TWI664347B - Straight-through rotary engine - Google Patents

Abstract

A straight-through rotary engine includes a compression part cylinder, a power part cylinder, a middle casing, and a combustion chamber device. The middle casing is arranged between the compression part cylinder and the power part cylinder, and serves as an inner shell of the compression part cylinder and the power part cylinder at the same time, forming an overall straight engine system. Compression section rotary valves and power section rotary valves are respectively provided on the two end faces of the middle casing in an embedded manner. The combustion chamber device is disposed on a peripheral wall surface of the middle cabinet. The compression part rotary valve is provided with three L-shaped first holes. The power part rotary valve is provided with three L-shaped second holes. The compressed air in the cylinder of the compression part can pass through the combustion chamber inside the first hole. The high-temperature and high-pressure gas generated after the explosion in the combustion chamber can be sent into the power part cylinder through the second hole.

Description

Straight-through rotary engine

The invention relates to a straight-through rotary engine, which is mainly used to make a straight-through connection between a compression part cylinder and a power part cylinder of the rotary engine, and the gas transportation path is more reasonable, and the cooling water channel design is simpler.

The ROC patent No. 98754 "rotary engine" patent is a rotary engine provided with an eccentric swing blade rotor. This patent is provided with a compression part cylinder, a combustion chamber, and a power part cylinder. A compression rotor and a power rotor are respectively provided in the compression part cylinder and the power part cylinder. The compression rotor and the power rotor are fixed on the same rotating shaft. The compression rotor and the power rotor are each provided with three swing blades. When the rotating shaft rotates, the compression rotor can compress the air and push the air into the combustion chamber to perform the ignition explosion procedure. After the explosion, the high-temperature and high-pressure inflation gas will be sent to the power unit cylinder to push the swing blades, which will cause the power rotor to rotate, and then drive the rotating shaft to rotate. In order to make the rotary engine run more smoothly, the inventor of the present case has developed related technologies and has obtained Invention No. I 468581 and Invention No. I 479075.

The rotary engine disclosed in Patent No. I 468581, the combustion chamber is disposed between the compression part cylinder and the power part cylinder, and the compression part cylinder and the power part cylinder are far away, so that the overall volume of the rotary engine Larger. The rotary engine disclosed in the invention patent No. 468581 is also because the combustion chamber is placed between the compression section and the power section, and the inner casing of the compression section and the power section becomes two independent units that are not connected to each other. The compression section Rotor and cylinder seat of power department The generated torsional moment must be borne by the fixed pin of the outer ring of the cylinder shell. And when the cooling water channel is set in the cylinder shell, the two groups of cylinder blocks that are not connected to each other increase the complexity of the structure. According to the invention, the compression part, the middle casing and the power part are connected in a consistent manner, and the cooling water channel can be simply penetrated and efficiently performed.

The main purpose of the present invention is to provide a straight-through rotary engine, which mainly changes the position and structure of the combustion chamber, and redesigns the air passages of the compression part rotary valve and the power part rotary valve, thereby reducing the overall volume of the rotary engine. And can simplify the design of the cooling water channel.

The main object of the present invention is to provide a through-type rotary engine. The intermediate casing that can serve as the inner casing of the compression section cylinder and the power section cylinder is used as a coupling unit to further reduce the volume of the rotary engine.

The straight-through rotary engine provided by the present invention includes a compression part cylinder, a power part cylinder, a middle casing, and a combustion chamber device. The middle casing is disposed between the compression part cylinder and the power part cylinder and serves as an inner shell of the compression part cylinder and the power part cylinder at the same time. Compression section rotary valves and power section rotary valves are respectively provided on the two end faces of the middle casing in an embedded manner. Positions of the compression part rotary valve with respect to the three swinging leaves of the compression rotor are relatively provided with three L-shaped first holes, and the outlets of the first holes are located on the circumferential wall surface of the compression part rotary valve. The position of the power part rotary valve relative to the three swinging leaves of the compression rotor is relatively provided with three L-shaped second holes, and the entrance of the second hole is located on the circumferential wall surface of the power part rotary valve. A first perforation and a second perforation are provided on a peripheral wall of the middle cabinet. The first perforation is located on a rotation track of the first channel exit. The second perforation is located on the rotation track of the entrance of the second tunnel.

The combustion chamber device is fixed on the middle casing, and is provided with a hollow combustion chamber. The combustion chamber is in communication with the first and second perforations. Compressed gas in the cylinder of the compression section It can be sent into the combustion chamber through the first hole and the first perforation. The high-temperature and high-pressure gas in the combustion chamber can be sent into the power part cylinder through the second perforation and the second hole.

The combustion chamber casing includes a base and a cover. The base is fixed on the middle cabinet. The base is provided with a third perforation and a fourth perforation. The three perforations and the fourth perforations communicate with the first and second perforations, respectively. The cover is provided with an open combustion chamber. The cover is fixed on the middle casing and tightly pressed above the base. The base can close the opening of the combustion chamber.

The middle casing is provided with a concave surface. The recessed surface is the installation position of the combustion chamber device.

10‧‧‧Compression cylinder

11‧‧‧ compression rotor

111‧‧‧ swing leaves

112‧‧‧ raised pin

12‧‧‧ Compression Rotary Valve

121‧‧‧The first tunnel

122‧‧‧Export

123‧‧‧pin hole

20‧‧‧Power department cylinder

21‧‧‧ Power Rotor

211‧‧‧Swing leaves

212‧‧‧ raised pin

22‧‧‧Power part rotary valve

221‧‧‧Second Hole

222‧‧‧Entrance

223‧‧‧pin hole

30‧‧‧Combustion chamber device

31‧‧‧combustion chamber

32‧‧‧ base

321‧‧‧Third Perforation

322‧‧‧ fourth perforation

33‧‧‧ Cover

331‧‧‧Martian plug mounting hole

40‧‧‧ shaft

50‧‧‧Medium case

51‧‧‧First concave surface

52‧‧‧Second concave surface

53‧‧‧ first perforation

54‧‧‧second perforation

55‧‧‧ recessed surface

FIG. 1 is an external view of an embodiment of the present invention.

FIG. 2 is an exploded view of the embodiment shown in FIG. 1. FIG.

Figure 3 is an exploded view from another angle.

FIG. 4 is a state diagram of the air intake of the combustion chamber device of the embodiment shown in FIG. 1. FIG.

FIG. 5 is a state diagram of the exhaust gas of the combustion chamber device in the embodiment shown in FIG. 1. FIG.

Please refer to Figure 1 and Figure 4. The straight-through rotary engine disclosed in the present invention includes a compression part cylinder 10, a power part cylinder 20, and a combustion chamber device 30. A compression rotor 11 having three swing blades 111 is provided in the compression section cylinder 10. A power rotor 21 having three swing vanes 211 is provided in the power unit cylinder 20. The compression rotor 11 and the power rotor 21 rotate coaxially. The compression rotor 11 of the compression section cylinder 10 is capable of compressing the air-fuel mixed gas, and sends it into the combustion chamber device 30. Exploded and ignited by a spark plug (not shown), generating high temperature and high pressure gas. The high-temperature and high-pressure gas is sent into the power unit cylinder 20 to push the power rotor 21 to rotate. The power rotor 21 is integrally linked with the rotating shaft 40. The above structure is a structure of a rotary engine, which has been disclosed in the "Rotary Engine" patent No. 98754, but is not a technical feature required by the present invention.

The invention is a straight-through rotary engine, which emphasizes the simplification of the structure and can simplify the use of the cooling water channel. Please refer to Figure 2 and Figure 3. The through-type rotary engine further includes a middle casing 50. The middle casing 50 is disposed between the compression section cylinder 10 and the power section cylinder 20 and serves as an inner shell of the compression section cylinder 10 and the power section cylinder 20 at the same time. A first circular concave surface 51 and a second circular concave surface 52 are respectively disposed on two end surfaces of the middle casing 50. The first circular concave surface 51 communicates with the compression portion cylinder 10. The second circular concave surface 52 communicates with the power unit cylinder 20. The first concave surface 51 can allow a compression part rotary valve 12 to rotate in synchronization with the compression rotor 11. The second concave surface 52 can allow a power part rotary valve 22 to be inserted in synchronization with the power rotor 21. The compression rotor 11 is provided with three protruding pins 112. The compression part rotary valve 12 is provided with three pin holes 123 opposite to each other. The three protruding pins 112 are respectively inserted into the corresponding three pin holes 123, so that the compression rotor 11 and the compression portion rotary valve 12 are integrated with each other. The power rotor 21 is provided with three protruding pins 212. The power part rotary valve 22 is provided with three pin holes 223 facing each other. The three convex pins 212 are respectively inserted into the corresponding three pin holes 223, so that the power rotor 21 and the power part rotary valve 22 are integrated with each other.

The position of the compression part rotary valve 12 relative to the three swinging leaves 111 of the compression rotor 11 is oppositely provided with three L-shaped first holes 121, and the outlet 122 of the first hole 121 is located on the circumferential wall surface of the compression part rotary valve 12. on. The position of the power part rotary valve 22 relative to the three swing leaves 211 of the power rotor 21 is oppositely provided with three L-shaped second holes 221. The inlet 222 of the second hole 221 is located on the circumferential wall surface of the power part rotary valve 22. on. Provided on the peripheral wall of the middle casing 50 There is a first perforation 53 and a second perforation 54. The first perforation 53 is located on the rotation track of the exit 122 of the first hole 121. Then, during the rotation of the compression part rotary valve 12, the outlets 122 of the three first holes 121 thereon will sequentially and cyclically overlap with the first perforations 53 and become in a communicating state. The second through hole 54 is located on the rotation track of the entrance 222 of the second hole 221. Then, during the rotation of the power part rotary valve 22, the inlets 222 of the three second holes 221 thereon will sequentially and cyclically overlap with the second perforations 54 and be in a communicating state.

The combustion chamber device 30 is provided with a hollow combustion chamber 31. The combustion chamber device 30 is fixed on the middle casing 50. The combustion chamber 31 communicates with the first and second holes 53 and 54. The compressed gas in the compression section cylinder 10 can be sent into the combustion chamber 31 through the first perforation 53 and the first hole 121, as shown in FIG. 4. The high-temperature and high-pressure gas in the combustion chamber 31 can be sent into the power unit cylinder 20 through the second hole 221 and the second perforation 54, as shown in FIG. 5.

The combustion chamber device 30 includes a base 32 and a cover 33. The middle casing 50 is provided with a concave surface 55, and the first through hole 53 and the second through hole 54 are disposed in the concave surface 55. The base 32 is fixed in the recessed surface 55. The base 32 is provided with a third through hole 321 and a fourth through hole 322. The three through holes 321 communicate with the first through holes 53 of the middle casing 50. The fourth through hole 322 communicates with the second through hole 54. The cover body 33 is provided with an open combustion chamber 31. The cover 33 is fixed on the middle casing 50, covers the recessed surface 55, and is pressed tightly above the base 32. The base 32 can close the opening of the combustion chamber 31. The combustion chamber 31 communicates with the third through hole 321 and the fourth through hole 322 of the base 32. The cover body 33 is provided with a spark plug mounting hole 331 for fixing a spark plug (not shown in the figure).

In the present invention, the middle casing 50 is used as the inner casing of the compression section cylinder 10 and the power section cylinder 20 at the same time, which can reduce the volume of the rotary engine. The present invention sets the combustion chamber device 30 On the peripheral wall of the middle casing 50, the compression part rotary valve 12 and the power part rotary valve 22 are arranged in a type that sinks into the middle casing 50, which can also reduce the compression part cylinder 10 and the power part cylinder 20 volume of. In addition, the first port 121 and the second port 221 of the compression section rotary valve 12 and the power section rotary valve 22 are L-shaped design, which can reduce the pressure of the compressed gas on the compression section rotary valve 12, and can The front pressure of the high-pressure gas after the explosion to the power part rotary valve 22 is reduced.

In the present invention, the middle casing 50 is used as the inner casing of the compression part cylinder 10 and the power part cylinder 20. The compression part cylinder 10 and the power part cylinder 20 are formed in a straight-type connection. That is, the compression part cylinder 10 and the power part cylinder 20 are directly connected together, which facilitates the installation of the cooling channel.

The above description uses the preferred embodiments to describe the present invention in detail, but not to limit the scope of the present invention. Anyone who is familiar with such arts will understand that making appropriate changes and adjustments will still not lose the essence of the invention, nor depart from the spirit and scope of the invention.

Claims (4)

A straight-through rotary engine includes a compression section cylinder and a power section cylinder. The compression section cylinder is provided with a compression rotor having three swing blades. The power section cylinder is provided with three swing blades. The power rotor; the compression rotor and the power rotor rotate coaxially; characterized in that the through-rotation type engine includes: a middle casing and a combustion chamber device; the middle casing is provided in the compression section cylinder and the Between the power part cylinders, and at the same time as the inner shell of the compression part cylinder and the power part cylinder; two end faces of the middle casing are respectively provided with a first circular concave surface and a second circular concave surface; the first circular The concave surface is in communication with the compression part cylinder, and a compression part rotary valve that allows synchronous rotation with the compression rotor is inserted; the second circular concave surface is in communication with the power part cylinder, and allows a power that rotates synchronously with the power rotor The rotary valve of the compression part is positioned relative to the three swinging leaves of the compression rotor, and is provided with three L-shaped first holes, and the outlet of the first hole is located in the compression. Position of the rotary valve of the rotary valve; the position of the rotary valve of the power section relative to the three swinging leaves of the compression rotor is oppositely provided with three L-shaped second holes, the entrance of which is located on the circumference of the rotary valve of the power section On the wall; a first perforation and a second perforation are arranged on the peripheral wall of the middle casing; the first perforation is located on the rotation track of the first channel exit; the second perforation is located on the rotation track of the second channel entrance; The combustion chamber device is provided with a hollow combustion chamber; the combustion chamber device is fixed on the middle casing; the combustion chamber is in communication with the first and second perforations; the compressed gas in the cylinder of the compression section can pass through The first hole and the first perforation are sent into the combustion chamber; the high temperature and high pressure gas in the combustion chamber can be sent into the power part cylinder through the second perforations and the second holes. The straight-through rotary engine according to item 1 of the scope of patent application, wherein the combustion chamber casing includes a base and a cover; the base is fixed on the middle casing; the base is provided with a third perforation And a fourth perforation; the three perforations are in communication with the first perforation of the middle casing; the fourth perforation is in communication with the second perforation; the cover is provided with an opening-shaped combustion chamber; the cover is fixed to the middle machine The shell is tightly pressed above the base, and the combustion chamber is in communication with the third and fourth perforations of the base; the base can close the opening of the combustion chamber. The straight-through rotary engine according to item 2 of the scope of patent application, wherein the middle casing is provided with a recessed surface, and the recessed surface is provided with the first perforation and the second perforation; the base is fixed on the recessed surface Inside; a third perforation provided on the base communicates with a first perforation of the middle casing; a fourth perforation provided on the base communicates with the second perforation. The straight-through rotary engine according to item 3 of the scope of patent application, wherein the cover is provided with a spark plug mounting hole for fixing a spark plug.