CN111196257A - A new type of new energy vehicle braking energy recovery device and recovery method - Google Patents
A new type of new energy vehicle braking energy recovery device and recovery method Download PDFInfo
- Publication number
- CN111196257A CN111196257A CN201811383948.4A CN201811383948A CN111196257A CN 111196257 A CN111196257 A CN 111196257A CN 201811383948 A CN201811383948 A CN 201811383948A CN 111196257 A CN111196257 A CN 111196257A
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- fixedly connected
- pipe
- tube
- recovery device
- oil storage
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- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title description 11
- 238000003860 storage Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 19
- 239000010687 lubricating oil Substances 0.000 abstract description 14
- 239000007921 spray Substances 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 210000005239 tubule Anatomy 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a novel new energy automobile braking energy recovery device, which comprises a chassis bracket, a telescopic pipe, a communicating pipe, an air outlet pipe, an oil storage mechanism and a stainless steel pipe, a gear box groove is arranged on one side of the chassis bracket, a groove is arranged on one side of the bottom of the chassis bracket, the two sides of the inner part of the groove are respectively provided with a sliding chute, a T-shaped sliding block is connected between the two sliding chutes in a sliding way, the bottom of the T-shaped sliding block is fixedly connected with a first fixed block, when the vehicle is braked, the first fixed block is driven to move, the gas in the gas collecting box is increased through the extrusion of the extension tube, the gas pressure in the gas collecting box is improved, when the air pressure reaches a certain value, the air escape valve is opened, the air drives the lubricating oil in the oil storage mechanism to be sprayed out from the spray head, the gear in the automobile gear box is lubricated and radiated, so that the service life of the gear box is greatly prolonged, and the energy of automobile braking can be recovered.
Description
Technical Field
The invention relates to the technical field of electric automobile braking energy recovery, in particular to a novel new energy automobile braking energy recovery device and a novel new energy automobile braking energy recovery method.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device). When a new energy automobile or a conventional automobile is used, a gear box is needed, wheels are driven to rotate through the gear box, and the automobile needs to be braked in the running process. However, in the process of braking the automobile, the rotating speed of the gearbox of the automobile is reduced, the mutual meshing force of gears in the gearbox is large, the gears are abraded, and then the gears are heated, and in the process of braking the automobile, energy generated by braking is not recovered, so that the energy recovery of the automobile is greatly not facilitated, and the service life of the gearbox is prolonged. There is a need for a device that recovers vehicle braking energy while cooling the vehicle gearbox during vehicle braking.
Disclosure of Invention
The invention aims to provide a novel new energy automobile braking energy recovery device and a novel new energy automobile braking energy recovery method, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a novel new energy automobile braking energy recovery device comprises a chassis support, a telescopic pipe, a communicating pipe, an air outlet pipe, an oil storage mechanism and a stainless steel pipe, wherein a gear box groove is formed in one side of the chassis support, a groove is formed in one side of the bottom of the chassis support, sliding grooves are respectively formed in two sides of the inner portion of the groove, a T-shaped sliding block is slidably connected between the two sliding grooves, a first fixed block is fixedly connected to the bottom of the T-shaped sliding block, a second fixed block is fixedly connected to the bottom of the chassis support, one end of the telescopic pipe is fixedly connected with the second fixed block, the other end of the telescopic pipe is fixedly connected with the first fixed block, a first spring is sleeved on the outer side of the circumference of the telescopic pipe, one end of the first spring is fixedly connected with the second fixed block, the other end of the first spring is fixedly connected with the first fixed block, the air inlet pipe is communicated with the interior of the telescopic pipe, and a first one-way valve is fixedly connected to the interior of the air inlet pipe;
one side, far away from the telescopic pipe, of the second fixing block is fixedly connected with a communicating pipe, the communicating pipe is mutually communicated with the interior of the telescopic pipe, the interior of the communicating pipe is fixedly connected with a second one-way valve, the other side of the bottom of the chassis support is fixedly provided with a gas collecting box, the side end of the communicating pipe is fixedly connected with the gas collecting box, and the communicating pipe is mutually communicated with the gas collecting box;
the utility model discloses a gear box, including chassis support, gear box groove, outlet duct, gear box, chassis support's inside inlay has the outlet duct, the outlet duct is located the gas collection box directly over, the gas collection box passes through outlet duct and communicates with each other with gear box inslot portion, the once fixed mounting of top-down of inside of outlet duct has third check valve and relief valve, the bottom fixed mounting in gear box groove has oil storage mechanism, chassis support's inner wall fixedly connected with sieve, the sieve is located oil storage mechanism's top, oil storage mechanism's top fixedly connected with stainless steel pipe, the sieve is run through at the top of stainless steel pipe, and the.
Furthermore, one side of the first fixing block, which is far away from the telescopic pipe, is fixedly connected with a balancing weight.
Furthermore, two sides of the bottom of the T-shaped sliding block are respectively and fixedly provided with two rollers, and the T-shaped sliding block is connected between the two sliding grooves through the rollers in a sliding mode.
Furthermore, flexible pipe includes thick pipe, tubule and fixture block, the tubule slides and pegs graft in the inside of thick pipe, the circumference outside fixedly connected with fixture block of tubule bottom.
Furthermore, one side of the inner wall of the gas collecting box, which is far away from the communicating pipe, is fixedly connected with a second spring, the side end of the second spring is fixedly connected with a pressing block, and the position of the joint of the pressing block and the gas collecting box is fixedly connected with a dynamic sealing ring.
Further, the oil storage mechanism comprises a circular stop block, an annular floating plate, a through hole and a box body, the through hole is formed in each of the two sides of the top of the box body, the circular stop block is fixedly connected to the top of the inner wall of the oil storage mechanism, the annular floating plate is placed inside the box body, and the annular floating plate is located on the outer side of the circumference of the circular stop block.
Furthermore, the mesh size of the sieve plate is 40-60 meshes.
Furthermore, the circulation direction of the first one-way valve is that the air inlet pipe flows to the thick pipe, the circulation direction of the second one-way valve flows to the air collecting box through the communicating pipe, and the circulation direction of the third one-way valve flows to the oil storage mechanism through the air outlet pipe.
Further, the model of the pressure relief valve is A41H-1.6.
Furthermore, the aperture size of the through hole is 1-2 cm.
Compared with the prior art, the invention has the beneficial effects that: when the vehicle brakies, can drive first fixed block and remove, thereby it increases to lead to the inside gas of gas collection box to extrude through flexible pipe to improve the inside atmospheric pressure of gas collection box, lose heart valve when atmospheric pressure reaches a definite value and open, gaseous take the inside lubricating oil of oil storage mechanism from the shower nozzle blowout, lubricate and dispel the heat the gear in the automobile gear case, very big improvement the life of gear case can also retrieve the energy of automobile brake.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a telescopic tube according to the present invention;
FIG. 3 is a schematic view of a communication tube according to the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is a side view of the overall structure of the present invention.
In the figure: 101-a chassis support; 102-gearbox groove; 103-a groove; 104-T type slide block; 105-a first fixed block; 106-weight block; 107-chute; 108-a roller; 200-telescopic pipe; 201-thick pipe; 202-a thin tube; 203-entering the trachea; 204-a first one-way valve; 205-a cartridge; 206-a first spring; 207-a second fixed block; 301-communicating tube; 302-a second one-way valve; 303-a gas collection box; 304-a second spring; 305-briquetting; 306-dynamic sealing ring; 401-an air outlet pipe; 402-a pressure relief valve; 403-a third one-way valve; 404-an oil storage mechanism; 405-a circular stop; 406-annular float plate; 407-through holes; 408-a cartridge; 501-stainless steel pipe; 502-a spray head; 503-sieve plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 5, the present invention provides a technical solution: a novel new energy automobile braking energy recovery device comprises a chassis support 101, an extension tube 200, a communication tube 301, an air outlet tube 401, an oil storage mechanism 404 and a stainless steel tube 501, wherein a gear box groove 102 is formed in one side of the chassis support 101, a groove 103 is formed in one side of the bottom of the chassis support 101, sliding grooves 107 are respectively formed in two sides of the inner portion of the groove 103, a T-shaped sliding block 104 is connected between the two sliding grooves 107 in a sliding mode, a first fixing block 105 is fixedly connected to the bottom of the T-shaped sliding block 104, a second fixing block 207 is fixedly connected to the bottom of the chassis support 101, one end of the extension tube 200 is fixedly connected with the second fixing block 207, the other end of the extension tube 200 is fixedly connected with the first fixing block 105, a first spring 206 is sleeved on the outer side of the circumference of the extension tube 200, one end of the first spring 206 is fixedly connected with, one side of the extension tube 200 is fixedly connected with an air inlet tube 203, the air inlet tube 203 is communicated with the interior of the extension tube 200, and the interior of the air inlet tube 203 is fixedly connected with a first one-way valve 204;
wherein the bottom plate bracket 101 is a chassis of the electric automobile, the gear box groove 102 is a groove for storing the gear box of the electric automobile, two rollers 108 are respectively and fixedly arranged on two sides of the bottom of the T-shaped slide block 104, the T-shaped slide block 104 is connected between the two sliding grooves 107 in a sliding way through the rollers 108, the sliding friction of the T-shaped slide block 104 is changed into rolling friction, the friction between the T-shaped slide block 104 and the sliding grooves 107 is reduced, the moving efficiency of the T-shaped slide block 104 is improved, and in order to increase the weight of the first fixing block 105, a weight block 106 is fixedly connected to one side of the first fixing block 105 far away from the telescopic tube 200, the inertia force of the first fixing block 105 generated by braking of the automobile is improved by improving the weight of the first fixing block 105, the telescopic tube 200 further comprises a thick tube 201, a thin tube 202 and a fixture block 205, the thin tube 202 is inserted in the thick tube 201 in a sliding mode, and the fixture block 205 is fixedly connected to the outer side of the circumference of the bottom of the thin tube 202;
in practical use, when the automobile brakes, the first fixing block 105 slides in the sliding groove 107 again due to inertia, the telescopic pipe 200 is extruded, gas inside the telescopic pipe 200 is discharged into the gas collecting box 303 by extruding the telescopic pipe 200, the first fixing block 105 is reset by elastic resetting of the first spring 206, the telescopic pipe 200 is further driven to reset, and the telescopic pipe 200 sucks outside air into the telescopic pipe 200 through the gas inlet pipe 203.
Referring to fig. 1 and 3, a connection pipe 301 is fixedly connected to one side of the second fixing block 207, which is away from the telescopic pipe 200, the connection pipe 301 is mutually connected with the inside of the telescopic pipe 200, a second one-way valve 302 is fixedly connected to the inside of the connection pipe 301, a gas collection box 303 is fixedly mounted on the other side of the bottom of the chassis support 101, a side end of the connection pipe 301 is fixedly connected with the gas collection box 303, and the connection pipe 301 is mutually connected with the gas collection box 303;
the second fixing block 207 is fixed with the chassis support 101 by welding, the second fixing block 207 mainly plays a role in supporting the extension tube 200 and the communicating tube 301, the gas collection box 303 plays a role in collecting gas exhausted by the extension tube 200 extruded by the first fixing block 105, and in order to further increase the pressure intensity inside the gas collection box 303, the pressure of the gas exhausted from the gas outlet pipe 401 is higher, a second spring 304 is fixedly connected to one side of the inner wall of the gas collection box 303 far away from the communicating tube 301, a pressing block 305 is fixedly connected to the side end of the second spring 304, and a dynamic sealing ring 306 is fixedly connected to the position where the pressing block 305 is connected with the gas collection box 303;
in practical use, when the gas collection box 303 receives the gas of flexible pipe 200 combustion from communicating pipe 301, the gas can extrude briquetting 305, thereby exert the effect to second spring 304, extrude second spring 304, until when atmospheric pressure intensity in gas collection box 303 reaches the intensity of relief valve 402, relief valve 402 is opened, the gas can be discharged from outlet duct 401, when gas has other excreted passageways, the inside atmospheric pressure of gas collection box 303 reduces, just can not play the extrusion to briquetting 305, and then second spring 304 can promote briquetting 305 through the elasticity reply, further improvement gas collection body is the velocity of flow in outlet duct 401.
Referring to fig. 1 and 4, an air outlet pipe 401 is embedded in the chassis support 101, the air outlet pipe 401 is located right above the air collecting box 303, the air collecting box 303 is communicated with the interior of the gear box slot 102 through the air outlet pipe 401, a third check valve 403 and a pressure release valve 402 are fixedly installed in the air outlet pipe 401 from top to bottom once, an oil storage mechanism 404 is fixedly installed at the bottom of the gear box slot 102, a sieve plate 503 is fixedly connected to the inner wall of the chassis support 101, the sieve plate 503 is located above the oil storage mechanism 404, a stainless steel pipe 501 is fixedly connected to the top of the oil storage mechanism 404, the top of the stainless steel pipe 501 penetrates through the sieve plate 503, and a spray head 502 is fixedly connected to the penetrating end of; the oil storage mechanism 404 comprises a circular stopper 405, an annular floating plate 406, through holes 407 and a box body 408, the through holes 407 are respectively formed in two sides of the top of the box body 408, the circular stopper 405 is fixedly connected to the top of the inner wall of the oil storage mechanism 404, the annular floating plate 406 is placed inside the box body 408, and the annular floating plate 406 is located on the outer side of the circumference of the circular stopper 405;
wherein, the outlet pipe 401 is used for discharging the gas in the gas collecting box 303, the third check valve 403 is used for preventing the lubricating oil in the oil storage mechanism 404 from flowing into the gas collecting box 303 through the outlet pipe 401, the pressure relief valve 402 is used for opening the outlet pipe 401 when the air pressure in the gas collecting box 303 reaches a certain value, so as to facilitate the gas discharge in the gas collecting box 303, the stainless steel pipe 501 is a channel for discharging the lubricating oil carried by the gas from the nozzle 502, when the annular floating plate 406 rises, the through hole 407 can be blocked, on one hand, the lubricating oil is prevented from entering the box 404 through the through hole 407, on the other hand, a closed space can be formed in the box 404, the circular block 405 is used for limiting the annular floating plate 406, and preventing the annular floating plate 406 from being randomly moved by external force, on the one hand, the sieve plate 503 is used for filtering the lubricating oil, another aspect is to facilitate penetration of the lubricating oil;
in actual use, the remaining lubricating oil in the bottom of the gear box groove 102 can permeate through the leakage hole of the sieve plate 503, the lubricating oil can stay on the upper surface of the box body 408, the lubricating oil slowly flows into the box body 408 through the through hole 407, when the lubricating oil in the box body 408 slowly changes, the annular floating plate 406 rises due to buoyancy, gradually rises to the top of the box body 408, and blocks the through hole 407 to prevent the lubricating oil from flowing into the box body 408, at this time, when the pressure release valve 402 is opened, the inside of the box body 408 is in a closed space, the gas can carry the lubricating oil to be sprayed out from the spray head 502 from the stainless steel pipe 501, and the lubricating and heat-dissipating effects are achieved on the gears in the gear box.
In order to further facilitate the use of the present invention, the above supplementary description is provided, wherein the mesh size of the sieve plate 503 is 40-60 mesh, in order to limit the size of impurities in the lubricating oil, in order to ensure the normal use of the present invention, the flow direction of the first check valve 204 is that the air inlet pipe 203 flows to the thick pipe 201, the flow direction of the second check valve 302 flows to the air collecting box 303 through the communicating pipe 301, the flow direction of the third check valve 403 flows to the oil storage mechanism 404 through the air outlet pipe 401, the model number of the pressure release valve 402 is a41H-1.6, and the aperture size of the through hole 407 is 1-2 cm.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383948.4A CN111196257B (en) | 2018-11-20 | 2018-11-20 | New energy automobile braking energy recovery device and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383948.4A CN111196257B (en) | 2018-11-20 | 2018-11-20 | New energy automobile braking energy recovery device and recovery method |
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| Publication Number | Publication Date |
|---|---|
| CN111196257A true CN111196257A (en) | 2020-05-26 |
| CN111196257B CN111196257B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383948.4A Active CN111196257B (en) | 2018-11-20 | 2018-11-20 | New energy automobile braking energy recovery device and recovery method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433347A (en) * | 2022-09-13 | 2022-12-06 | 广东塑刚新材料科技有限公司 | Preparation method and equipment of polyethylene terephthalate modified material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290268A (en) * | 1978-07-20 | 1981-09-22 | Purification Sciences, Inc. | Vehicle braking and kinetic energy recovery system |
| CN204488749U (en) * | 2015-01-16 | 2015-07-22 | 山东理工大学 | A kind of vehicle mounted washing device utilizing braking energy |
| CN204877548U (en) * | 2015-05-29 | 2015-12-16 | 王力丰 | System for economy utilizes compressed air for automotive power source |
| CN205524187U (en) * | 2016-03-25 | 2016-08-31 | 重庆三峡学院 | Automobile energy recovery apparatus |
| CN209142109U (en) * | 2018-11-20 | 2019-07-23 | 吉林大学 | A kind of novel new-energy automobile brake power recovering device |
-
2018
- 2018-11-20 CN CN201811383948.4A patent/CN111196257B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290268A (en) * | 1978-07-20 | 1981-09-22 | Purification Sciences, Inc. | Vehicle braking and kinetic energy recovery system |
| CN204488749U (en) * | 2015-01-16 | 2015-07-22 | 山东理工大学 | A kind of vehicle mounted washing device utilizing braking energy |
| CN204877548U (en) * | 2015-05-29 | 2015-12-16 | 王力丰 | System for economy utilizes compressed air for automotive power source |
| CN205524187U (en) * | 2016-03-25 | 2016-08-31 | 重庆三峡学院 | Automobile energy recovery apparatus |
| CN209142109U (en) * | 2018-11-20 | 2019-07-23 | 吉林大学 | A kind of novel new-energy automobile brake power recovering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433347A (en) * | 2022-09-13 | 2022-12-06 | 广东塑刚新材料科技有限公司 | Preparation method and equipment of polyethylene terephthalate modified material |
| CN115433347B (en) * | 2022-09-13 | 2023-11-24 | 广东塑刚新材料科技有限公司 | Preparation method and equipment of polyethylene terephthalate modified material |
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| Publication number | Publication date |
|---|---|
| CN111196257B (en) | 2023-11-03 |
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