CN108082160B - Vehicle control system and working method thereof - Google Patents

Vehicle control system and working method thereof Download PDF

Info

Publication number
CN108082160B
CN108082160B CN201711327265.2A CN201711327265A CN108082160B CN 108082160 B CN108082160 B CN 108082160B CN 201711327265 A CN201711327265 A CN 201711327265A CN 108082160 B CN108082160 B CN 108082160B
Authority
CN
China
Prior art keywords
port
valve
gear
oil
hydraulic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711327265.2A
Other languages
Chinese (zh)
Other versions
CN108082160A (en
Inventor
沈青莲
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Tanscar Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711327265.2A priority Critical patent/CN108082160B/en
Publication of CN108082160A publication Critical patent/CN108082160A/en
Application granted granted Critical
Publication of CN108082160B publication Critical patent/CN108082160B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/24Single initiating means operating on more than one circuit, e.g. dual circuits

Abstract

The invention provides a vehicle control system and a working method thereof. The gear selecting operation valve comprises a control lever. (1) The invention can make the tractor and trailer have parking brake when the vehicle is in neutral position, so that the vehicle is not easy to have accidents when the vehicle is parked on the slope for operation; (2) the invention can realize the parking brake of the trailer when the tractor is parked and braked without arranging the parking brake valve, the pneumatic control valve, the relay valve, the one-way valve and the second air bag of the tractor, thereby simplifying the system of the vehicle.

Description

Vehicle control system and working method thereof
The application is a divisional application, and the application number 201511009469.2 of the original application is invented and named as: a vehicle gear selection and parking brake combined control system is disclosed, which is applied for the day: 2015-12-30.
Technical Field
The invention relates to the technical field of vehicle control, in particular to a vehicle gear selection and parking brake combined control system.
Background
The trailer comprises a tractor and a trailer, and some trailers need to work when parking, at the moment, the vehicle is required to be put into a neutral position, and the tractor parking brake valve is operated to carry out parking braking, in practice, parking operation is often carried out without operating the tractor parking brake valve to carry out parking braking, and at the moment, the vehicle is easy to cause accidents on a slope. In addition, when the vehicle works on a slope with a large gradient, the tractor and the trailer are required to be provided with parking brakes, so that the vehicle cannot slide down on the slope. Chinese grant publication No. CN203819220U utility model patent specification discloses a colliery is parking brake system with trailer in pit, has solved the problem that the trailer also has the braking when the tractor parks the braking, but this kind of system need set up tractor parking brake valve, gas accuse valve 10, relay valve 11, check valve 12, second gas bag 13, and generally the vehicle still need set up the select shelves operating valve, and therefore the system is comparatively complicated. In addition, the vehicle can not be braked when being parked in a neutral position, so that the potential safety hazard exists.
Disclosure of Invention
the invention aims to provide a vehicle gear selection and parking brake combined control system which has simple system and is provided with parking brakes on a tractor and a trailer when neutral is engaged.
in order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a vehicle gear selection, parking braking combined control system includes oil tank, filter, hydraulic pump, relief valve, tractor parking brake, tractor parking pneumatic cylinder, liquid accuse pneumatic valve, gas bag, booster, characterized by: also comprises a gear selecting operation valve, a forward gear clutch, a reverse gear clutch and a shuttle valve, the hydraulic control valve, the energy accumulator, the trailer parking brake and the trailer parking hydraulic cylinder, the gear selecting operation valve comprises an operating lever, an oil inlet of the hydraulic pump is connected with an oil tank through a filter, an oil outlet of the hydraulic pump is connected with an oil inlet P port of the gear selecting operation valve, an execution port A port of the gear selecting operation valve is respectively connected with an A port of a forward gear clutch and an A port of a shuttle valve through two oil channels, an execution port B port of the gear selecting operation valve is respectively connected with a C port of a backward gear clutch and a C port of the shuttle valve through two oil channels, a B port of the shuttle valve is connected with a control port K port of the hydraulic control valve, the oil inlet P port of the hydraulic control valve is connected with a power element, the execution port A port of the hydraulic control valve is respectively connected with a control port K port of the tractor parking hydraulic cylinder and the hydraulic; an air inlet port P of the hydraulic control air valve is connected with the air bag, an execution port A of the hydraulic control air valve is connected with a booster, the booster is connected with a trailer parking hydraulic cylinder, and the trailer parking hydraulic cylinder controls a trailer parking brake to act; the operating rod of the gear selecting operating valve is connected with a gear selector in a cab through a flexible shaft.
Preferably, an oil return passage is arranged between an oil outlet of the hydraulic pump and the oil tank, and the safety valve is arranged in the oil return passage.
Preferably, the power element is an accumulator.
the invention has the following positive effects: (1) the invention can make the tractor and trailer have parking brake when the vehicle is in neutral position, so that the vehicle is not easy to have accidents when the vehicle is parked on the slope for operation; (2) the invention can realize the parking brake of the trailer when the tractor is parked and braked without arranging the parking brake valve, the pneumatic control valve, the relay valve, the one-way valve and the second air bag of the tractor, thereby simplifying the system of the vehicle.
Drawings
FIG. 1 is a hydraulic schematic of the present invention.
Detailed Description
Referring to fig. 1, the vehicle gear selection and parking brake combined control system comprises an oil tank 1, a filter 2, a hydraulic pump 3, a safety valve 4, a tractor parking brake 11, a tractor parking hydraulic cylinder 12, a hydraulic control air valve 13, an air bag 14, an assistor 15, a gear selection operation valve 5, a forward gear clutch 6, a reverse gear clutch 7, a shuttle valve 8, a hydraulic control valve 9, an energy accumulator 10, a trailer parking brake 16 and a trailer parking hydraulic cylinder 17. The select operation valve 5 includes an operating lever 5-1.
An oil inlet of a hydraulic pump 3 is connected with an oil tank 1 through a filter 2, an oil outlet of the hydraulic pump 3 is connected with an oil inlet P port of a gear selecting operation valve 5, an execution port A port of the gear selecting operation valve 5 is respectively connected with an advancing gear clutch 6 and an A port of a shuttle valve 8 through two oil channels, an execution port B port of the gear selecting operation valve 5 is respectively connected with a backing gear clutch 7 and a C port of the shuttle valve 8 through two oil channels, a port B of the shuttle valve 8 is connected with a control port K port of a hydraulic control valve 9, an oil inlet P port of the hydraulic control valve 9 is connected with an energy accumulator 10, an execution port A port of the hydraulic control valve 9 is respectively connected with a parking hydraulic cylinder 12 and a control port K port of a hydraulic control air valve 13 through two oil channels, and the parking hydraulic cylinder 12 controls a parking brake 11 of a tractor. An air inlet port P of the hydraulic control air valve 13 is connected with the air bag 14, an execution port A of the hydraulic control air valve 13 is connected with the booster 15, the booster 15 is connected with the trailer parking hydraulic cylinder 17, and the trailer parking hydraulic cylinder 17 controls the action of the trailer parking brake 16. The operating lever 5-1 of the gear selecting operating valve 5 is connected with a gear selector in a cab through a flexible shaft, and the operating gear selector enables the operating lever 7-1 to move up and down through the flexible shaft.
An oil return channel is arranged between the oil outlet of the hydraulic pump 3 and the oil tank 1, and a safety valve 4 is arranged in the oil return channel.
When the vehicle needs to go forward, the driver operates the gear selector in the cab to make it in the forward gear, the port P of the gear selecting operation valve 5 is communicated with the port A of the execution port, the forward gear clutch 6 is in the combination state, the power shaft is combined with the forward shaft, and the vehicle can go forward. Meanwhile, pressure oil enters a control port K of the hydraulic control valve 9 through a port A of the shuttle valve 8, an oil inlet P of the hydraulic control valve 9 is communicated with an execution port A, the pressure oil of the energy accumulator 10 enters a tractor parking hydraulic cylinder 12 through the hydraulic control valve 9 to push a moving plate and a static plate in a tractor parking brake 11 to be separated, and the tractor parking brake is released. Meanwhile, pressure oil enters a control port K of the hydraulic control air valve 13 to push the hydraulic control air valve 13 to act, a port P of the hydraulic control air valve 13 is communicated with a port A, air in the air bag 14 enters the booster 15 through the hydraulic control air valve 13 to push hydraulic oil to enter the trailer parking hydraulic cylinder 17, so that a moving plate and a static plate in the trailer parking brake 16 are separated, and the parking brake of the trailer is released.
When the vehicle needs to move backwards, the driver operates the gear selector in the cab to make the gear selector in the reverse gear, the port P of the gear selecting operation valve 5 is communicated with the port B of the execution port, the reverse gear clutch 7 is in a combined state, the power shaft is combined with the reverse shaft, and the vehicle can move backwards. Meanwhile, pressure oil enters a control port K of the hydraulic control valve 9 through a port B of the shuttle valve 8, an oil inlet P of the hydraulic control valve 9 is communicated with an execution port A, the pressure oil of the energy accumulator 10 enters a tractor parking hydraulic cylinder 12 through the hydraulic control valve 9 to push a moving plate and a static plate in a tractor parking brake 11 to be separated, and the tractor parking brake is released. Meanwhile, pressure oil enters a control port K of the hydraulic control air valve 13 to push the hydraulic control air valve 13 to act, a port P of the hydraulic control air valve 13 is communicated with a port A, air in the air bag 14 enters the booster 15 through the hydraulic control air valve 13 to push hydraulic oil to enter the trailer parking hydraulic cylinder 17, so that a moving plate and a static plate in the trailer parking brake 16 are separated, and the parking brake of the trailer is released.
when the vehicle needs to be parked, the driver operates the gear selector in the cab to be in a neutral position, the port P of the gear selection operation valve 5 is not communicated with the ports a and B, the forward clutch 6 and the reverse clutch 7 are both in a separated state, and the vehicle cannot move forward or backward. Pressure oil does not enter a control port K of the hydraulic control valve 9 through a port A or a port B of the shuttle valve 8, at the moment, an oil inlet P of the hydraulic control valve 9 is not communicated with an execution port A, the pressure oil of the energy accumulator 10 cannot enter a parking hydraulic cylinder 12 of the tractor through the hydraulic control valve 9, a moving plate and a static plate in the parking brake 11 are combined under the action of spring force, and the parking brake of the tractor is activated. Meanwhile, no pressure oil enters the control port K of the hydraulic control air valve 13, the port P and the port A of the hydraulic control air valve 13 are not communicated, air in the air bag 14 cannot enter the booster 15 through the hydraulic control air valve 13, no hydraulic oil enters the trailer parking hydraulic cylinder 17, the moving plate and the static plate in the trailer parking brake 16 are combined under the action of the spring force, and the trailer parking brake is also activated.

Claims (1)

1. The working method of the vehicle gear selection and parking brake combined control system comprises an oil tank (1), a filter (2), a hydraulic pump (3), a safety valve (4), a tractor parking brake (11), a tractor parking hydraulic cylinder (12), a hydraulic control air valve (13), an air bag (14) and an assistor (15), and is characterized in that: the automatic transmission system also comprises a gear selecting operation valve (5), a forward gear clutch (6), a backward gear clutch (7), a shuttle valve (8), a hydraulic control valve (9), an energy accumulator (10), a trailer parking brake (16) and a trailer parking hydraulic cylinder (17), wherein the gear selecting operation valve (5) comprises an operating lever (5-1), an oil inlet of a hydraulic pump (3) is connected with an oil tank (1) through a filter (2), an oil outlet of the hydraulic pump (3) is connected with an oil inlet P port of the gear selecting operation valve (5), an execution port A of the gear selecting operation valve (5) is respectively connected with an A port of the forward gear clutch (6) and an A port of the shuttle valve (8) through two oil channels, an execution port B of the gear selecting operation valve (5) is respectively connected with a C port of the backward gear clutch (7) and the shuttle valve (8) through two oil channels, a port B of the shuttle valve (8) is connected with a control port K port of the shuttle valve (9), an oil inlet P port of the hydraulic control valve (9) is connected with a power element, an execution port A port of the hydraulic control valve (9) is respectively connected with a tractor parking hydraulic cylinder (12) and a control port K port of a hydraulic control air valve (13) through two oil channels, and the tractor parking hydraulic cylinder (12) controls a tractor parking brake (11) to act; an air inlet P port of the hydraulic control air valve (13) is connected with the air bag (14), an execution port A port of the hydraulic control air valve (13) is connected with a booster (15), the booster (15) is connected with a trailer parking hydraulic cylinder (17), and the trailer parking hydraulic cylinder (17) controls a trailer parking brake (16) to act; a control lever (5-1) of the gear selecting operation valve (5) is connected with a gear selector positioned in a cab through a flexible shaft;
An oil return channel is arranged between an oil outlet of the hydraulic pump (3) and the oil tank (1), and a safety valve (4) is arranged in the oil return channel;
The working method comprises the following steps:
When the vehicle needs to move forward, a driver operates a gear selector in a cab to make the gear selector on a forward gear, a port P of a gear selecting operation valve (5) is communicated with a port A of an execution port, a forward gear clutch (6) is in a combined state, a power shaft is combined with a forward shaft, and the vehicle moves forward;
When the vehicle needs to move backwards, a driver operates a gear selector positioned in a cab to make the gear selector move to the reverse gear, a port P of a gear selecting operation valve (5) is communicated with a port B of an execution port thereof, a reverse gear clutch (7) is in a combined state, a power shaft is combined with a reverse shaft, and the vehicle moves backwards.
CN201711327265.2A 2015-12-30 2015-12-30 Vehicle control system and working method thereof Active CN108082160B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711327265.2A CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711327265.2A CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof
CN201511009469.2A CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201511009469.2A Division CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

Publications (2)

Publication Number Publication Date
CN108082160A CN108082160A (en) 2018-05-29
CN108082160B true CN108082160B (en) 2019-12-13

Family

ID=55709633

Family Applications (6)

Application Number Title Priority Date Filing Date
CN201711328031.XA Active CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and working method
CN201711207761.4A Active CN107914688B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combination control method
CN201511009469.2A Active CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system
CN201711327305.3A Active CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201711327228.1A Active CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method
CN201711327265.2A Active CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof

Family Applications Before (5)

Application Number Title Priority Date Filing Date
CN201711328031.XA Active CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and working method
CN201711207761.4A Active CN107914688B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combination control method
CN201511009469.2A Active CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system
CN201711327305.3A Active CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201711327228.1A Active CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method

Country Status (1)

Country Link
CN (6) CN108068783B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015115851A1 (en) * 2015-09-21 2017-03-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Method for operating a team
CN108361371B (en) * 2016-05-31 2019-07-12 温州文宏科技有限公司 Running gear and its working method are forbidden using the opening door of vehicle of master controller
CN106004841B (en) * 2016-06-13 2018-06-29 陈雅婷 A kind of braking method of vehicle booster brake apparatus
CN105946831B (en) * 2016-06-13 2018-06-29 青岛华瑞丰机械有限公司 Vehicle booster brake apparatus
CN106089453B (en) * 2016-07-29 2019-08-09 湖北正兴设备制造有限公司 The exhaust brake flameout system of vehicle
CN109109839B (en) * 2016-07-29 2020-10-30 南京朗禾智能控制研究院有限公司 Parking brake control system of vehicle for reducing abrasion of brake disc
CN106194442B (en) * 2016-08-02 2019-05-07 青岛天宇佳铸钢有限公司 A kind of throttle of vehicle, gear, exhaust brake combination control method
CN108757604B (en) * 2017-05-09 2019-11-12 常州爱上学教育科技有限公司 The vehicle block selecting automatic traveling crane system and working method of main controller controls
CN108639033B (en) * 2018-05-28 2024-04-09 徐工集团工程机械股份有限公司科技分公司 Hand brake system and method for loader with trailer
CN112124282A (en) * 2018-08-25 2020-12-25 常州爱上学教育科技有限公司 Linkage control device for gear and parking brake of vehicle
CN109484381A (en) * 2018-11-04 2019-03-19 刘剑 The gear and brake linkage of vehicle
CN109484382A (en) * 2018-11-05 2019-03-19 刘剑 The stopping brake control device of vehicle
CN112810593B (en) * 2018-12-21 2023-10-17 常州爱上学教育科技有限公司 Vehicle braking device and working method thereof
IT201900020296A1 (en) * 2019-11-04 2021-05-04 Safim S P A DEVICE FOR CONTROLLING THE BRAKING OF A TRAILER
CN110949363A (en) * 2019-12-24 2020-04-03 刘剑 Clutch control device for forklift
CN111963587B (en) * 2020-09-03 2021-12-07 合肥中辰轻工机械有限公司 Pneumatic control system and method of clutch
CN113386728B (en) * 2021-06-15 2022-04-05 河南科技大学 Soft braking and energy regeneration proportional control system of gearbox

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697853A (en) * 1985-02-23 1987-10-06 Daimler-Benz Aktiengesellschaft Pressure-medium braking system for vehicles
KR20050049619A (en) * 2003-11-22 2005-05-27 현대자동차주식회사 Integrated air supply apparatus in commercial vehicle
CN102139691A (en) * 2011-03-01 2011-08-03 湖南南车时代电动汽车股份有限公司 Parking linkage method and device based on AMT (Automatic Mechanical Transmission)
CN103879429A (en) * 2014-03-28 2014-06-25 常州科研试制中心有限公司 Automobile parking braking and gear combination control system
CN103895630A (en) * 2014-03-28 2014-07-02 常州科研试制中心有限公司 Cage truck for underground coal mine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410270C2 (en) * 1984-03-21 1996-01-25 Rolf Teibtner Braking device for trailers of towing vehicles
CN203819219U (en) * 2014-03-28 2014-09-10 常州科研试制中心有限公司 Cage car for underground coal mine
CN103879394B (en) * 2014-03-28 2016-04-20 常州科研试制中心有限公司 The parking brake system of underground mine use towed vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697853A (en) * 1985-02-23 1987-10-06 Daimler-Benz Aktiengesellschaft Pressure-medium braking system for vehicles
KR20050049619A (en) * 2003-11-22 2005-05-27 현대자동차주식회사 Integrated air supply apparatus in commercial vehicle
CN102139691A (en) * 2011-03-01 2011-08-03 湖南南车时代电动汽车股份有限公司 Parking linkage method and device based on AMT (Automatic Mechanical Transmission)
CN103879429A (en) * 2014-03-28 2014-06-25 常州科研试制中心有限公司 Automobile parking braking and gear combination control system
CN103895630A (en) * 2014-03-28 2014-07-02 常州科研试制中心有限公司 Cage truck for underground coal mine

Also Published As

Publication number Publication date
CN108068783A (en) 2018-05-25
CN107914688A (en) 2018-04-17
CN108068783B (en) 2019-12-10
CN105501200B (en) 2018-06-26
CN108082158A (en) 2018-05-29
CN105501200A (en) 2016-04-20
CN108068782A (en) 2018-05-25
CN108068782B (en) 2019-07-16
CN107914688B (en) 2019-11-26
CN108082158B (en) 2019-12-10
CN108082160A (en) 2018-05-29

Similar Documents

Publication Publication Date Title
CN108082158B (en) Vehicle gear selection and parking brake combined control system
CN107650895B (en) Forward and reverse logic double-loop brake control system
CN104527628A (en) Micro-motion function and hydraulic brake control system of wheeled dozer
CN108979869B (en) Vehicle with a steering wheel
CN108909699B (en) Linkage control device for gear and parking brake of vehicle
CN108177640A (en) The stop device of vehicle
CN103895630A (en) Cage truck for underground coal mine
CN102717788A (en) Braking device of heavy-duty mining dump truck
US3437184A (en) Method of neutralizing transmission and braking vehicle when shifting between forward and reverse
CN211765477U (en) Full hydraulic brake system of loader
CN202463578U (en) Hydraumatic-power-assisted tractor clutch controlling mechanism
CN108909695B (en) Parking brake device for vehicle
CN110979276A (en) Parking brake mechanism and gear mechanism linkage device of vehicle
CN108394396B (en) Loader service braking system
CN210176389U (en) Forklift braking system
CN109484381A (en) The gear and brake linkage of vehicle
CN115257672A (en) Braking system and engineering machinery
CN201802789U (en) Totally closed multi-disc wet brake device
CN101251135A (en) Hydraulic cylinder as well as drive unit for accelerating and braking vehicle
CN205190569U (en) Intelligent clutch actuating mechanism of mining car
CN106696938B (en) Decoupling type electric power-assisted braking system based on X-shaped arrangement
EP2990278B1 (en) A powered vehicle including a spring-applied hydraulic release (sahr) brake
DE112015003007T5 (en) braking device
CN212290176U (en) Hydraulic brake system of electric vehicle
CN212337763U (en) Hydraulic time-delay valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Shen Qinglian

Inventor after: Other inventor requests not to publish the name

Inventor before: Request for anonymity

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200909

Address after: 213000 Jiangsu Province, Changzhou New District Deputy District 8 Hohai road 402

Patentee after: Zhou Jie

Address before: 213000 Jiangsu Province, Changzhou New District Deputy District 8 Hohai road 402

Patentee before: Wu Jie

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230609

Address after: 130000 room 612, office building of Management Committee of Changchun Lvyuan Economic Development Zone, No. 7777 Changbai Road, Lvyuan District, Changchun City, Jilin Province

Patentee after: JILIN TANSCAR Ltd.

Address before: 213000 402, 8a, Shimao community, Hehai East Road, Xinbei District, Changzhou City, Jiangsu Province

Patentee before: Zhou Jie