EP1013908B1 - Appareil de remplacement du liquide de refroidissement - Google Patents
Appareil de remplacement du liquide de refroidissement Download PDFInfo
- Publication number
- EP1013908B1 EP1013908B1 EP99420251A EP99420251A EP1013908B1 EP 1013908 B1 EP1013908 B1 EP 1013908B1 EP 99420251 A EP99420251 A EP 99420251A EP 99420251 A EP99420251 A EP 99420251A EP 1013908 B1 EP1013908 B1 EP 1013908B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- cooling
- valve
- introduction
- evacuation
- 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.)
- Expired - Lifetime
Links
Images
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 a device for coolant replacement of a circuit of loop cooling of a heat engine comprising cooling, means for discharging the liquid out of the cooling circuit and means of connection to the cooling circuits suitable for connection, means of introduction and evacuation respectively at a liquid introduction inlet and outlet of liquid evacuation, which input and output delimit an interruption of the loop formed by the cooling system.
- connection means of the apparatus described in this document include two independent adapters. One ensures the only connection of the means of introduction of the liquid at the inlet of the cooling circuit. The other ensures the only connection of the liquid outlet the means of evacuation of the apparatus.
- the replacement of the coolant is performed while the engine is running so to ensure a satisfactory circulation of the liquid.
- thermostatic valves commonly designated by Calorstat, adapted to interrupt the circulation of coolant when its temperature is below a predetermined temperature.
- the object of the invention is to provide an apparatus for coolant replacement not showing disadvantages mentioned above, and who in particular is convenient to use for the operator and without risk for this one.
- the subject of the invention is an apparatus for replacing the coolant in a circuit loop cooling of a heat engine such as defined in claim 1.
- FIG. 1 there is shown a heat engine 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 cooling the motor 10 by a conduit 14A.
- the collector of 10A cooling provided at the output of the motor is connected by a pipe 14B at the inlet of the radiator 12.
- the coolant replacement device designated by the general reference 16 is connected in a interruption in line 14B.
- This apparatus essentially comprises means 18 introduction of a new coolant, means 20 for collecting 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 the pipe 14B.
- they comprise a first connector 24 adapted for be connected to a 26 Hose provided at the outlet of the collector 10A. This hose forms a discharge outlet of the liquid of cooling off 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 introductory entry of the new cooling liquid.
- connection means 22 further comprise a 32 switchable distributor between a position of replacing the liquid, in which bonds are established, on the one hand, between the means of introduction of the liquid and the inlet 30 for introducing the liquid and, on the other hand, between the means 20 for discharging the liquid and the outlet 26 for discharging the liquid, and a position of recovery of the cooling circuit loop 14, wherein the liquid introduction inlet 30 is connected to the discharge outlet 26 of the liquid.
- distributor 32 has a 3 way valve 34 introduction new coolant and a 3-way valve 36 used coolant drain. he further comprises a branch line 38 connecting directly an escape route from the evacuation valve 36 to an inlet channel of the introduction valve 34.
- the connector 28 is installed on an output channel of the inlet valve 34. At the last channel of the valve 34, constituting an input, are connected the means 18 introduction of the new coolant.
- the insertion valve 34 is switchable between a recovery position of the circuit loop cooling, in which the bypass line 38 is connected to the input 30, the output means 18 being closed, and a position of coolant replacement, in which the introduction means 18 are connected to the inlet 30.
- the connector 24 is installed on an input channel of the valve 36 for collecting the used coolant.
- the last channel of the evacuation valve 36 constituting an outlet, is connected to the evacuation means 20.
- the discharge valve 36 is switchable between a recovery position of the circuit loop cooling, in which the exhaust outlet 26 is connected to the bypass line 38, the means 20 being isolated, and a position of replacement of the coolant, in which the outlet 26 is connected to the evacuation 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 commander mechanically, respectively, the valves 34 and 36.
- actuators are connected for their control to a information processing unit 44.
- the latter implement a program adapted to switch sequentially the valves 34 and 36 between their two positions following a sequence ensuring the replacement of the liquid of cooling, and this, from information collected especially on the means 18 for introducing the liquid of cooling.
- the control of the actuators by the unit of 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 supplied by the pump 52 is of the order of 0.4 bar.
- the tank 50 is equipped with a connected level sensor 54 to the central information processing unit 44. Similarly, the latter is connected to the pump 52 for piloting its start and stop.
- the means 20 for collecting the coolant used have a reservoir 60 for storing the liquid collected. The latter is connected directly to the exit of the valve 36.
- the apparatus 16 operates as follows under the program control implemented by the Central Unit of information processing 44.
- the tank 50 is first filled with a quantity of sufficient liquid commonly included between 6 and 12 liters.
- the operator In order to proceed with the renewal of the liquid cooling, the operator interrupts the loop of cooling 14 between the output of the motor 10 and the input radiator 12 while the engine is stopped. he then connect the connectors 24 and 28 respectively to the outlet 26 and the inlet 30 of the cooling circuit.
- the distributor 32 is initially in the position of loopback recovery of the cooling circuit.
- 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 apparatus 16 is engaged by the operator.
- the distributor 32 is then switched automatically in its position of replacing the liquid of cooling and the pump 52 is turned on.
- the valves 34 and 36 are thus brought under the control of the actuators 40 and 42 in their renewal positions coolant.
- the new coolant initially contained in the tank 50 then flows gradually through the valve 34, the tank 12, the pipe 14A and the motor 10A to finally come out through the valve 36.
- the distributor 32 When the level sensor 54 detects the introduction of a sufficient quantity of the new liquid of cooling, the distributor 32 is brought back automatically in its position of restoring the cooling circuit loop and the pump 52 is stopped.
- the quantity introduced is typically 115 % of the total amount of liquid normally contained in the cooling circuit 14.
- the coolant contained in the circuit 14 then circulates in closed loop through the conduct of derivative 38, under the action of the engine 10.
- the connectors 24 and 28 can be installed while the engine is cold, without risk of burn of the operator.
- FIG. 2 showing a variant embodiment of the apparatus of Figure 1, analogous elements or correspondents are designated by the same numbers of reference only in FIG.
- the distributor noted 62 of the liquid replacement apparatus comprises a valve 4 two channels have a 24.28 connector for the connection to the liquid introduction inlet 30 and the connection to the discharge outlet 26 of the liquid. Both other ways are linked to the means of introduction of the liquid.
- the 4-way valve is adapted to establish in a liquid replacement position, connections between, on the one hand, the means 18 for introducing the liquid and the connector 28 associated with the input input 30 of the liquid, and, on the other hand, the means for evacuating the liquid and the connector 24 associated with the exhaust outlet of liquid, and to establish in a position of recovery of the cooling circuit loop 14, a connection between the connectors 24, 28.
- the valve is controlled by a single actuator 64 driven by the information processing unit 44.
- the pump 52 is removed and replaced for the introduction of the new liquid from cooling by means 66 for pressurizing the atmosphere above the new liquid contained in the tank 50.
- These means 66 comprise for example a hose of connection from the top of the tank 50 to a local compressed air supply network as he in exists in garages. On this hose is provided a control valve 68 controlled by the treatment unit 44. Valve 68 is used to pressurize of the tank 50 when introducing the new liquid of cooling and venting the tank 50, when the distributor 62 is in its recovery position of the loop of the cooling circuit.
- 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 that is provided.
- This connector 100 comprises a body 102 and a set 104 of several interchangeable tips allowing the 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 threaded for ensure the attachment of one of the tips of the game 104.
- a conduit radial 108 is formed in the body between its surface side and the interior of the housing 106. This conduit is extended by a cannula 110 to which is connected to remains a flexible conduct of connection to one of the tracks of the distributor.
- the game 104 comprises three different tips 104A, 104B, 104C each to be screwed into the body 102.
- the tips all comprise a section threaded 122 of the same size. These threaded sections are adapted to cooperate with the tapping of the body 102 and so allow the interchangeable assembly of the body and different tips.
- Each end cap 104A, 104B, 104C further comprises in the extension of the threaded section 122 a tubular section 124A, 124B, 124C with smooth or very smooth outer surface slightly striated to be forced into the cooling circuit conduct in the interruption which is spared.
- the outer diameters of the tubular sections of different tips are different. They are divided in the range of the usual internal diameters in the engine cooling circuits vehicle.
- the outside diameters of tubular sections of the three tips are 28, 34 and 39 mm. They are respectively suitable for connection to ducts formed of hoses having diameters interiors of 26 to 32 mm, 33 to 36 mm and 37 to 42 mm. It is understood that with such connectors, the device according to the invention can be used in circuits of cooling having hoses of different diameters and this in an easy way. Indeed, only the tips must be changed to adapt the device to the diameter of the hoses, without the need for replace the connector assembly. Plus the tips easy to assemble and disassemble 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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
- la figure 1 est une vue schématique d'un appareil selon l'invention installé sur le circuit de refroidissement d'un moteur thermique;
- la figure 2 est une vue schématique d'une variante de réalisation de l'appareil de la figure 1; et
- la figure 3 est une vue en perspective d'un connecteur de liaison de l'appareil à une conduite du circuit de refroidissement représenté avec plusieurs embouts interchangeables.
Claims (7)
- Appareil (16) de remplacement du liquide de refroidissement dans un circuit de refroidissement en boucle (14) d'un moteur thermique (10) comportant des moyens (18) d'introduction du liquide dans le circuit de refroidissement (14), des moyens (20) d'évacuation du liquide hors du circuit de refroidissement (14) et des moyens (22) de connexion au circuit de refroidissement (14) adaptés pour le raccordement des moyens d'introduction (18) et d'évacuation (20), respectivement à une entrée (30) d'introduction du liquide, et à une sortie (26) d'évacuation du liquide, lesquelles entrée et sortie délimitent une interruption de la boucle formée par le circuit de refroidissement (14), dans lequel les moyens de connexion (22) comportent un distributeur (32 ; 62) commutable entre une position de remplacement du liquide, dans laquelle des liaisons sont établies, d'une part, entre les moyens (18) d'introduction du liquide et l'entrée (30) d'introduction du liquide et, d'autre part, entre les moyens (20) d'évacuation du liquide et la sortie (26) d'évacuation du liquide, et une position de rétablissement de la boucle du circuit de refroidissement (14), dans laquelle l'entrée (30) d'introduction du liquide est reliée à la sortie (26) d'évacuation du liquide caractérisé en ce que ledit distributeur (32;62) est adapté pour assurer une obturation des moyens d'introduction (18) et une isolation des moyens (20) d'évacuation lorsqu'il est dans ladite position de rétablissement.
- Appareil selon la revendication 1, caractérisé en ce que ledit distributeur (32) comporte une vanne 3 voies (34) d'introduction du liquide, une vanne 3 voies (36) d'évacuation du liquide et une conduite de dérivation (38) reliant une voie de la vanne d'introduction (34) et une voie de la vanne d'évacuation (36), en ce que une voie de la vanne d'introduction (34) est reliée aux moyens (18) d'introduction de liquide, alors que son autre voie est munie d'un connecteur (28) de liaison à l'entrée (30) d'introduction du liquide, et en ce que une voie de la vanne d'évacuation (36) est reliée aux moyens d'évacuation (20) du liquide, alors que son autre voie est munie d'un connecteur (24) de liaison à la sortie (26) d'évacuation du liquide.
- Appareil selon la revendication 1, caractérisé en ce que ledit distributeur (64) comporte une vanne 4 voies dont deux voies sont munies d'un connecteur (24,28) pour la liaison à l'entrée (30) d'introduction du liquide et la liaison à la sortie (26) d'évacuation du liquide, les deux autres voies étant reliées aux moyens (18) d'introduction du liquide, laquelle vanne est adaptée pour établir, dans une position de remplacement du liquide, des liaisons entre, d'une part, les moyens (18) d'introduction du liquide et le connecteur (28) associé à l'entrée (30) d'introduction du liquide, et, d'autre part, les moyens (20) d'évacuation du liquide et le connecteur (24) associé à la sortie d'évacuation du liquide, et pour établir dans une position de rétablissement de la boucle du circuit de refroidissement (14), une liaison entre les connecteurs (24, 28).
- Appareil selon la revendication 2 ou 3 caractérisé en ce que au moins l'un des connecteurs de liaisons (24,28) comporte un corps (102) relié à demeure au distributeur (36,64), et au moins deux embouts interchangeables (104A, 104B, 104C) adaptés chacun pour la connexion par emmanchement dans des conduits de diamètres intérieurs différents, les corps (102) et chacun desdits embouts comportant des moyen d'accouplement complémentaires.
- Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte au moins un actionneur (40, 42 ; 64) adapté pour commuter ledit distributeur (32) depuis sa position de remplacement du liquide vers sa position de rétablissement de la boucle du circuit de refroidissement et une unité centrale de traitement d'informations (44) adaptée pour commander ledit actionneur entre ces deux positions lors de l'achèvement d'une phase de remplacement du liquide.
- Appareil selon la revendication 5, caractérisé en ce que les moyens d'introduction (18) comportent des moyens (54) de mesure de la quantité de liquide introduite reliés à l'unité de traitement d'informations (44), et en ce que ladite unité de traitement d'informations (44) est adaptée pour commander la commutation du distributeur (32 ; 64) de sa position de remplacement du liquide vers sa position de rétablissement de la boucle du circuit de refroidissement (14), lorsque la quantité de liquide introduite dépasse une valeur de seuil prédéterminée.
- Appareil selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens (18) d'introduction du liquide comportent un réservoir (50) de stockage du liquide à introduire et des moyens (66) de mise en surpression du réservoir (50) pour provoquer l'écoulement du liquide.
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 EP1013908A1 (fr) | 2000-06-28 |
EP1013908B1 true EP1013908B1 (fr) | 2005-03-02 |
Family
ID=9534525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99420251A Expired - Lifetime EP1013908B1 (fr) | 1998-12-22 | 1999-12-20 | Appareil de remplacement du liquide de refroidissement |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1013908B1 (fr) |
AT (1) | ATE290159T1 (fr) |
DE (1) | DE69923936D1 (fr) |
FR (1) | FR2787507B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6604557B2 (en) | 2001-12-03 | 2003-08-12 | Adam Awad | Automotive radiator flush system and methods of use |
US6523580B1 (en) | 2001-12-03 | 2003-02-25 | Adam Awad | Automotive radiator flush system and methods of use |
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 |
CN115324712B (zh) * | 2022-09-06 | 2023-10-27 | 中广核工程有限公司 | 冷却液充排系统 |
Family Cites Families (6)
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 |
CA2075444C (fr) * | 1991-08-28 | 2002-05-28 | Richard F. Creeron | Appareil et procede servant a changer un systeme de refroidissement |
US5318700A (en) | 1992-08-07 | 1994-06-07 | Wynn Oil Company | Engine and radiator coolant treatment and handling, enabling coolant reuse |
JP2800997B2 (ja) * | 1994-12-15 | 1998-09-21 | 廉正 赤澤 | エンジン冷却液交換装置 |
WO1998039111A1 (fr) * | 1997-03-07 | 1998-09-11 | K-Line Industries, Inc. | Systeme et procede de rinçage d'un refroidisseur |
-
1998
- 1998-12-22 FR FR9816464A patent/FR2787507B1/fr not_active Expired - Fee Related
-
1999
- 1999-12-20 AT AT99420251T patent/ATE290159T1/de not_active IP Right Cessation
- 1999-12-20 DE DE69923936T patent/DE69923936D1/de not_active Expired - Lifetime
- 1999-12-20 EP EP99420251A patent/EP1013908B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69923936D1 (de) | 2005-04-07 |
ATE290159T1 (de) | 2005-03-15 |
FR2787507A1 (fr) | 2000-06-23 |
FR2787507B1 (fr) | 2001-03-23 |
EP1013908A1 (fr) | 2000-06-28 |
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