EP1881171A1 - Soupape de contrôle du débit de liquide de refroidissement pour le radiateur d'un véhicule et système avec au moins une telle soupape - Google Patents

Soupape de contrôle du débit de liquide de refroidissement pour le radiateur d'un véhicule et système avec au moins une telle soupape Download PDF

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Publication number
EP1881171A1
EP1881171A1 EP07012885A EP07012885A EP1881171A1 EP 1881171 A1 EP1881171 A1 EP 1881171A1 EP 07012885 A EP07012885 A EP 07012885A EP 07012885 A EP07012885 A EP 07012885A EP 1881171 A1 EP1881171 A1 EP 1881171A1
Authority
EP
European Patent Office
Prior art keywords
valve
closure element
heat exchanger
radiator
opening
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
EP07012885A
Other languages
German (de)
English (en)
Other versions
EP1881171B1 (fr
Inventor
Nicolae Folea
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1881171A1 publication Critical patent/EP1881171A1/fr
Application granted granted Critical
Publication of EP1881171B1 publication Critical patent/EP1881171B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • 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
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • 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
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/08—Cabin heater

Definitions

  • the present invention relates to a valve for controlling a coolant flow for a radiator of a motor vehicle according to claim 1 and a system with at least one valve.
  • a heat exchanger in particular a radiator is usually used, which usually has a finned tube block of tubes such as flat tubes, through which a first medium, in particular a water-containing cooling liquid, flows.
  • ribs Adjacent to the tubes, in particular to the flat tubes, ribs such as corrugated ribs are arranged or connected to the tubes, in particular flat tubes, cohesively, for example, by soldering, welding, gluing, etc.
  • Heat is transferred to a second medium, in particular air, flowing past the flat tubes and / or the corrugated fins through the ribs, in particular the corrugated ribs, but also through the tubes, in particular the flat tubes.
  • the air warms up.
  • the heated air is used to heat the passenger compartment of a motor vehicle.
  • the first medium in particular the cooling medium, such as a water-containing cooling liquid or air or another cooling liquid flows at least in sections through an internal combustion engine of a motor vehicle and thereby cools the internal combustion engine of the motor vehicle.
  • the heat absorbed by the first medium, in particular the cooling medium, as already mentioned, is transferred in the first heat exchanger, in particular the radiator, to air flowing past it.
  • From the internal combustion engine flows at least in a first line section heated by the engine cooling medium to the first heat exchanger, in particular the radiator, flows through this in the tubes, in particular in the flat tubes and leaves the first heat exchanger, in particular the radiator and flows into a second line section again combustion engine.
  • an at least third line section is known for bypassing the first heat exchanger, in particular the radiator. At least part of the first cooling medium or the entire first cooling medium can be fed directly back to the internal combustion engine after leaving the engine through the bypass line.
  • At least one pump such as an electric pump, which is arranged in the first line section or in the second line section or in the bypass channel and pumps the first medium, in particular the cooling fluid, through the motor.
  • valve element which controls the flow of the first heat exchanger, in particular of the radiator, such that the first heat exchanger, in particular the radiator, first medium is supplied or no first medium is supplied.
  • second separately formed valve elements for controlling and / or regulating the flow rate of the first medium, in particular cooling liquid, through the bypass channel are known.
  • Figure 2 shows a system according to the prior art with a first heat exchanger, in particular a radiator HK and with a first valve V1 and a second valve V2.
  • a bypass BP branches off from the first line section ELA.
  • a second valve V2 in particular a magnetically controlled valve, controls the flow of cooling fluid, such as water-containing cooling fluid. According to the position of the second valve V2 of the radiator HK and the heater HK upstream pump P is flowed with coolant or not flowed with coolant.
  • cooling medium enters the heating element HK via the circulation pump P, flows through it and then flows in the direction of the outlet A.
  • the bypass BP flows into the second line section ZLA.
  • a first valve V1 controls the flow of cooling fluid or coolant through the bypass BP.
  • a valve for controlling a coolant flow for a radiator of a motor vehicle with at least a first valve opening for a coolant flow for a radiator, which is closable by means of a first controllable closure element, with at least one second valve opening for bypassing the radiator and for pressure relief, which by means of at least one second closure element is closable, wherein the first closure element and the second closure element are arranged in a structural unit.
  • coolant in particular a water-containing cooling liquid
  • the first valve opening can be closed by means of a first controllable closure element or can be closed by means of a first controllable closure element.
  • controllable is to be understood that the first closure element can be controlled electrically and / or magnetically and / or by means of hydraulics and / or by means of pneumatics.
  • the at least second valve opening is used in particular for bypassing the radiator and / or for limiting the pressure.
  • bypassing is to be understood that the first medium, in particular cooling liquid is not passed through the heat exchanger, in particular the radiator, but is passed around the radiator and at least one internal combustion engine can be fed back directly.
  • the second valve opening can serve to limit the pressure, in particular that at a high pressure in the at least one heat exchanger, in particular the radiator and / or in at least one line, the pressure can be reduced, in which the first medium, in particular the cooling fluid, can flow through the second valve opening.
  • the first closure element and the second closure element can be arranged in a structural unit, in particular in a housing.
  • the first closure element can be controlled by means of at least one electromagnet and / or by means of at least one coil or can be controlled by at least one electromagnet and / or by means of at least one coil or by means of at least one electromagnet and / or by means of at least one coil driven. In this way, the first closure element can particularly advantageously open or close the at least one first valve opening.
  • the first closure element can be controlled by means of at least one vacuum unit.
  • the first closure element can open or close the first valve opening particularly advantageous.
  • the first closure element is formed at least in sections cone-like and / or has a pin-like area for guiding. In this way, the closure of the first valve opening can be sealed particularly advantageous. Furthermore, the first closure element can particularly advantageously close the at least first valve opening.
  • the pin-like region is arranged at least in sections in a guide counter-element. In this way, the first closure element can be guided in a particularly advantageous manner.
  • a further advantageous embodiment is characterized in that on the guide counter-element, at least in sections, a first spring element is arranged for opening the first valve opening in the case of a de-energized electromagnet and / or in the case of a current-depleted coil.
  • a first spring element is arranged for opening the first valve opening in the case of a de-energized electromagnet and / or in the case of a current-depleted coil.
  • the second closure element is at least partially connected to a second spring element and / or is designed such that when a limit pressure is exceeded, the second opening is at least partially opened.
  • the first medium in particular the cooling medium, can be discharged via the bypass particularly advantageously when a limiting pressure is exceeded.
  • a system with at least one valve which has at least one first heat exchanger, in particular a radiator, for heating a passenger compartment of a motor vehicle and at least one second heat exchanger for heating, in particular a rear passenger cell.
  • the system has at least one third heat exchanger for heating a passenger compartment with the internal combustion engine switched off.
  • the passenger compartment can be heated particularly advantageously even with the internal combustion engine by means of a heater.
  • the system has at least one pump, in particular an auxiliary pump, for pumping a first medium for engine cooling and / or passenger compartment heating and / or at least one Bypass line for bypassing at least the first heat exchanger has.
  • the first medium in particular the cooling medium, particularly advantageous to the first heat exchanger, in particular the radiator, are supplied.
  • FIG. 1 shows a valve 1 for controlling a coolant flow for a heat exchanger, in particular a radiator, of a motor vehicle.
  • the valve 1 has a valve housing 5. On the valve housing 5 an inflow pipe 18 for the inflow of coolant and a radiator connection piece 17 are arranged. Further, a bypass connection piece 16 is arranged on the valve housing 5. In the illustrated embodiment, the inflow pipe 18 and / or the radiator connection piece 17 and / or the bypass connection piece 16 is formed integrally with the valve housing 5. In another embodiment, the bypass connection piece 16 and / or the radiator connection piece 17 and / or the inflow pipe 18 to the valve body 5 materially, in particular by welding, soldering, gluing, etc. and / or positively connected.
  • the valve housing 5 is formed of a plastic. In another embodiment, the valve housing 5 is formed of metal such as aluminum or stainless steel or ceramic or of a fiber composite material. The valve housing 5 is made for example by means of a non-forming manufacturing process such as injection molding or die casting. In another embodiment, the valve housing 5 is formed from a forming process such as pressing or stamping.
  • the bypass connecting piece 16 is at least partially tubular and has a bypass connection opening 20.
  • the bypass connection piece is designed in the shape of a flange.
  • the bypass connection piece 16 is positively to the valve housing 5, in particular by screwing and / or cohesively, in particular by soldering, welding, gluing, etc. with the valve housing 5 connected.
  • a not shown tube or pipe element is pushed and attached, for example by means of a clamp on the bypass connection piece 16.
  • the hose element or pipe element, not shown may be positively and / or materially connected to the bypass connection piece 16.
  • a non-designated projection formed from the bypass port which improves in particular the maintenance of the pushed onto the bypass port 16 pipe element or hose member.
  • first valve housing space 29 Adjacent to the bypass connecting piece is followed by a substantially cylindrical first valve housing space of the first valve housing 5, in which the second closing element 8 and the second spring element 12 are arranged.
  • the first valve housing chamber 29 has a unspecified first opening, which is arranged adjacent to the bypass connection piece 16.
  • the valve housing 5 has a second valve opening 4, which is designed in particular as a valve seat for the second closure element 8.
  • the first valve housing space 29 has a larger diameter than the bypass connection piece 16.
  • a stop for the second spring element 12 is formed between the first closure housing space 29 and the bypass connection piece 16.
  • the bypass connection piece has a larger diameter than the first valve housing space 29.
  • the first valve housing chamber 29 has the same diameter as the bypass connection piece 16.
  • the second spring element 12 is formed in the illustrated embodiment substantially as a spiral spring. In another embodiment the second spring element 12 is formed for example as a leaf spring element or as another spring element.
  • the second closure element 8 is designed essentially as a circular plate element, from which a nub is formed. If the inflow to the bypass is closed, then an unspecified annular portion of the second closure element 8 bears against a section of the valve housing 5. The nub-shaped section of the second closure element 8 is arranged substantially in the second valve opening 4. If the bypass channel is open, the second closure element, for example, assumes the position 30, in which the second closure element is shown in dashed lines.
  • medium such as, for example, cooling medium, in particular a water-containing cooling liquid, can then enter the first valve housing space 29 and exit from the valve 1 via the bypass connecting piece 16 in the direction of the second media outlet M2A and flow into the bypass channel (not shown).
  • the second closure element 8 has an at least partially conical and / or cylindrical shape or a shape of the combination of the aforementioned forms. Adjacent to the first valve housing chamber 29, a second valve housing chamber 31 connects. Via the medium inlet direction flows through the inflow opening 19 of the inflow nozzle 18 first cooling medium, in particular water-containing cooling liquid in the second valve housing chamber 31 a.
  • the inflow nozzle 18 has in the illustrated embodiment unspecified at least partially round grooves, which are formed circumferentially around the inflow pipe 18. In this way, a hose or pipe element can be pushed onto the inflow pipe 18. A detachment of the unspecified pipe element or hose member is particularly advantageously prevented.
  • a substantially annular element 33 is formed or formed integrally with the valve housing 5 in another embodiment.
  • the ring element 33 has the first valve opening 2.
  • the first valve opening 2 is designed in particular as at least partially conical valve seat for the first closure element 3. Adjacent to the second valve housing space 31 and separated by the first valve opening 2, a third valve housing space 32 is formed.
  • cooling medium such as aqueous cooling liquid or air
  • aqueous cooling liquid or air can enter the third valve housing space 32 through the first valve opening 2 and exit via the radiator connection stub 17 from the radiator connection stub opening 21 in the direction of the first medium exit direction M1A and, for example, not to the heat exchanger (not shown) shown radiator, flow.
  • the first closure element 3 is shown in dashed lines in the closed position 34.
  • the first closure element 3 is cone-shaped. At the cone-shaped portion, a first guide member 9 connects.
  • the first closure element 3 and the first guide element 9 are integrally formed in the illustrated embodiment.
  • the first closure element 3 and the first guide element 9 can be integrally formed, in particular by welding, soldering, gluing etc. and / or in a form-fitting manner.
  • the first guide element 9 is designed essentially as a pin element.
  • the first closure element 3 is cylindrical and has a round or oval or triangular or polygonal cross-sectional area or a cross-sectional area of the combination of the aforementioned forms.
  • a second guide element 25 is arranged on the first guide element 9.
  • the second guide element 25 is shrunk onto the first guide element 9 or, for example, connected to the first guide element 9 by material connection.
  • the second guide element 25 is designed essentially as a cylinder-cone element.
  • the first closure element 3 assumes a first end position when the first guide element 9 contacts the first stop surface 24 of the cylinder housing.
  • the first stop surface 24 may for example be part of a rubber element or other damping element for damping the first guide element 9.
  • the cone element of the second guide element 25 contacts an associated conical surface of the guide counter element 10.
  • the guide counter element 10 has an unspecified bore, which essentially accommodates the first guide element 9. In this way, the first guide element 9 is guided at least in sections in the bore of the guide counter-element 10.
  • the guide counter-element 10 is made in one piece with the valve housing 5 or in another embodiment with the valve housing 5 positively and / or materially connected.
  • a first spring element 11 is arranged between the second guide member 25 and the guide counter-element 10.
  • the first spring element 11 may be formed, for example, as a spiral spring or a leaf spring.
  • the first spring element 11 is further arranged on the first guide element 9. If the first closure element 3 is in particular in the closed position 34, the first spring element 11 is pretensioned such that a spring force acts on the second guide element 25 and also on the guide element 10 in the currentless state of the valve 1, so that the second guide element 25 and the guide counter-element 10 are pressed apart and the first closure element releases the first valve opening.
  • the first guide element 9 and the second guide element 25 are in particular made of a magnetizable material such as metal, in particular iron or aluminum or a steel.
  • a coil 6 or an electromagnet 7 is arranged in the valve housing 5. The coil 6 and the electromagnet 7 are powered by an electrical connection.
  • the first closure element 3 is formed, for example, from a material such as rubber or from another sealing material, so that in the closure position 34 of the first closure element 3 no medium such as cooling medium through the first valve opening 2 in the third valve housing chamber 32 from the second valve housing chamber 31 can occur ,
  • a diaphragm 14 is arranged such that it frees dirt from the first guide member 9 and at the same time the space 32 against a fourth valve housing chamber 35 seals.
  • the electromagnet 7 and the coil 6, the first spring element 11 and the second guide element 2 are arranged in the fourth valve housing space 35.
  • the membrane 14 has an opening substantially corresponding to the cross-sectional area of the first guide element 9.
  • the membrane 14 is formed for example of rubber or other sealing material.
  • the membrane 14 is integrally formed with a first sealing element 22. In another embodiment, the first sealing element 22 and the membrane 14 are not formed in one piece.
  • the first sealing element 22 is formed for example of rubber or other sealing material and prevents medium from the third valve housing chamber 32 enters the fourth valve housing chamber 35 and, for example, the coil 6 or the at least one electromagnet 7 and the electrical connections 13 damages, for example by liquid such as cooling medium or other medium enters the fourth valve housing chamber 35.
  • At least one second sealing element 23 and / or at least one third sealing element 27 likewise prevents, for example, medium, in particular cooling medium, in particular water-containing cooling liquid, from reaching the at least one electromagnet or at least one coil 6 and damaging the same.
  • the valve 1 can take the following positions:
  • the first closure element 3 can be arranged in the closure position 34 and the second closure element 8 can likewise be arranged in the closure position.
  • Medium such as Riehtftüsstechnik then enters through the inflow port 19 via the inflow nozzle 18 in the direction of the media inlet direction ME in the second valve housing chamber 31, but can neither enter the first valve housing chamber 29 in the third valve housing chamber 32.
  • the first medium such as coolant or other cooling medium via the inflow opening 19 in the inflow pipe 18 and thus in the second valve housing chamber 31 and enter via the opened second valve opening 4 enter the first valve housing chamber 29 and enter via the bypass port 20 in the bypass.
  • first closure element 3 Is the first closure element 3 is open, d. H. the first valve opening 2 is opened, and the second closure element 8 is closed, d. H. the second valve opening 4 is closed, so first medium such as coolant or other cooling medium such as air via the inflow port 19 into the inflow port 18 and thus the second valve housing chamber 31 and enter via the first valve opening 2 in the third valve housing chamber 32 and further in enter the radiator connection piece 17 with the radiator connection nozzle opening 21 and flow over the radiator connection nozzle opening 21 to the radiator. No medium can enter the first valve housing space 29.
  • first medium such as coolant or other cooling medium such as air
  • medium such as aqueous coolant or, for example, air or another cooling medium can enter the second valve housing chamber 31 via the inflow port 18 and the inflow port 19 and both enter through the second valve opening 4 in the first valve housing chamber 29 and thus flow to the bypass as well as in the third valve housing chamber 32 and flow through the radiator port 21 to the radiator or to another heat exchanger.
  • the valve for controlling the coolant flow protects the at least one heat exchanger, in particular the heater from overpressure and / or from cavitation at too high a flow of the first medium, in particular cooling medium. Furthermore, the valve for controlling the coolant flow has a differential pressure control function. The valve for controlling the coolant flow furthermore allows, in particular, an unlimited flow through the bypass with first medium, in particular with cooling medium.
  • valve for controlling the flow of coolant allows switching between flow through the bypass and flow through the at least one heat exchanger, in particular the radiator.
  • FIG. 3 shows a system with a valve 1 according to the invention for controlling the coolant flow to a heat exchanger, in particular radiator HK, or likewise for controlling the bypass channel BP.
  • a valve 1 according to the invention for controlling the coolant flow to a heat exchanger, in particular radiator HK, or likewise for controlling the bypass channel BP.
  • Identical features are provided with the same reference numerals as in the previous figures.
  • the system comprises an internal combustion engine M, the valve 1 according to the invention, a pump P for pumping cooling medium, such as a water-containing cooling liquid, and a heat exchanger WT.
  • the system may additionally have a heater SH.
  • the heat exchanger WT is a radiator.
  • the heat exchanger WT is a coolant radiator and / or an exhaust gas cooler and / or a charge air cooler and / or a condenser for an air conditioner and / or a gas cooler for an air conditioner and / or an oil cooler and / or an evaporator for an air conditioning system.
  • a second heat exchanger for cooling the internal combustion engine is arranged. After cooling medium such as water-containing cooling liquid or air has flowed through the second heat exchanger for cooling in the internal combustion engine, the coolant heated in the internal combustion engine M flows to the valve according to the invention 1.
  • a first line section ELA leads from the engine M. Valve 1 and on to pump P. Pump P pumps the coolant through the system.
  • the first line section leads in the illustrated embodiment further to a third heat exchanger SH, in particular to a heater, and then to the heat exchanger WT, in particular to the radiator.
  • the coolant flows through the first line section ELA after flowing through the pump P directly to the first heat exchanger WT, in particular to the radiator.
  • the coolant After flowing through the first heat exchanger WT, in particular the radiator, the coolant flows in a second line section ZLA to the internal combustion engine M, in particular to the second heat exchanger for cooling the internal combustion engine, which is arranged in the internal combustion engine M.
  • the bypass BP opens into the second line section ZLA.
  • the valve for controlling the coolant flow protects the at least one heat exchanger, in particular the heater from overpressure and / or from cavitation at too high a flow of the first medium, in particular cooling medium.
  • the valve for controlling the coolant flow has a differential pressure control function.
  • the valve for controlling the flow of coolant also allows in particular an unlimited flow through the bypass with the first medium, in particular with cooling medium.
  • FIG. 4 shows a system with a valve 1 according to the invention for controlling the coolant inflow.
  • a valve 1 for controlling the coolant inflow.
  • at least one further heat exchanger WT2 in addition to the first heat exchanger WT1, in particular the radiator, at least one further heat exchanger WT2, in particular a coolant radiator and / or an exhaust gas cooler and / or a charge air cooler and / or a condenser for an air conditioner and / or a gas cooler for a Air conditioning and / or an oil cooler and / or an evaporator for air conditioning provided.
EP07012885A 2006-07-17 2007-07-02 Soupape de contrôle du débit de liquide de refroidissement pour le radiateur d'un véhicule et système avec au moins une telle soupape Expired - Fee Related EP1881171B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006033315A DE102006033315A1 (de) 2006-07-17 2006-07-17 Ventil zur Steuerung eines Kühlmittelstroms für einen Heizkörper eines Kraftfahrzeuges, System mit zumindest einem Ventil

Publications (2)

Publication Number Publication Date
EP1881171A1 true EP1881171A1 (fr) 2008-01-23
EP1881171B1 EP1881171B1 (fr) 2011-02-23

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EP07012885A Expired - Fee Related EP1881171B1 (fr) 2006-07-17 2007-07-02 Soupape de contrôle du débit de liquide de refroidissement pour le radiateur d'un véhicule et système avec au moins une telle soupape

Country Status (3)

Country Link
US (1) US20080017353A1 (fr)
EP (1) EP1881171B1 (fr)
DE (2) DE102006033315A1 (fr)

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DE102008029706A1 (de) 2008-06-24 2009-12-31 Murrplastik Systemtechnik Gmbh Ventil zur Steuerung eines Fluidstroms in einer Kraftfahrzeug-Heizungs- und/oder Klimaanlage
EP2262990A1 (fr) * 2008-03-06 2010-12-22 Scania CV AB Dispositif pour moteur a combustion interne suralimente
CN102705060A (zh) * 2012-06-25 2012-10-03 曲阜天博汽车零部件制造有限公司 伺服式调温器
CN103748333A (zh) * 2011-11-04 2014-04-23 爱信精机株式会社 车辆用冷却液控制阀
WO2016181052A1 (fr) * 2015-05-13 2016-11-17 Peugeot Citroen Automobiles Sa Boitier de sortie de fluide de refroidissement d'un moteur

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JP5742174B2 (ja) * 2009-12-09 2015-07-01 ソニー株式会社 熱電発電装置、熱電発電方法及び電気信号検出方法
DE102013010781A1 (de) * 2013-06-28 2014-12-31 Mann + Hummel Gmbh Thermostat eines Fluidsystems
CN204756101U (zh) * 2015-06-05 2015-11-11 厦门科际精密器材有限公司 电磁阀
CN112334639B (zh) * 2018-07-05 2022-08-05 日立安斯泰莫株式会社 控制阀、流量控制阀以及两部件的连接构造
DE102018120858A1 (de) * 2018-08-27 2020-02-27 Schaeffler Technologies AG & Co. KG Steuerventil für ein Wärmemanagementmodul
WO2024047274A1 (fr) * 2022-09-02 2024-03-07 Wärtsilä Finland Oy Système de refroidissement pour moteur à combustion interne et moteur à piston

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DE102006033315A1 (de) 2008-01-24
US20080017353A1 (en) 2008-01-24

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