WO2020233341A1 - 一种带有涡流室的转子发动机 - Google Patents

一种带有涡流室的转子发动机 Download PDF

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WO2020233341A1
WO2020233341A1 PCT/CN2020/086586 CN2020086586W WO2020233341A1 WO 2020233341 A1 WO2020233341 A1 WO 2020233341A1 CN 2020086586 W CN2020086586 W CN 2020086586W WO 2020233341 A1 WO2020233341 A1 WO 2020233341A1
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rotary engine
connecting rod
piston
cam
chamber
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PCT/CN2020/086586
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English (en)
French (fr)
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范宝伟
王远光
潘剑锋
李宗男
曾永豪
张耀元
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江苏大学
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Publication of WO2020233341A1 publication Critical patent/WO2020233341A1/zh

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    • 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
    • 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
    • F02B55/14—Shapes or constructions of combustion chambers
    • 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
    • F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
    • F02B2053/005—Wankel engines
    • 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

Definitions

  • the invention relates to the field of rotary engines, in particular to a rotary engine with a swirl chamber.
  • Wankel rotary engine As a new type of engine, Wankel rotary engine has the advantages of simple structure, high power-to-weight ratio and stable operation due to its special structure and operation mode. But it is undeniable that the special movement mode of the Wankel rotary engine will also bring the following two congenital defects, which are also the main factors restricting the further development of the rotary engine. The two defects are:
  • the rotor of the Wankel rotary engine rotates in one direction, which causes the airflow in the cylinder to move with the direction of rotation of the rotor, that is to say, the airflow inside the combustion chamber is unidirectional as a whole, so The lack of turbulence and tumble flow in the cylinder, which in turn causes the fuel to be difficult to atomize and mix in the combustion chamber lacking vortex and tumble flow.
  • Wankel rotary engine results in a very long and narrow combustion chamber, and the traditional Wankel rotary engine generally uses spark plug ignition, while the single point ignition mode of spark plug ignition will result in a long and narrow combustion chamber The flame propagation distance is too long.
  • the above two defects are the main factors restricting the improvement of the combustion efficiency of the Wankel rotary engine.
  • the present invention provides a rotary engine with a swirl chamber.
  • the swirl chamber can improve the flow field structure inside the combustion chamber, thereby improving the fuel atomization, diffusion and combustion process in the combustion chamber, and finally The combustion efficiency of the rotary engine is improved.
  • the present invention achieves the above technical objectives through the following technical means.
  • a rotary engine with a vortex chamber includes a rotary engine, a friction wheel mechanism and a vortex chamber.
  • the input end of the friction wheel mechanism is connected to the shaft of the rotary engine.
  • the bottom of the rotary engine is provided with a vortex chamber communicating with the combustion chamber,
  • a piston connecting rod is provided in the vortex chamber, and the piston connecting rod is connected to the output end of the friction wheel mechanism through a lever mechanism.
  • the friction wheel mechanism causes the piston connecting rod to reciprocate in the vortex chamber to generate vortex and tumble flow in the combustion chamber.
  • the vortex chamber includes a piston cylinder, a piston and a piston connecting rod; the piston cylinder is mounted on the rotary engine housing, the air inlet of the piston cylinder is connected to the combustion chamber, and the piston is provided in the piston cylinder, The piston connecting rod connects the piston and the lever mechanism.
  • the piston cylinder has a rod cavity with an end cover, the end cover is provided with a first boss, the piston connecting rod is provided with a second boss, the first boss and the second boss There is a spring in between.
  • the friction wheel mechanism includes a roller and a cam, the roller is connected with a shaft, the cam is connected with a lever mechanism, and the roller is connected with a cam high pair, and the lever mechanism is linearly reciprocated by rotating the cam.
  • the lever mechanism includes a cam mounting frame, a slideway, and a first connecting rod.
  • the cam mounting frame is used to support the cam.
  • the cam mounting frame is connected to one end of the first link through the slideway and connected to one end of the first connecting rod. The movement causes the cam mounting frame to move linearly in the slideway; the other end of the first connecting rod is connected with the piston connecting rod rotating pair, and the first connecting rod is provided with a lever hinge point.
  • the rotary engine is a Wankel rotary engine
  • the friction wheel mechanism has a transmission ratio of 2:1, which is used to cause the piston connecting rod to move up and down in the vortex chamber twice during the compression stroke to generate a vortex.
  • control system ECU controls the opening and closing of the control valve according to the rotation angle of the shaft.
  • the one-way flow in the combustion chamber can be changed through the swirl chamber, so that violent vortex and tumble flow appear in the combustion chamber, thereby improving the fuel atomization, diffusion and combustion in the combustion chamber. burning process.
  • the swirl chamber and the combustion chamber are connected by a pipe, and the end of the pipe is equipped with a valve, which can be precisely controlled by the control system ECU.
  • the control system ECU is used to control the valve. Through the control system ECU, the opening and closing time of the valve can be changed according to the requirements of different engine operating conditions.
  • Figure 1 is a structural diagram of a rotary engine with a swirl chamber according to the present invention.
  • Fig. 2 is a front view of the rotary engine with swirl chamber according to the present invention.
  • Figure 3 is a cross-sectional view of the rotary engine with a swirl chamber according to the present invention.
  • the rotary engine with a swirl chamber includes a rotary engine 1, a friction wheel mechanism 2 and a vortex chamber 3.
  • the rotary engine 1 is a Wankel rotary engine, and the Wankel rotary engine is an existing well-known engine, and the specific structure is not described.
  • the present invention only adds an air hole 15 below the combustion chamber as shown in FIG. 3.
  • the air hole 15 communicates with the vortex chamber 3 through a circular pipe 16, so that combustible gas is sent into the vortex chamber 3 through the circular pipe 16.
  • the swirl chamber 3 includes a piston cylinder 7, a piston 17, and a piston connecting rod 20; the piston cylinder 7 is mounted on the housing of the rotary engine 1, and the air inlet of the piston cylinder 7 In communication with the combustion chamber, the piston cylinder 7 is provided with a piston 17 and the piston connecting rod 20 connects the piston 17 and the lever mechanism.
  • the piston cylinder 7 has a rod cavity provided with an end cover 10, the end cover 10 is provided with a first boss 19, the piston connecting rod 20 is provided with a second boss 21, the first boss 19 A spring 11 is provided between the second boss 21. The extension and contraction of the spring are related to the up and down movement of the piston 17, the piston 17 moves up, the spring 11 is compressed, and the piston 17 moves down and the spring 11 is stretched.
  • the friction wheel mechanism 2 includes a roller 5 and a cam 6, the roller 5 is connected to the shaft 4, the cam 6 is connected to the lever mechanism, the roller 5 is connected to the cam 6 and the high pair is connected by the cam 6 to rotate
  • the lever mechanism reciprocates linearly.
  • the lever mechanism includes a cam mounting frame 8, a slideway 9 and a first connecting rod 12.
  • the cam mounting frame 8 is used to support the cam 6, and the cam mounting frame 8 rotates with one end of the first connecting rod 12 through the slideway 9
  • the auxiliary connection is to make the cam mounting frame 8 move linearly in the slideway 9 through the movement of the cam 6; the other end of the first connecting rod 12 is connected to the piston connecting rod 20 in rotation, and the middle of the first connecting rod 12 is connected to the One end of the two connecting rods 13 is hinged, and the other end of the second connecting rod 13 is connected with the engine 1 housing, so that the first connecting rod 12 becomes a lever structure with the center as a support point, ensuring that the left and right ends of the connecting rod can move up and down.
  • the ratio of the linear velocity of the roller 5 to the cam 6 can be changed to achieve the effect of making the piston 17 move up and down multiple times under different working conditions.
  • the present invention takes 2:1, that is, the roller 5 makes one revolution, and the cam After 6 turns for two times, the piston 17 moves up and down twice. Since the Wankel rotor of the Wankel rotary engine makes one revolution, the shaft 4 needs to make 3 revolutions, that is, the shaft 4 makes one revolution and the Wankel rotor makes one third revolution. Therefore, in each compression stroke, the piston 17 can move up and down twice, generating a vortex.
  • a control valve is provided between the combustion chamber of the rotary engine 1 and the swirl chamber 3, and the control system ECU controls the opening and closing of the control valve according to the rotation angle of the shaft 4.
  • the working process includes four strokes, namely: intake stroke, compression stroke, combustion stroke and exhaust stroke.
  • the engine's intake stroke, combustion stroke and exhaust stroke are the same as the traditional Wankel rotary engine, and will not be described again.
  • the only difference is the compression stroke.
  • the implementation of the compression stroke of the present invention is as follows: after the combustible gas enters the combustion chamber through the intake stroke, at the same time, the stroke where the cam 6 is located gradually becomes smaller, and one end of the first connecting rod 12 is pulled up by the cam mounting frame 8. The other end of the first connecting rod 12 pulls the piston 17 downwards.
  • the valve in the circular pipe 16 is opened, and the combustible gas enters the swirl chamber 3 through the circular pipe 16, and then the piston 17 moves downward, and the left side of the first connecting rod 12 Fall, rise on the right.
  • the stroke of the cam 6 is gradually increasing, one end of the first connecting rod 12 is pressed down by the cam mounting frame 8, and the other end of the first connecting rod 12 presses the piston 17 upward.
  • the piston 17 can move up and down twice, generating eddy currents.
  • the valve is then closed to complete the entire compression stroke, and then the combustion stroke and exhaust stroke are performed.
  • the control system ECU controls the opening and closing principle of the valve in the circular pipeline 16:
  • the combustion chamber communicates with the vortex chamber 3 through two circular pipes 16.
  • the rotor center point A reaches the outer edge of the right circular pipe 16, as shown in Fig. 4, the rotor grating encoder transmits the signal to the control system ECU, control system ECU controls the control valves of the two circular pipes 16 to open at the same time, and the movement of the piston 17 produces a strong vortex in the combustion chamber I of the rotary engine.
  • the control system ECU receives the signal of the rotor grating encoder, and controls the two circular pipes to close the control valves at the same time, and the rotary engine The spark plug ignites.
  • the rotor center B reaches the outer edge of the right circular pipe 16
  • the rotor grating encoder transmits the signal to the control system ECU, and the control system ECU controls the control valves of the two circular pipes 16 to open simultaneously, and the piston
  • the movement of 17 produces a strong vortex in the combustion chamber II of the rotary engine. So cycle.

Abstract

一种带有涡流室（3）的转子发动机（1），包括转子发动机（1）、摩擦轮机构（2）和涡流室（3），摩擦轮机构（2）输入端与转子发动机（1）的轴（4）连接，转子发动机（1）底部设有与燃烧室连通的涡流室（3），涡流室（3）内设有活塞连杆（20），活塞连杆（20）通过杠杆机构与摩擦轮机构（2）输出端连接，通过摩擦轮机构（2）使活塞连杆（20）在涡流室（3）内往复运动，用于使燃烧室产生涡流和滚流。

Description

一种带有涡流室的转子发动机 技术领域
本发明涉及转子发动机领域，特别涉及一种带有涡流室的转子发动机。
背景技术
汪克尔转子发动机作为一种新型的发动机，其特殊的结构和运行方式使其具有结构简单、功重比高、运转平稳等优点。但是无法否认的是汪克尔转子发动机特殊的运动方式同样会带来以下两个先天的缺陷，这两个缺陷也是制约转子发动机进一步发展的主要因素。这两个缺陷具体是：
1.汪克尔转子发动机的转子是沿一个方向进行旋转运动的，这就导致其缸内气流是随着转子转动方向运动的，也就是说燃烧室内部的气流整体上呈单向流动，因此缸内缺少变化剧烈的涡流和滚流，这进而导致了燃油在缺少涡流和滚流的燃烧室内不易雾化和混合。
2.汪克尔转子发动机特殊的结构形式导致了其燃烧室形状非常狭长，并且传统的汪克尔转子发动机一般采用火花塞点火的方式，而采用火花塞点火这种单点点火模式会导致狭长燃烧室内出现火焰传播距离过长的问题。综上可以看出，上述两个缺陷是制约汪克尔转子发动机燃烧效率提高的主要因素。
发明内容
针对现有技术中存在的不足，本发明提供了一种带有涡流室的转子发动机，涡流室可以改善燃烧室内部的流场结构，进而改善燃烧室内的燃油雾化、扩散和燃烧过程，最终实现转子发动机燃烧效率的提高。
本发明是通过以下技术手段实现上述技术目的的。
一种带有涡流室的转子发动机，包括转子发动机、摩擦轮机构和涡流室，所述摩擦轮机构输入端与转子发动机的轴连接，所述转子发动机底部设有与燃烧室连通的涡流室，所述涡流室内设有活塞连杆，所述活塞连杆通过杠杆机构与摩擦轮机构输出端连接，通过摩擦轮机构使活塞连杆在涡流室内往复运动，用于使燃烧室产生涡流和滚流。
进一步，所述涡流室包括活塞缸、活塞和活塞连杆；所述活塞缸安装在转子发动机壳体上，所述活塞缸的进气口与燃烧室连通，所述活塞缸内设有活塞，所述活塞连杆连接活塞与杠杆机构。
进一步，所述活塞缸有杆腔设有端盖，所述端盖上设有第一凸台，所述活塞连杆上设有第二凸台，所述第一凸台与第二凸台之间设有弹簧。
进一步，所述摩擦轮机构包括滚子和凸轮，所述滚子与轴连接，所述凸轮与杠杆机构连接，所述滚子与凸轮高副连接，通过凸轮旋转使杠杆机构直线往复运动。
进一步，所述杠杆机构包括凸轮安装架、滑道和第一连杆，所述凸轮安装架用于支撑凸轮，所述凸轮安装架通过滑道与第一连杆一端旋转副连接，通过凸轮的运动，使凸轮安装架在滑道内直线移动；所述第一连杆另一端与活塞连杆旋转副连接，所述第一连杆上设有杠杆铰接点。
进一步，所述转子发动机为汪克尔转子发动机，所述摩擦轮机构的传动比2:1，用于使在压缩行程中，活塞连杆在涡流室内上下运动两次，产生涡流。
进一步，还包括控制系统ECU和控制阀门，所述转子发动机燃烧室与涡流室之间设有控制阀门，所述控制系统ECU根据轴的旋转角度控制所述控制阀门开闭。
本发明的有益效果在于：
1.本发明所述的带有涡流室的转子发动机，通过涡流室可以改变燃烧室中的单向流，使燃烧室内出现剧烈的涡流和滚流，进而改善燃烧室内的燃油雾化、扩散和燃烧过程。
2.本发明所述的带有涡流室的转子发动机，涡流室与燃烧室之间通过管道相连，管道末端装有阀门，该阀门可以通过控制系统ECU对其进行精确控制。此外，采用控制系统ECU对阀门控制，通过对控制系统ECU还可以根据发动机不同工况的要求来改变阀门的开启闭合时刻。
附图说明
图1为本发明所述的带有涡流室的转子发动机的结构图。
图2为本发明所述的带有涡流室的转子发动机的主视图。
图3为本发明所述的带有涡流室的转子发动机的剖视图。
图4、图5和图6为本发明所述的带有涡流室的转子发动机工作动态图。
图中：
1-转子发动机；2-摩擦轮机构；3-涡流室；4-轴；5-滚子；6-凸轮；7-活塞缸；8-凸轮安装架；9-滑道；10-端盖；11-弹簧；12-第一连杆；13-第二连杆；14-火花塞安装孔；15-气孔；16-圆形管道；17-活塞；18-螺钉；19-第一凸台；20-活塞连杆；21-第二凸台。
具体实施方式
下面结合附图以及具体实施例对本发明作进一步的说明，但本发明的保护范围并不限于此。
如图1和图2所示，本发明所述的带有涡流室的转子发动机，包括转子发动机1、摩擦轮机构2和涡流室3，所述摩擦轮机构2输入端与转子发动机1的轴4连接，所述转子发动 机1底部设有与燃烧室连通的涡流室3，所述涡流室3内设有活塞连杆20，所述活塞连杆20通过杠杆机构与摩擦轮机构2输出端连接，通过摩擦轮机构2使活塞连杆20在涡流室3内往复运动，用于使燃烧室产生涡流和滚流。转子发动机1为汪克尔转子发动机，汪克尔转子发动机为现有公知的发动机，具体结构不在描述。本发明仅在如图3所示燃烧室下方添加了气孔15，气孔15通过圆形管道16与涡流室3连通，这样可燃气通过圆形管道16送入涡流室3内。
如图2和图3所示，所述涡流室3包括活塞缸7、活塞17和活塞连杆20；所述活塞缸7安装在转子发动机1壳体上，所述活塞缸7的进气口与燃烧室连通，所述活塞缸7内设有活塞17，所述活塞连杆20连接活塞17与杠杆机构。所述活塞缸7有杆腔设有端盖10，所述端盖10上设有第一凸台19，所述活塞连杆20上设有第二凸台21，所述第一凸台19与第二凸台21之间设有弹簧11。弹簧的拉伸和收缩与活塞17的上下运动有关，活塞17向上运动，弹簧11被压缩，活塞17向下运动弹簧11被拉伸。
所述摩擦轮机构2包括滚子5和凸轮6，所述滚子5与轴4连接，所述凸轮6与杠杆机构连接，所述滚子5与凸轮6高副连接，通过凸轮6旋转使杠杆机构直线往复运动。
所述杠杆机构包括凸轮安装架8、滑道9和第一连杆12，所述凸轮安装架8用于支撑凸轮6，所述凸轮安装架8通过滑道9与第一连杆12一端旋转副连接，通过凸轮6的运动，使凸轮安装架8在滑道9内直线移动；所述第一连杆12另一端与活塞连杆20旋转副连接，所述第一连杆12中间与第二连杆13一端铰接，第二连杆13另一端与发动机1壳体连接，这样就使第一连杆12成为一个以中心为支撑点的杠杆结构，保证连杆左、右端可以上下移动。
本发明中滚子5与凸轮6的线速度之比可以改变，以达到使活塞17在不同工况下多次上下运动的作用，本发明取2：1，即滚子5转一圈，凸轮6转两圈，活塞17上下运动两次。由于汪克尔转子发动机的汪克尔转子转一圈，轴4需要转3圈，即轴4转一圈，汪克尔转子转三分之一圈。因此在每次压缩行程中，活塞17可以上下运动两次，产生涡流。
所述转子发动机1燃烧室与涡流室3之间设有控制阀门，所述控制系统ECU根据轴4的旋转角度控制所述控制阀门开闭。
工作过程包括四个行程即：进气行程、压缩行程、燃烧行程和排气行程，发动机在进行进气行程、燃烧行程和排气行程与传统的汪克尔转子发动机一样，不再进行描述，不同之处只在于压缩行程。本发明的压缩行程的实现方式如下：可燃气通过进气行程进入燃烧室后，与此同时凸轮6位于的行程在逐渐变小，通过凸轮安装架8上拉第一连杆12一端，所述第一连杆12另一端向下拉活塞17，此时圆形管道16中阀门打开，可燃气通过圆形管道16进入涡流室3中，随后活塞17向下进行运动，第一连杆12左侧下降，右侧上升。当凸轮6位于 的行程在逐渐变大，通过凸轮安装架8下压第一连杆12一端，所述第一连杆12另一端向上压活塞17。每次压缩行程中，活塞17可以上下运动两次，产生涡流。经过活塞17的两次上下运动后，随后阀门闭合，完成整个压缩行程，然后再进行燃烧行程和排气行程。
控制系统ECU控制圆形管道16中阀门开闭原理：
图4中燃烧室通过两个圆形管道16与涡流室3连通，当转子顶尖A点到达右圆形管道16外边缘，如图4所示位置时，转子光栅编码器将信号传送给控制系统ECU，控制系统ECU控制两个圆形管道16的控制阀门同时开启，活塞17运动在转子发动机燃烧室Ⅰ内产生强烈涡流。当转子发动机到达上止点，即转子顶尖C达最上方时，如图5所示位置，控制系统ECU接收到转子光栅编码器的信号，控制两个圆形管道的控制阀门同时关闭，转子发动机火花塞点火。当转子顶尖B到达右圆形管道16外边缘，如图6所示位置时，转子光栅编码器将信号传送给控制系统ECU，控制系统ECU控制两个圆形管道16的控制阀门同时开启，活塞17运动在转子发动机燃烧室内Ⅱ产生强烈涡流。如此循环。
所述实施例为本发明的优选的实施方式，但本发明并不限于上述实施方式，在不背离本发明的实质内容的情况下，本领域技术人员能够做出的任何显而易见的改进、替换或变型均属于本发明的保护范围。

Claims (7)

  1. 一种带有涡流室的转子发动机，其特征在于，包括转子发动机(1)、摩擦轮机构(2)和涡流室(3)，所述摩擦轮机构(2)输入端与转子发动机(1)的轴(4)连接，所述转子发动机(1)底部设有与燃烧室连通的涡流室(3)，所述涡流室(3)内设有活塞连杆(20)，所述活塞连杆(20)通过杠杆机构与摩擦轮机构(2)输出端连接，通过摩擦轮机构(2)使活塞连杆(20)在涡流室(3)内往复运动，用于使燃烧室产生涡流和滚流。
  2. 根据权利要求1所述的带有涡流室的转子发动机，其特征在于，所述涡流室(3)包括活塞缸(7)、活塞(17)和活塞连杆(20)；所述活塞缸(7)安装在转子发动机(1)壳体上，所述活塞缸(7)的进气口与燃烧室连通，所述活塞缸(7)内设有活塞(17)，所述活塞连杆(20)连接活塞(17)与杠杆机构。
  3. 根据权利要求2所述的带有涡流室的转子发动机，其特征在于，所述活塞缸(7)有杆腔设有端盖(10)，所述端盖(10)上设有第一凸台(19)，所述活塞连杆(20)上设有第二凸台(21)，所述第一凸台(19)与第二凸台(21)之间设有弹簧(11)。
  4. 根据权利要求1所述的带有涡流室的转子发动机，其特征在于，所述摩擦轮机构(2)包括滚子(5)和凸轮(6)，所述滚子(5)与轴(4)连接，所述凸轮(6)与杠杆机构连接，所述滚子(5)与凸轮(6)高副连接，通过凸轮(6)旋转使杠杆机构直线往复运动。
  5. 根据权利要求4所述的带有涡流室的转子发动机，其特征在于，所述杠杆机构包括凸轮安装架(8)、滑道(9)和第一连杆(12)，所述凸轮安装架(8)用于支撑凸轮(6)，所述凸轮安装架(8)通过滑道(9)与第一连杆(12)一端旋转副连接，通过凸轮(6)的运动，使凸轮安装架(8)在滑道(9)内直线移动；所述第一连杆(12)另一端与活塞连杆(20)旋转副连接，所述第一连杆(12)上设有杠杆铰接点。
  6. 根据权利要求1所述的带有涡流室的转子发动机，其特征在于，所述转子发动机(1)为汪克尔转子发动机，所述摩擦轮机构(2)的传动比2:1，用于使在压缩行程中，活塞连杆(20)在涡流室(3)内上下运动两次，产生涡流。
  7. 根据权利要求1-6任一项所述的带有涡流室的转子发动机，其特征在于，还包括控制系统ECU和控制阀门，所述转子发动机(1)燃烧室与涡流室(3)之间设有控制阀门，所述控制系统ECU根据轴(4)的旋转角度控制所述控制阀门开闭。
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