CN117469023A - Coated triangular rotor piston and rotor engine - Google Patents
Coated triangular rotor piston and rotor engine Download PDFInfo
- Publication number
- CN117469023A CN117469023A CN202311825643.5A CN202311825643A CN117469023A CN 117469023 A CN117469023 A CN 117469023A CN 202311825643 A CN202311825643 A CN 202311825643A CN 117469023 A CN117469023 A CN 117469023A
- Authority
- CN
- China
- Prior art keywords
- rotor body
- triangular rotor
- triangular
- heat
- sealing grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 230000037452 priming Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 20
- 239000010410 layer Substances 0.000 abstract description 40
- 239000002344 surface layer Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 18
- 239000000295 fuel oil Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 9
- 239000002826 coolant Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229910001141 Ductile iron Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- FGCGALPUFOSDIE-UHFFFAOYSA-N chromium nickel Chemical compound [Cr][Ni][Cr] FGCGALPUFOSDIE-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
- F02B55/04—Cooling thereof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a coated triangular rotor piston and a rotor engine, which comprise a cylinder body, wherein end covers are arranged on the front side and the rear side of the cylinder body, the end covers are provided with rotatable eccentric shafts, a triangular rotor body is arranged on the eccentric shafts, a priming layer is arranged on the outer surface of the triangular rotor body, and a heat preservation layer is arranged on the priming layer. According to the invention, the special priming layer and the special heat preservation layer are used on the surface of the triangular rotor body, so that the surface of the triangular rotor body has smaller heat conductivity coefficient and conductivity, and heat generated by fully burning mixed gas in a closed space formed by the front end cover, the rear end cover, the rotor and the cylinder body is converted into mechanical work of the eccentric shaft as much as possible, so that the heat efficiency is effectively improved, the oil consumption and the energy waste are reduced, and in particular, the heat preservation layer attached to the surface layer of the triangular rotor body can prevent heat from being transferred to the rotor body, so that less heat generated by fuel burning is taken away by cooling mediums in the rotor, and the heat efficiency of the triangular rotor engine is further improved.
Description
Technical Field
The invention relates to the technical field of triangular rotors and rotor engines, in particular to a coated triangular rotor piston and a coated triangular rotor engine.
Background
Comparison of rotorcraft with conventional reciprocating engines: both reciprocating and rotary engines rely on the expansion pressure created by the combustion of an air-fuel mixture to obtain rotational force. The mechanism difference between the two engines is the way in which the expansion pressure is used. In a reciprocating engine, the expansion pressure generated at the top surface of the piston pushes the piston downward, and mechanical force is transmitted to the connecting rod, which drives the crankshaft to rotate. A rotary engine, for which the expansion pressure acts on the side of the rotor. Thereby pushing the triangular rotor to rotate, and driving the eccentric shaft to rotate while the triangular rotor rotates, so as to output power.
The existing rotor engine triangular rotor is made of spheroidal graphite cast iron or alloy, and the defects of the material are as follows:
first: the heat absorption is high, and spheroidal graphite cast iron or alloy is easier to absorb the heat released by fossil fuel from the combustion chamber, so that energy waste is caused;
second,: the heat conductivity is high, the spheroidal graphite cast iron or the alloy is a better heat conductor, and the spheroidal graphite cast iron or the alloy is easy to exchange heat with surrounding substances.
Third,: the cold start performance is poor, because the characteristics that the thermal conductivity is high, the heat that absorbs from the gas mixture of burning is very easily taken away by cooling medium during cold start, leads to the rotor surface's temperature to rise very slowly during engine cold start, can't make the fuel that spouts rotor combustion chamber pit surface gasify in time, can't form good gas mixture.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a coated delta rotor piston and rotary engine comprising: the cylinder body, the end cover is installed to both sides around the cylinder body, and the end cover is provided with rotatable eccentric shaft, installs the triangle rotor body on the eccentric shaft, and the surface of triangle rotor body is provided with the priming layer, is provided with the heat preservation on the priming layer, and the triangle rotor body is including: the number of the first sealing grooves is multiple, the front end face and the rear end face of the triangular rotor body are symmetrically arranged, and the first sealing grooves are uniformly arranged on three inner edges of the triangular rotor body along the movement direction; the number of the second sealing grooves is multiple, the front end face and the rear end face of the triangular rotor body are symmetrically arranged, and the second sealing grooves are arranged at the intersection positions of two adjacent first sealing grooves; the plurality of first sealing grooves are arranged in parallel with the edge direction of the triangular rotor body, the number of the first sealing grooves is the same as that of the second sealing grooves, the number of the third sealing grooves is a plurality of, and the plurality of the third sealing grooves are arranged at the position of the top angle of the triangular rotor body; the utility model discloses a cylinder body, including the triangular rotor body, a plurality of third seal grooves, a plurality of third seal groove openings, a plurality of fin, a plurality of second seal grooves, a plurality of spark plugs are installed to the inside second seal groove position department that is close to of triangular rotor body, a plurality of second seal grooves deviate from the triangular rotor body central point department and have seted up the opening, install the bearing on the eccentric shaft, the bearing sets up between eccentric shaft and triangular rotor body, the intake duct of letting in air has been seted up to cylinder body one side, cylinder body one side is close to intake duct position department and has been seted up the exhaust duct that discharges the inside back gas of burning of cylinder body, the cylinder body opposite side is kept away from intake duct position department and has been installed the spark plug.
Compared with the prior art, the invention has the following advantages:
1. the fuel oil is mixed with air entering from the air inlet channel through the fuel oil injector in the engine fuel oil system to form mixed gas, then the mixed gas enters the combustion chamber, a part of fuel oil can be in contact with the surface layer of the triangular rotor body due to the action of inertia, further, the surface layer of the triangular rotor body is provided with a special priming layer and a heat preservation layer, so that the surface layer of the triangular rotor body has enough heat storage capacity, enough heat can be absorbed from the burnt mixed gas, the heat efficiency is further effectively improved, the fuel consumption and the energy waste are reduced, and particularly, the fuel oil attached to the surface layer of the triangular rotor body can absorb the heat of the heat preservation layer to gasify, and a thicker mixed gas is formed on the surface, so that the cold starting performance of the triangular rotor body is improved.
2. The special heat preservation layer is used on the surface of the triangular rotor body, so that the surface layer of the triangular rotor body has lower heat conduction coefficient, heat in the mixed gas after combustion can be blocked, heat exchange is carried out between the cooling medium and the cooling fin on the triangular rotor body, and therefore the heat efficiency of the triangular rotor body is effectively improved, and the energy waste is reduced.
3. The special priming layer is used on the surface of the triangular rotor body, so that the triangular rotor body and the heat insulation layer are bonded, the bonding force between the triangular rotor body and the heat insulation layer can be enhanced, and the heat insulation layer is not easy to fall off; meanwhile, the bottom layer is also a substance with good heat conductivity, heat transferred by the heat preservation layer can be timely transferred to the triangular rotor body, the temperature of the heat preservation layer is reduced, and pre-combustion and knocking are prevented when the mixed gas burns.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic diagram of the structure of the delta rotor body according to the present embodiment;
fig. 3 is a schematic diagram of the distribution structure of the primer layer and the heat insulation layer in this embodiment.
Reference numerals: 1. a cylinder; 2. an eccentric shaft; 3. a triangular rotor body; 31. a first seal groove; 32. a second seal groove; 33. a third seal groove; 34. a heat sink; 35. a bottom layer is formed; 36. a heat preservation layer; 4. a bearing; 5. an air inlet channel; 6. an exhaust passage; 7. a spark plug; 8. an end cap.
Detailed Description
The invention is described in further detail below with reference to fig. 1 to 3.
A coated delta rotary piston and rotary engine as shown in figures 1 to 3, the engine comprising: the cylinder body 1, the triangular rotor body 3, the eccentric shaft 2 and the end cover 8, specifically, the end cover 8 is divided into a front end cover 8 and a rear end cover 8, further, the eccentric shaft 2 is installed in the center rotation of the opposite side of the front end cover 8 and the rear end cover 8, specifically, the cylinder body 1, the triangular rotor body 3 and the end cover 8 form a closed combustion chamber together, the triangular rotor body 3 is arranged on the eccentric shaft 2, the bottom layer 35 is arranged on the outer surface of the triangular rotor body 3, the heat insulation layer 36 is arranged on the bottom layer 35, and the triangular rotor body 3 comprises: the number of the first sealing grooves 31 is a plurality, the front end face and the rear end face of the triangular rotor body 3 are symmetrically arranged, and the three inner edges of the triangular rotor body 3 are evenly arranged along the movement direction. The direction of seting up of a plurality of first seal grooves 31 is parallel with triangle rotor body 3 border direction, further improves the sealed effect of combustion chamber, prevents effectively that the gas mixture in the combustion chamber from revealing, improves the combustion effect of combustion chamber, and second seal groove 32, quantity are a plurality of, and triangle rotor body 3 front and back both ends face symmetrical arrangement setups in the crossing position department of two adjacent first seal grooves 31. The second seal grooves 32 are provided with openings at positions away from the center of the triangular rotor body 3. The first seal groove 31, the second seal groove 32, and the number are the same. The number of third seal grooves 33 is plural, and the third seal grooves are formed at the vertex angle position of the triangular rotor body 3. The number of the radiating fins 34 is plural, and the radiating fins are uniformly arranged in the triangular rotor body 3 at positions close to the second sealing groove 32. Through the first seal groove 31, the second seal groove 32 and the third seal groove 33 that set up, a plurality of third seal groove 33 one side sets up in the open position department of second seal groove 32, and a plurality of third seal groove 33 open orientation deviates from triangle rotor body 3 central point department, and then forms the enclosed region, and then improves the sealed effect of combustion chamber, effectively prevents that the gas mixture in the combustion chamber from revealing, improves the combustion effect of combustion chamber. The eccentric shaft 2 is provided with a bearing 4, the bearing 4 is arranged between the eccentric shaft 2 and the triangular rotor body 3, in particular, the triangular rotor body 3 is connected with the eccentric shaft 2 through the bearing 4, the two can move relatively, one side of the cylinder body 1 is provided with an air inlet channel 5 for introducing air, one side of the cylinder body 1 is provided with an exhaust channel 6 for discharging the air inside the cylinder body 1 near the position of the air inlet channel 5, and the other side of the cylinder body 1 is provided with a spark plug 7 far away from the position of the air inlet channel 5.
The fuel oil is mixed with air entering from the air inlet passage 5 through the fuel injector in the engine fuel oil system to form mixed gas, then the mixed gas enters the combustion chamber, a part of fuel oil can be in contact with the surface layer of the triangular rotor body 3 due to the action of inertia, further, the surface layer of the triangular rotor body 3 is provided with a special priming layer 35 and a heat preservation layer 36, so that the surface layer of the triangular rotor body 3 has enough heat storage capacity, enough heat can be absorbed from the burnt mixed gas, the heat efficiency of the triangular rotor body 3 is effectively improved, the fuel oil consumption and the energy waste are reduced, and particularly, the fuel oil attached to the surface layer of the triangular rotor body 3 can absorb the heat of the heat preservation layer 36 to gasify, and a thicker mixed gas is formed on the surface, so that the cold starting performance of the triangular rotor body 3 is improved.
Example 1
The base layer 35 may be made of a high melting point metal, such as molybdenum or tungsten, which has a high heat content in a molten state, or a composite powder material, such as Ni-AL powder, which has an exothermic property, and which undergoes an exothermic reaction between Ni and AL during thermal spraying, and this reaction may still last for 0.003-0.005s after the powder particles reach the base surface, and is easily subjected to heat exchange with surrounding materials, so that a strong micro-metallurgical bond is generated between the heat insulation layer 36 and the surface layer of the delta-rotor body 3.
The special priming layer 35 is used on the surface of the triangular rotor body 3 to play a role in bonding the triangular rotor body 3 and the heat insulation layer 36, so that the bonding force between the triangular rotor body 3 and the heat insulation layer 36 can be enhanced, and the heat insulation layer 36 is not easy to fall off; meanwhile, the bottom layer 35 is also a substance with good heat conductivity, so that heat transferred by the heat preservation layer 36 can be timely transferred to the triangular rotor body 3, the temperature of the heat preservation layer 36 is reduced, and pre-ignition and knocking are prevented when the mixed gas burns.
Example two
The heat insulating layer 36 may be made of ceramics with low thermal conductivity, such as aluminum oxide, zirconium oxide, nickel chromium-chromium carbide, etc., and has low thermal conductivity, so that the heat of the mixed gas in the combustion chamber can be blocked from being transferred to the triangular rotor body 3 and then taken away by the cooling medium, thereby improving the thermal efficiency.
The special heat preservation layer 36 is used on the surface of the triangular rotor body 3, so that the surface layer of the triangular rotor body 3 has a lower heat conduction coefficient, heat in the mixed gas after combustion can be blocked, heat exchange is carried out between the cooling medium and the cooling fin 34 on the triangular rotor body 3, the heat efficiency of the triangular rotor body 3 is further effectively improved, and energy waste is reduced.
Example III
The triangular rotor body 3 and the eccentric shaft 2 are provided with cooling medium channels, the cooling medium enters the front end cover after passing through the channels formed by the triangular rotor body 3 and the eccentric shaft 2, the rear end cover, the moving part and the front end cover form a passage, and the inside of the front end cover also comprises the channels.
The present embodiment is merely illustrative of the invention and is not intended to limit the invention, and those skilled in the art, after having read the present specification, may make modifications to the embodiment without creative contribution as required, but are protected by patent laws within the protection scope of the present invention.
Claims (1)
1. A coated delta rotor piston and rotary engine comprising: the cylinder body (1), both sides are installed around cylinder body (1) end cover (8), end cover (8) are provided with eccentric shaft (2) that can rotate, install triangle rotor body (3) on eccentric shaft (2), the surface of triangle rotor body (3) is provided with priming layer (35), be provided with heat preservation (36) on priming layer (35), triangle rotor body (3) are including: the number of the first sealing grooves (31) is multiple, the front end face and the rear end face of the triangular rotor body (3) are symmetrically arranged, and the three inner edges of the triangular rotor body (3) are uniformly arranged along the movement direction; the number of the second sealing grooves (32) is multiple, the front end face and the rear end face of the triangular rotor body (3) are symmetrically arranged, and the triangular rotor body is arranged at the intersection position of two adjacent first sealing grooves (31); the opening directions of the plurality of first sealing grooves (31) are parallel to the edge direction of the triangular rotor body (3), the number of the first sealing grooves (31) and the number of the second sealing grooves (32) are the same, the number of the third sealing grooves (33) is a plurality, and the plurality of third sealing grooves are formed at the vertex angle position of the triangular rotor body (3); a plurality of third seal groove (33) one side sets up the open position department of second seal groove (32), and a plurality of third seal groove (33) opening orientation deviates from triangle rotor body (3) central point puts department, fin (34), and quantity is a plurality of, evenly sets up triangle rotor body (3) are inside to be close to second seal groove (32) position department, a plurality of second seal groove (32) deviate from triangle rotor body (3) central point put department and have been seted up the opening, install bearing (4) on eccentric shaft (2), bearing (4) set up eccentric shaft (2) with between triangle rotor body (3), intake duct (5) of letting in air have been seted up to cylinder body (1) one side, cylinder body (1) one side is close to intake duct (5) position department has been seted up and has been discharged exhaust duct (6) of cylinder body (1) inside burning back gas, cylinder body (1) opposite side is kept away from intake duct (5) position department installs spark plug (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825643.5A CN117469023A (en) | 2023-12-28 | 2023-12-28 | Coated triangular rotor piston and rotor engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825643.5A CN117469023A (en) | 2023-12-28 | 2023-12-28 | Coated triangular rotor piston and rotor engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117469023A true CN117469023A (en) | 2024-01-30 |
Family
ID=89638274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311825643.5A Pending CN117469023A (en) | 2023-12-28 | 2023-12-28 | Coated triangular rotor piston and rotor engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117469023A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2009885A1 (en) * | 1968-05-14 | 1970-02-13 | Krebsoege Gmbh Sintermetall | |
| US3833321A (en) * | 1973-07-05 | 1974-09-03 | Ford Motor Co | Wear-resistant coating for rotary engine side housing and method of making |
| US3888746A (en) * | 1974-01-04 | 1975-06-10 | Ford Motor Co | Method of providing an intermediate steel layer for chrome plating on rotor housings |
| DE3519186A1 (en) * | 1984-12-24 | 1986-12-04 | Josef 5000 Köln Pappert | Improvement to the rotary engine (Wankel engine) |
| JPS6285129A (en) * | 1985-10-11 | 1987-04-18 | Mazda Motor Corp | Rotor for rotary piston engine |
| JPS63253118A (en) * | 1987-04-07 | 1988-10-20 | Mazda Motor Corp | Rotor for rotary piston engine |
| CN2752442Y (en) * | 2004-01-05 | 2006-01-18 | 宋春 | Rotor type engine |
| CN1898457A (en) * | 2004-04-06 | 2007-01-17 | 帕拉维斯股份公司 | Rotary-piston engine and vehicle comprising an engine of this type |
| CA2830653A1 (en) * | 2011-03-29 | 2012-10-04 | Liquidpiston, Inc. | Cycloid rotor engine |
| CN105257399A (en) * | 2015-10-19 | 2016-01-20 | 泰州市科诚汽车零配件有限公司 | Automobile engine powder metallurgy rotor and manufacturing methods thereof |
| CN107532475A (en) * | 2015-03-10 | 2018-01-02 | 液体活塞公司 | The epitrochoid rotating engine of high power density and efficiency |
| KR102278846B1 (en) * | 2020-03-27 | 2021-07-19 | 엘지전자 주식회사 | A rotary engine |
| CN214533208U (en) * | 2021-01-14 | 2021-10-29 | 浙江马锐动力机械有限公司 | Rotor engine cylinder |
| US11333068B1 (en) * | 2021-03-23 | 2022-05-17 | Pratt & Whitney Canada Corp. | Side wall for rotary engine housing |
| CN115075940A (en) * | 2022-07-26 | 2022-09-20 | 洛阳北方企业集团有限公司 | Low-cost lightweight triangular rotor part for aeroengine |
-
2023
- 2023-12-28 CN CN202311825643.5A patent/CN117469023A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2009885A1 (en) * | 1968-05-14 | 1970-02-13 | Krebsoege Gmbh Sintermetall | |
| GB1210988A (en) * | 1968-05-14 | 1970-11-04 | Krebsoege Gmbh Sintermetall | Improvements in rotary piston engines and methods of making them |
| US3833321A (en) * | 1973-07-05 | 1974-09-03 | Ford Motor Co | Wear-resistant coating for rotary engine side housing and method of making |
| US3888746A (en) * | 1974-01-04 | 1975-06-10 | Ford Motor Co | Method of providing an intermediate steel layer for chrome plating on rotor housings |
| DE3519186A1 (en) * | 1984-12-24 | 1986-12-04 | Josef 5000 Köln Pappert | Improvement to the rotary engine (Wankel engine) |
| JPS6285129A (en) * | 1985-10-11 | 1987-04-18 | Mazda Motor Corp | Rotor for rotary piston engine |
| JPS63253118A (en) * | 1987-04-07 | 1988-10-20 | Mazda Motor Corp | Rotor for rotary piston engine |
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| WO2012135556A2 (en) * | 2011-03-29 | 2012-10-04 | Liquidpiston, Inc. | Cycloid rotor engine |
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| CN107532475A (en) * | 2015-03-10 | 2018-01-02 | 液体活塞公司 | The epitrochoid rotating engine of high power density and efficiency |
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| KR102278846B1 (en) * | 2020-03-27 | 2021-07-19 | 엘지전자 주식회사 | A rotary engine |
| CN214533208U (en) * | 2021-01-14 | 2021-10-29 | 浙江马锐动力机械有限公司 | Rotor engine cylinder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20240130 |
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