pit, pit (B1, B2, B3~Bn) shape and quantity can be according to advancing, exhaust valve quantity determines, also can independently arrange, air flow guiding passage (C1, C2, C3~Cn) quantity and shape are according to the quantity that vortex chamber is set and location positioning, two or more air flow guiding passages are set usually.
3. according to claims 1, it is characterized in that: the guide channel (C1 of described multichannel input piston (P1), C2, C3~Cn) shape can be gradual shrinkage or flaring type or uniform section type, its position on piston head (5) can be positioned at respective dimple (B1, B2, circumscribed upwards or on marginal other position upwards or away from piston (P1) central axis (1) of the inscribe of close piston middle spindle line (1) B3~Bn), and with corresponding pit (B1, B2, B3~Bn) pass through mutually connection, between pit, relative position between passage is unfettered, definite by optimizing.
4. according to claims 1, it is characterized in that: the pit of described multichannel input piston (P1) (B1, B2, B3~Bn) shape can be that regular disk-like shape or shallow pot shape or shovel hit type or other irregular bottom surface be comprised of curve and line segment Boolean calculation after stretching along piston axis (1) and ask and differ from formed pit (B1, B2, B3~Bn), guide channel (C1, C2, C3~Cn) is communicated with in a certain position with corresponding pit (B1, B2, B3~Bn), and bottom surface can be plane or consist of plane crossing more than two.
5. according to claims 1, it is characterized in that: the pit of described multichannel input piston (P1) (B1, B2, B3~Bn) shape can be that regular disk-like shape or shallow pot shape or shovel hit type or other irregular bottom surface be comprised of curve and line segment Boolean calculation after stretching along piston axis (1) and ask and differ from formed pit (B1, B2, B3~Bn), guide channel (C1, C2, C3~Cn) is communicated with in a certain position with corresponding pit (B1, B2, B3~Bn), and bottom surface can be that curved surface forms.
6. according to claims 1, it is characterized in that: the pit of described multichannel input piston (P1) (B1, B2, B3~Bn), its bottom surface consisted of one or more intersecting planes can become any suitable angle with piston axis (1) direction, can be right angle or obtuse angle or acute angle.
7. according to claims 1, it is characterized in that: the pit of described multichannel input piston (P1) (B1, B2, B3~Bn), the normal direction projection plane of the bottom surface that it consists of curved surface can become any suitable angle with piston axis (1) direction, can be right angle or obtuse angle or acute angle.
8. according to claims 1, it is characterized in that: the axial internal face of the pit of described multichannel input piston (P1) (B1, B2, B3~Bn) can be parallel with the axis (1) of piston (P1) or becomes obtuse angle or acutangulate, orthogonal or the trapezoid shaped of section of its axis (1) by piston (P1) or other figure be comprised of curve and line segment, the section of pit (B1, B2, B3~Bn) presents enlarging shape or reducing shape or uniform section shape.
9. a piston, only possess the described piston of any one in claim 1~8.
10. an internal-combustion engine, possess piston claimed in claim 9.
CN2013103804630A 2013-08-28 2013-08-28 Multichannel input piston Pending CN103470394A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937462A (en) * 2016-07-15 2016-09-14 阿尔特汽车技术股份有限公司 Direct injection vortex piston top combustion chamber
CN110630400A (en) * 2019-11-21 2019-12-31 潍柴动力股份有限公司 Piston for gas engine and gas engine with same
CN117128105A (en) * 2023-10-26 2023-11-28 潍柴动力股份有限公司 Piston, combustion chamber and engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH094462A (en) * 1995-06-21 1997-01-07 Isuzu Ceramics Kenkyusho:Kk Six-cycle diesel engine having auxiliary chamber
CN2564762Y (en) * 2002-08-08 2003-08-06 石河子大学 Vortex diesel engine piston
CN102251845B (en) * 2011-06-23 2012-10-24 常州常发动力机械有限公司 Combustion system of vortex-type diesel engine
CN204003138U (en) * 2013-08-28 2014-12-10 邓国峰 Multichannel input piston

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH094462A (en) * 1995-06-21 1997-01-07 Isuzu Ceramics Kenkyusho:Kk Six-cycle diesel engine having auxiliary chamber
CN2564762Y (en) * 2002-08-08 2003-08-06 石河子大学 Vortex diesel engine piston
CN102251845B (en) * 2011-06-23 2012-10-24 常州常发动力机械有限公司 Combustion system of vortex-type diesel engine
CN204003138U (en) * 2013-08-28 2014-12-10 邓国峰 Multichannel input piston

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105937462A (en) * 2016-07-15 2016-09-14 阿尔特汽车技术股份有限公司 Direct injection vortex piston top combustion chamber
CN110630400A (en) * 2019-11-21 2019-12-31 潍柴动力股份有限公司 Piston for gas engine and gas engine with same
CN117128105A (en) * 2023-10-26 2023-11-28 潍柴动力股份有限公司 Piston, combustion chamber and engine
CN117128105B (en) * 2023-10-26 2024-01-12 潍柴动力股份有限公司 Piston, combustion chamber and engine

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