CN102305130B - Piston type internal combustion engine - Google Patents
Piston type internal combustion engine Download PDFInfo
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- CN102305130B CN102305130B CN2011101368835A CN201110136883A CN102305130B CN 102305130 B CN102305130 B CN 102305130B CN 2011101368835 A CN2011101368835 A CN 2011101368835A CN 201110136883 A CN201110136883 A CN 201110136883A CN 102305130 B CN102305130 B CN 102305130B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000010304 firing Methods 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 26
- 239000007789 gas Substances 0.000 description 23
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a piston type internal combustion engine. An air cylinder (1) of the piston type internal combustion engine is an annular air cylinder; more than four sliding blocks (2) are uniformly arranged on the air cylinder (1) along the circumference so as to divide the air cylinder (1) into more than four working chambers; each working chamber is provided with an air inlet valve (6), an air exhaust valve (7) and a piston (3); one end of a piston connection rod (4) is connected with the piston (3) and the other end of the piston connection rod (4) is connected with a main power shaft (5) in an annular center; oil spraying ignition devices (8) are arranged on the sliding blocks (2); and the work of the air inlet valves (6), the air exhaust valves (7) and the sliding blocks (2) is controlled by a control system. The piston type internal combustion engine has a simple structure and is easy to manufacture; and by the piston type internal combustion engine, the problems that power loss is high, the air cylinder of the conventional reciprocating piston type internal combustion engine is easy to abrade and the stress on a crank shaft is unbalanced in the conventional reciprocating piston type internal combustion engine and the problems that a sealing sheet of a rotor engine is easy to abrade, waste gas cannot be emitted thoroughly, the torque is too small, only one spark ignition mode can be adopted and a rotor engine is hard to manufacture and maintain in the rotor engine are solved.
Description
Technical field
The present invention relates to a kind of Structure of Internal-Combustion Engine technical field.
Background technique
Internal-combustion engine is a kind of energy conversion device, is heat energy with the chemical energy of the materials such as gasoline, diesel oil, rock gas by burning conversion in cylinder, and heat energy is converted into mechanical energy by expansion, externally acting.On commercial automobile, generally use at present stroke piston combustion engine.
The stroke piston combustion engine machine is converted into heat energy with chemical energy in cylinder after, heat energy expands, and drive piston movement, thereby heat energy is converted into mechanical energy, be the torque that bent axle rotates by connecting rod with Conversion of Energy again, externally acting.
Connecting rod is the groundwork mechanism of stroke piston combustion engine, is comprised of body group, piston rod group and crankshaft-flywheel group.The body group is the skeleton of internal-combustion engine.The piston rod group is the to-and-fro motion of piston and the linkage unit that bent axle rotates, and the energy with reciprocating motion of the pistons in expansion stroke changes into the torque that bent axle rotates.The crankshaft-flywheel group comprises bent axle and flywheel, and bent axle is externally exported acting, and flywheel relies on inertia to drive reciprocating motion of the pistons by connecting rod behind expansion stroke, for other 3 strokes are prepared as inertial mechanism.
Existing stroke piston combustion engine machine mostly is the quartastroke engine machine, and a work cycle of quartastroke engine machine comprises aspirating stroke, compression stroke, expansion stroke and exhaust stroke.The piston rod group changes into the energy of reciprocating motion of the pistons the torque of bent axle and flywheel rotation in expansion stroke.At other 3 strokes, piston relies on the rotator inertia of flywheel reciprocating.
The power loss that present stroke piston combustion engine existence causes because moment changes and the problem of cylinder wear, specific as follows: at the expansion stroke initial time, piston is positioned at top dead center, piston rod and bent axle are in same vertical plane, piston rod is 0 to the opplied moment of bent axle, and the active force that this moment, the fuel blast produced is maximum, but force direction and point of action linear velocity perpendicular direction, do not play promoting the effect that bent axle rotates, power loss is larger.When piston neither was in top dead center and also is not in lower dead center, connecting rod and bent axle shape had a certain degree, and will produce certain cross component force like this, increased the frictional force between piston and cylinder wall, and the power that loss is certain is also accelerated the wearing and tearing of cylinder.And bent axle is subjected to force unbalance, less stable.
Also have a kind of well-knownly, but use seldom internal-combustion engine, Here it is triangular piston rotary engine machine, namely rotary engine machine.This internal-combustion engine is invented by German Fei Jiashi wankel (Felix Wankel, 1902-1988), and he has solved key technology problems on the basis of the achievement in research of summing up forefathers, succeeded in developing First rotary engine machine.The rotary engine machine adopts three-apexed rotor to rotatablely move to control compression and discharging, and is different from the straight line motion of traditional piston reciprocating type motor.
The inner space of rotary engine engine housing always is divided into three working rooms.In the movement process of rotor, the volume of these three working rooms ceaselessly changes, and in succession finishes air inlet, compression, burning and exhaust Four processes in the cycloidal cylinder body.Each process is that the diverse location in the cycloidal cylinder body carries out.
The movement characteristic of rotary engine machine is: when revolve round the sun around the output shaft center in the center of three-apexed rotor, three-apexed rotor itself is again around its center rotation.When three-apexed rotor rotates, the ring gear centered by the three-apexed rotor center and the engagement of the gear centered by the output shaft center, gear is fixed on the cylinder body and does not rotate, and ring gear is 3:2 with the ratio of the number of teeth of gear.Above-mentioned kinematic relation so that the movement locus on three-apexed rotor summit like the figure of eight.Three-apexed rotor is divided into three separate space to cylinder, and three spaces are successively finished air inlet, compression, acting and exhaust separately, and three-apexed rotor is from circling internal-combustion engine ignition acting three times.
The rotary engine machine has following shortcoming: owing to only have an apex seal between the adjacent cavity volume of three-apexed rotor engine, apex seal is that line contacts with cylinder body all the time, and the position that contacts with cylinder body on the apex seal is changing all the time, therefore three non-fully isolation (sealing) in firing chamber, the apex seal quick abrasion.And the rotary engine compression ratio is little, can only use Spark ignition type, can not with compression-ignited, namely can not adopt diesel oil to do fuel.The shape of rotor combustion chamber is so that toxic emission is not thorough.Because ring gear is 3:2 with the ratio of the number of teeth of gear, causes output shaft torque too low, can only use at automobile with small output volume, can not promote civilian.The manufacturing technology of rotary engine machine is high, and cost compare is expensive, Difficulty, and its unique mechanical structure also causes its difficult maintenance.
Summary of the invention
The technical problem to be solved in the present invention:
1, the existing existing transmission efficiency of stroke piston combustion engine is low, cylinder is easy to wear and the problem of bent axle discontinuity.
2, the existing existing toxic emission of rotary engine is not thoroughly, moment of torsion is too little, sealing place easy to wear, can only adopt the problem of Spark ignition type, manufacturing and maintenance difficult.
Technological scheme of the present invention: a kind of internal-combustion piston engine comprises cylinder, piston, piston rod, main power shaft, intake valve, exhaust valve and fuel injector igniter; Cylinder is annular cylinder, arranges four with top slide block along even circumferential, and cylinder is separated into four above working rooms, and each working room is provided with intake valve, exhaust valve and piston; One end of piston rod is connected with piston, and the other end is connected with the main power shaft of annular center; Be provided with fuel injector igniter on the slide block; The motion of intake valve, exhaust valve and slide block is controlled by control system.
It is half air vent of piston head length that piston head has one length, and the left side is provided with the firing chamber, and the middle part is provided with the compressed gas storage chamber; Be provided with the firing chamber suction valve between firing chamber and the compressed gas storage chamber, controlled by control system; The compressed gas storage chamber is provided with automatic admission valve.
Slide block is identical inclined-plane, angle of inclination with the side of piston, and slider bottom is identical with the piston head radian.
Seal arrangement in cylinder, and rotates piston seal with piston, piston rod.
Cylinder is formed by the merging of two halves casing wall, fixes in the sealing applying of the place, outer of cylindrical and with bolt.Inner circle offers an annulus.
The left side of exhaust valve is 1/2nd of piston head length to the distance in the left side of adjacent sliders.
Control system can be computerized control system, disposes computer control panel; The work of slide block intake valve, exhaust valve and firing chamber suction valve is controlled by computer control panel.
Control system can be Machinery Control System also, disposes piston control mechanism, valve control machanism and slide block control mechanism, is linkage mechanism.Main power shaft is provided with cross top board, circular cam, intake valve control cam, exhaust valve control cam and slide block control cam; Wherein the cross top board is connected with main power shaft and is adopted flat key to connect, and can slide vertically, and stretch out convex one side that push rod withstands on circular cam, and circular cam is fixed on the internal-combustion engine housing and does not rotate.The piston control mechanism is installed on the piston rod, one end connects the firing chamber suction valve, the other end dependence valve spring withstands on the cross mandrel plate and it is characterized in that: valve control machanism one end connects valve, and the other end withstands on intake valve control cam or the exhaust valve control cam.Slide block control mechanism one end connection sliding block, the other end rely on sliding block spring to withstand on the slide block control cam.
Beneficial effect of the present invention:
1, adopt loop configuration, piston and main power shaft rotate synchronously, do not have the existing top dead center power loss of stroke piston combustion engine; Thrust is constant all the time to the moment of main power shaft, can not produce the cross component force to casing wall, has avoided this part power loss and cylinder wear.
2, each piston does work simultaneously, the main power shaft stress balance.
3, each circulation, main power shaft rotates a week, each piston acting twice, thrust is to the active force brachium of main power shaft, and moment of torsion is large.
4, compare rotary engine, the discharging of waste gas is more thorough.
5, compare rotary engine, each sealing place is the face contact, and sealing effect is relatively good, and is not easy to wear.
6, compare rotary engine, gas compression can adopt compression-ignited or Spark ignition type than large.
7, structural type is compact, manufacturing and easy to maintenance.
Description of drawings:
Fig. 1 is the structural representation that the present invention adopts the computer control mode;
Fig. 2 is the structural representation of piston of the present invention;
Fig. 3 is cylinder sealed structural representation of the present invention;
Fig. 4 piston of the present invention and slide block movement concern schematic representation;
Fig. 5 is the forward structure schematic representation of the present invention's machinery control;
Fig. 6 is the side direction structural representation of Fig. 5;
Fig. 7 to Figure 10 is working procedure schematic representation of the present invention.
Embodiment:
Embodiment 1:
Such as Fig. 1, cylinder 1 is annular cylinder, along even circumferential four slide blocks 2 are set on the cylinder 1, cylinder 1 is separated into 4 working rooms, be provided with piston 3, intake valve 6 and exhaust valve 7 in each working room, cylinder 1 is formed by the merging of two halves casing wall, fixes in the sealing applying of the place, outer of cylindrical and with bolt, offer an annulus on the inner circle of cylinder 1 casing wall, the annulus place arranges seal arrangement 9; Piston rod 4 is connected with piston 3 by the space of annulus, and the other end is connected with the main power shaft 5 that is positioned at annular center; Be provided with fuel injector igniter 8 on the slide block 2; Piston 3 tops have air vent c one, and length is half of top length; The left side is provided with firing chamber a, and the middle part is provided with compressed gas storage chamber b, is provided with firing chamber suction valve m between firing chamber a and the compressed gas storage chamber b, and compressed gas storage chamber b is provided with automatic admission valve n.
Present embodiment adopts computer control, and slide block 2, intake valve 6, exhaust valve 7 and firing chamber suction valve m control by computer.Slide block 2 is identical inclined-plane, angle of inclination with the side of piston 3, and slide block 2 bottoms are identical with the radian at piston 3 tops.Exhaust valve 7 left sides are 1/2nd of piston 3 top length to the distance in slide block 2 left sides.Seal arrangement 9 is sealed in piston 3 in the cylinder 1, and with piston 3, piston rod 4 rotations.
In the present embodiment, piston 3 has 4, and mutual spacing is identical, and piston 3 is done clockwise motion in cylinder.Piston 3 is movement process such as Fig. 4 during through slide block 2, and when each piston 3 moved to spacing with slide block 2 and is 0, slide block 2 moved upward, piston 3 continues motion simultaneously, because the existence on inclined-plane, if take piston 3 as object of reference, can regard slide block 2 as and move upward along the inclined-plane of piston 3; When moving to slide block 2 bottoms and piston 3 tops and maintain an equal level, slide block 2 stop motions, piston 3 keeps its motion, and the bottom connection of top and slide block 2 touches and forms and seals; Move to the moment that its top and slide block 2 bottoms disengage at piston 3, slide block 2 moves downward until slide block 2 is got back to initial position, moves downward along the inclined-plane of piston 3 if this process, can be regarded slide block 2 as take piston 3 as object of reference.
The open and close of set automatic admission valve n on the piston 3, determined by the pressure difference that enters automatic admission valve n both sides, only have when gas pressure intensity in the automatic admission valve n rightward space greater than compressed gas storage chamber b in barometric pressure of gas pressure intensity when above, just can open, otherwise be in closed condition.
The working procedure of a circulation of present embodiment is as follows, and the working state of 4 pistons 3 is identical at any time, and will finish 2 air-breathing, compressions, acting and exhaust stroke each one week of piston movement.
As shown in Figure 7, piston 3 begins to do exercises clockwise from shown position, and be full of air in the cylinder 1 this moment, intake valve 6 is opened, and exhaust valve 7 cuts out, and compresses the air of its front space during piston 3 motion, automatic admission valve n opens, and gas enters compressed gas storage chamber b; And the rear space of piston 3 motions begins air-breathing.4 pistons 3 carry out suction stroke and the compression stroke for the first time first time simultaneously.
When piston 3 moves to slide block 2 left side for the first time, compression stroke finishes for the first time, slide block 2 moves upward, automatic admission valve n closes, be full of pressurized gas among the b of compressed gas storage chamber, then piston 3 moves to slide block 2 right sides through slide block 2, and intake valve 6 is closed, and suction stroke finishes for the first time.
Move to position shown in Figure 8, at this moment, be full of air in the cylinder 1, firing chamber suction valve m opens rapidly, and high temperature and high pressure gas pours at a high speed firing chamber a, when firing chamber a air pressure is identical with compressed gas storage chamber b air pressure, firing chamber suction valve m closes rapidly, and then fuel injector igniter 8 is started working, and expansion stroke begins for the first time, combustion gas pushing piston 3 continues motion, compresses the gas in its place ahead during piston 3 motion.4 pistons 3 carry out simultaneously the first time expansion stroke with compression stroke for the second time.
When piston 3 applied to slide block 2 left side for the second time, compression stroke finished for the second time,, automatic admission valve n opens, and compressed air enters compressed gas storage chamber b, and then piston 3 moves to slide block 2 right sides through slide block 2, and expansion stroke finishes for the first time.
Move to position shown in Figure 9, be full of waste gas in the cylinder 1 this moment, exhaust valve 7 is opened, firing chamber suction valve m opens, compressed gas storage chamber b and firing chamber a UNICOM, firing chamber suction valve m closes rear fuel injector igniter 8 and starts working, and expansion stroke begins for the second time, and piston 3 begins the waste gas in the cylinder 1 is discharged simultaneously.4 pistons 3 are done for the second time expansion stroke and the exhaust stroke first time simultaneously.
When piston 3 moved to slide block 2 left side for the third time, exhaust valve 7 was still opened, and exhaust stroke finishes for the first time, and then piston 3 moves to slide block 2 right sides through slide block 2, and expansion stroke finishes for the second time.
Move to position shown in Figure 10, this moment, cylinder 1 was full of waste gas, and intake valve 6 is opened, 7 of exhaust valves are so opened, and piston 3 relies on inertia to continue motion, and the waste gas in motion the place ahead is discharged, exhaust stroke begins for the second time, and while piston 3 motion rears begin air-breathing, and suction stroke begins for the second time.4 pistons 3 are done for the second time suction stroke and the exhaust stroke second time simultaneously.
When piston 3 moved to slide block 2 left side the 4th time, exhaust stroke finished for the second time, and then piston 3 moves to slide block 2 right sides through slide block 2, and suction stroke finishes for the second time, and exhaust valve 7 cuts out, and gets back to Fig. 7 state.
Embodiment 2:
The stock of piston control mechanism 10, valve control machanism 11 and slide block control mechanism 12 all can only move along its length, and the degrees of freedom of other directions is restrained.
The working cycle process of present embodiment and embodiment's 1 the same no longer repetition.
Claims (9)
1. internal-combustion piston engine, comprise cylinder (1), piston (3), piston rod (4), main power shaft (5), intake valve (6), exhaust valve (7) and fuel injector igniter (8), it is characterized in that: cylinder (1) is annular cylinder, cylinder (1) is upper to arrange four with top slide block (2) along even circumferential, cylinder (1) is separated into four above working rooms, and each working room is provided with intake valve (6), exhaust valve (7) and piston (3); Piston (3) left side is provided with firing chamber (a), and the middle part is provided with compressed gas storage chamber (b); Be provided with firing chamber suction valve (m) between firing chamber (a) and compressed gas storage chamber (b), controlled by control system; Compressed gas storage chamber (b) is provided with automatic admission valve (n); One end of piston rod (4) is connected with piston (3), and the other end is connected with the main power shaft (5) of annular center; Be provided with fuel injector igniter (8) on the slide block (2); The work of intake valve (6), exhaust valve (7) and slide block (2) is controlled by control system.
2. internal-combustion piston engine according to claim 1 is characterized in that: it is half air vent (c) of top length that piston (3) top has one length.
3. internal-combustion piston engine according to claim 1, it is characterized in that: slide block (2) is identical inclined-plane, angle of inclination with the side of piston (3), slide block (2) bottom is identical with piston (3) top radian.
4. internal-combustion piston engine according to claim 1, it is characterized in that: cylinder (1) is formed by the merging of two halves casing wall, fix in the sealing applying of the place, outer of cylindrical and with bolt, offer an annulus on the inner circle of cylinder (1) casing wall, the annulus place arranges seal arrangement (9).
5. internal-combustion piston engine according to claim 4, it is characterized in that: seal arrangement (9) is sealed in piston (3) in the cylinder (1), and with piston (3), piston rod (4) rotation.
6. internal-combustion piston engine according to claim 1 is characterized in that: exhaust valve (7) left side is 1/2nd of piston (3) top length to the spacing on the left of the adjacent sliders (2).
7. internal-combustion piston engine according to claim 1, it is characterized in that: control system is computerized control system, disposes computer control panel (x).
8. internal-combustion piston engine according to claim 1, it is characterized in that: control system is Machinery Control System, disposes piston control mechanism (10), valve control machanism (11) and slide block control mechanism (12); Main power shaft (5) is provided with cross top board (14), circular cam (16), intake valve control cam (17), exhaust valve control cam (18) and slide block control cam (19); Wherein cross top board (14) is connected 5 with main power shaft) between adopt flat key to connect, and stretch out convex one side that push rod (15) withstands on circular cam (16), circular cam (16) is fixed on the internal-combustion engine housing.
9. internal-combustion piston engine according to claim 8, it is characterized in that: piston control mechanism (10) is installed on the piston rod (4), one end connects firing chamber suction valve (m), and the other end relies on valve spring (13) to withstand on the cross mandrel plate (14); Valve control machanism (11) one ends connect intake valve (6) or exhaust valve (7), and the other end withstands on intake valve control cam (17) or the exhaust valve control cam (18); Slide block control mechanism (12) is linkage mechanism, and an end connection sliding block (2), the other end rely on sliding block spring (20) to withstand on the slide block control cam (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101368835A CN102305130B (en) | 2011-05-25 | 2011-05-25 | Piston type internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101368835A CN102305130B (en) | 2011-05-25 | 2011-05-25 | Piston type internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN102305130A CN102305130A (en) | 2012-01-04 |
| CN102305130B true CN102305130B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101368835A Expired - Fee Related CN102305130B (en) | 2011-05-25 | 2011-05-25 | Piston type internal combustion engine |
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| Country | Link |
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| CN (1) | CN102305130B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725182A (en) * | 2016-08-12 | 2018-02-23 | 黄勃 | Ring type engine |
| CN111472882A (en) * | 2020-05-27 | 2020-07-31 | 朱永明 | Regular round rotor lever type rotary engine |
| CN113530668A (en) * | 2021-08-18 | 2021-10-22 | 蒙毓江 | Circumferential air passage engine |
| WO2024103592A1 (en) * | 2022-11-14 | 2024-05-23 | 郑康明 | Internal combustion engine provided with rocker arms |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030120A (en) * | 1987-06-23 | 1989-01-04 | 湖南省华容县人民政府侨务办公室 | One-way rotary piston internal combustion engine |
| EP0416977A1 (en) * | 1989-09-06 | 1991-03-13 | Raynald Boyer | Rotary combustion engine |
| CN2184786Y (en) * | 1993-12-15 | 1994-12-07 | 李忠海 | Ring type cylinder oppositely located piston engine |
| CN2374650Y (en) * | 1999-06-16 | 2000-04-19 | 孟志强 | Arc cylinder butt-plug I. C. engine |
| CN1621670A (en) * | 2004-09-29 | 2005-06-01 | 钟敏唯 | Enhancement type polynary rotating highly effective internal combustion engine |
| CN202065058U (en) * | 2011-05-25 | 2011-12-07 | 郭革委 | Piston type internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090076224A (en) * | 2008-01-08 | 2009-07-13 | 임해문 | Rotary engine |
-
2011
- 2011-05-25 CN CN2011101368835A patent/CN102305130B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030120A (en) * | 1987-06-23 | 1989-01-04 | 湖南省华容县人民政府侨务办公室 | One-way rotary piston internal combustion engine |
| EP0416977A1 (en) * | 1989-09-06 | 1991-03-13 | Raynald Boyer | Rotary combustion engine |
| CN2184786Y (en) * | 1993-12-15 | 1994-12-07 | 李忠海 | Ring type cylinder oppositely located piston engine |
| CN2374650Y (en) * | 1999-06-16 | 2000-04-19 | 孟志强 | Arc cylinder butt-plug I. C. engine |
| CN1621670A (en) * | 2004-09-29 | 2005-06-01 | 钟敏唯 | Enhancement type polynary rotating highly effective internal combustion engine |
| CN202065058U (en) * | 2011-05-25 | 2011-12-07 | 郭革委 | Piston type internal combustion engine |
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| CN102305130A (en) | 2012-01-04 |
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Effective date of registration: 20171122 Address after: 553525 Liupanshui City, Guizhou, Panxian chicken farm Patentee after: Guizhou Chuang Neng Technology Co., Ltd. Address before: 553525 Liupanshui City, Guizhou, Panxian chicken farm Patentee before: Guo Gewei |
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Granted publication date: 20130123 Termination date: 20180525 |