CN103407364B - The hybrid power system for automobile of generator of engine gear-box driving and mixed method - Google Patents
The hybrid power system for automobile of generator of engine gear-box driving and mixed method Download PDFInfo
- Publication number
- CN103407364B CN103407364B CN201310319017.9A CN201310319017A CN103407364B CN 103407364 B CN103407364 B CN 103407364B CN 201310319017 A CN201310319017 A CN 201310319017A CN 103407364 B CN103407364 B CN 103407364B
- Authority
- CN
- China
- Prior art keywords
- electromotor
- accumulator
- gear
- permanent magnet
- box
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The hybrid power system for automobile of generator of engine gear-box driving and mixed method.Hybrid vehicle refers to the automobile simultaneously equipping two kinds of power resources heat dynamic resources with electrodynamic source.In recent years, under an urgent demand of ambient pressure, the cry of energy-saving and emission-reduction is improved by people day by day, and the emission problem of traditional power automobile can not be ignored by people.The composition of the present invention includes: electromotor (2), described electromotor and electromotor (1) are by magnetic driver mechanism A(8) coaxially connected, described electromotor is connected with turbocharging power generation energy recycle device (5), described turbocharging power generation energy recycle device is connected with accumulator (3), described accumulator is connected with described electromotor, described electromotor passes through magnetic driver mechanism B(16 with gear-box (6)) it is connected, described gear-box is connected with drive axle (7).The present invention is for the offer of automobile power.
Description
Technical field:
The present invention relates to hybrid power system for automobile and mixed method that a kind of generator of engine gear-box drives.
Background technology:
In recent years, along with Global Oil resource is nervous and the motor vehicle exhaust emission continuous aggravation to urban atmospheric pollution,
Demand for research environmental protection, energy-efficient automobile dynamic system is the most urgent.
Hybrid vehicle (Hybrid Electrical Vehicle is called for short HEV) refers to equip two kinds of power simultaneously
Source heat dynamic resource (being produced by traditional gasoline engine or diesel engine) and the automobile of electrodynamic source (battery and motor).
By using motor on hybrid vehicle so that dynamical system can require to adjust flexibly according to the actual operating mode of car load
Control, and electromotor works in being maintained at the region that combination property is optimal, thus reduce oil consumption and discharge.In recent years, in environment pressure
Under an urgent demand of power, the cry of energy-saving and emission-reduction is improved by people day by day, and the emission problem of traditional power automobile can not be
People are ignored.Increasing people place on hope in the progress of new energy technology, expect that it can bring us effective
The means of measure improve environmental problem.But owing to being affected by reasons such as high cost and technology maturity are not enough, the biggest portion
Point new-energy automobile remains " being unable to reach ", and really contribute to energy-conserving and environment-protective is with oil electricity mixing dual dynamic
For the mixed motor-car represented.According to rough Statistics, by 2011, hybrid vehicle in the world saved 650 altogether
The gasoline of more than ten thousand liters, decreases the discharge of 18,000,000 tons of carbon dioxide.
Due to present stage, to there is energy as the battery of one of the critical component of pure electric automobile and fuel cell car close
Spend the problems such as low, the life-span is shorter, price is higher so that the cost performance of electric automobile cannot resist mutually with traditional internal-combustion engines vehicle
Weighing apparatus.In such a case, the mixed power electric car (HEV) merging internal-combustion engines vehicle and electric automobile advantage is a dark horse,
Worldwide become the focus of new automobile exploitation.
Summary of the invention:
It is an object of the invention to provide hybrid power system for automobile and mixing that a kind of generator of engine gear-box drives
Method.
Above-mentioned purpose is realized by following technical scheme:
The hybrid power system for automobile that a kind of generator of engine gear-box drives, its composition includes: electromotor, described
Electromotor and electromotor coaxially connected by magnetic driver mechanism A, described electromotor and turbocharging power generation energy
Amount retracting device connects, and described turbocharging power generation energy recycle device is connected with accumulator, and described accumulator is with described
Electromotor connect, described electromotor is connected by magnetic driver mechanism B with gear-box, described gear-box with drive
Dynamic bridging connects, and described gear-box includes gear wheel-train A, gear wheel-train B, described gear wheel-train A and described gear
Train B connects, and described gear wheel-train A is connected with described magnetic driver mechanism B, described gear wheel-train B
Being connected with described drive axle, described turbocharging power generation energy recycle device includes turbocharger, compressor, high speed the most forever
Magneto, described turbocharger is connected with described high-speed permanent magnet motor, described high-speed permanent magnet motor and described pressure
Mechanism of qi connect, described high-speed permanent magnet motor is connected with described accumulator, described electromotor respectively with described compressor,
Described turbocharger connects, and described magnetic driver mechanism includes conductor rotor, PM rotor, described conductor
Rotor is connected with drive shaft, and described PM rotor is connected with bearing axle, and described magnetic driver mechanism is by driving
Induced field between conductor rotor and the PM rotor of bearing axle one end of axle one end interacts and produces torque, by adjusting
Gap between joint permanent magnet and conductor just can control the torque of transmission, thus realizes the Intelligent adjustment driven.
The hybrid power system for automobile mixed method that described generator of engine gear-box drives, electromotor-generating
Machine-battery charging mode: now, engine start works, and magnetic driver mechanism connects；When the engine operates,
Direct drive generator, charges for accumulator；Meanwhile, turbocharging power generation energy recycle device starts, and carries out the recovery of energy
Utilizing, charge to accumulator, a part of power that electromotor sends flows to gear-box, and another part then passes through magnetic couple
Drive mechanism drives electrical power generators；The electric energy that electromotor sends flows to accumulator；Turbocharging power generation energy recycle device
By absorbing the heat energy in engine exhaust, it is converted into electric energy by TRT and charges to accumulator；By by turbocharging
Device-high-speed permanent magnet motor-accumulator effective integration realizes, and drives high-speed permanent magnet motor to generate electricity, to electric power storage by turbine
Charge in pond, it is achieved the recycling of energy；Meanwhile, compressor produces compressed air, it is provided that use to electromotor, high-speed permanent magnetic electricity
Machine has generating-electric functions concurrently, and when the engine starts, turbocharger can be worked by accumulator electrical energy drive, completes
Function of increasing pressure；After turbocharger starts, high-speed permanent magnet motor can charge to accumulator as generator operation.
Beneficial effect:
1. the present invention on-mechanical type of belt drive by magnetic couple, eliminates complex working condition to engine behavior
Impact so that electromotor can be maintained under state stable, efficient, oligosaprobic operation, thus reaches the mesh of energy-saving and emission-reduction
's；With magnetic driver for core design thought, it is achieved that the flexible topology of mixed power system structure and energy stream excellent
Change and control, it is possible to provide internal combustion engine and the multiple drive modes of electric power mixing, thus meet various use requirement；Effectively overcome biography
The problems such as under system type of belt drive, structure is complicated, energy consumption high, vibration is big, reliability is low, simple and reliable for structure, control convenient precisely,
It is obviously improved the transmission performance of hybrid power system, effectively reduces the power consumption penalty of transmission process.Due to magnetic couple machine
The rotating speed matching range of structure is the widest, goes for rotation speed change from thousand of situations forwarding several ten thousand turns to, is particularly suitable for those
It is difficult to the high efficience motor that carries out being mechanically connected, such as gas turbine, Stirling engine etc. with drive axle.Therefore, magnetic is used
Power coupling mechanism, so that automobile uses high efficience motor to be possibly realized, thus improves efficiency of energy utilization further, reduces
Discharge.
The present invention uses suitable fuel conversion equipment (such as internal combustion engine), energy storage device and motor as hybrid power
Source, under tight control strategy controls, makes fuel conversion equipment, energy storage device and motor work as far as possible under driving operating mode
In high efficiency, low emission zone, thus it is substantially improved the automobile fuel-economy performance when different operating modes travel, exhaust emissions
Energy and other serviceabilities.Hybrid vehicle combines the advantage of traditional combustion engine automobile and electric automobile, and course continuation mileage is not
Restricted, and the change for orthodox car is little, and the input that industrialization produces compares fuel cell car also much less.
The present invention provides the internal combustion engine-electric motor hybrid system of high-efficient energy-saving environment friendly, it is achieved multiple drive modes
Cooperation and integration, keep electromotor design point work, effectively overcome the electromotor efficiency when low speed and off-design point low, row
Put and pollute high problem.
The magneto of the present invention as electrode equipped with the high permanent magnet of magnetic energy density, has power density and turns
Square density is high, efficiency is high, power factor is high, reliability is high and is easy to the advantage safeguarded, uses the driving of vector controlled to control system
System can make magneto have the speed adjustable range of broadness, the water that motor overall efficiency will be made to be up to even more than conventional art
Flat.
The magnetic driver mechanism of the present invention is the conductor by drive end and by the sense between the permanent magnet of drive end
Answer magnetic field interaction to produce torque, just can control the moment of torsion of transmission by the gap between regulation permanent magnet and conductor and turn
Speed, it is achieved that driving and linked by the mechanical of driving side and the Intelligent adjustment of driven loads.Electromotor passes through with electromotor
Magnetic couple mechanism can form power chain.Due to engine and load between, be no longer traditional mechanical connection, but
Magnetic couple connects, can alleviate to greatest extent electromotor operationally by concrete operating mode affected, thus significantly drop
The technical difficulty of low dynamics system control mode, and effectively reduce engine emission.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention.In figure, 1 is electromotor, and 2 is electromotor, and 3 is accumulator, 4
For gear wheel-train B, 5 is turbocharging power generation energy recycle device, and 6 is gear-box, and 7 is drive axle, and 8 is magnetic couple
Drive mechanism A, 16 is magnetic driver mechanism B, and 17 is gear wheel-train A.
Accompanying drawing 2 is the structure principle chart of the turbocharger energy regenerating utilization of the present invention.In figure, 13 is compressor, 14
For high-speed permanent magnet motor, 15 is turbocharger.
Accompanying drawing 3 is the schematic diagram of the magnetic driver mechanism of the present invention.In figure, 9 is drive shaft, and 10 is conductor rotor,
11 is PM rotor, and 12 is bearing axle.
Detailed description of the invention:
Embodiment 1:
The hybrid power system for automobile that a kind of generator of engine gear-box drives, its composition includes: electromotor 2, institute
The electromotor stated is increased with turbine by magnetic driver mechanism A, piece number: 8 is coaxially connected, described electromotor with electromotor 1
Hair Fixer electric flux retracting device 5 connects, and described turbocharging power generation energy recycle device is connected with accumulator 3, described storage
Battery is connected with described electromotor, and described electromotor and gear-box 6 are by magnetic driver mechanism B, piece number: 16 even
Connecing, described gear-box is connected with drive axle 7.
Embodiment 2:
The hybrid power system for automobile driven according to the generator of engine gear-box described in embodiment 1, described tooth
Roller box includes gear wheel-train A, piece number: 17, gear wheel-train B, piece number: 4, and described gear wheel-train A takes turns with described gear
Being that B connects, described gear wheel-train A is connected with described magnetic driver mechanism B, described gear wheel-train B
It is connected with described gear-box.
Embodiment 3:
The hybrid power system for automobile driven according to the generator of engine gear-box described in embodiment 1, described whirlpool
Wheel supercharging generated energy retracting device includes turbocharger 15, compressor 13, high-speed permanent magnet motor 14, described turbine
Supercharger is connected with described high-speed permanent magnet motor, and described high-speed permanent magnet motor is connected with described compressor, described height
Speed magneto be connected with described accumulator, described electromotor respectively with described compressor, described turbocharger
Connect.
Embodiment 4:
The hybrid power system for automobile driven according to the generator of engine gear-box described in embodiment 1, described magnetic
Power coupled transmission mechanism includes conductor rotor 10, PM rotor 11, and described conductor rotor is connected with drive shaft 9, described
PM rotor is connected with load 12 axles, and described magnetic driver mechanism is by the conductor of motor one end and load one end
Permanent magnet between induced field interact produce torque, by regulation permanent magnet and conductor between gap just can control
The torque of system transmission, thus realize the Intelligent adjustment driven.
Embodiment 5:
The hybrid power system for automobile mixed method that a kind of generator of engine gear-box drives, electromotor-electromotor
-gear-box drive pattern: now, engine start works, and magnetic driver mechanism A, magnetic driver mechanism B connect
Logical；During electromotor work, direct drive generator, charges for accumulator；Meanwhile, connected by electromotor-electromotor path
Gear-box, provides power for drive axle；Meanwhile, turbocharging power generation energy recycle device starts, and carries out the recycling of energy,
Charge to accumulator.
This kind of mode of operation is applicable to high-performance cruise duty, by magnetic driver mechanism, protects to a certain extent
Card electromotor is maintained at design point work, takes into account the energy-saving and emission-reduction of electromotor.
Embodiment 6:
The hybrid power system for automobile mixed method driven according to the generator of engine gear-box described in embodiment 5,
A part of power that electromotor sends flows to gear-box, and another part then drives electromotor to send out by magnetic couple mechanism
Electricity；The electric energy that electromotor sends flows to motor or accumulator, and the driving moment that motor produces is by magnetic couple mechanism
Send gear-box to；Two driving paths of electromotor-motor are by providing power for drive axle after gear-box car；Turbine
Supercharging generated energy retracting device, by absorbing the heat energy in engine exhaust, is converted into electric energy to accumulator by TRT
Charging；Energy recycling device based on turbocharging power generation, mainly by by turbocharger-high-speed permanent magnet motor
The effective integration of-accumulator realizes: drives high-speed permanent magnet motor to generate electricity by turbine, charges to accumulator, it is achieved energy
Recycle；Meanwhile, compressor produces compressed air, it is provided that use to electromotor, and high-speed permanent magnet motor has generating-electronic concurrently
Function, when the engine starts, turbocharger can be worked by accumulator electrical energy drive, completes function of increasing pressure；Turbocharging
After device starts, high-speed permanent magnet motor can charge to accumulator as generator operation.
Embodiment 7:
The hybrid power system for automobile that described generator of engine gear-box drives, electric generator/electric motor uses forever
Magnetic-synchro motor, permagnetic synchronous motor has as electrode, permagnetic synchronous motor equipped with the permanent magnet that magnetic energy density is high
Power density and torque density are high, efficiency is high, power factor is high, reliability is high and are easy to the advantage safeguarded, use vector controlled
Driving control system can make permasyn morot have broadness speed adjustable range, with magnetic couple mechanism mate application,
The overall efficiency making electromotor and motor is up to or exceedes the level of conventional truck PWTN.
Hybrid power system can use multiple working method flexibly, including: to meet pure of power demand
Motivation mode of operation, now electromotor is operated in design point state, thus improves engine efficiency and alleviate discharge；To meet environmental protection
Demand is main power drive mode, and now electromotor can cut out, and drives motor to work by accumulator, thus realizes zero-emission
Put.When power demand is bigger, electromotor-motor work work electricity simultaneously can be used and for pattern, thus realize power
The maximization of performance.
Claims (2)
1. the hybrid power system for automobile that generator of engine gear-box drives, its composition includes: electromotor, its feature
It is: described electromotor and electromotor are coaxially connected by magnetic driver mechanism A, and described electromotor increases with turbine
Hair Fixer electric flux retracting device connects, and described turbocharging power generation energy recycle device is connected with accumulator, described electric power storage
Pond is connected with described electromotor, and described electromotor is connected by magnetic driver mechanism B with gear-box, described tooth
Roller box is connected with drive axle, and described gear-box includes gear wheel-train A, gear wheel-train B, described gear wheel-train A and institute
The gear wheel-train B stated connects, and described gear wheel-train A is connected with described magnetic driver mechanism B, described tooth
Wheel train B is connected with described drive axle, and described turbocharging power generation energy recycle device includes turbocharger, calms the anger
Machine, high-speed permanent magnet motor, described turbocharger is connected with described high-speed permanent magnet motor, described high-speed permanent magnet motor with
Described compressor connects, and described high-speed permanent magnet motor is connected with described accumulator, and described electromotor is respectively with described
Compressor, described turbocharger connect, described magnetic driver mechanism includes conductor rotor, PM rotor,
Described conductor rotor is connected with drive shaft, and described PM rotor is connected with bearing axle, described magnetic driver machine
Structure is interacted by the induced field between conductor rotor and the PM rotor of bearing axle one end of drive shaft one end and produces
Torque, just can be controlled the torque of transmission, thus realize the intelligence tune driven by the gap between regulation permanent magnet and conductor
Joint.
2. the hybrid power system for automobile mixing side that the generator of engine gear-box that a kind utilizes described in claim 1 drives
Method, is characterized in that: electromotor-electromotor-battery charging mode: now, and engine start works, magnetic driver
Mechanism connects；When the engine operates, direct drive generator, charges for accumulator；Meanwhile, turbocharging power generation energy regenerating
Device starts, and carries out the recycling of energy, charges to accumulator, and a part of power that electromotor sends flows to gear-box,
Another part then drives electrical power generators by magnetic driver mechanism；The electric energy that electromotor sends flows to accumulator；
Turbocharging power generation energy recycle device, by absorbing the heat energy in engine exhaust, is converted into electric energy to storage by TRT
Battery charges；By turbocharger-high-speed permanent magnet motor-accumulator effective integration is realized, driven by turbine
High-speed permanent magnet motor generates electricity, and charges to accumulator, it is achieved the recycling of energy；Meanwhile, compressor produces compressed air, it is provided that
Using to electromotor, high-speed permanent magnet motor has generating-electric functions concurrently, and when the engine starts, turbocharger can be passed through
Accumulator electrical energy drive works, and completes function of increasing pressure；After turbocharger starts, high-speed permanent magnet motor can be as electromotor work
Make, charge to accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319017.9A CN103407364B (en) | 2013-07-27 | 2013-07-27 | The hybrid power system for automobile of generator of engine gear-box driving and mixed method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319017.9A CN103407364B (en) | 2013-07-27 | 2013-07-27 | The hybrid power system for automobile of generator of engine gear-box driving and mixed method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407364A CN103407364A (en) | 2013-11-27 |
| CN103407364B true CN103407364B (en) | 2016-08-10 |
Family
ID=49600428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319017.9A Active CN103407364B (en) | 2013-07-27 | 2013-07-27 | The hybrid power system for automobile of generator of engine gear-box driving and mixed method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103407364B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042791A (en) * | 2019-05-30 | 2019-07-23 | 吉林大学 | A kind of refuse cleaning vehicle energy recycling system and control method |
| CN110962568B (en) * | 2019-11-22 | 2023-03-03 | 陕西北方动力有限责任公司 | Intelligent power system for vehicle and power cabin thereof |
| CN112922688A (en) * | 2021-03-03 | 2021-06-08 | 王琰 | Agricultural power machinery device in rice field |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5881559A (en) * | 1995-07-28 | 1999-03-16 | Isuzu Ceramics Research Institute Co., Ltd. | Hybrid electric vehicle |
| US7137253B2 (en) * | 2004-09-16 | 2006-11-21 | General Electric Company | Method and apparatus for actively turbocharging an engine |
| CN101209667A (en) * | 2006-12-25 | 2008-07-02 | 比亚迪股份有限公司 | Mixed power outputting device |
| US20120285166A1 (en) * | 2011-05-11 | 2012-11-15 | GM Global Technology Operations LLC | Hybrid powertrain system |
| CN203344732U (en) * | 2013-07-27 | 2013-12-18 | 哈尔滨耦合动力工程技术中心有限公司 | Engine, generator and gear box-driven automobile hybrid power system |
-
2013
- 2013-07-27 CN CN201310319017.9A patent/CN103407364B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103407364A (en) | 2013-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101700737B (en) | Generator control system of range-extended electric car | |
| CN103407364B (en) | The hybrid power system for automobile of generator of engine gear-box driving and mixed method | |
| CN103358878B (en) | The magnetic couple automobile hybrid power charging system of electric regenerative and charging method | |
| CN206336121U (en) | A kind of plug-in hybrid structure | |
| CN200971055Y (en) | Wind generating and electric mixed power drive device | |
| CN201304906Y (en) | Hybrid power device of electric automobile | |
| CN203344732U (en) | Engine, generator and gear box-driven automobile hybrid power system | |
| CN103407365B (en) | Engine motor combines hybrid power system for automobile and the mixed method of driving | |
| CN203246312U (en) | Magnetism-stress coupled parallel-axis-type parallel structured hybrid power system of automobile | |
| CN203401941U (en) | Energy recovery type magnetic coupling automobile hybrid power charging system | |
| CN203344733U (en) | Engine and motor-combined driven automobile hybrid power system | |
| CN105711430A (en) | Enhancing system for cruising power of solar hybrid electric vehicle | |
| CN203246316U (en) | Magnetism-stress coupled series-structured hybrid power system of automobile | |
| CN203381491U (en) | Environment-friendly magnetic coupling automobile hybrid power system | |
| CN203246317U (en) | Magnetism-stress coupled coaxial-type parallel-structured hybrid power system of automobile | |
| CN103231646B (en) | Also axle formula parallel-connection structure hybrid power system for automobile and the blending means of magnetic couple | |
| CN201566616U (en) | Multimode control system of extended-range type electric car-mounted generator | |
| CN101716878A (en) | Oil and electricity hybrid vehicle adopting HCCI engine | |
| CN203246314U (en) | Magnetism-stress coupled coaxial-type series-parallel structured hybrid power system of automobile | |
| CN103386880B (en) | The magnetic couple hybrid power system for automobile of environmental protection and mixed method | |
| CN202727997U (en) | Range extender with combined linear ISG (integrated starter generator) motor and linear engine | |
| CN203246311U (en) | Magnetism-stress coupled planetary-gear parallel-serial-structured hybrid power system of automobile | |
| CN103381751A (en) | Novel multi-energy hybrid power automobile | |
| CN103231647B (en) | Coaxial-type hybrid connected structure hybrid power system for automobile and the mixed method of magnetic couple | |
| CN203246315U (en) | Hybrid power system of automobile with parallel-series structure of magnetic coupling and parallel-shaft type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 601, Building A2, Huizhi Science and Technology Park, Hengtai Road, Economic and Technological Development Zone, Nanjing City, Jiangsu Province, 210038 Patentee after: Nanjing Coupling Power Engineering Technology Co.,Ltd. Address before: No. 99, Keji 1st Street, Songbei District, Harbin, Heilongjiang 150028 Patentee before: Harbin Coupled Power Engineering Technology Centre Co.,Ltd. |
|
| CP03 | Change of name, title or address |