EP1357272A1 - Einrichtung zum Ablassen und Einfüllen einer Flüssigkeit für einen Kreis eines Kraftfahrzeugs - Google Patents

Einrichtung zum Ablassen und Einfüllen einer Flüssigkeit für einen Kreis eines Kraftfahrzeugs Download PDF

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Publication number
EP1357272A1
EP1357272A1 EP03290661A EP03290661A EP1357272A1 EP 1357272 A1 EP1357272 A1 EP 1357272A1 EP 03290661 A EP03290661 A EP 03290661A EP 03290661 A EP03290661 A EP 03290661A EP 1357272 A1 EP1357272 A1 EP 1357272A1
Authority
EP
European Patent Office
Prior art keywords
settling tank
pump
valve
conduit
air
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.)
Granted
Application number
EP03290661A
Other languages
English (en)
French (fr)
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EP1357272B1 (de
Inventor
Michel Drouet
Marc Le Cam
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Publication of EP1357272A1 publication Critical patent/EP1357272A1/de
Application granted granted Critical
Publication of EP1357272B1 publication Critical patent/EP1357272B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0276—Draining or purging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06—Cleaning; Combating corrosion
    • F01P2011/065—Flushing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2025/00—Measuring
    • F01P2025/04—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe
    • F01P2031/18—Detecting fluid leaks

Definitions

  • the present invention relates to an apparatus for purging fluid and filling of liquid for motor vehicle circuit. It concerns in particular a portable device for bleeding and filling the cooling circuit of the vehicle engine.
  • such an apparatus includes means for making the air vacuum having conduits intended to be connected to an expansion tank of the vehicle and designed to evacuate the fluid present in the engine cooling circuit after draining the coolant, rinsing said circuit if necessary.
  • the means for making the air vacuum comprise a compressed air vacuum gun which is connected on the one hand to a conduit to be connected to the expansion tank of the vehicle to be drained and secondly to a filling pipe of coolant. Filling takes place after vacuum purging.
  • Such devices are perfectly suitable during a workshop repair where a source of compressed air is present to supply power to the air gun compressed. Such devices cannot be used during an intervention of troubleshooting outside the workshop if there is no compressed air source available.
  • One of the aims of the invention is to propose an autonomous, light portable device, compact and does not require a compressed air source.
  • An object of the invention is to provide an apparatus for purging the circuit clean coolant, even if coolant residue or rinse water are present in the circuit to be purged.
  • An object of the invention is to provide an apparatus allowing rapid purging of the cooling circuit in a few minutes.
  • An object of the invention is to provide an apparatus for filling cooling system after purging, in a few minutes.
  • the invention provides an apparatus for purging fluid and filling of liquid in a liquid circuit of a motor vehicle comprising means for create a vacuum with a conduit intended to be connected to an expansion tank of said circuit, means for evacuating fluid and means for filling with liquid, characterized in that it comprises a portable container having an air vacuum pump provided with an air inlet and an air outlet, a settling tank connected to said air inlet and a valve connected to said settling tank, to a connecting duct designed to be connected to said expansion tank and to intended filling members to be connected to a liquid tank.
  • the connecting conduit is connected with the settling tank through the valve by connecting the connecting pipe and the settling tank in order to create a vacuum in the connecting pipe and in the settling tank by circulation of fluid when the vacuum pump is in operation and in that the filling members comprise the connecting duct connected to a filling pipe via the valve by setting communication the filling pipe and the connecting pipe for circulation of liquid.
  • the tank is a chamber of the container.
  • the settling tank is provided with emptying means.
  • the device includes pressure control means in the connecting pipe.
  • the vacuum pump is electric.
  • the device comprises conductors for connection to vehicle power supply means.
  • the pump may include means for producing air. under pressure.
  • the device may include means for connecting a cap fitted with a pressure relief valve.
  • the means for producing pressurized air can present an outlet duct connected to the air outlet of the pump, the means of plug connection being connected to said outlet conduit.
  • the means for producing pressurized air can have an outlet duct connected to the air outlet of the pump, the device can include means for venting the air inlet, the settling tank can be connected to the outlet pipe and the device may include means for setting selective communication of the settling tank with the air inlet of the pump or with the outlet duct.
  • the means of selective communication can have a three-way valve connected to the settling tank at the air inlet of the pump and outlet pipe.
  • the means of selective communication can have a four-way valve connected to the settling tank at the air inlet of the pump, to the outlet pipe and to a vent pipe for the ventilation means free air from the air inlet.
  • the means for connecting the plug can be connected to the connecting pipe.
  • the connecting conduit can comprise a first branch connected to the plug connection means and a second branch provided to be connected to the expansion tank, the second branch having means shutter.
  • the pump of the device is a pump whose direction of rotation can be reversed, the device operating in vacuum production mode in a first direction of rotation of the pump to purge the circuit, the device operating in pressurized air production mode in a second direction of rotation of the pump to send compressed air into the minus one of the expansion tank or of means of connection of a cap provided a pressure relief valve to test said plug.
  • FIG. 1 schematically represents a first embodiment of a apparatus 10 according to the invention for example for purging a cooling circuit vehicle. Dashed lines delimit the device 10 relative to its environment.
  • the apparatus 10 comprises a portable container 12, in this case a case 12 (figure 2).
  • the apparatus 10 has an electric pump 20 to create a vacuum.
  • the vacuum pump 20 is provided with conductors 22 for connection to a vehicle battery (not shown). It is therefore intended to be supplied under a twelve volt voltage. Each conductor 22 has a clamp 24 at its end free for connection to the battery. The conductor 22 intended to be connected to the pole positive of the battery includes a fuse 26.
  • the pump 20 is designed to produce a depression of approximately 850 millibars, typically a depression between 800 millibars and 950 millibars.
  • the pump 20 has an air inlet 30 connected to an air inlet duct 32 and an air outlet 34.
  • the apparatus 10 comprises a settling tank 40, the air inlet 30 of the pump 20 being connected to said settling tank 40 via the inlet conduit air 32.
  • the settling tank 40 is waterproof. It is fitted with a plug 42 to allow its opening. It also has a drain valve 43. It has an air outlet 44 connected to the air inlet duct 32. It also has a fluid inlet 46 connected to a fluid inlet conduit 47.
  • the settling tank 40 is provided to prevent residual fluid present in the vehicle circuit are sucked by the pump 20, at the risk of damaging it.
  • the apparatus includes a three-way valve 50 which has a tap 51, an outlet 52 connected to the decantation 40 via the fluid conduit 47, an inlet or outlet channel 54 connected to a connecting pipe 56 with the vehicle and an inlet 58 connected to a filling pipe 60.
  • connecting pipe 56 is placed in communication or isolated from the fluid conduit 47 or from the fluid conduit filling 60.
  • the connecting conduit 56 is designed to be connected to an expansion tank 62 of the vehicle cooling circuit 66.
  • the end of the connecting pipe 56 not connected to the valve 50 includes a screw connection 64 designed to fit on a screw neck 63 of the vase expansion 62.
  • the filling duct 60 is designed to be connected to a fluid reservoir 67.
  • a pressure gauge 68 is connected to the connecting pipe 56 to control the pressure in the connecting pipe 56, therefore in the expansion tank 62 and the circuit vehicle cooling 66.
  • the settling tank 40 is a part of the container 12 which is divided into two chambers.
  • One 70 of the chambers forms the settling tank 40.
  • the other 72 of the chambers forms a storage chamber 72.
  • the case 12 substantially in the shape of a parallelepiped rectangle, has four peripheral walls 78, a bottom wall 80, a wall upper 82 and an internal partition 84 separating the two chambers 70 and 72.
  • a cover 86 allows access to the storage chamber 72.
  • a wall of the chamber 70 forming the settling tank 40 includes the means for emptying said tank, in this case the tap 43 formed on said wall.
  • the storage chamber 72 accommodates the pump 20, the valve 50 as well as the conduits 32, 47, 56 and 60 when these must be stored in the case 12.
  • the connection between the fluid inlet duct 47 and the corresponding fluid inlet 46 is located for example in the lower part of the decantation 40, on the right in FIG. 2, and the connection between the air inlet duct 32 and the corresponding air outlet 44 is located for example in the upper part of the decantation 40, on the left in FIG. 2.
  • the inlet 46 and the outlet 44 of the settling tank 40 are therefore located diametrically opposite on the partition 84, in order to avoid risk of residual liquid entering the pump 20.
  • the case 12 includes a handle (not shown) by example in the form of a hook, allowing it to be grasped by a user and hanging for example to be suspended.
  • the case 12 comprises for example telescopic legs (not shown), for example pivotally mounted on its bottom to place it next to the vehicle to height allowing an operator to work in good ergonomic conditions.
  • the device is used when repairing a vehicle, for example following a leak in the vehicle's cooling circuit 66, when the circuit is drained, repairing the leak, rinsing with emptying of the circuit 66 in a known manner. After the vehicle's cooling system contains air and liquid. After draining, the implementation of the device is planned to purge said circuit by evacuating air and possibly liquid residues. As the device allows the evacuation of air and liquid residues, it is indicated that it is a purge of fluid, gaseous and possibly liquid.
  • the device is installed near the engine compartment of the vehicle to repair for example by placing it on its feet or by hanging it on the hook safety of the vehicle engine hood via the handle.
  • the bac decantation 40 is empty and its cap 42 is closed.
  • the connecting conduit 56 is connected to the vehicle's expansion tank 62 by screwing the fitting 64 onto the neck 63. If necessary, an adapter is used for connection to the neck 63.
  • the conductors 22 are connected to the vehicle battery.
  • the valve 51 of the valve is placed in such a way that the outlet 52 communicates with the track 54 which forms in this case an outlet, the inlet 58 being closed.
  • the pump is started until that the vacuum in the cooling circuit 66 reaches for example the value of 850 millibars, relying on the value indicated by the pressure gauge 68. This value of vacuum is reached for example after two minutes of pump operation, who is then arrested.
  • the air contained in the cooling circuit 66 before purging is evacuated, any residual liquid which may be sucked in is deposited at the bottom of the decantation 40, for the benefit of cleanliness of the repair.
  • the hoses of the circuit cooling 66 are flattened. There is no more air pocket in the circuit cooling 66.
  • the cooling circuit 66 is considered to be tight and reliable. To be able to check that the vehicle engine cooling system 66 is waterproof, the device 10 and the connection between the connecting pipe must be 56 and the expansion tank 62 are sealed.
  • the filling duct 60 is immersed in the reservoir 67 of cooling fluid. Tap 51 of the valve 50 is then placed in such a way that the input 58 communicates with the channel 54 which in this case forms an outlet, the outlet 52 being closed.
  • the surface of the liquid cooling contained in the coolant tank 67 is subjected to atmospheric pressure.
  • the pressure in the connecting pipe 56 and in the circuit cooling 66 is negative with respect to atmospheric pressure.
  • the circuit of vehicle engine cooling 66 is automatically filled thanks to the pressure differences.
  • the coolant tank is placed higher than the expansion tank 62 in order to speed up the filling.
  • the fluid inlet pipe 47 and / or the filling pipe 60 are respectively fitted with a tap 50A and / or 50B (not shown in FIG. 2).
  • the valve 50A must be in the open position when purging and valve 50B is in closed position when pump 20 is running.
  • Tap 50B must be in position open during filling, after connection of the filling pipe 60 with the liquid tank 67, and the valve 50A is in the closed position.
  • the reservoir 67 ′ is a chamber of the case forming the device 10 '.
  • the user of the device 10 ' completes the tank 67 'as the cooling circuit is filled if the tank capacity is less than that of the cooling circuit.
  • the tank 67 ' is provided with a plug 90 and a tap drain 92.
  • the reservoir is constituted by the tank for decanting.
  • a 50 "valve is connected to the inlet or outlet pipe 47" and to the connecting conduit 56.
  • the pump 20 is coupled to the settling tank 40 "by being directly connected to it, for example by assembling the pump body 20 with walls of the 40 "settling tank.
  • the 50 "valve is designed to have an open position for setting communication of the 40 "settling tank with the conduit 56 and a closed position to isolate the settling tank 40 "from the conduit 56.
  • the connecting conduit 56 is connected with the settling tank 40 "by through the valve 50 "in order to create a vacuum in the connecting pipe 56 and the 40 “settling tank by circulation of fluid between the connecting pipe 56 and the tank settling tank 40 "when the vacuum pump 20 is in operation.
  • drain 43 of the connection tank and the plug 42 make it possible to drain the fluid from the tank 40 "settling tank and fill the 40" settling tank with liquid when the vacuum pump is not in operation and when the valve isolates the connecting pipe 56 with respect to the settling tank 40 ".
  • the means for filling the circuit of cooling 66 include the connection conduit 56 and the settling tank 40 " connected to the connecting pipe 56 via the valve 50 "and the pipe 47".
  • the filling means allow circulation of liquid between the settling tank 40 "and the connecting pipe 56 in order to use the settling tank as a storage tank liquid.
  • Fluid draining and filling with liquid in the cooling system 66 when the device is in the configuration shown in figure 4 is carried out as explained below.
  • the 40 "tank must be filled, which then serves as a reservoir for liquid.
  • open the valve 50 open the valve 50 "until the circuit 66 is correctly filled, filling the 40 "tank if the liquid level in the 40" tank is not sufficient to that there is no air intake through the 47 "duct before filling is complete correct from circuit 66.
  • the device 100, 100 ', 200 includes arrangements for supplying pressurized air, the apparatus being capable of either operate in a vacuum production mode or in an air production mode tablet, as will be explained in more detail later.
  • means for supplying pressurized air can be advantageously used for check the correct functioning of a pressure relief valve of a plug 101 provided usually to close a vehicle expansion tank 62.
  • means for supplying pressurized air can also be used to put under pressure the vehicle circuit 66 to check its tightness, for example to check the collars of circuit 66.
  • the plug 101 can then advantageously be used as a pressure limiting means. If there is no need for a pressure limiting means when pressurizing circuit 66 of the vehicle, a plug must be used without pressure relief valve and monitor the pressure using the pressure gauge.
  • the apparatus 100 is a variant of the apparatus 10 shown in FIG. 1.
  • the air outlet 34 of the pump is connected to an air outlet duct 134, the pump making it possible to produce pressurized air at its air outlet by aspirating air at its air inlet 30.
  • Means for connecting the plug 101 in this case include a connection sleeve 102 threaded on its outer periphery to accommodate the plug 101.
  • the sleeve 102 is connected to a branch 134A of the outlet conduit 134.
  • Another branch 134B of the outlet duct 134 is connected to the inlet duct of air 32 by means of a three-way valve 104 having a tap manual control 106.
  • the air outlet duct 134 In a position of the tap 106, the air outlet duct 134 is placed in communication with the conduit 32 to supply the settling tank 40 with air which is then isolated from the air inlet 30 of the pump.
  • the air inlet 30 of the pump 20 is placed in communication with the decantation 40 which is then isolated from the conduit 134.
  • the valve 104 therefore forms a means of selective communication of the settling tank 40 with the air inlet of the pump or with outlet pipe 134.
  • the air inlet duct 32 comprises, between the air inlet 30 of the pump 20 and the valve 104, a branch 32A for venting provided with a tap 108.
  • a tap 108 When the tap 108 is open, it allows the communication of the conduit 32 with the open air by a mouth 110 of free end of branch 32A.
  • the end of the conduit 56 has at its interface with the fitting 64 a tip 164 with automatic shutter in case of non-connection, i.e. when the duct 56 is detached from the fitting 64.
  • the end piece 164 serves as a means of closing off the free end of the conduit 56, as a tap placed towards the end could do of conduit 56.
  • the pump To use the device 100 in vacuum production mode, to purge the circuit 66 of the vehicle, the pump must be started when the valve 104 activates communication the settling tank 40 with the air inlet 30 of the pump 20, the tap 108 being closed. The air sucked in by pump 20 is discharged into line 134 and by branch 134A, the sleeve 102 of which must not receive a plug 101. Before to purge the circuit, a user of the device 100 must verify that there is no plug 101 screwed onto the thread of the connection sleeve 102.
  • the pump For using the device 100 in compressed air production mode for test the pressure relief valve on a plug 101, the pump must be started when the valve 104 places the settling tank 40 in communication with the conduit 134, the valve 108 being open and the nozzle 164 not connected to the connector 64.
  • the air drawn in by the pump 20 is discharged into the conduit 134 and through the branch 134A including the sleeve 102 receives plug 101 to be tested.
  • the valve 50A is open.
  • the valve 50 puts in communication conduit 47 and conduit 56 whose free end is closed by the end piece 164 then not connected to the connection 64.
  • the pressure gauge 68 serves to control the opening pressure of the plug overpressure valve 101.
  • the pump For using the device 100 in compressed air production mode for pressurize the circuit 66 of the vehicle, the pump must be started when the valve 104 places the settling tank 40 in communication with the outlet pipe 134, the valve 108 being open to draw in air. Air sucked by pump 20 is rejected in conduit 134 then in branch 134B and branch 134A, the sleeve 102 accommodates a plug 101 serving as a pressure limiter thanks to its valve overpressure.
  • the branch 134B supplies compressed air to the settling tank 40, the line 47 with the valve 50A open, line 56 and the expansion tank by through the valve 50 and the fitting 64 with the nozzle 164 which are passers-by.
  • the apparatus 100 is a variant of the apparatus 100 shown in FIG. 5.
  • the three-way valve 104 and the tap 108 are replaced by a four-way valve 118.
  • valve 118 In a first position, in vacuum production mode to purge circuit 66, valve 118 firstly communication the air inlet 30 with the settling tank 40 and on the other hand the branch 134B with a branch 122 for venting with a mouth 110.
  • the valve 118 puts on the one hand communication the air inlet 30 with the branch 122 and on the other hand the branch 134B with the settling tank 40.
  • the apparatus 200 is a variant of the apparatus 10 shown in FIG. 1.
  • the apparatus 200 includes a pump 220, the direction of rotation of which can be reversed and the plug connection means are mounted on the connecting pipe 56.
  • the connecting pipe 56 has a branch 56A for connection to sleeve 102 via a 256A tap and a branch 56B connected to the expansion vessel 62 via a valve 256B.
  • the apparatus 200 In a first direction of rotation of the pump 220, in a mode vacuum producing operation, the apparatus 200 functions as the apparatus 10 shown in Figure 1 to purge circuit 66, by closing the valve 256A and opening the valve 256B.
  • the device 200 In a second direction of rotation of the pump 220, in a operating mode for producing pressurized air, the device 200 allows produce compressed air sent to the expansion tank.
  • To pressurize circuit 66 you must open valve 50A, place valve 51 on valve 50 so that it communicates conduit 47 with conduit 56, open valve 256A and close valve 256B, the overpressure valve on the cap to avoid overpressure in circuit 66.
  • portion 56B is connected to the connector 64 by means of a nozzle automatic shutter in the absence of connection with connection 64, there is no need to provide a 256B tap in the appliance 200. Just do not connect the fitting 64 with portion 56B to test a plug 101, the end piece then forming shut-off valve at the free end of the conduit 56.
  • valves and taps are devices manuals. They could be replaced by solenoid valves or controlled taps electrically for example by relays according to operating modes chosen by a user on a control panel.
  • the case includes, to replace or complement to the storage chamber, means for storing the conduits and / or the conductors by winding them and keeping them at its periphery.
  • the conductors are provided with means for connection adapted to be connected to a cigarette lighter or to a 12 Volt socket of a vehicle or any other means of powering a vehicle.
  • the pump is a manual pump.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP03290661A 2002-04-26 2003-03-17 Einrichtung zum Ablassen und Einfüllen einer Flüssigkeit für einen Kreis eines Kraftfahrzeugs Expired - Lifetime EP1357272B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205264A FR2839058B1 (fr) 2002-04-26 2002-04-26 Appareil de purge de fluide et de remplissage de liquide pour circuit de vehicule
FR0205264 2002-04-26

Publications (2)

Publication Number Publication Date
EP1357272A1 true EP1357272A1 (de) 2003-10-29
EP1357272B1 EP1357272B1 (de) 2007-07-11

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ID=28686332

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EP03290661A Expired - Lifetime EP1357272B1 (de) 2002-04-26 2003-03-17 Einrichtung zum Ablassen und Einfüllen einer Flüssigkeit für einen Kreis eines Kraftfahrzeugs

Country Status (5)

Country Link
EP (1) EP1357272B1 (de)
AT (1) ATE366867T1 (de)
DE (1) DE60314801T2 (de)
ES (1) ES2286392T3 (de)
FR (1) FR2839058B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028682A1 (de) * 2006-09-08 2008-03-13 Josef Dagn Vorrichtung zum befüllen und druckprüfen von kühlflüssigkeitssystem von kraftfahrzeugmotoren
FR2958364A1 (fr) * 2010-04-02 2011-10-07 Peugeot Citroen Automobiles Sa Raccord implantable dans un circuit de refroidissement pour former une derivation vers un circuit externe
WO2013039731A3 (en) * 2011-09-15 2013-06-13 General Electric Company Systems and methods for diagnosing an engine
CN107882634A (zh) * 2017-12-12 2018-04-06 威海怡和专用设备制造有限公司 车载式舰船内燃机不解体清洗系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597850A1 (fr) * 1986-04-28 1987-10-30 Tecalemit Equip Dispositif de transfert de transfert de liquide
US4888980A (en) * 1989-04-21 1989-12-26 Derome Raymond D Apparatus and method for testing, filling and purging closed fluid systems
DE9402540U1 (de) * 1994-02-16 1994-05-05 Preussag Recycling Gmbh Vorrichtung zum Absaugen von Betriebsmedien aus Fahrzeugen
US5492144A (en) * 1994-06-29 1996-02-20 Kriewaldt; George Multi-compartmented vacuum tank
US5615716A (en) * 1994-12-15 1997-04-01 Akazawa; Yasumasa Engine coolant changing apparatus
WO1997012173A1 (en) * 1995-09-26 1997-04-03 C.H. & I. Technologies, Inc. Fluid change system
US5673733A (en) * 1993-07-27 1997-10-07 Ashland, Inc. Engine coolant removal and refill method and device
US20010022203A1 (en) * 1998-11-02 2001-09-20 John Rome Method and apparatus for servicing engine cooling systems

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597850A1 (fr) * 1986-04-28 1987-10-30 Tecalemit Equip Dispositif de transfert de transfert de liquide
US4888980A (en) * 1989-04-21 1989-12-26 Derome Raymond D Apparatus and method for testing, filling and purging closed fluid systems
US5673733A (en) * 1993-07-27 1997-10-07 Ashland, Inc. Engine coolant removal and refill method and device
DE9402540U1 (de) * 1994-02-16 1994-05-05 Preussag Recycling Gmbh Vorrichtung zum Absaugen von Betriebsmedien aus Fahrzeugen
US5492144A (en) * 1994-06-29 1996-02-20 Kriewaldt; George Multi-compartmented vacuum tank
US5615716A (en) * 1994-12-15 1997-04-01 Akazawa; Yasumasa Engine coolant changing apparatus
WO1997012173A1 (en) * 1995-09-26 1997-04-03 C.H. & I. Technologies, Inc. Fluid change system
US20010022203A1 (en) * 1998-11-02 2001-09-20 John Rome Method and apparatus for servicing engine cooling systems

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008028682A1 (de) * 2006-09-08 2008-03-13 Josef Dagn Vorrichtung zum befüllen und druckprüfen von kühlflüssigkeitssystem von kraftfahrzeugmotoren
FR2958364A1 (fr) * 2010-04-02 2011-10-07 Peugeot Citroen Automobiles Sa Raccord implantable dans un circuit de refroidissement pour former une derivation vers un circuit externe
WO2013039731A3 (en) * 2011-09-15 2013-06-13 General Electric Company Systems and methods for diagnosing an engine
US8875561B2 (en) 2011-09-15 2014-11-04 General Electric Company Systems and methods for diagnosing an engine
EA030230B1 (ru) * 2011-09-15 2018-07-31 Дженерал Электрик Компани Системы и способы диагностики двигателя
CN107882634A (zh) * 2017-12-12 2018-04-06 威海怡和专用设备制造有限公司 车载式舰船内燃机不解体清洗系统
CN107882634B (zh) * 2017-12-12 2024-01-12 威海怡和专用设备制造有限公司 车载式舰船内燃机不解体清洗系统

Also Published As

Publication number Publication date
ATE366867T1 (de) 2007-08-15
FR2839058A1 (fr) 2003-10-31
ES2286392T3 (es) 2007-12-01
DE60314801D1 (de) 2007-08-23
EP1357272B1 (de) 2007-07-11
DE60314801T2 (de) 2008-03-13
FR2839058B1 (fr) 2004-06-25

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