CN110894808A

CN110894808A - Rotor drum mechanism, free blade rotor device and rotor engine composed of the device

Info

Publication number: CN110894808A
Application number: CN201911270525.6A
Authority: CN
Inventors: 郑安庆; 郑安刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-03-20
Also published as: WO2021114447A1

Abstract

The invention discloses a rotor drum mechanism, a free blade rotor device and a rotor engine composed of the device, wherein the rotor drum mechanism comprises a rotor assembly and a drum assembly, the rotor assembly is arranged in the drum assembly, the rotor assembly is formed by hinging at least three blades together, the hinge points are concentric, the angles among the blades are adjustable, the at least three blades respectively extend out of the drum assembly and can stretch and retract relative to the drum assembly, two ends of the drum assembly are respectively provided with a main shaft, the main shaft does not penetrate through the drum assembly, the power input or output of the main shaft acts on the drum assembly, and the rotor assembly can freely swing in the drum assembly and synchronously rotate along with the drum assembly. The main shaft does not penetrate through the drum assembly and the rotor assembly, so that the rotor assembly does not bear larger torque, the diameter of the rotor drum assembly is greatly reduced, the size of the whole machine can be reduced under the condition of meeting the required working volume, and the mechanical structure is greatly simplified.

Description

Rotor drum mechanism, free blade rotor device and rotor engine composed of the device

Technical Field

The invention belongs to the technical field of engines, air compressors and the like, and particularly relates to a rotor drum mechanism, a free blade rotor device and a rotary engine composed of the free blade rotor device.

Background

In the vane rotor device of the existing rotor engine, vanes are usually arranged on a main shaft, for example, a double eccentric inner shaft type rotary piston type machine disclosed in chinese patent CN87102280A, which is composed of a circular cylinder concentric with the main shaft, an eccentric driving disc, an eccentric rotor sleeve, a main rotary piston, one or more auxiliary rotary pistons, a connecting rod, a cylinder cover, and other parts. In the technical scheme disclosed above, the main cock is connected with the splined shaft on the main shaft by the splined hole, and the auxiliary cock is sleeved at the center of the main shaft, wherein the main cock and the auxiliary cock are equivalent to a blade structure, and the blade cannot be fixedly connected on the main shaft, so that the input torque of the main shaft cannot be well transmitted to the blade or the torque of the blade cannot be well transmitted to the main shaft, and the blade is required to bear a large torque because the force of the main shaft directly acts on the blade, and the diameter of the main shaft is large, so that the inner diameter and the outer diameter of the rotary drum are correspondingly enlarged, and the difference between the diameter of the rotary drum and the diameter of the rotor of the blade determines the working volume for air suction or work application, so that the effective working volume is reduced, and if the working volume of the device is required to be increased, the device can.

Chinese patent CN109139120A discloses a synchronous mechanism that circles round of runner blade, including stator, rotor and blade meshing controlling means, fixed mounting has left circle slider on the stator, and left shaft hole is opened on the left circle slider, and the axis body of transmission shaft passes left shaft hole, and the blade that circles round is installed on left circle slider through the axle sleeve. In the technical scheme disclosed above, due to the adoption of the hollow blade rotor structure design, the transmission shaft of the hollow blade rotor needs to pass through the rotating wheel and the axis of the blade rotor, on one hand, the through hole in the middle of the blade rotor is increased, so that the diameter of the shaft neck of the rotor is inevitably large, and the diameter of the rotating wheel is correspondingly enlarged to obtain the same working volume, so that the size of the whole machine is enlarged; in addition, in the above structure, the transmission shaft needs to be additionally provided with a single-side bearing, which causes the problems of complex structure and unbalanced stress.

Chinese patent 201280062725.2 discloses a rotary machine comprising a housing, a rotor, a plurality of vanes movably received in respective slots in the rotor and hingedly connected about an axis C to one end of a control arm and rotatably supported at the other end in a fixed shaft extending centrally through a cavity in the housing, the shaft and a bearing ready to be mounted on the end of the shaft, the bearing being located eccentrically in a bearing boss on a rotor housing cover. In the technical scheme disclosed above, the pin joints of the plurality of blades are not on the same axis, the axis of the blade is not coaxial with the axis of the cylinder sleeve, the blade only makes a simple linear telescopic motion relative to the rotor, which is not beneficial to the attachment of the end face of the blade and the inner wall of the cylinder sleeve, thereby causing poor sealing, and the shaft for connecting the blade penetrates out of the rotor shell, and is supported on the rotor shell cover through a bearing and an eccentric regulator, thereby causing the structure of the side wall of the cylinder body to be complex, and the main shaft can only be arranged on a single side, and is not beneficial to the situation that the side wall is not provided

In addition, the existing vane rotor device generally has the problems of large abrasion between the rotor and the cylinder sleeve, rotational inertia of the device in the operation process, discontinuous power output, low power-weight ratio and the like.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a rotor drum mechanism and a free blade rotor device, which can provide a device having a large working volume without increasing the size of the entire device, and which have a high reliability of gas sealing in a cylinder and a simplified mechanical structure, and a rotary engine including the same.

The technical scheme adopted by the invention is as follows: rotor drum mechanism, including rotor subassembly and rotary drum subassembly, the rotor subassembly is arranged in the rotary drum subassembly, its characterized in that: the rotor assembly is hinged together by at least three blades, the hinge points of the at least three blades are concentric, the included angle between the blades is adjustable, the at least three blades respectively extend out of the barrel assembly and can stretch and retract relative to the barrel assembly, two ends of the barrel assembly are respectively provided with a main shaft, the main shaft does not penetrate through the barrel assembly, the power input or output of the main shaft acts on the barrel assembly, and the rotor assembly can freely swing in the barrel assembly and synchronously rotate along with the barrel assembly.

According to the rotor drum mechanism, the at least three blades are sleeved on the same rotor mandrel to form an integral structure, the at least three blades are distributed on the circumference by taking the rotor mandrel as an axis, and the rotor mandrel does not extend out of the drum assembly and does not have any connection relation with the drum assembly.

According to the rotor drum mechanism, the at least three blades are respectively sleeved on the rotor spindle through the switching parts arranged at the root parts of the blades, and the switching parts of the at least three blades are arranged in a staggered mode at the sleeving positions on the rotor spindle.

The rotor drum mechanism comprises a drum with a main shaft and a turntable with a main shaft, wherein the drum and the turntable are assembled to form a hollow chamber for arranging a rotor assembly, and the main shaft on the drum and the turntable penetrate through the hollow chamber.

According to the rotor drum mechanism, blade telescopic rotating shaft holes corresponding to the blades are uniformly distributed on the drum assembly, a blade telescopic rotating shaft is arranged in each blade telescopic rotating shaft hole, blade telescopic holes with the same section as the blades are formed in the blade telescopic rotating shafts, and the blades of the rotor assembly penetrate through the corresponding blade telescopic holes and extend out of the drum assembly.

A free blade rotor device comprises a rotor drum mechanism and a cylinder assembly, wherein the rotor drum mechanism is arranged in the cylinder assembly, the end parts of blades extending out of the drum assembly are attached to the inner wall surface of the cylinder assembly, the at least three blades are mutually restricted in the cylinder assembly, the rotor assembly and the cylinder assembly are always concentric in the rotating process, and the drum assembly is eccentrically arranged in the cylinder assembly.

The free blade rotor device is characterized in that the cylinder assembly of the free blade rotor device consists of a cylinder body, a cylinder cover and a cylinder sleeve, the rotor drum mechanism is arranged in the cylinder sleeve, the cylinder sleeve is rotatably arranged in a round hole of the cylinder body, and main shafts at the left end and the right end of the drum assembly in the axial direction are positioned on a bearing of the cylinder body.

According to the free vane rotor device, a cylinder sleeve bearing is arranged between the cylinder sleeve and the inner wall of the cylinder body, the end part of the vane is attached to the inner wall surface of the cylinder sleeve, the end surface of the vane is an arc-shaped surface matched with the inner wall surface of the cylinder sleeve, and the cylinder sleeve can freely rotate in the cylinder sleeve bearing.

The rotor engine composed of the free blade rotor devices comprises two groups of free blade rotor devices and a clapboard, the two groups of free blade rotor devices are symmetrically arranged at two sides of the partition plate, main shafts at the corresponding sides of the drum assemblies in the two groups of free blade rotor devices are connected with each other, the free blade rotor device at one side of the partition plate is used for air suction and compression, the free blade rotor device on the other side is used for doing work and exhausting air, a combustion chamber is arranged in the clapboard, the combustion chamber is connected with the respective air pressing cavity and the respective work applying cavity of the free blade rotor device at the two sides of the partition plate through a partition plate air passage arranged on the partition plate and a rotary drum air passage arranged on the rotary drum assembly, in the rotation process of the rotor drum mechanism, the drum gas circuit and the partition gas circuit are alternately staggered or aligned, so that the gas circuit is opened or closed, and the four-stroke cycle functions of air suction, compression, work application and exhaust are completed.

The rotary engine of the present invention is provided with an adjusting device capable of adjusting a combustion volume of the combustion chamber.

Compared with the prior art, the invention has the following beneficial effects:

1. compared with the existing structural design that the blades are arranged on the main shaft, the main shaft of the invention is arranged at the left end and the right end of the axis of the rotor drum assembly, and the blades in the existing structure are connected with the main shaft and can not be fixedly connected with the main shaft, so that the input torsion of the main shaft can not be well transmitted to the blades or the torsion of the blades can not be well transmitted to the main shaft, the blades bear large torsion, the diameter of the main shaft is large, the inner diameter and the outer diameter of the drum are correspondingly enlarged, and the difference between the diameter of the drum and the diameter of the blade rotor determines the working volume for air suction or work application, thereby reducing the effective working volume.

2. Compared with the structural design that the existing main shaft penetrates through the rotor assembly, the main shaft in the existing structure penetrates through the axis of the whole rotor assembly, so that the strength of the main shaft cannot be too small, the middle through hole of the rotor assembly is inevitably increased, the diameter of the shaft neck of the rotor assembly is inevitably large, the diameter of the rotor assembly is also correspondingly enlarged to obtain the same working volume, and the size of the whole machine is enlarged; in addition, the rotor assembly in the existing structure needs to be additionally provided with a unilateral bearing, so that the problems of complex structure and unbalanced stress are caused.

3. The vanes of the invention adopt a coaxial rotation mode, namely all the vanes are hinged on the same rotating shaft center, and are supported and centered by using the cylinder sleeve, the rotor assembly is in a free floating state in the drum assembly except that the vanes of the rotor assembly pass through the drum assembly, namely, a rotor mandrel in the rotor assembly is only used for connecting all the vanes and is not supported on other components, thus greatly simplifying the structural design of the rotor drum assembly, and realizing the rotation and swing of the rotor assembly in the drum assembly.

4. The cylinder sleeve can also be arranged to be rotatable, the outer circular surface of the rotary cylinder assembly is tangent to and clings to the inner circular surface of the cylinder sleeve, and the cylinder sleeve can be driven to rotate together when the rotary cylinder assembly rotates to form rolling friction, so that gaps at the tangent parts of the outer circular surface of the rotary cylinder and the inner circular surface of the cylinder sleeve can be very small, the sealing effect of each cavity is better, the relative motion between the rotary cylinder assembly and the cylinder sleeve and the relative motion between the rotor blade and the cylinder sleeve are reduced, and the friction loss and the abrasion are greatly reduced; in addition, the blade end of the rotor can be made into a shoe shape, and the arc shape of the shoe surface is the same as that of the inner wall surface of the cylinder sleeve, so that sealing and rotor centering are facilitated.

5. The invention overcomes the sealing and lubricating problems between the rotor and the cylinder wall which can not be solved by the triangle rotor engine for a long time, greatly improves the thermal efficiency, reduces the discharge, and has less wear and longer service life.

6. The invention has no eccentric rotary inertia, can omit an inertia balance flywheel of a rotor engine or a piston engine, and reduces the weight and the vibration of the engine.

7. The invention has good power output continuity and large power-weight ratio, the rotor does three times of work per revolution, and the problems of discontinuous power output, low power-weight ratio and uniform rotating speed caused by that the common piston engine does work once after two revolutions do not exist, and an inertia flywheel with large weight needs to be added.

8. The present invention can easily realize the mutual switching of the Otto cycle, the Atkinson cycle and the Dissel cycle by changing the position of the air inlet or adjusting the effective volumes of the air pressing cylinder and the acting cylinder.

9. The engine of the invention is provided with a fixed combustion chamber, and the volume of the combustion chamber is adjustable by arranging a simple adjusting device on the combustion chamber, so that the function of statically adjusting or dynamically adjusting the compression ratio can be easily realized.

Drawings

The invention will be described by way of specific embodiments and with reference to the accompanying drawings, in which

FIG. 1 is a schematic view of the assembly of the rotor-drum mechanism of the present invention.

Fig. 2 is a schematic view of the assembly of the rotor assembly of the present invention.

Fig. 3 and 4 are assembly views of the drum assembly according to the present invention.

Fig. 5 is a schematic view of the structure of the free-bladed rotor device of the present invention.

Fig. 6 is a schematic view of the assembly of the free-bladed rotor assembly of the present invention.

Fig. 7 is a schematic structural view of a rotary engine according to the present invention.

Fig. 8 is an assembly view of the rotary engine of the present invention.

Fig. 9 is a schematic view of the structure of the separator in the present invention.

Description of reference numerals: the cylinder assembly, 1.1 cylinder body, 1.2 cylinder cap, 1.3 cylinder liner, 1.4 cylinder liner bearing, 2 rotor rotary drum mechanisms, 3 rotor subassembly, 3.1 blade, 3.2 rotor mandrel, 3.3 switching portion, 4 rotary drum assemblies, 4.1 rotary drum, 4.2 carousel, 4.3 flexible pivot hole of blade, 4.4 main shafts, 5 flexible pivots of blade, 5.1 flexible hole of blade, 6 baffles, 7 combustion chambers, 8 baffle gas circuits, 9 rotary drum gas circuits.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive. Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1 and 2, a rotor-drum mechanism comprises a rotor assembly 3 and a drum assembly 4, wherein the rotor assembly 3 is arranged in the drum assembly 4, the rotor assembly 3 is hinged together by at least three blades 3.1, the hinge points of the at least three blades 3.1 are concentric, the included angle between the blades 3.1 is adjustable, the at least three blades 3.1 respectively extend out of the drum assembly 4 and can be extended and retracted relative to the drum assembly 4, two ends of the drum assembly 4 are respectively provided with a main shaft 4.4, the main shaft 4.4 does not penetrate through the drum assembly 4, the power input or output of the main shaft acts on the drum assembly 4, and the rotor assembly 3 can freely swing in the drum assembly 4 and synchronously rotate along with the drum assembly 4.

In this embodiment, the number of the blades of the blade rotor assembly 3 is three, the three blades 3.1 are respectively sleeved on the same rotor spindle 3.2 through the adaptor portions 3.3 arranged at the root portions thereof to form an integral structure, the sleeving positions of the adaptor portions of the three blades 3.1 on the rotor spindle 3.2 are staggered, the three blades 3.1 are distributed on the circumference by taking the rotor spindle 3.2 as an axis, and the rotor spindle 3.2 does not extend out of the drum assembly 4 and has no connection relation with the drum assembly 4.

As shown in fig. 3 and 4, the drum assembly 4 is composed of a drum 4.1 with a main shaft 4.4 and a turntable 4.2 with a main shaft 4.4, a hollow chamber for installing the blade rotor assembly 3 is formed after the drum 4.1 and the turntable 4.2 are assembled, the main shaft 4.4 on the drum 4.1 and the turntable 4.2 does not penetrate through the hollow chamber, blade telescopic rotating shaft holes 4.3 equal in number to the blades 3.1 of the rotor assembly 3 are arranged on the wall of the drum assembly 4 in the radial direction, a blade telescopic rotating shaft 5 is arranged at each blade telescopic rotating shaft hole 4.3 on the drum assembly 4, blade telescopic holes 5.1 having the same cross section as the blades 3.1 are arranged on the blade telescopic rotating shafts 5, and the blades 3.1 of the rotor assembly 3 pass through the corresponding blade telescopic holes 5.1 and extend out of the drum assembly 4.

Example 2

As shown in fig. 5 and 6, a free blade rotor device comprises a rotor drum mechanism 2 and a cylinder assembly 1, wherein the rotor drum mechanism 2 is arranged in the cylinder assembly 1, the cylinder assembly 1 is composed of a cylinder body 1.1, a cylinder cover 1.2 and a cylinder sleeve 1.3, the cylinder body and the cylinder cover are connected together through corresponding flanges, the rotor drum mechanism 2 is arranged in the cylinder sleeve 1.3, the cylinder sleeve 1.3 is rotatably arranged in a circular hole of the cylinder body 1.1, an air inlet is arranged on the cylinder body, an air outlet is arranged on the cylinder cover, main shafts 4.4 at the left end and the right end of a drum assembly 4 of the rotor drum mechanism 2 in the axial direction are positioned on a cylinder body bearing, the end parts of blades 3.1 extending from the drum assembly 4 are all attached to the inner wall surface of the cylinder assembly 1, at least three blades 3.1 are mutually restricted in the cylinder assembly 1, and the rotor assembly 3 is always concentric with the cylinder assembly 1 in the rotating process, the drum assembly 4 is eccentrically arranged in the cylinder assembly 1.

In the device, the main shafts are arranged at the left end and the right end of the axis of the rotor drum assembly, no main shaft penetrates through the middle of the rotor drum assembly, the whole space in the rotor drum assembly is used for placing the rotor assembly, the rotor does not need to bear larger torsion, and the main shaft does not need to penetrate through a rotor mandrel, so that the shaft diameter of the rotor and the diameter of the rotor mandrel are greatly reduced, and the size design and the simplified structure design of the whole machine can be reduced under the condition of meeting the required working volume; in addition, in the running process of the device, the rotor assembly and the rotary drum assembly rotate around the axes of the rotor assembly and the rotary drum assembly, and basically, eccentric rotary inertia does not exist, so that an inertia balance flywheel of a rotor engine or a piston engine can be omitted, and the weight and the vibration of the engine are reduced. The device can be applied to equipment related to gas compression, such as an engine, an air compressor and the like.

In order to further reduce the friction of the cylinder sleeve rotating relative to the cylinder body, a cylinder sleeve bearing 1.4 is arranged between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1, the end part of the vane 3.1 extending out of the drum assembly 4 is attached to the inner wall surface of the cylinder sleeve 1.3, the end surface of the vane 3.1 is an arc-shaped surface matched with the inner wall surface of the cylinder sleeve 1.3, and the cylinder sleeve 1.3 can freely rotate in the cylinder sleeve bearing 1.4.

The end of the blade 3.1 attached to the cylinder sleeve 1.3 can be made into a boot shape, the arc of the boot surface is the same as that of the inner wall surface of the cylinder sleeve, so that the contact area between the end part of the blade and the inner wall surface of the cylinder sleeve is effectively increased, the problems of sealing and lubrication between the blade and the inner wall are solved, the heat efficiency is greatly improved, the emission is reduced, the wear is less, the service life is longer, an opening structure correspondingly matched with the protruding part at the end part of the blade 3.1 is arranged at the position of the blade telescopic rotating shaft hole 4.3 of the drum assembly 4, and the end part of the blade can be matched with the opening part of the blade telescopic rotating shaft hole of the drum assembly in a state.

Example 3

Example 3 is substantially the same as example 2 except that: and a cylinder sleeve bearing 1.4 is not arranged between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1, the cylinder sleeve 1.3 is directly contacted with the inner wall of the cylinder body 1.1, and a lubricant is coated between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1 so as to ensure that the cylinder sleeve 1.3 freely rotates in the cylinder body 1.1.

Example 4

As shown in fig. 7, 8 and 9, a rotary engine composed of the free vane rotor devices described in the above embodiments 2 and 3, the rotary engine being composed of two sets of free vane rotor devices which are symmetrically arranged, cylinder covers of the two sets of free vane rotor devices together constituting a diaphragm 6 and the two sets of free vane rotor devices being symmetrically arranged on both sides of the diaphragm 6, intake ports and exhaust ports being provided on cylinder blocks of the two sets of free vane rotor devices, the main shafts on the corresponding sides of the cylinder assembly 4 in the two sets of free vane rotor devices being connected to each other, the free vane rotor device on one side of the diaphragm 6 being used for intake compression and the free vane rotor device on the other side thereof being used for power exhaust, a combustion chamber 7 and an adjusting device provided in the diaphragm 6 being provided with a combustion chamber, an adjusting device capable of adjusting a combustion volume thereof being provided in the combustion chamber 7, the combustion chamber 7 is communicated with the respective air pressing cavity and the acting cavity of the free blade rotor device on the two sides of the partition plate 6 through the partition plate air passage 8 arranged on the partition plate 6 and the rotary drum air passage 9 arranged on the rotary drum assembly 4, when the rotary drum assembly rotates, the rotary drum air passage on the rotary drum assembly and the partition plate air passage on the partition plate are continuously aligned and staggered and alternated, the function of automatically opening or closing the air passages is realized, and the air suction, compression, acting and exhaust functions are completed by matching with an air inlet and an air outlet. And because the structural design of the rotor drum assembly adopted in the device can simply change the position of an air inlet on the cylinder body or adjust the effective volumes of the air cylinder and the working cylinder, the mutual switching of the Otto cycle, the Atkinson cycle and the Diels cycle can be easily realized.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Rotor drum mechanism, including rotor subassembly (3) and drum subassembly (4), drum subassembly (4) is placed in to rotor subassembly (3), its characterized in that: the rotor assembly (3) is hinged together by at least three blades (3.1), the hinge points of the at least three blades (3.1) are concentric, the included angles of the blades (3.1) are adjustable, the at least three blades (3.1) respectively extend out of the drum assembly (4) and can be extended and retracted relative to the drum assembly (4), two ends of the drum assembly (4) are respectively provided with a main shaft (4.4), the main shaft (4.4) does not penetrate through the drum assembly (4), the power input or output of the main shaft acts on the drum assembly (4), and the rotor assembly (3) can freely swing in the drum assembly (4) and synchronously rotate along with the drum assembly (4).

2. The rotor bowl mechanism as recited in claim 1, wherein: the at least three blades (3.1) are sleeved on the same rotor mandrel (3.2) to form an integral structure, the at least three blades (3.1) are distributed on the circumference by taking the rotor mandrel (3.2) as an axis, and the rotor mandrel (3.2) does not extend out of the drum assembly (4) and does not have any connection relation with the drum assembly (4).

3. The rotor drum mechanism according to claim 1 or 2, wherein: the at least three blades (3.1) are respectively sleeved on the rotor spindle (3.2) through the switching parts (3.3) arranged at the roots of the blades, and the sleeving positions of the switching parts (3.3) of the at least three blades (3.1) on the rotor spindle (3.2) are arranged in a staggered mode.

4. The rotor bowl mechanism as recited in claim 1, 2 or 3, wherein: the drum assembly (4) comprises a drum (4.1) with a main shaft (4.4) and a rotary table (4.2) with the main shaft (4.4), the drum (4.1) and the rotary table (4.2) are assembled to form a hollow chamber for arranging the rotor assembly (3), and the main shaft (4.4) on the drum (4.1) and the rotary table (4.2) does not penetrate through the hollow chamber.

5. The rotor bowl mechanism as recited in any one of claims 1 to 4, wherein: the blade telescopic rotating shaft structure is characterized in that blade telescopic rotating shaft holes (4.3) corresponding to blades (3.1) are uniformly distributed in the drum assembly (4), a blade telescopic rotating shaft (5) is arranged in each blade telescopic rotating shaft hole (4.3), blade telescopic holes (5.1) with the same cross section as the blades (3.1) are formed in the blade telescopic rotating shafts (5), and the blades (3.1) of the rotor assembly (3) penetrate through the corresponding blade telescopic holes (5.1) to extend out of the drum assembly (4).

6. A free-vane rotor apparatus comprising a rotor drum mechanism (2) and a cylinder assembly (1) as claimed in any one of claims 1 to 5, the rotor drum mechanism (2) being disposed within the cylinder assembly (1), the ends of the vanes (3.1) extending from the drum assembly (4) each engaging the inner wall surface of the cylinder assembly (1), the at least three vanes (3.1) being constrained with respect to each other within the cylinder assembly (1), the rotor assembly (3) being maintained concentric with the cylinder assembly (1) throughout rotation, the drum assembly (4) being eccentrically disposed within the cylinder assembly (1).

7. The free-bladed rotor device according to claim 6, characterized in that: the cylinder assembly (1) is composed of a cylinder body (1.1), a cylinder cover (1.2) and a cylinder sleeve (1.3), the rotor drum mechanism (2) is arranged in the cylinder sleeve (1.3), the cylinder sleeve (1.3) is rotatably arranged in a round hole of the cylinder body (1.1), and main shafts (4.4) at the left end and the right end of the cylinder assembly (4) in the axial direction are positioned on a cylinder body bearing.

8. The free-bladed rotor device according to claim 7, characterized in that: be provided with cylinder liner bearing (1.4) between cylinder liner (1.3) and cylinder body (1.1) inner wall, the tip laminating of blade (3.1) is at the internal wall face of cylinder liner (1.3), just the terminal surface of blade (3.1) is the arcwall face with cylinder liner (1.3) internal wall face complex, cylinder liner (1.3) can be in cylinder liner bearing (1.4) free rotation.

9. A rotary engine comprising the free-bladed rotor assembly of any of claims 6 to 8, characterized in that: the device comprises two groups of free blade rotor devices and a partition plate (6), wherein the two groups of free blade rotor devices are symmetrically arranged on two sides of the partition plate (6), main shafts on corresponding sides of a drum assembly (4) in the two groups of free blade rotor devices are connected with each other, the free blade rotor device on one side of the partition plate (6) is used for air suction and compression, the free blade rotor device on the other side of the partition plate (6) is used for work and air exhaust, a combustion chamber (7) is arranged in the partition plate (6), the combustion chamber (7) is associated with respective air pressing cavities and work applying cavities of the free blade rotor devices on two sides of the partition plate (6) through a partition plate air passage (8) formed in the partition plate (6) and a rotary drum air passage (9) formed in the drum assembly (4), and the rotary drum air passage (9) and the partition plate air passage (8) are alternatively dislocated or aligned in the rotating, the air passage is opened or closed, and the four-stroke cycle functions of air suction, compression, work application and exhaust are completed.

10. The rotary engine as recited in claim 9, wherein: the combustion chamber (7) is provided with an adjusting device capable of adjusting the combustion volume of the combustion chamber.