EP3811387B1 - Elektromagnetische vorrichtung mit einem in einem zwischengehäuse angeordneten dampfauslasskanal - Google Patents

Elektromagnetische vorrichtung mit einem in einem zwischengehäuse angeordneten dampfauslasskanal Download PDF

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Publication number
EP3811387B1
EP3811387B1 EP19735503.5A EP19735503A EP3811387B1 EP 3811387 B1 EP3811387 B1 EP 3811387B1 EP 19735503 A EP19735503 A EP 19735503A EP 3811387 B1 EP3811387 B1 EP 3811387B1
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EP
European Patent Office
Prior art keywords
electromagnetic device
electromagnetic
fuel vapor
vapor outlet
casing
Prior art date
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Application number
EP19735503.5A
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English (en)
French (fr)
Other versions
EP3811387A1 (de
Inventor
Renaud CHAM
Luis Amaya
Rajendran VELLAYAGOUNDER
Vincent ANDRIEU
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.)
Valeo Systemes de Controle Moteur SAS
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Valeo Systemes de Controle Moteur SAS
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/089—Layout of the fuel vapour installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/48—Filters structurally associated with fuel valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M2025/0845—Electromagnetic valves

Definitions

  • the present invention relates to electromagnetic devices comprising a coil and an element movable under the effect of the magnetic field of the coil, and more particularly an electromagnetic device integrating connection means.
  • electromagnetic devices comprising a coil and an element movable under the effect of the magnetic field of the coil, and more particularly an electromagnetic device integrating connection means.
  • Such devices are known from the documents: US2006243939A1 , US 2012/318243 A1 , DE 10 2004 006874 A1 And US 2008/000456 A1 .
  • Thermal engine vehicles are conventionally equipped with an activated carbon filter called a canister which absorbs and retains fuel vapors coming from the tank.
  • the canister is connected to the engine intake via a purge solenoid valve which is closed when the engine is stopped and which opens to allow the canister to be purged when the engine is running. The excess vapors in the tank are thus evacuated towards the engine where they are burned. Activation of the canister purge valve depends on the manufacturer's purge cycles.
  • the intermediate housing is arranged in the extension of the first housing.
  • the fuel vapor outlet conduit extends inside the intermediate housing and opens outside the conduit through a side different from that where it enters the intermediate housing.
  • the fuel vapor outlet conduit is divided into two conduits.
  • the device comprises at least one additional element connected to one end of the conduit.
  • the device comprises two safety valves.
  • the device comprises a filter placed on the path of the fuel vapors upstream of the electromagnetic system.
  • the two conduits form an angle of 90° with each other or an angle less than 90°.
  • the invention also relates to the use of the device according to the invention in a motor vehicle.
  • the present invention relates to an electromechanical device 10, and more particularly a canister purge solenoid valve 10 comprising at least one fuel vapor outlet conduit, with a connector, integrated into a solenoid valve housing.
  • the objective of this integration is to allow connection with at least one other element such as a valve, or a sensor, or another element, without additional connection, and thus without additional emissions.
  • the device 10 according to the invention, illustrated figure 1 , comprises a fuel vapor inlet conduit 20 connected to a fuel vapor circulation conduit arriving from a fuel tank, and a fuel vapor outlet conduit 30.
  • the device 10 comprises at least one connector 50 for its electrical connection.
  • the materials of the device 10 are chosen to resist hydrocarbon vapors, in particular gasoline.
  • a first housing 61 of the device 10 internally houses an electromagnetic system 60.
  • the latter comprises a fixed core 62, tubular with axis X, made of a soft ferromagnetic material such as for example iron or ferromagnetic steel.
  • the electromagnetic system 60 comprises a coil 63 which extends around the fixed core 62 to generate a magnetic field within it when it is electrically powered.
  • the coil 63 is for example made of insulated copper wire, in particular enameled.
  • the system also comprises an element movable along the axis X axis inside the fixed core 62.
  • the plunger core 70 is inside the fixed core, in the example considered, and the flow, which is preferably gaseous (fuel vapors in this case), takes place in contact with it when it is open.
  • the plunger core 70 is made of a soft magnetic material, which loses its magnetization when the magnetic field of the coil ceases, as does the fixed core 62.
  • the plunger core 70 bears against a valve seat provided with an orifice 23 through which fuel vapors circulate when the device is open.
  • a return spring 80 ensures the return of the plunger core 70 to its rest position, closing the outlet conduit, in the absence of electrical power to the solenoid valve.
  • the inlet conduit 20 comprises an inlet opening 21 through which the fuel vapors arrive and an outlet opening 21 through which the fuel vapors are evacuated, upstream of the orifice 23 of the valve seat.
  • the electromagnetic system 60 is extended by the fuel vapor outlet conduit 30.
  • This conduit has a nozzle at its base. This nozzle serves to optimize the flow and flow of fuel vapors evacuated. It is therefore the nozzle which extends in the form of the fuel vapor outlet conduit 30.
  • the fuel vapor outlet conduit 30 is arranged in an intermediate housing 71.
  • This intermediate housing 71 is arranged in the extension of the first housing 61.
  • the intermediate housing 71 is fixed to the first housing 61.
  • the fixing is carried out by bonding welding or any means compatible with the use of the device.
  • the fuel vapor outlet conduit 30 extends inside the intermediate housing 71 and opens outside the conduit through a face 710 different from that 711 where it enters the intermediate housing 71. According to one embodiment of the invention, it opens outside the conduit via a face 710 opposite that 711 where it enters the intermediate housing 71. According to another embodiment of the invention, it opens outside the conduit via a face adjacent to that 711 where it enters the intermediate housing 71.
  • the term penetrate here describes the end of the conduit 30 which is in contact with the electromagnetic system 60 of the conduit 30, and which is therefore located in the intermediate housing 71.
  • the fuel vapor outlet conduit 30 comprises a branch 40. More precisely, the fuel vapor outlet conduit 30 is divided into two conduits 40, 300. The second conduit 40 opens onto a faces adjacent to one of the two inlet 711 and outlet 710 faces for the fuel vapor outlet.
  • the intermediate housing 71 has a single opening.
  • openings 720, 420 thus each allow the connection of an additional element 90.
  • the intermediate box 71 thus allows the support of the conduits 30, 40 and the associated connections 90.
  • this additional element 90 is a safety valve illustrated figures 1 to 3 .
  • the device 10 comprises two illustrated safety valves figures 1 and 2a, 2b .
  • this additional element 90 is a visible connector, figures 2a and 2b , for any other element compatible with the device.
  • the two conduits 40 and 300 are arranged perpendicular to each other. More precisely, they form an angle ⁇ of 90° or different from 90° with each other.
  • the two conduits are arranged so as to form an angle ⁇ ' less than 90°. Such a configuration allows for better throughput.
  • the angle ⁇ , ⁇ ' being the angle formed by the two conduits 300, 40 coming from the fuel vapor outlet conduit 30.
  • additional element 90 when additional element 90 is a safety valve, it comprises a visible diaphragm 91 figure 2 a and 2b.
  • THE diaphragm is configured so as to be held in place in the body 94 of the valve during assembly of the safety valve 90.
  • the diaphragm 91 comprises a recess 92 cooperating with a lug 95 formed in the body of the valve. The diaphragm is thus blocked during assembly.
  • the end 93 of the diaphragm has a diameter greater than the diameter of the piston 91. The diaphragm can thus no longer move, within the movement necessary for its operation, when it is housed in the body 94 of the safety valve 90.
  • the fuel vapors circulating in the device 10 are loaded with particles.
  • the device 10 comprises a circular filter 100.
  • the filter 100 is disposed on the path of the fuel vapors upstream of the plunger core 70. More precisely, the filter 100 is disposed at the opening 21 of the inlet conduit 20 and before the plunger core and the orifice 23 of the valve seat.
  • Such a circular filter makes it possible to block particles directly at the outlet of the fuel vapor inlet conduit 20 and allows particle-free circulation of fuel vapors all around the electromagnetic system 60.
  • the filter is an anti-particle filter making it possible to filter particles whose size is greater than or equal to 50 ⁇ m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (8)

  1. Elektromagnetische Vorrichtung (10), umfassend:
    - ein elektromagnetisches System (60), das eine Spule (63) umfasst, die sich um einen feststehenden Kern (62) herum erstreckt, um in ihrem Inneren ein Magnetfeld zu erzeugen, wenn sie elektrisch versorgt wird,
    - ein Element, das unter der Wirkung des von der Spule (63) erzeugten Magnetfelds verlagerbar ist, wobei dieses mobile Element in Form eines Tauchkerns vorliegt,
    - einen Auslasskanal (30) für Kraftstoffdämpfe, der das elektromagnetische System (60) verlängert und in einem Zwischengehäuse (71) angeordnet ist,
    - eine erstes Gehäuse (61), in dem das elektromagnetische System (60) angeordnet ist, dadurch gekennzeichnet, dass es einen runden Filter (100) umfasst, der auf dem Weg der Kraftstoffdämpfe an einer Öffnung (21) eines Einlasskanals (20) stromauf des elektromagnetischen Systems (60) angeordnet ist.
  2. Elektromagnetische Vorrichtung (10) nach Anspruch 1, bei der das Zwischengehäuse (71) in der Verlängerung des ersten Gehäuses (61) angeordnet ist.
  3. Elektromagnetische Vorrichtung (10) nach einem der Ansprüche 1 oder 2, bei welcher der Auslasskanal (30) für Kraftstoffdämpfe sich in das Innere des Zwischengehäuses (71) verlängert und an der Außenseite des Gehäuses an einer Seite (710) mündet, die verschieden von derjenigen (711) ist, an der er in das Zwischengehäuse (71) eindringt.
  4. Elektromagnetische Vorrichtung (10) nach einem der Ansprüche 1 bis 3, bei welcher der Auslasskanal (30) für Kraftstoffdämpfe sich in zwei Kanäle (40, 300) teilt.
  5. Elektromagnetische Vorrichtung (10) nach einem der Ansprüche 1 bis 4, die mindestens ein zusätzliches Element (90) umfasst, das an ein Ende des Kanals (40, 30) angeschlossen ist.
  6. Elektromagnetische Vorrichtung (10) nach einem der Ansprüche 1 bis 5, die zwei Sicherheitsventile (90) umfasst.
  7. Elektromagnetische (10) Vorrichtung nach einem der Ansprüche 4 und 5 bis 6, wenn sie von Anspruch 4 abhängig sind, bei der die beiden Kanäle (40) und (30) miteinander einen Winkel von 90° oder einen Winkel von weniger als 90° bilden.
  8. Verwendung der Vorrichtung (10) nach einem der Ansprüche 1 bis 7 in einem Kraftfahrzeug.
EP19735503.5A 2018-06-22 2019-06-21 Elektromagnetische vorrichtung mit einem in einem zwischengehäuse angeordneten dampfauslasskanal Active EP3811387B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855587A FR3082992B1 (fr) 2018-06-22 2018-06-22 Dispositif electromagnetique comportant un conduit de sortie de vapeur dispose dans un boitier intermediaire
PCT/EP2019/066540 WO2019243611A1 (fr) 2018-06-22 2019-06-21 Dispositif electromagnetique comportant un conduit de sortie de vapeur dispose dans un boitier intermediaire

Publications (2)

Publication Number Publication Date
EP3811387A1 EP3811387A1 (de) 2021-04-28
EP3811387B1 true EP3811387B1 (de) 2024-04-10

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Application Number Title Priority Date Filing Date
EP19735503.5A Active EP3811387B1 (de) 2018-06-22 2019-06-21 Elektromagnetische vorrichtung mit einem in einem zwischengehäuse angeordneten dampfauslasskanal

Country Status (5)

Country Link
US (1) US11339746B2 (de)
EP (1) EP3811387B1 (de)
CN (1) CN112424890B (de)
FR (1) FR3082992B1 (de)
WO (1) WO2019243611A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3117551A1 (fr) * 2020-12-10 2022-06-17 Valeo Systemes De Controle Moteur Dispositif electromagnetique comportant un filtre pour vapeur de carburant
WO2022258636A1 (en) 2021-06-09 2022-12-15 Valeo Systemes De Controle Moteur Assembly with a bobbin and a coil for an electromagnetic actuator

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1102236A (zh) * 1993-11-01 1995-05-03 摩根·P·里德 减少燃烧废气排放的装置
DE102004006874A1 (de) * 2004-02-12 2005-09-01 Robert Bosch Gmbh Vorrichtung zum dosierten Zumischen von verflüchtigtem Kraftstoff in ein Ansaugrohr einer Brennkraftmaschine
CN101208508A (zh) * 2004-03-04 2008-06-25 泛特宁有限责任公司 用于内燃机的燃料蒸气系统
TWI295336B (en) * 2004-09-13 2008-04-01 Guk Hyun Park Fuel injection system
FR2894315B1 (fr) * 2005-12-02 2008-02-15 Valeo Sys Controle Moteur Sas Vanne comportant des moyens d'actionnement entre deux conduits de sortie.
US20080000456A1 (en) * 2006-06-30 2008-01-03 Siemens Canada Limited Cost-optimized canister purge valve
FR2908833B1 (fr) * 2006-11-20 2011-06-17 Valeo Sys Controle Moteur Sas Dispositif d'admission de gaz
CN101334157B (zh) * 2007-06-28 2011-12-07 广州市立本电器有限公司 电加热蒸汽发生器
CN101251066B (zh) * 2008-04-17 2010-09-01 浙江飞亚电子有限公司 一种电子燃油喷射装置
US8460422B2 (en) * 2010-09-17 2013-06-11 Caterpillar Inc. Exhaust aftertreatment system, and engine service package having fuel filtering mechanism
WO2012174347A1 (en) * 2011-06-16 2012-12-20 Continental Automotive Systems, Inc. Canister purge valve with modular lower body having integeral check valves
FR2995719B1 (fr) * 2012-09-20 2018-04-27 Valeo Systemes De Controle Moteur Actionneur de volet d'un circuit d'air de moteur thermique
US9360125B2 (en) * 2013-04-23 2016-06-07 Continental Automotive Systems, Inc. Turbo purge valve-check valve OBD vacuum relief
US10253900B2 (en) * 2014-05-27 2019-04-09 Continental Automotive Systems, Inc. Latching valve assembly having position sensing
CN105508085B (zh) * 2016-01-19 2018-02-09 河北亚大汽车塑料制品有限公司 燃油蒸汽文氏阀及燃油蒸汽排放控制系统
CN205850458U (zh) * 2016-07-02 2017-01-04 华东交通大学 新型空气过滤器

Also Published As

Publication number Publication date
US11339746B2 (en) 2022-05-24
WO2019243611A1 (fr) 2019-12-26
EP3811387A1 (de) 2021-04-28
US20210270214A1 (en) 2021-09-02
CN112424890B (zh) 2023-08-01
FR3082992A1 (fr) 2019-12-27
FR3082992B1 (fr) 2023-06-30
CN112424890A (zh) 2021-02-26

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