EP1013908A1 - Wechseleinrichting für Kühlmittel - Google Patents

Wechseleinrichting für Kühlmittel Download PDF

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Publication number
EP1013908A1
EP1013908A1 EP99420251A EP99420251A EP1013908A1 EP 1013908 A1 EP1013908 A1 EP 1013908A1 EP 99420251 A EP99420251 A EP 99420251A EP 99420251 A EP99420251 A EP 99420251A EP 1013908 A1 EP1013908 A1 EP 1013908A1
Authority
EP
European Patent Office
Prior art keywords
liquid
introducing
cooling
connection
valve
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
EP99420251A
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English (en)
French (fr)
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EP1013908B1 (de
Inventor
Thierry Gayet
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1013908A1 publication Critical patent/EP1013908A1/de
Application granted granted Critical
Publication of EP1013908B1 publication Critical patent/EP1013908B1/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
    • F01P11/06—Cleaning; Combating corrosion
    • 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
    • F01P11/06—Cleaning; Combating corrosion
    • F01P2011/065—Flushing

Definitions

  • the present invention relates to an apparatus for replacement of the coolant in a circuit loop cooling of an internal combustion engine cooling, means for removing the liquid from the cooling circuit and means of connection to the cooling circuit suitable for connection, means of introduction and evacuation, respectively to a liquid inlet and outlet liquid discharge, which inlet and outlet delimit an interruption of the loop formed by the cooling system.
  • Such a device is described for example in the document EP-A-0 582 053.
  • the means of connection of the apparatus described in this document have two independent adapters. One ensures the only connection of the means for introducing the liquid at the inlet of the cooling circuit. The other ensures the only connection of the liquid discharge outlet the means of evacuation of the device.
  • the replacement of the coolant is performed while the engine is running so to ensure satisfactory circulation of the liquid.
  • thermostatic valves commonly designated by Calorstat, adapted to interrupt the coolant circulation when its temperature is lower than a predetermined temperature.
  • the operator should ensure stop the engine before the new fluid cooling stored in the introduction means comes to miss. Otherwise, the engine may continue to operate without coolant, which can cause it to overheat and degrade.
  • the presence attentive and continuous operator attention is therefore essential, since only this one can intervene on the functioning of the engine to stop it.
  • the object of the invention is to provide an apparatus for replacement of coolant without the disadvantages mentioned above, and which particular is convenient to use for the operator and without risk for this one.
  • the invention relates to an apparatus for replacement of coolant in a circuit loop cooling of a heat engine such as defined in claim 1.
  • a heat engine is shown 10, for example of a motor vehicle, and a radiator 12. These are connected by a cooling circuit 14 normally forming a closed loop.
  • the output of the radiator 12 is connected to the input for cooling the motor 10 via a line 14A.
  • the 10A cooling provided at the motor output is connected by a line 14B at the inlet of the radiator 12.
  • the coolant replacement device designated by the general reference 16 is connected in a interruption in driving 14B.
  • This device essentially comprises means 18 introduction of a new coolant, means 20 for collecting the used coolant and means 22 for connecting the introduction means 18 and of collection 20 to the cooling circuit on the pipe 14B connecting the output of the engine 10 to the radiator 12.
  • connection means 22 are intended to be installed in the interruption of line 14B.
  • they comprise a first connector 24, adapted for be connected to a hose 26 provided at the outlet of the manifold 10A.
  • This hose forms a discharge outlet for the liquid cooling outside the circuit 14.
  • the means 22 comprise a second connector 28 adapted to be connected to an inlet 30 of the radiator. This entry forms an introduction entry for the new cooling liquid.
  • connection means 22 also include a distributor 32 switchable between a position liquid replacement, in which bonds are established, on the one hand, between the means 18 for introducing the liquid and the inlet 30 for introducing the liquid and, on the other part, between the means 20 for discharging the liquid and the outlet 26 for discharging the liquid, and a position restoration of the cooling circuit loop 14, in which the inlet 30 for introducing the liquid is connected to the outlet 26 for discharging the liquid.
  • the distributor 32 includes a 3-way valve 34 for introduction new coolant and a 3-way valve 36 for removing the used coolant. he further includes a bypass line 38 connecting directly an outlet channel of the drain valve 36 to an inlet channel of the introduction valve 34.
  • the connector 28 is installed on an outlet channel of the inlet valve 34. At the last port of the valve 34, constituting an entry, are connected the means 18 introduction of the new coolant.
  • the introduction valve 34 is switchable between a recovery position of the circuit loop cooling, in which the bypass line 38 is connected to input 30, the output of the means introduction 18 being closed, and a position of replacement of coolant, in which the introduction means 18 are connected to the input 30.
  • Connector 24 is installed on an input channel of the valve 36 for collecting the used coolant.
  • the last channel of the drain valve 36, constituting an outlet is connected to the discharge means 20.
  • the drain valve 36 is switchable between a recovery position of the circuit loop cooling, in which the discharge outlet 26 is connected to the bypass line 38, the means evacuation 20 being isolated, and a position of replacement of the coolant, in which the outlet 26 is connected to the discharge means 20.
  • the apparatus 16 further comprises means for simultaneous and automatic switching of the two valves 34 and 36 between their two positions.
  • these means of switching comprise two actuators 40, 42 controlling mechanically, respectively, valves 34 and 36.
  • actuators are connected for their control to a information processing unit 44.
  • the latter highlights implements a suitable program to switch sequentially the valves 34 and 36 between their two positions according to a sequence ensuring the replacement of the cooling based on information collected in particular on the means 18 for introducing the liquid cooling.
  • the control of the actuators by the information processing 44 will be described in detail in the after.
  • the means 18 comprise a reservoir 50 for storing the new coolant.
  • the tank is connected by a pump 52 for pressurizing the valve 34.
  • the overpressure provided by the pump 52 is around 0.4 bar.
  • the reservoir 50 is provided with a level sensor 54 connected to the central information processing unit 44. Likewise, the latter is connected to pump 52 for piloting its start and stop.
  • the means 20 for collecting the coolant used have a liquid storage tank 60 collected. The latter is directly connected to the output of valve 36.
  • the apparatus 16 operates in the following manner under the control of the program implemented by the central processing unit information processing 44.
  • the reservoir 50 is first filled with an amount of sufficient liquid commonly between 6 and 12 liters.
  • the operator In order to renew the liquid cooling, the operator interrupts the cooling 14 between the motor outlet 10 and the inlet of the radiator 12 while the engine is stopped. he then connect connectors 24 and 28 respectively to outlet 26 and inlet 30 of the cooling circuit.
  • the distributor 32 is initially in the position of cooling system loop restoration.
  • the engine 10 is then started. After a time of sufficient operation to cause the opening of the thermostatic valve of the cooling circuit, the cycle of operation of the device 16 is switched on by the operator.
  • the distributor 32 is then automatically switched in its liquid replacement position cooling and the pump 52 is started.
  • the valves 34 and 36 are thus brought under the control of actuators 40 and 42 in their renewal positions coolant.
  • the new coolant initially contained in the tank 50 then flows gradually through valve 34, tank 12, line 14A and the motor 10A to finally come out through the valve 36.
  • the distributor 32 When the level sensor 54 detects the introduction a sufficient amount of the new liquid cooling, the distributor 32 is brought back automatically in its recovery position the cooling circuit loop and pump 52 is stopped.
  • the quantity introduced is typically equal to 115 % of the total amount of liquid normally contained in the cooling circuit 14.
  • the coolant contained in circuit 14 then circulates in a closed loop through the bypass 38, under the action of the motor 10.
  • connectors 24 and 28 can be installed while the engine is cold, without risk of operator burn.
  • FIG. 2 showing an alternative embodiment of the apparatus of Figure 1, the like or correspondents are designated by the same numbers reference as in Figure 1.
  • the distributor noted 62 of the liquid replacement device has a valve 4 lanes of which two lanes are fitted with a 24.28 connector for the connection to the inlet 30 for introducing the liquid and the connection to the outlet 26 for discharging the liquid. Both other channels are connected to the means 18 for introducing the liquid.
  • the 4-way valve is suitable for establishing in a liquid replacement position, connections between, on the one hand, the means 18 for introducing the liquid and the connector 28 associated with input 30 for introducing the liquid, and, on the other hand, the means 20 for evacuating the liquid and the connector 24 associated with the discharge outlet liquid, and to establish in a position of restoration of the cooling circuit loop 14, a connection between the connectors 24, 28.
  • the valve is controlled by a single actuator 64 controlled by the information processing unit 44.
  • the pump 52 is eliminated and replaced for the introduction of the new liquid cooling by means 66 for pressurizing the atmosphere above the new liquid in the tank 50.
  • These means 66 include for example a flexible connection of the upper part of the tank 50 to a local compressed air supply network as it exists in garages. On this hose is provided a control valve 68 controlled by the processing unit 44. Valve 68 ensures pressurization of the reservoir 50 during the introduction of the new liquid cooling and venting the tank 50, when the distributor 62 is in its recovery position of the cooling circuit loop.
  • FIG 3 is shown a connector 100 which is advantageously used to form the connector 24 or the connector 28, to ensure the connection of the device to the conduct of the cooling circuit in the interruption provided there.
  • This connector 100 comprises a body 102 and a set 104 of several interchangeable tips allowing connection to Hoses of different diameters.
  • the body 102 is generally of revolution. It comprises an axial housing 106 opening at one end of the body. The lateral surface of the housing 106 is tapped for secure one of the end pieces of the set 104. A conduit radial 108 is formed in the body between its surface side and inside of housing 106. This duct is extended by a cannula 110 to which is connected to remains a flexible pipe connecting to one of the tracks of the distributor.
  • the set 104 comprises three different tips 104A, 104B, 104C each capable of be screwed into the body 102.
  • Each end piece is traversed axially from side to side by a conduit 120.
  • the end pieces all have a section threaded 122 of the same size. These threaded sections are suitable to cooperate with the thread of the body 102 and so allow interchangeable assembly of the body and different tips.
  • Each end pieces 104A, 104B, 104C further comprises in the extension of the threaded section 122 a tubular section 124A, 124B, 124C with smooth or very outer surface slightly striated intended to be force-fitted into the cooling system conduct in interruption which is spared there.
  • the outside diameters of the tubular sections of different tips are different. They are divided in the range of the usual inside diameters in the lines of the engine cooling circuits vehicle.
  • the outside diameters of tubular sections of the three end pieces are 28, 34 and 39 mm. They are respectively suitable for connection to conduits formed from Hoses having diameters interiors from 26 to 32 mm, 33 to 36 mm and 37 to 42 mm.
  • the device according to the invention can be used in circuits of cooling with Hoses of different diameters and this in an easy way. Indeed, only the tips must be changed to adapt the device to diameter of the hoses, without the need to replace the connector assembly. Plus the tips can be easily assembled and disassembled since they are screwed into the body 102.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP99420251A 1998-12-22 1999-12-20 Wechseleinrichting für Kühlmittel Expired - Lifetime EP1013908B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9816464 1998-12-22
FR9816464A FR2787507B1 (fr) 1998-12-22 1998-12-22 Appareil de remplacement du liquide de refroidissement

Publications (2)

Publication Number Publication Date
EP1013908A1 true EP1013908A1 (de) 2000-06-28
EP1013908B1 EP1013908B1 (de) 2005-03-02

Family

ID=9534525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99420251A Expired - Lifetime EP1013908B1 (de) 1998-12-22 1999-12-20 Wechseleinrichting für Kühlmittel

Country Status (4)

Country Link
EP (1) EP1013908B1 (de)
AT (1) ATE290159T1 (de)
DE (1) DE69923936D1 (de)
FR (1) FR2787507B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6523580B1 (en) 2001-12-03 2003-02-25 Adam Awad Automotive radiator flush system and methods of use
US6604557B2 (en) 2001-12-03 2003-08-12 Adam Awad Automotive radiator flush system and methods of use
CN114867284A (zh) * 2021-02-04 2022-08-05 泽鸿(广州)电子科技有限公司 冷却液分配装置
CN115324712A (zh) * 2022-09-06 2022-11-11 中广核工程有限公司 冷却液充排系统
CN116113222A (zh) * 2023-03-20 2023-05-12 苏州浪潮智能科技有限公司 一种服务器散热装置及服务器集群系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106382153B (zh) * 2016-10-10 2018-11-13 柳州柳工挖掘机有限公司 建筑机械用冷却装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632719A (en) * 1947-10-11 1953-03-24 Teller B Tankersley Means and methods for flushing the passageways of vehicle radiators and engines
US4293031A (en) * 1977-12-01 1981-10-06 Wynn Oil Company Engine cooling system flushing apparatus and method
US5615716A (en) * 1994-12-15 1997-04-01 Akazawa; Yasumasa Engine coolant changing apparatus
US5804063A (en) * 1991-08-28 1998-09-08 Prestone Products Corporation Cooling system change-over apparatus and process
WO1998039111A1 (en) * 1997-03-07 1998-09-11 K-Line Industries, Inc. System and method for flushing a cooler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318700A (en) 1992-08-07 1994-06-07 Wynn Oil Company Engine and radiator coolant treatment and handling, enabling coolant reuse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632719A (en) * 1947-10-11 1953-03-24 Teller B Tankersley Means and methods for flushing the passageways of vehicle radiators and engines
US4293031A (en) * 1977-12-01 1981-10-06 Wynn Oil Company Engine cooling system flushing apparatus and method
US5804063A (en) * 1991-08-28 1998-09-08 Prestone Products Corporation Cooling system change-over apparatus and process
US5615716A (en) * 1994-12-15 1997-04-01 Akazawa; Yasumasa Engine coolant changing apparatus
WO1998039111A1 (en) * 1997-03-07 1998-09-11 K-Line Industries, Inc. System and method for flushing a cooler

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6523580B1 (en) 2001-12-03 2003-02-25 Adam Awad Automotive radiator flush system and methods of use
US6604557B2 (en) 2001-12-03 2003-08-12 Adam Awad Automotive radiator flush system and methods of use
US6889724B2 (en) 2002-09-24 2005-05-10 Adam Awad Stationary fluid replacement system and methods of use
CN114867284A (zh) * 2021-02-04 2022-08-05 泽鸿(广州)电子科技有限公司 冷却液分配装置
CN114867284B (zh) * 2021-02-04 2026-01-16 泽鸿(广州)电子科技有限公司 冷却液分配装置
CN115324712A (zh) * 2022-09-06 2022-11-11 中广核工程有限公司 冷却液充排系统
CN115324712B (zh) * 2022-09-06 2023-10-27 中广核工程有限公司 冷却液充排系统
CN116113222A (zh) * 2023-03-20 2023-05-12 苏州浪潮智能科技有限公司 一种服务器散热装置及服务器集群系统

Also Published As

Publication number Publication date
EP1013908B1 (de) 2005-03-02
ATE290159T1 (de) 2005-03-15
FR2787507B1 (fr) 2001-03-23
FR2787507A1 (fr) 2000-06-23
DE69923936D1 (de) 2005-04-07

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