CN202271879U - Air conditioning seat for car - Google Patents
Air conditioning seat for car Download PDFInfo
- Publication number
- CN202271879U CN202271879U CN2011204205182U CN201120420518U CN202271879U CN 202271879 U CN202271879 U CN 202271879U CN 2011204205182 U CN2011204205182 U CN 2011204205182U CN 201120420518 U CN201120420518 U CN 201120420518U CN 202271879 U CN202271879 U CN 202271879U
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- seat
- semiconductor chilling
- chilling plate
- fan
- cushion
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- Expired - Fee Related
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Abstract
The utility model provides an air conditioning seat for a car, belonging to the field of car decoration. Cushion sponge and skin of a seat body are provided with holes, a non-contact infrared temperature sensor, a semiconductor hot end temperature sensor, a function selection switch and a temperature adjusting button are connected with an input end of an electronic control unit (ECU), a semiconductor refrigerating sheet selection device, two PUM (Pulse Width Modulation) pressure regulators, an H drive axle integrated circuit device and a first fan are connected with an output end of the electronic control unit (ECU), a second fan is connected with a first PUM pressure regulator, the non-contact infrared temperature sensor and a refrigerating sheet are both arranged in a framework cavity, the sensors are respectively arranged below the hip and between the shoulder blades of a human body, each of the two ends of the refrigerating sheet is provided with a heat-conducting ceramic sheet, the second fan is arranged at a hot end in a refrigerating sate and is used for cooling, the first fan is arranged at a clod end in a refrigerating state and is used for blowing air. The air conditioning seat has the advantages of integrated refrigerating and cooling effect, high refrigerating and cooling speed, high temperature control accuracy, low manufacturing cost and the like.
Description
Technical field
The utility model relates to a kind of automobile air-conditioning seat, belongs to the automobile decoration field.
Background technology
Automobile air-conditioning seat can provide the comfortable environment of taking for the driver and conductor, reduces driver fatigue intensity, improves traffic safety.In the summer of sweltering heat; Simple rely on traditional air conditioning for automobiles to be difficult in the drop in temperature of short time, will feel hot after making the driver and conductor take, produces the symptom of discomfort such as sultry, humidity seat surface; Time slightly length will come over dizzy, doze off, even can cause skin disease; And in the winter of cold, air conditioning for automobiles can not make the temperature of seat surface be improved at short notice equally, thereby has reduced the comfort that the driver and conductor takes, and has brought great harm for driver and conductor's the health and the security of the lives and property.At present, some high-end cars such as BMW are more than 740 in the world, and benz S350 joins vehicle in above top and disposed the ventilated seating system; But it is not an automotive seat a/c system truly, does not heat because of its seat has at once itself, refrigerating function, and only limits to ventilate; Former car a/c system operation a period of time such as need, the environment inside car temperature can obtain effect after reaching comfort temperature being set, and its technical threshold is higher; Costly, can't realize popularizing.And current more existing patented technologies can only be simple realization refrigeration or heat, and can not realize the regulation and control of its temperature, thereby can not make the driver and conductor obtain best travelling comfort.
Summary of the invention
The purpose of the utility model is to address the above problem, and a kind of later-model automobile air-conditioning seat that utilizes semiconductor chilling plate to regulate and control the automotive seat surface temperature fast effectively and accurately is provided.
The above-mentioned purpose of the utility model realizes that through following technical scheme accompanying drawings is following:
A kind of automobile air-conditioning seat; Mainly form by seat body, direct supply, electronic controller ECU with electronic controller ECU bonded assembly parts; Be equipped with on the cushion sponge of said seat body and the covering with skeleton and sponge between the hole that communicates of cavity, contactless infrared temperature sensor 3, hot-side temperature sensor 2, functional select switch 4 link to each other with said electronic controller ECU5 input end with temperature adjustment button 1; Semiconductor chilling plate selecting arrangement 11, the 2nd PWM FPRC Fuel Pressure Regulator Control device 12, H drive axle IC apparatus 6 link to each other with said electronic controller ECU5 mouth with first fan 8; Semiconductor chilling plate device 10 links to each other with H drive axle IC apparatus 6 with said semiconductor chilling plate selecting arrangement 11, PWM regulator 12; Second fan 9 links to each other with a PWM FPRC Fuel Pressure Regulator Control device 7; Said contactless infrared temperature sensor 3, semiconductor chilling plate device 10, first fan 8 and second fan 9 lay respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and said functional select switch 4 is provided with refrigeration and heats button.
Said contactless infrared temperature sensor 3 lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat; And the sensor at cushion place is right against human buttock's below; The sensor at backrest place is right against the centre of scapula, and the effect of contactless infrared temperature sensor 3 is that the seat surface temperature signal is inputed to electronic controller ECU5.
The semiconductor chilling plate of said semiconductor chilling plate device 10 is 4, two miniwatt cooling pieces wherein, two common power cooling pieces; Semiconductor chilling plate device 10 lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and all there is ceramic conducting strip at each semiconductor chilling plate two ends.
Said second fan 9 lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and is positioned at the hot junction that cushion and backrest cooling piece refrigerating function are done the time spent, plays thermolysis; The rotating speed of second fan 9 converts the temperature signal value of the hot-side temperature sensor 2 that receives to the pwm signal ripple through electronic controller ECU5 and is input to a PWM FPRC Fuel Pressure Regulator Control device 7 and controls.
Said first fan 8 lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat; And be positioned at the cold junction that cushion and backrest cooling piece refrigerating function are done the time spent; 8 blasting actions of first fan are transferred to human body with cold and heat air through the hole on the cushion.
The seat temperature signal that said electronic controller ECU5 input end receiving function select switch 4 is selected to heat or refrigerating function signal and temperature adjustment button 1 are set, through two miniwatt cooling pieces in the semiconductor chilling plate selecting arrangement 11 control semiconductor chilling plate devices 10 or two common power cooling pieces or all the semiconductor chilling plate incircuit work; Said electronic controller ECU5 outputs to the 2nd PWM regulator 12 according to the temperature signal that contactless infrared temperature sensor 3 imports into the PWM ripple, controls the refrigerating capacity of the semiconductor chilling plate of semiconductor chilling plate device 10 through the variation of controlling the 2nd PWM regulator 12 output voltage values.
The utility model is the advantage of prior art relatively:
1, semiconductor chilling plate has two kinds of functions, can freeze, and can heat again.Therefore use a sheet spare just can replace discrete heating system and refrigeration system.And the shared space of a/c system is very little, need not traditional automotive seat are carried out very big change.
2, the semiconductor chilling plate thermal inertia is very little, and it is very fast to freeze, heat speed, and under the unloaded situation of the good cold junction of hot-side heat dissipation, energising was less than one minute, and cooling piece just can reach maximum temperature difference.
3, semiconductor chilling plate is without any need for refrigerant, but continuous working does not have source of pollution not have turning unit; Can not produce turning leverage; Not having slide unit is a kind of solid piece part, does not have vibrations, noise, life-span long during work, can be in the work of any position; Shock resistance and anti-vibration ability are strong, install easily.
4, semiconductor chilling plate is in light weight, and volume is little, and a/c system does not have the mechanical part working stability, and it is little to take up room, and helps automobile and develops to the light-type direction.
5, the PWM regulator is realized pressure regulation in frequency modulation, and irrelevant with the component parameters of intermediate dc link, has accelerated the dynamic response of system.
6, the convenient and swift transformation that realizes cooling piece two ends direction of current safely of H drive axle IC ability realizes the refrigeration of cooling piece and the conversion of heat-production functions.
7, contactless infrared temperature sensor can accurately be measured the temperature of human body and seat contact site efficiently, and can in time be input among the ECU, accurately realizes the regulation and control of seat surface temperature.
Description of drawings
Fig. 1 is the said a kind of automobile air-conditioning seat circuit control structure scheme drawing of the utility model.
Among the figure: 1, temperature adjustment button; 2, hot-side temperature sensor (hot junction when being placed on refrigeration); 3, contactless infrared temperature sensor; 4, functional select switch (freeze or heat); 5, electronic controller ECU; 6, H drive axle IC apparatus; 7, a PWM regulator (electric current of second fan 9 is flow through in adjusting); 8, first fan (with cooling piece refrigeration back or the air after heating send seat to); 9, second fan (heat radiation in hot junction when realizing refrigerating function); 10, semiconductor chilling plate device (two miniwatt cooling pieces, two common power cooling pieces); 11, semiconductor chilling plate selecting arrangement; 12, the 2nd PWM regulator (the quartz conductor electric current is flow through in adjusting).
The specific embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the utility model is further specified.
Consult Fig. 1, the said automotive seat air-conditioning of the utility model comprises: direct supply, electronic controller ECU5, semiconductor chilling plate, two pressure regulation PWM regulators, functional select switch 4 (freeze or heat), semiconductor chilling plate selecting arrangement 11, contactless infrared temperature sensor 3, quartz conductor hot junction temperature sensor 2, two fans, H drive axle IC apparatus 6, temperature adjustment button 1 etc.
Chaufeur is selected refrigeration or heat-production functions through functional select switch 4; Set different seat temperatures through regulating temperature adjustment buttons 1; After for example selecting heat-production functions and temperature be set to be 20 degrees centigrade; Seat-air conditioning system will constantly be regulated the temperature that makes seat surface and remain on 20 degrees centigrade, and function that sets and temperature signal are imported among the electronic controller ECU5.Under the heat-production functions condition; Temperature as setting is higher than 25 degrees centigrade; Electronic controller ECU5 output control signal makes four whole incircuits of cooling piece through semiconductor chilling plate selecting arrangement 11, and the direction of current that the conducting state of the H of control signal adjusting simultaneously drive axle IC apparatus 12 changes the cooling piece of flowing through makes its performance heat-production functions; Between 20 degrees centigrade to 25 degrees centigrade, electronic controller ECU5 output control signal makes two common power cooling piece incircuits through semiconductor chilling plate selecting arrangement 11 like the temperature set; Temperature as setting is lower than 20 degrees centigrade, and electronic controller ECU5 output control signal makes the work of two low power cooling piece incircuits through semiconductor chilling plate selecting arrangement 11.Contactless infrared temperature sensor 3 imports the temperature signal of current seat surface into electronic controller ECU5 signal input part simultaneously; Electronic controller ECU5 outputs to the 2nd PWM regulator 12 signal input parts with the PWM ripple, and when the temperature of seat surface was lower than design temperature, the 2nd PWM regulator 12 output voltage values increased; Thereby the electric current that flows into institute's incircuit cooling piece is increased; The quantity of heat production of cooling piece is increased, and when the temperature of seat surface was higher than design temperature, the 2nd PWM5 output voltage values reduced; Thereby the electric current that flows into institute's incircuit cooling piece is reduced; Heating capacity is reduced, and the heating capacity of the variation control cooling piece through PWM regulator 12 output voltage values makes the temperature of seat surface remain on the temperature place that sets.Under the refrigerating function condition; Temperature as setting is higher than 25 degrees centigrade; Electronic controller ECU5 output control signal makes two miniwatt cooling piece incircuits through semiconductor chilling plate selecting arrangement 11, and the direction of current that the conducting state of the H of control signal adjusting simultaneously drive axle IC apparatus 6 changes the cooling piece of flowing through makes its performance refrigerating function; Between 20 degrees centigrade to 25 degrees centigrade, electronic controller ECU5 output control signal makes two common power cooling piece incircuits through semiconductor chilling plate selecting arrangement 11 like the temperature set; Temperature as setting is lower than 20 degrees centigrade, and electronic controller ECU5 output control signal makes four whole incircuit work of cooling piece through semiconductor chilling plate selecting arrangement 11.Contactless infrared temperature sensor 3 imports the temperature signal of current seat surface into electronic controller ECU5 signal input part simultaneously; Electronic controller ECU5 outputs to the 2nd PWM regulator 12 signal input parts with the PWM ripple, and when the temperature of seat surface was higher than design temperature, the 2nd PWM regulator 12 output voltage values increased; Thereby the electric current that flows into institute's incircuit cooling piece is increased; The refrigerating capacity of cooling piece is increased, and when the temperature of seat surface was lower than design temperature, the 2nd PWM regulator 12 output voltage values reduced; Thereby the electric current that flows into institute's incircuit cooling piece is reduced; Refrigerating capacity is reduced, and the refrigerating capacity of the variation control cooling piece through the 2nd PWM regulator 12 output voltage values makes the temperature of seat surface remain on the temperature place that sets.Adjusting through above cooling and warming realizes that seat temperature changes with the variation of driver and conductor's demand.
Air-cooled forced heat radiation is adopted in the heat radiation in hot junction during the cooling piece refrigeration; Quartz conductor hot junction temperature sensor 2 passes to electronic controller ECU5 with the hot-side temperature signal during through the cooling piece refrigerating function; Electronic controller ECU5 converts the temperature signal value that is received to the pwm signal ripple and is input in the PWM regulator 7 and makes it regulate and control the rotating speed of second fan 9; And do the time spent heating; The signal that functional select switch 4 is selected to heat passes to electronic controller ECU5; Electronic controller ECU5 converts the signal of being accepted to the pwm signal ripple, and to be input to the electric current that its regulation and control are input in second fan 9 be 0, and second fan 9 is stopped operating.The while cooling and warming is done the cold and heat air input of time spent generation and is adopted first fan 8 that its punching through cushion is transferred to human body, realizes the regulation and control of seat temperature.
The utility model mainly provides a kind of automobile air-conditioning seat of using semiconductor chilling plate; To improve ride of vehicle; Safety, seat temperature adjustment accuracy is under the situation that does not deviate from the utility model essence; Can the structural arrangement of automobile air-conditioning seat structural arrangement and control system be done corresponding change, but these corresponding changes should belong to all within the affiliated claim protection domain of the utility model.
Claims (6)
1. automobile air-conditioning seat; Mainly form by seat body, direct supply, electronic controller ECU with electronic controller ECU bonded assembly parts; It is characterized in that; Be equipped with on the cushion sponge of said seat body and the covering with skeleton and sponge between the hole that communicates of cavity, contactless infrared temperature sensor (3), hot-side temperature sensor (2), functional select switch (4) and temperature adjustment button (1) link to each other with said electronic controller ECU (5) input end; Semiconductor chilling plate selecting arrangement (11), the 2nd PWM FPRC Fuel Pressure Regulator Control device (12), H drive axle IC apparatus (6) and first fan (8) link to each other with said electronic controller ECU (5) mouth; Semiconductor chilling plate device (10) links to each other with said semiconductor chilling plate selecting arrangement (11), PWM regulator (12) and H drive axle IC apparatus (6); Second fan (9) links to each other with a PWM FPRC Fuel Pressure Regulator Control device (7); Said contactless infrared temperature sensor (3), semiconductor chilling plate device (10), first fan (8) and second fan (9) lay respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and said functional select switch (4) is provided with refrigeration and heats button.
2. a kind of automobile air-conditioning seat according to claim 1; It is characterized in that; The seat temperature signal that said electronic controller ECU (5) input end receiving function select switch (4) is selected to heat or refrigerating function signal and temperature adjustment button (1) are set, through two miniwatt cooling pieces in semiconductor chilling plate selecting arrangement (11) the control semiconductor chilling plate device (10) or two common power cooling pieces or all the semiconductor chilling plate incircuit work; Said electronic controller ECU (5) outputs to the 2nd PWM regulator (12) according to the temperature signal that contactless infrared temperature sensor (3) imports into the PWM ripple, controls the refrigerating capacity of the semiconductor chilling plate of semiconductor chilling plate device (10) through the variation of controlling the 2nd PWM regulator (12) output voltage values.
3. a kind of automobile air-conditioning seat according to claim 1 and 2; It is characterized in that; Said contactless infrared temperature sensor (3) lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat; And the sensor at cushion place is right against human buttock's below, and the sensor at backrest place is right against the centre of scapula, and the effect of contactless infrared temperature sensor (3) is that the seat surface temperature signal is inputed to electronic controller ECU (5).
4. a kind of automobile air-conditioning seat according to claim 3 is characterized in that, the semiconductor chilling plate of said semiconductor chilling plate device (10) is 4, two miniwatt cooling pieces wherein, two common power cooling pieces; Semiconductor chilling plate device (10) lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and all there is ceramic conducting strip at each semiconductor chilling plate two ends.
5. a kind of automobile air-conditioning seat according to claim 1; It is characterized in that; Said second fan (9) lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat, and is positioned at the hot junction that cushion and backrest cooling piece refrigerating function are done the time spent, plays thermolysis; The rotating speed of second fan (9) converts the temperature signal value of the hot-side temperature sensor (2) that receives to the pwm signal ripple through electronic controller ECU (5) and is input to a PWM FPRC Fuel Pressure Regulator Control device (7) and controls.
6. a kind of automobile air-conditioning seat according to claim 1; It is characterized in that; Said first fan (8) lays respectively in the skeleton and spongiotic chamber of cushion and position of back of seat; And be positioned at the cold junction that cushion and backrest cooling piece refrigerating function are done the time spent, first fan (8) plays blasting action, and cold and heat air is transferred to human body through the hole on the cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204205182U CN202271879U (en) | 2011-10-29 | 2011-10-29 | Air conditioning seat for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204205182U CN202271879U (en) | 2011-10-29 | 2011-10-29 | Air conditioning seat for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202271879U true CN202271879U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204205182U Expired - Fee Related CN202271879U (en) | 2011-10-29 | 2011-10-29 | Air conditioning seat for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202271879U (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108332A (en) * | 2014-07-16 | 2014-10-22 | 河海大学常州校区 | Remotely-controllable automobile cooling seat |
| CN104643679A (en) * | 2015-03-02 | 2015-05-27 | 邹斌 | Multifunctional cushion |
| CN104802682A (en) * | 2015-05-20 | 2015-07-29 | 李灿欣 | Airflow hot and cold type car seat cushion |
| CN105984529A (en) * | 2015-02-05 | 2016-10-05 | 福建省泉州海丝船舶评估咨询有限公司 | Temperature adjusting cushion based on battery-operated motor cycle |
| CN106183924A (en) * | 2016-07-21 | 2016-12-07 | 何颖 | A kind of automotive seat automatic temperature control system |
| CN106466078A (en) * | 2015-08-19 | 2017-03-01 | 深圳市方宝科技有限公司 | A kind of medicated cushion radiating health-care method and its heat radiating type health-care cushion |
| CN106606141A (en) * | 2015-10-23 | 2017-05-03 | 深圳市方宝科技有限公司 | Heat-dissipation curative method of cushion and heat-dissipation curative cushion thereof |
| CN107212665A (en) * | 2017-06-21 | 2017-09-29 | 成都梓楠家具有限公司 | Electronic induction intelligent cooling chair |
| CN107244272A (en) * | 2017-06-02 | 2017-10-13 | 武汉理工大学 | The thin film type semiconductor device adjusted for automobile seat temperature |
| CN107244273A (en) * | 2017-06-15 | 2017-10-13 | 武汉理工大学 | A kind of distributed automobile seat temperature regulating device based on semiconductive thin film |
| CN108001312A (en) * | 2017-12-29 | 2018-05-08 | 智车优行科技（北京）有限公司 | Constant temperature seat, constant temperature seat regulator control system and automobile |
| CN108215957A (en) * | 2016-12-22 | 2018-06-29 | 通用汽车环球科技运作有限责任公司 | The system and method for being distributed to heat and cool down seat based on occupant's pressure |
| WO2018171366A1 (en) * | 2017-03-20 | 2018-09-27 | 廊坊市金色时光科技发展有限公司 | Automobile seat, operating principle thereof and automobile |
| CN110749121A (en) * | 2019-10-10 | 2020-02-04 | 青岛海尔智能技术研发有限公司 | Method and device for controlling operation of semiconductor refrigeration equipment and refrigeration equipment |
| CN112744048A (en) * | 2021-01-29 | 2021-05-04 | 唐代龙 | Remote thermostatic equipment |
| CN112901384A (en) * | 2020-09-01 | 2021-06-04 | 太原理工大学 | High-pressure common rail pipe of methanol fuel engine |
-
2011
- 2011-10-29 CN CN2011204205182U patent/CN202271879U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108332A (en) * | 2014-07-16 | 2014-10-22 | 河海大学常州校区 | Remotely-controllable automobile cooling seat |
| CN104108332B (en) * | 2014-07-16 | 2016-05-25 | 河海大学常州校区 | A kind of remote-controlled automobile cooling seat |
| CN105984529A (en) * | 2015-02-05 | 2016-10-05 | 福建省泉州海丝船舶评估咨询有限公司 | Temperature adjusting cushion based on battery-operated motor cycle |
| CN104643679A (en) * | 2015-03-02 | 2015-05-27 | 邹斌 | Multifunctional cushion |
| CN104802682A (en) * | 2015-05-20 | 2015-07-29 | 李灿欣 | Airflow hot and cold type car seat cushion |
| CN106466078A (en) * | 2015-08-19 | 2017-03-01 | 深圳市方宝科技有限公司 | A kind of medicated cushion radiating health-care method and its heat radiating type health-care cushion |
| CN106606141A (en) * | 2015-10-23 | 2017-05-03 | 深圳市方宝科技有限公司 | Heat-dissipation curative method of cushion and heat-dissipation curative cushion thereof |
| CN106183924A (en) * | 2016-07-21 | 2016-12-07 | 何颖 | A kind of automotive seat automatic temperature control system |
| CN108215957B (en) * | 2016-12-22 | 2020-12-01 | 通用汽车环球科技运作有限责任公司 | System and method for heating and cooling vehicle seats based on occupant pressure distribution |
| CN108215957A (en) * | 2016-12-22 | 2018-06-29 | 通用汽车环球科技运作有限责任公司 | The system and method for being distributed to heat and cool down seat based on occupant's pressure |
| WO2018171366A1 (en) * | 2017-03-20 | 2018-09-27 | 廊坊市金色时光科技发展有限公司 | Automobile seat, operating principle thereof and automobile |
| US10773617B2 (en) | 2017-03-20 | 2020-09-15 | Langfang Golden Time Technology Development Co., Ltd. | Automobile seat and working principle thereof and automobile |
| CN107244272A (en) * | 2017-06-02 | 2017-10-13 | 武汉理工大学 | The thin film type semiconductor device adjusted for automobile seat temperature |
| CN107244273A (en) * | 2017-06-15 | 2017-10-13 | 武汉理工大学 | A kind of distributed automobile seat temperature regulating device based on semiconductive thin film |
| CN107244273B (en) * | 2017-06-15 | 2020-02-18 | 武汉理工大学 | Distributed automobile seat temperature adjusting device based on semiconductor film |
| CN107212665A (en) * | 2017-06-21 | 2017-09-29 | 成都梓楠家具有限公司 | Electronic induction intelligent cooling chair |
| CN108001312A (en) * | 2017-12-29 | 2018-05-08 | 智车优行科技（北京）有限公司 | Constant temperature seat, constant temperature seat regulator control system and automobile |
| CN110749121A (en) * | 2019-10-10 | 2020-02-04 | 青岛海尔智能技术研发有限公司 | Method and device for controlling operation of semiconductor refrigeration equipment and refrigeration equipment |
| CN110749121B (en) * | 2019-10-10 | 2024-05-17 | 青岛海尔智能技术研发有限公司 | Method and device for controlling operation of semiconductor refrigeration equipment and refrigeration equipment |
| CN112901384A (en) * | 2020-09-01 | 2021-06-04 | 太原理工大学 | High-pressure common rail pipe of methanol fuel engine |
| CN112901384B (en) * | 2020-09-01 | 2022-05-10 | 太原理工大学 | High-pressure common rail pipe of methanol fuel engine |
| CN112744048A (en) * | 2021-01-29 | 2021-05-04 | 唐代龙 | Remote thermostatic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20121029 |