Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
  • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
  • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K11/00—Arrangement in connection with cooling of propulsion units
  • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L50/00—Electric propulsion with power supplied within the vehicle
  • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
  • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
  • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/61—Types of temperature control
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
  • H01M10/625—Vehicles
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M10/00—Secondary cells; Manufacture thereof
  • H01M10/60—Heating or cooling; Temperature control
  • H01M10/65—Means for temperature control structurally associated with the cells
  • H01M10/655—Solid structures for heat exchange or heat conduction
  • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K2001/008—Arrangement or mounting of electrical propulsion units with means for heating the electrical propulsion units
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K1/00—Arrangement or mounting of electrical propulsion units
  • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
  • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
  • B60K2001/0438—Arrangement under the floor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L2240/00—Control parameters of input or output; Target parameters
  • B60L2240/40—Drive Train control parameters
  • B60L2240/42—Drive Train control parameters related to electric machines
  • B60L2240/425—Temperature
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
  • B60Y2200/00—Type of vehicle
  • B60Y2200/90—Vehicles comprising electric prime movers
  • B60Y2200/91—Electric vehicles
• • 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
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/64—Electric machine technologies in electromobility

Definitions

• TITLE ELECTRIC BATTERY INTEGRATING A HEAT TREATMENT DEVICE FOR AN ELEMENT OF A POWER TRAIN
• the invention relates to an arrangement of an electric vehicle comprising a heat treatment device, which comprises at least one heat exchanger and at least one element to be thermally regulated of an electric drive chain.
• the invention relates to a vehicle comprising such an arrangement, as well as a method for producing such an arrangement.
• Electric energy motor vehicles traditionally comprise a chassis under which is arranged, particularly in the central part, under the passenger compartment, a modular electrical energy storage assembly comprising electric battery cells.
• the powertrain including in particular the electric motor, can be placed at the front of the chassis for a traction type vehicle, at the rear of the chassis for a propulsion type vehicle, or partly at the front and partly at the rear of the chassis for a four-wheel drive type vehicle.
• the problem of vehicles having a rear powertrain lies partly in the thermal management of the components which compose it, in particular when it comes to conveying a heat transfer fluid through a flow circuit between at least one element to be thermally managed. located at the rear of the vehicle and at least one heat exchanger located at the front of the vehicle.
• the invention aims to provide a solution to the aforementioned problem.
• the invention fits into this context and aims to provide an arrangement of an electric vehicle, as well as a method for producing such an arrangement remedying the above drawbacks.
• the invention relates to an arrangement of an electric vehicle comprising a heat treatment device which comprises at least one heat exchanger, at least one element to be thermally regulated of an electric traction chain, in particular a powertrain, the vehicle comprising a battery positioned in particular under the vehicle, in particular under the passenger compartment floor.
• the arrangement which is the subject of the invention is characterized in that the heat treatment device is arranged inside the battery.
• the arrangement may include the following characteristics taken separately or in combination with each other:
• the battery comprises at least one interfacing element connecting the battery to the chassis of the vehicle, in particular under the passenger compartment of the vehicle,
• the heat treatment device comprises at least one pipe, in particular consisting of a rigid tube intended for the circulation of a heat transfer fluid, in particular a glycol water-based fluid, making it suitable for the heat treatment of at least one element of the electric drive chain, in particular a powertrain,
• the rigid tube is arranged inside the interfacing element such that at least one end of the rigid tube is positioned projecting out of the interfacing element
• the pipe comprises at least one flexible tube connected to the rigid tube by a female connector
• the female connector is assembled at one of the ends of the element interfacing, in particular by screwing,
• the rigid tube comprises at least one fixing bracket, in particular welded to the rigid tube at an external portion,
• the battery interfacing element comprises at least one plate intended for fixing the heat treatment device, in particular for fixing the rigid tube via the female connector or the fixing bracket,
• the rigid tube comprises at least one insulating insert, fixed in particular by gluing, such that the insert creates a thermal break between the rigid tube and the interfacing element.
• the invention also relates to an electric vehicle comprising an arrangement having any of the aforementioned characteristics.
• the invention also relates to a method of producing the arrangement, according to which the steps are:
• FIG.1 is a schematic representation of a vehicle according to the arrangement of the invention
• - [Fig.2] is a partial perspective representation of a battery and a heat treatment device, according to the invention
• FIG.3 is an enlargement of the rear part of the battery in [Fig.2],
• FIG.4 is an enlargement of the front part of the battery in [Fig.2],
• FIG.5 is a longitudinal sectional view of the arrangement of [Fig.3],
• FIG.6 is a VI-VI cross-sectional view of the arrangement of [Fig.4],
• Figure 1 schematically illustrates a motor vehicle 100 equipped with a heat treatment device 1.
• the vehicle 100 can be of any type, that is to say it can be a private vehicle, a utility vehicle, a truck or a bus. Also, the vehicle 100 may be an autonomous or non-autonomous vehicle.
• Figure 1 represents a sports automobile whose design particularity lies in its placement at the rear of the powertrain, which must be cooled by thermal exchanges carried out near the front of the vehicle, close to openings air inlet.
• vehicle 100 has an electric motor.
• it comprises an electric drive chain comprising an electric powertrain 11 of the vehicle 100, at least one power electronic element 12 and an electric driving battery 13, also capable of being qualified more generally subsequently of “battery”, “battery module” or even “battery pack” in English, allowing the storage of electrical energy and the supply of at least one component of the drive chain with such electrical energy.
• the vehicle 100 also comprises a heat treatment device 1 in which a heat transfer fluid is capable of circulating in order to pass through the electric powertrain 11, at least one element power electronics 12 and/or the electric battery 13, so as to heat or cool according to their respective needs.
• the vehicle 100 comprises a front compartment 101 in which a heat exchanger 2 of the air/heat transfer fluid type is arranged.
• the heat exchanger 2 can be of the type of a front radiator which is passed through by the ambient air in order to cool the heat transfer fluid.
• the front compartment 101 may also include at least one power electronics element 12.
• the vehicle 100 comprises a rear compartment 102 in which the electric powertrain 11 is arranged. Battery 13 is located under the floor of the vehicle passenger compartment, between the front 101 and rear 102 compartments.
• the battery 13 Due to the location of the electric powertrain 11 at the rear of the vehicle, and the heat exchanger 2 at the front of the vehicle, the battery 13 is used for the purpose of circulating the heat transfer fluid. To do this, the battery 13 comprises a chassis 130 which is visible in Figure 2.
• the chassis 130 can be approximately parallelepiped in shape, at least comprising side edges parallel to each other.
• the chassis 130 includes longitudinal beams
• the chassis 130 comprises transverse beams
• the transverse beams 132 define with the longitudinal beams 131 four compartments 133 adjacent longitudinally.
• the transverse beams 132 are preferably arranged substantially perpendicular to the longitudinal beams 131.
• the longitudinal 131 and transverse 132 beams can be obtained by extrusion of an alloy, in particular aluminum. They can be of hollow section with stiffening walls linking together the interior walls of the beam.
• the battery 13 includes interfacing elements 15, secured to the longitudinal beams 131, preferably by welding.
• Each interfacing element 15 is in the form of a unitary part which extends over almost the entire length of a longitudinal beam 131.
• the interfacing element 15 can also be qualified in the following , battery stretcher.
• the battery stretcher 15 comprises opposite ends 151, 152 on which are positioned plates 153, 154 intended for fixing constituent elements of the heat treatment device 1, as shown in detail in Figures 3 to 5.
• the heat treatment device 1 comprises at least one pipe 20 which is fluidly connected to the heat exchanger 2 and to the electric powertrain 11.
• the pipe 20 consists of at least one rigid tube 22. It may comprise at least one flexible tube 21 which can be connected to the rigid tube 22 or to an element of the electric drive chain.
• the rigid tube 22 extends out of the rear end 152 of the stretcher 15.
• the female connector 23 comprises a receiving chamber 26 in which the rigid tube 22 is housed by its free end, as shown in Figure 5.
• the receiving chamber 26 comprises a first sealing zone 27, forming a portion of the internal wall of the female connector 23, in which a ring 25 is arranged.
• the receiving chamber 26 may comprise a second sealing zone 28, located At extension of the first, in which an O-ring 24 is placed.
• the second sealing zone 28 forms another portion of the internal wall of the female connector 23.
• the ring 25 has a substantially conical profile and is made of steel, in particular copper, aluminum, or plastic.
• the receiving chamber 26 of the rigid tube comprises an annular wall which is located at the extension of the second sealing zone 28, and against which the free end of the rigid tube 22 is placed in support, excluding assembly clearances.
• the internal walls of the chamber 26 for receiving the rigid tube 22, of the first and second sealing zones 27, 28 respectively housing the sealing ring 25 and the O-ring 24 are each of substantially cylindrical section, and coaxial with each other, in particular around an axis normal to the rigid tube 22.
• the female connector 23 comprises a tube 29 which can be inclined relative to the axis of revolution of the zones 27, 28 and the chamber 26, in particular upwards, as is visible in Figure 5, which makes it possible to have closest to the battery 13, the flexible tube 21 then fitted onto the tubing.
• the free end of the tubing 29 may comprise an inverted chamfer forming a first means for retaining the flexible tube 21 on the female connector 23.
• the tubing 29 may comprise an axial stop formed by a collar which is located at a predetermined distance from the the free end of the connector 23. Such a stop aims to limit the fitting length of the flexible tube 21 on the female connector 23.
• the tubing 29 can also include retaining grooves which are arranged on the exterior face of the tubing 29 , particularly between the stop and the free end, so as to form a means of retaining the flexible tube 21 on the female connector 23.
• a clamp can be used to radially constrain the flexible tube 21 on the tubing 29, as shown in Figure 3.
• the female connector 23 comprises a radial projection forming a fixing lug 30 located projecting outside the first sealing zone 27 delimiting an end face of the female connector 23 intended to come to bear against the rear plate 154 of the stretcher 15.
• the fixing bracket comprises an opening through which a tightening screw can extend, the threaded rod of which engages with a tapped hole provided through the rear plate 154 of the stretcher 15. The female connector 23 is attached and screwed onto the stretcher 15 via the fixing tab 30.
• the rigid tube 22 is larger than the length of the stretcher 15, a portion of the rigid tube 22 is placed outside the stretcher, here projecting forward.
• This projecting portion can be described as the external portion 221 of the rigid tube 22 compared to the rectilinear portion of the rigid tube 22 which is arranged inside the stretcher, which can then be described as the internal portion 222 of the tube.
• the external portion 221 of the tube 22 can be inclined relative to an internal portion 222 of the rigid tube 22.
• the external portion 221 comprises a fixing tab 31 extending radially.
• the rigid tube 22 is fixed by this external portion 221 to the plate 153 disposed at the level of the front end of the stretcher 15, by screwing.
• the front plate 153 includes, identical to the rear plate 154, a tapped hole for fixing the rigid tube 22 by screwing.
• the fixing could be carried out by riveting.
• Another flexible tube 21 can be assembled to the rigid tube 22 via the external front portion 221 which is of substantially identical design to that of the female connector 23 previously described. In this sense, the free end of the external portion 221 may comprise an inverted chamfer forming a first means for retaining the flexible tube 21 on the rigid tube 22.
• the external portion 221 may comprise an axial stop formed by a flange which is located at a predetermined distance from the free end of the rigid tube 22. Such a stop aims to limit the fitting length of the flexible tube 21 on the rigid tube 22.
• the external portion 221 can also include retaining grooves which are arranged on the exterior face of the rigid tube 22, in particular between the stop and the free end, so as to form a means of retaining the flexible tube 21 on the rigid tube 22.
• a clamp can be used to radially constrain the flexible tube 21 on the rigid tube 22, which improves fixation.
• the stretcher 15 is made by extrusion, in particular from an alloy, such as aluminum for example.
• the front and rear plates 153 and 154 of the stretcher 15 can be fixed respectively to the front and rear ends of the stretcher 15, by welding.
• the stretcher 15 is visible in a cross section, which reveals a channel 155 extending longitudinally along the stretcher.
• the rectilinear portion of the rigid tube 22 extends inside the channel spaced from the latter in such a way that an air circulation space is created at the periphery of the rigid tube 22. It is important to break the thermal bridge which could exist between the stretcher 15 and the heat treatment device 1 by a gap allowing the natural flow of air between the rigid tube 22 and the stretcher 15.
• At least one insulating insert is attached to the rigid tube 22.
• the insert insulation can be fixed in particular by gluing.
• the insulating insert can be made of plastic material, in particular deformable.
• the material used in the manufacture of the insulating insert has a reduced coefficient of friction.
• the material used in the manufacture of the insulating insert can for example be polyamide or polypropylene.
• the channel 155 opens through at least one vent, preferably several vents distributed uniformly along of the stretcher 15.
• the use of several air vents allows the creation of a turbulent flow around the rigid tube 22 during the movement of the vehicle, which promotes the heat exchange between the heat transfer fluid circulating in the rigid tube and the 'ambiant air.
• the assembly consisting of the stretcher 15 and the rigid tube 22 plays a role of heat exchanger complementary to that of the radiator 2. Air circulation is thus made possible through the channel 155 so that the heat transfer effect of the internal portion 222 of the rigid tube 22 on the stretcher 15 is almost zero, or even absent.
• the method of mounting the heat treatment device 1 on the battery 13 can also include the following steps:
• the production of the rigid tube 22 includes a step of folding one of the ends in order to create an external portion 221 inclined relative to the internal portion 222 of the rigid tube which is rectilinear;
• the production of the rigid tube 22 includes a step of welding a fixing tab 31 intended for fixing the tube to a dedicated plate of the stretcher, in particular a front plate 153;
• the O-ring 24 is placed inside the second sealing zone 26 of the female connector 23;
• the flexible tube 21 is fitted onto the female connector 23, in particular onto the tubing 29 in such a way that the flexible tube 21 rests against the axial stop;
• the flexible tube 21 is fitted onto the rigid tube 22, in particular onto the external portion 22 such that the flexible tube 21 is attached to bear against the axial stop; - the flexible tube 21 is held on the female connector 23 and/or the rigid tube 22 by a clamp.
• an assembly of the heat treatment device 1 to the battery 13 is produced which is compact, rapid in its implementation, and free from the risk of leakage. Compactness is obtained by positioning part of the heat treatment device 1 inside the battery 13, in particular via its stretcher 15.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Mechanical Engineering (AREA)
• Transportation (AREA)
• Manufacturing & Machinery (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Electrochemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Power Engineering (AREA)
• Combustion & Propulsion (AREA)
• Secondary Cells (AREA)
• Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=87554446

Family Applications (1)

Country Status (5)

Family Cites Families (3)

• 2022
  • 2022-12-14 FR FR2213361A patent/FR3143444A1/fr active Pending
• 2023
  • 2023-12-07 EP EP23818510.2A patent/EP4633997A1/de active Pending
  • 2023-12-07 KR KR1020257018151A patent/KR20250124302A/ko active Pending
  • 2023-12-07 CN CN202380082007.XA patent/CN120265501A/zh active Pending
  • 2023-12-07 WO PCT/EP2023/084813 patent/WO2024126266A1/fr not_active Ceased

Also Published As

Similar Documents

Legal Events