A pneumatic car

Abstract

This invention discloses a pneumatic vehicle that, by connecting a gas power unit to a running gear, achieves high torque, high speed, high transmission efficiency, low energy consumption, and is environmentally friendly. The emissions are depressurized gas, resulting in low operating noise and no exhaust pollution. The gas power unit used in this pneumatic vehicle includes an outer ring and a core. The outer ring of the core has at least one secondary flow channel between its nozzle and exhaust port. Gas enters through the intake channel and is ejected through the nozzle and secondary flow channel of the core, acting on at least two driving recesses on the circumference of the outer ring. This thrust generates thrust on these driving recesses, driving the outer ring to rotate and perform work, thus achieving power output. Finally, the gas is discharged through the exhaust port of the core via the exhaust channel.

Description

Technical Field

[0001] The invention discloses a pneumatic car, which belongs to the technical field of transportation tools according to the International Patent Classification (IPC). Background Art

[0002] In recent years, the domestic automobile industry has developed rapidly, and energy problems have become increasingly serious. Faced with the growing domestic automobile market and the relative scarcity of crude oil resources, the automobile industry is facing a dilemma of sustainable development. It is a very urgent task to accelerate the formation of energy-saving and environmentally friendly automobile products and industries with independent intellectual property rights and independent brands, and to enhance the core technology of China's automobile industry in the world market. According to relevant information, new energy power vehicles, namely: compressed air powered vehicles have come out. Experts believe that the working process and energy utilization of engines driven by air compression power, the storage, compression and pressure of high-pressure air, adaptation to ambient temperature, continuous mileage and speed are technically feasible.

[0003] The technology of air-powered vehicles is developing rapidly. According to reports, in March 2012, the French MDI company displayed an air-powered car, Airpod, at the Geneva International Motor Show in Switzerland. This car is driven by compressed air and is a completely clean car with zero emissions and zero pollution. In March of the same year, the new version of the air-powered car was being tested by Air France KLM at Amsterdam's Schipol Airport. They will replace the huge fleet of electric vehicles in the future.

[0004] At present, most gas engine design prototypes are based on piston engines or vane pumps, which convert energy through heat exchangers to achieve power output, but their structures are complex and their efficiency is low, making it difficult to meet the requirements of endurance.

[0005] To address this problem, existing methods mainly include automobile exhaust treatment, engine optimization design to improve combustion efficiency, or road cleaning technologies such as water sprinkling to reduce dust; however, these solutions can only reduce exhaust pollution to a certain extent and cannot fundamentally solve the automobile exhaust problem.

[0006] Therefore, there is an urgent need to provide a means of transportation that has little environmental pollution, high efficiency, reliability, and simple structure. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a pneumatic car, which uses a gas power device as the power device of the car. The multi-stage flow channels are circumferentially arranged on the core of the gas power device, and the energy of the gas is utilized multiple times. The core drives the rotating outer ring to achieve power output. The pneumatic car has the advantages of being environmentally friendly and pollution-free, having large traction, high efficiency, energy saving and environmental protection.

[0008] To achieve the above object, the present invention is achieved through the following technical solutions:

[0009] A pneumatic vehicle comprises a frame, a running device and a power device are arranged on the frame, and the power device is drivingly connected to the running device; the characteristics are:

[0010] The power device is a gas power device, and the frame is also provided with a storage tank for supplying gas to the gas power device;

[0011] The gas powered device comprises:

[0012] An outer ring, whose inner ring surface is provided with a plurality of driving recesses in the circumferential direction;

[0013] A core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one discharge port, and at least one flushing channel located between the nozzle and the discharge port;

[0014] at least one air inlet passage connected to at least one nozzle; and

[0015] at least one exhaust passage connected to at least one exhaust port;

[0016] The gas enters from the air inlet channel, is ejected step by step through the nozzle of the core body and the secondary flow channel, and acts on at least two driving recesses on the circumference of the outer ring, generating thrust for these driving recesses to drive the outer ring to rotate and do work, thereby realizing power output. Finally, the gas is discharged through the exhaust channel through the exhaust port of the core body.

[0017] Furthermore, at least one air inlet channel, at least one nozzle, at least two driving recesses, at least one primary flow channel, at least one discharge port and at least one exhaust channel form an independent working unit, and the gas power device includes at least one independent working unit.

[0018] Furthermore, the nozzles and secondary flow channels on the core body are connected to the driving recesses corresponding to the outer ring. The secondary flow channels are arranged alternately and connected in sequence with the corresponding driving recesses. The secondary flow channels are arranged circumferentially along the core body or the outer ring.

[0019] Further, an intake passage and an exhaust passage are formed in the core.

[0020] Furthermore, the core includes:

[0021] An air inlet passage, which forms a nozzle on the peripheral surface of the core body, and whose direction is an arc line extending from the middle to the outside, and the nozzle is connected with the driving concave portion corresponding to the outer ring to form a first-stage flow channel;

[0022] The secondary flow channel is an arc line extending from the edge of the core body inward and then bending to the edge. Each secondary flow channel is connected with the front and rear driving recesses corresponding to the outer ring, forming N-step flow channels along the circumference of the core body, where N is a natural number ≥ 2;

[0023] Each step of the flow channel cooperates with the corresponding driving recess of the outer ring to form a multi-step stroke structure with decreasing gas energy.

[0024] Furthermore, the secondary flow channel includes a return channel and a communicating stroke channel, the return channel is communicated with a driving recess corresponding to the outer ring, and the stroke channel is communicated with another driving recess.

[0025] Furthermore, the direction of the core air inlet channel is a logarithmic spiral extending from the middle to the outside, the pole of the logarithmic spiral is set on the central axis of the core, and the direction angle of the logarithmic spiral is 15°-45°.

[0026] Furthermore, an air inlet channel is provided on the core body, and its direction is a logarithmic spiral extending from the middle to the outside, and the direction of the stroke channel of the secondary flow channel is a logarithmic spiral. The direction of the logarithmic spiral of the stroke channel of the secondary flow channel is roughly the same as the direction of the logarithmic spiral of the air inlet channel.

[0027] Furthermore, the gas power device also includes a shaft, and the outer ring and the core body are coaxially arranged on the shaft.

[0028] Furthermore, the gas power device also includes a shaft, the outer ring is coaxially arranged on the shaft with the core body, and the shaft is provided with inlet and outlet shaft passages which are respectively connected to the inlet channel and the exhaust channel of the core body.

[0029] The air inlet and outlet shaft passages in the shaft form an air inlet and an air outlet, and the air inlet and outlet shaft passages are non-connected structures.

[0030] Furthermore, the outer ring is matched with the shaft through the side plates to form a closed space, and the core body is arranged in the closed space and is connected and fixed to the shaft.

[0031] Furthermore, the air inlet channel, the nozzle, the driving recess, the secondary flow channel, the exhaust port and the exhaust channel in the independent working unit constitute a gas flow path.

[0032] Furthermore, the gas power device includes more than two independent working units to form a multi-stage driving structure, and is arranged along the circumference of the core or the outer ring.

[0033] Furthermore, more than two driving recesses are arranged on the inner ring surface of the outer ring, and each driving recess has a contour bottom surface and a driving surface. The contour line of the contour bottom surface is a logarithmic spiral line, and its pole is arranged at the center of the core body.

[0034] Furthermore, it also includes a transmission, which is arranged on the frame, and the outer ring of the gas power device is transmission-connected to the walking device through the transmission.

[0035] The pneumatic automobile of the present invention has a simple structure, large torque, high speed, high transmission efficiency, low energy consumption, and is environmentally friendly by connecting a gas power device to a walking device. The exhaust is decompressed gas, the working noise is low, and there is no tail gas pollution.

[0036] The pneumatic car in this case uses compressed gas or liquid gas as power. Its gas power device does not generate heat during operation, which can effectively avoid infrared detection. In the military field, it can achieve "stealth" and has extremely important application value. It can be applied to passenger vehicles, commercial vehicles, special vehicles and other fields.

[0037] The gas power device of the present invention also has the following beneficial effects:

[0038] 1. The core body of the present invention is provided with a multi-stage flow channel, that is, the air intake channel is used as the first stage flow channel, and each secondary flow channel is used as the second, third, fourth... stage flow channel. The gas acts on the driving recess of the outer ring from the first stage flow channel, and the driving recess is connected to the second stage flow channel. Then, it returns to the second stage flow channel and acts on another driving recess of the outer ring, and so on, until the gas is discharged from the exhaust channel. The whole process is carried out in the forward direction of the outer ring rotation direction, with large torque, high transmission efficiency, high gas utilization rate, and the output torque further increases with the increase of the rotation speed; it is used to drive the walking device and output the driving torque steadily.

[0039] 2. The flow channels arranged circumferentially on the core of the present invention effectively reduce the volume of the overall device, and can be used in conjunction with the vehicle's running device to output power. At the same time, the more intake flow channels are arranged on the core, the lower the overall weight is, further improving the output speed and efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic diagram of a pneumatic automobile underframe according to a first embodiment of the present invention is shown;

[0041] Figure 2 A schematic diagram of the pneumatic automobile transmission principle of the first embodiment of the present invention is shown;

[0042] Figure 3 It is a schematic diagram of the gas power device of the first embodiment of the present invention.

[0043] Figure 4 It is a side view along axis A of the gas power device of the first embodiment of the present invention.

[0044] Figure 5 It is a side view of the gas power device in the first embodiment of the present invention along the axis B.

[0045] Figure 6 It is a radial cross-sectional view of the gas power device according to the first embodiment of the present invention.

[0046] Figure 7This is another layout diagram of the gas power device according to the first embodiment of the present invention.

[0047] Figure 8 It is a schematic diagram of the gas power device of the pneumatic vehicle according to the second embodiment of the present invention.

[0048] Fig. 9 It is a side view of the gas power device of the second embodiment of the present invention along the axis C.

[0049] Fig.10 It is a side view along axis D of the gas power device of the second embodiment of the present invention.

[0050] Fig.11 It is a radial cross-sectional view of the gas power device according to the second embodiment of the present invention. DETAILED DESCRIPTION

[0051] The present invention will be further described below in conjunction with the accompanying drawings:

[0052] Embodiment 1:

[0053] Combination Figure 1 and Figure 2 As shown, this embodiment provides a pneumatic vehicle, which includes a frame 5, on which a running device 6 and a power device assembly 9 are provided. The power device assembly 9 is drivingly connected to the running device 6 via a connecting shaft 8 to provide driving power.

[0054] In this embodiment, the power device assembly 9 includes a gas power device and a transmission, and the gas power device is connected to the connecting shaft 8 through the transmission; a universal joint 81 is provided on the connecting shaft 8, and then connected to the differential 7 to achieve traction of the vehicle.

[0055] Furthermore, the frame 5 is also provided with a storage tank for supplying gas to the gas power device assembly 9 (not shown in the figure, preferably arranged in the trunk, the storage tank can be a steel cylinder, a high-pressure gas tank, a gas storage tank or a Dewar tank, etc.); the storage tank is connected to the gas power device assembly 9 through a valve body assembly pipeline; preferably, liquid nitrogen or liquid air is stored in the storage tank, or compressed air or other compressed gases are stored in the storage tank.

[0056] See also Figures 3 to 6 The gas power device comprises an outer ring 1, whose inner ring surface is provided with a plurality of driving recesses 11 in the circumferential direction; a core body 3, which is coaxially arranged in the outer ring 1 and can rotate relative to the outer ring, and the outer ring surface of the core body 3 is provided with at least one nozzle 301, at least one discharge port 302, and at least one primary flow channel 300 located between the nozzle and the discharge port;

[0057] At least one air inlet passage 31 connected to at least one nozzle 301; and

[0058] at least one exhaust passage 310 connected to at least one exhaust port 302;

[0059] The compressed gas in the storage tank enters from the air inlet channel 31, and is ejected step by step through the nozzle 301 of the core body 3 and the secondary flushing channel 300, acting on at least two driving recesses 11 on the circumference of the outer ring 1, generating thrust on these driving recesses 11 to drive the outer ring 1 to rotate and do work, realizing continuous power output, and finally, the gas is discharged through the exhaust channel through the exhaust port of the core body 3. The gas power device also includes a shaft 2, and the outer ring 1 and the core body 3 are coaxially arranged on the shaft 2.

[0060] like Figure 6 As shown, the air inlet channel 31 and the exhaust channel 310 are formed in the core body 3, and the nozzle 301 and the secondary flow channel 300 on the core body 3 are connected with the driving recess 11 corresponding to the outer ring 1, wherein the secondary flow channel 300 and the corresponding driving recess 11 are arranged alternately and connected in sequence, and the secondary flow channel 300 is arranged along the circumference of the core body or the outer ring.

[0061] like Figure 6 The core 3 includes: an air inlet channel 31, which forms a nozzle 31 on the peripheral surface of the core, and its direction is an arc line extending from the middle to the outside, and the nozzle 301 is connected with the driving recess 11 corresponding to the outer ring to form a first-stage flow channel;

[0062] The secondary flushing channel 300 is an arc line extending from the edge of the core 3 inward and then bending to the edge. Each flushing channel 300 is connected with the front and rear driving recesses 11 corresponding to the outer ring 1, forming N-stage flow channels along the circumference of the core, where N is a natural number ≥ 2. It should be noted that if it is a 2-stage flow channel, it includes the 1st stage flow channel (inlet channel) and the 2nd stage flow channel (primary flushing channel); if it is a 3-stage flow channel, it includes the 1st stage flow channel (inlet channel), the 2nd stage flow channel (primary flushing channel), the 3rd stage flow channel (another secondary flushing channel), ...

[0063] Each step of the flow channel cooperates with the corresponding driving recess of the outer ring to form a multi-step stroke structure with decreasing gas energy.

[0064] The gas power device can be designed according to the load requirements, in which the core 3 can be set to a 2-stage flow channel, a 3-stage flow channel, or more stages of intake flow channels. Each stage cycle performs work, fully utilizes energy, and maximizes the use efficiency to meet the output torque and speed requirements.

[0065] like Figure 7 Schematic diagram of a 4-stage flow channel. After the compressed gas enters from the 1st-stage flow channel 311, it passes through the 2nd, 3rd, and 4th-stage flow channels 312, 313, and 314, and is ejected to act on the corresponding driving recess 11, and finally is output through the exhaust flow channel 310; Figure 6 This is a schematic diagram of the 5-stage intake air duct. The working process is the same as Figure 7The schematic is similar. Figure 7 The secondary flow channel 300 includes a return channel and a connected stroke channel, such as Figure 7 The return path 3131 and the connected stroke path 3132 in the third-stage flow channel, the return path 3131 is connected to the driving recess corresponding to the outer ring, and the stroke path 3132 is connected to another driving recess.

[0066] See also Figure 3 The gas power device also includes a shaft 2, the outer ring 1 is coaxially arranged on the shaft 2 with the core 3, and the shaft 2 is provided with inlet and outlet shaft channels 21, 210 respectively connected to the inlet channel 31 and the exhaust channel 310 of the core 3. The inlet and outlet shaft channels in the shaft form an inlet and an outlet, and the inlet and outlet shaft channels are non-connected structures. The outer ring 1 is matched with the shaft 2 through the side plates 41, 42 to form a closed space, and the core 3 is arranged in the closed space and connected and fixed to the shaft 2. In the present invention, the core 3 is provided with at least two steps of flow channels, each step of the flow channel is connected to the driving recess corresponding to the outer ring, and finally the gas is discharged from the exhaust flow channel.

[0067] See also Figure 3 In the present invention, the core body 3 can be formed by the cooperation of a left core body and a right core body, and the cooperation surfaces of the left core body and the right core body are provided with an air intake channel 31 and an exhaust channel 310. The core body 3 can also be integrally cast.

[0068] See also Figure 3 , Figure 6 This embodiment is a primary drive structure. An air channel is arranged circumferentially on the core 3 to form a primary drive structure. The air channel is also called an independent working unit. An air inlet channel 31, a nozzle 301, at least two driving recesses 11, at least one primary flow channel 300, a discharge port 302 and an exhaust channel 310 on the core 3 and the outer ring 1 form an independent working unit. The gas power device includes at least one independent working unit. The air inlet channel 31, the nozzle 301, the driving recess 11, the secondary flow channel 300, the discharge port 302 and the exhaust channel 310 in the independent working unit constitute a gas flow path.

[0069] See also Figure 3 , Figure 6 or Figure 7 In the present invention, more than two driving recesses 11 are arranged on the inner ring surface of the outer ring 1, each driving recess has a contour bottom surface 111 and a driving surface 112, the contour line of the contour bottom surface 111 can be a common arc line or a spiral line, when the contour line of the contour bottom surface is a logarithmic spiral line, its pole is set on the axis, each driving recess 11 is also connected with the adjacent step flow channel so that the gas entering the previous step flow channel is discharged from the next step flow channel.

[0070] In the present invention, the direction of the air inlet channel of the core body 3, namely the first-stage flow channel, can be a common arc line or a spiral line, and the direction of each secondary flow channel, namely the stroke channel in the N-th-stage flow channel, can also be a common arc line or a spiral line.

[0071] like Figure 6 and Figure 7 The core body 3 of the present invention is provided with an air inlet channel 31, which runs in a logarithmic spiral extending from the middle to the outside. The stroke channel of the secondary flow channel 300 runs in a logarithmic spiral, and the logarithmic spiral of the stroke channel of the secondary flow channel runs in a direction substantially the same as the logarithmic spiral of the air inlet channel. The air inlet channel of the core body 3 runs in a logarithmic spiral extending from the middle to the outside, and the pole of the logarithmic spiral is set on the central axis of the core body. The logarithmic spiral runs in an angle of 15°-45°. The smaller the angle, the longer the flow channel and the more the loss. The larger the angle, the smaller the tangential component of the driving outer ring.

[0072] See also Figure 3 , Figure 4 and Figure 5 In the present invention, the inlet and outlet shaft channels 21, 210 in the shaft 2 form an inlet and an outlet, and the inlet and outlet shaft channels are non-connected structures. The inlet and outlet of the shaft can be set at one end or both ends of the shaft, the inlet shaft channel 21 is connected to the inlet channel 31 of the core body, and the shaft outlet extends axially to form the outlet shaft channel 210, which is connected to the exhaust channel 310 of the core body.

[0073] The gas power device involved in this application refers to a device that can convert gas energy into mechanical rotation, wherein the device may include other components in addition to the necessary outer ring, core body and its corresponding recessed structure or flow channel structure design; for example, it may include a housing and a sealing structure that provide external protection, or a coupling that provides torque transmission. The outer ring may have different specific forms according to different mechanical rotation output modes, such as an outer toothed structure formed on the outer side of the outer ring to facilitate the output of kinetic energy through gear transmission; another example is that the outer ring has a belt groove to output kinetic energy through belt transmission; another example is that the outer ring has a mounting flange to facilitate the installation of a coupling to output kinetic energy; and so on. The core body and the outer ring are made of hard materials, not limited to metals, metal alloys, plastics, and composite materials. The processing methods of the recessed structure or flow channel structure of the core body and the outer ring can be realized by all known production means, including but not limited to die casting, forging, extrusion, 3D printing, and so on. The air pressure input to the power device may be generated by a compressor (such as an air pressure pump), a container of compressed fluid (such as a high-pressure gas cylinder), or the like.

[0074] Figure 3 and Figure 6It should be noted that the air inlet channel 31 and the exhaust channel 310 of the core body and the air inlet shaft channel 21 and the air outlet shaft channel 210 do not correspond to each other according to the drawing rules, but for the sake of illustration, Figure 3 The air inlet channel and the exhaust channel of the core body refer to the air inlet channel and the exhaust channel. Figure 8 and Fig.11 A similar schematic diagram is shown here.

[0075] Example 2: Please refer to Figures 8 to 11 The pneumatic vehicle of this embodiment is basically the same as that of embodiment 1, and the main differences are as follows:

[0076] The gas power device includes two independent working units to form a two-stage drive structure, that is, two air channels are arranged circumferentially on the core 3, each air channel includes an intake channel 31 of more than one order and a secondary flow channel 300 and an exhaust flow channel arranged circumferentially along the core 3. The gas power device comprises an outer ring 1, whose inner ring surface is provided with a plurality of driving recesses 11 on the circumference; a core body 3, which is coaxially arranged in the outer ring 1 and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with two groups of nozzles and exhaust ports, and at least one primary flow channel is provided between each group of nozzles and exhaust ports; the core body is provided with two air inlet channels 31, 32, which correspond to the connected nozzles; and two exhaust channels 310, 320, which correspond to the connected exhaust ports; two streams of gas enter from the two air inlet channels of the core body respectively, and are ejected step by step through the nozzles of the core body 3 and the secondary flow channel 300, acting on the corresponding driving recesses 11 on the circumference of the outer ring, generating thrust on these driving recesses to drive the outer ring 1 to rotate and do work, realizing power output, and finally, the gas is discharged through the exhaust port of the core body through the exhaust channel. The above-mentioned one air inlet channel, one nozzle, a corresponding number of driving recesses and corresponding secondary flow channels, exhaust ports and one exhaust channel form an independent work unit.

[0077] The gas power device also includes a shaft 2, and the outer ring 1 is coaxially arranged on the shaft with the core 3. The shaft 2 is provided with air inlet shafts 21, 22 and air outlet shafts 210, 220 which are respectively connected to the air inlet channels 31, 32 and the air exhaust channels 310, 320 of the core. The shaft 2 is provided with two air inlets and two air outlets corresponding to the air channels; the compressed gas enters from the two air inlets of the shaft 2, is ejected through the air inlet channel of the core 3, and acts on the driving recess 11 of the outer ring 1, generating thrust to drive the outer ring 1 to rotate and do work, and finally the compressed gas returns to the corresponding air outlet through the exhaust channel of the core 3, realizing the continuous output of power. The other structures are the same as those in Example 1 and will not be repeated.

[0078] Embodiment 3: The pneumatic vehicle of this embodiment is basically the same as that of Embodiment 1, with the main differences being:

[0079] The gas power device of the present invention includes 4 or more independent working units to form a multi-stage driving structure. Three or more air channels are arranged circumferentially on the core body. Each air channel includes an intake channel and a secondary flow channel of more than one order and an exhaust flow channel arranged circumferentially along the core body. The intake channel and the exhaust channel are arranged on the mating surfaces of the left and right core bodies. The shaft is provided with intake shaft channels and exhaust shaft channels corresponding to the number of air channels. The compressed gas enters from the intake shaft channel of the shaft, is ejected through the intake flow channel of the core body, and acts on the driving recess of the outer ring, pushing the outer ring to rotate and do work, realizing continuous power output, and finally the compressed gas returns to the corresponding exhaust shaft channel through the exhaust flow channels of the core body. The other structures are the same as those in Example 1.

[0080] Embodiment 4:

[0081] Gas powered device prototype:

[0082] (I) Second-stage gas power device

[0083] 1. The main parameters are as follows:

[0084] (1) Gas pressure: 1.2MPa;

[0085] (2) Maximum speed: 8550r / min;

[0086] (3) Number of driving structure levels: 3;

[0087] (4) Inlet flow channel diameter: Φ5mm;

[0088] (5) Single-stage drive intake order: 2;

[0089] (6) Outer ring diameter: Φ140mm;

[0090] (7) Outer ring weight: 2.5KG

[0091] 2. Output torque

[0092]

[0093] (II) Fifth-order gas power device

[0094] 1. The main parameters are as follows:

[0095] (1) Gas pressure: 1.2MPa;

[0096] (2) Maximum speed: 17967r / min;

[0097] (3) Number of driving structure levels: 3;

[0098] (4) Inlet flow channel diameter: Φ5mm;

[0099] (5) Single-stage drive intake order: 5;

[0100] (6) Outer ring diameter: Φ140mm;

[0101] (7) Outer ring weight: 2.5KG

[0102] 2. Output torque

[0103]

[0104] It can be seen from the test that under the same conditions, increasing the number of driving intake stages can significantly increase the output torque and improve the acceleration performance. At the same time, it is also beneficial to increase the speed.

[0105] Embodiment 5:

[0106] A gasoline vehicle with a total mass of 2 tons was modified by using a pneumatic engine in series with a reducer with a reduction ratio of 9.3 as the engine assembly, replacing the original gasoline engine, and the rest remained unchanged.

[0107] 1. The main parameters are as follows:

[0108] (1) Gas pressure: 1MPa;

[0109] (2) Maximum speed: 10000r / min;

[0110] (3) Number of driving structure levels: 3;

[0111] (4) Inlet flow channel diameter: Φ5mm;

[0112] (5) Single-stage drive intake order: 5;

[0113] (6) Power outer ring diameter: Φ300mm;

[0114] (7) Power outer ring weight: 15KG

[0115] 2. Output torque of automobile pneumatic engine assembly (with reducer):

[0116]

[0117] As the speed increases, the output torque of the pneumatic engine assembly continues to increase, which can well meet the needs of different road conditions of the car.

[0118] This embodiment uses 275L of liquid nitrogen as the gas source, that is, 46 bottles of 12Mpa, 40L of the prototype gas source. When the gas source works at 1Mpa, it can be used continuously for about 330 minutes, that is, 5.5 hours. The engine drive structure is a 3-level setting, so the engine usage time is 5.5 / 3=1.83 hours. When driving at a constant speed of 120KM / h, the mileage can reach about 220KM. If the comprehensive road conditions are taken into account, the mileage can be greatly increased, and the equivalent mileage is far greater than the existing research.

[0119] The above records are only embodiments of the present invention. Any modification or change made by a person familiar with the present technology using the present invention shall fall within the patent scope claimed by the present invention and shall not be limited to those disclosed in the embodiments.

Claims

1. A pneumatic vehicle, comprising a frame, on which a traveling device and a power device are provided, wherein the power device is drivingly connected to the traveling device; characterized in that: The power device is a gas power device, and the frame is also provided with a storage tank for supplying gas to the gas power device; It also includes a transmission, which is arranged on the frame, and the outer ring of the gas power device is transmission-connected with the walking device through the transmission; The gas powered device comprises: An outer ring, whose inner ring surface is provided with a plurality of driving recesses in the circumferential direction; A core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one discharge port, and at least one flushing channel located between the nozzle and the discharge port; at least one air inlet passage connected to at least one nozzle; and at least one exhaust passage connected to at least one exhaust port; An intake passage and an exhaust passage are formed in the core; The core includes An air inlet passage, which forms a nozzle on the peripheral surface of the core body, and whose direction is an arc line extending from the middle to the outside, and the nozzle is connected with the driving concave portion corresponding to the outer ring to form a first-stage flow channel; The secondary flow channel is an arc line extending from the edge of the core body inward and then bending to the edge. Each secondary flow channel is connected with the front and rear driving recesses corresponding to the outer ring, forming N-step flow channels along the circumference of the core body, where N is a natural number ≥ 2; Each step of the flow channel cooperates with the corresponding driving concave portion of the outer ring to form a multi-step stroke structure with decreasing gas energy; The direction of the core air inlet channel is a logarithmic spiral extending from the middle to the outside, the pole of the logarithmic spiral is set on the central axis of the core, and the logarithmic spiral direction angle is 15°-45°; The gas enters from the air inlet channel, is ejected step by step through the nozzle of the core body and the secondary flow channel, and acts on at least two driving recesses on the circumference of the outer ring, generating thrust for these driving recesses to drive the outer ring to rotate and do work, thereby realizing power output. Finally, the gas is discharged through the exhaust channel through the exhaust port of the core body.

2. The pneumatic vehicle according to claim 1, characterized in that: At least one air inlet channel, at least one nozzle, at least two driving recesses, at least one primary flow channel, at least one discharge port and at least one exhaust channel form an independent working unit. The gas power device includes at least one independent working unit.

3. The pneumatic vehicle according to claim 1, characterized in that: The nozzle and the secondary flow channel on the core body are connected with the driving recess corresponding to the outer ring, and the secondary flow channel is arranged along the circumference of the core body or the outer ring.

4. The pneumatic vehicle according to claim 1, characterized in that: The gas power device also includes a shaft, on which the outer ring is coaxially arranged with the core body, and on which an inlet and an outlet shaft passage are opened, which are respectively connected to an inlet passage and an outlet passage of the core body.

5. The pneumatic vehicle according to claim 2, characterized in that: The gas power device comprises more than two independent working units to form a multi-stage driving structure, and the units are arranged along the circumference of the core or the outer ring.

6. The pneumatic vehicle according to any one of claims 1 to 5, characterized in that: More than two driving recesses are arranged on the inner ring surface of the outer ring, each driving recess has a contour bottom surface and a driving surface, the contour line of the contour bottom surface is a logarithmic spiral line, and its pole is arranged at the center of the core body.

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