CN106460680A - Fluid flow valve - Google Patents

Fluid flow valve Download PDF

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Publication number
CN106460680A
CN106460680A CN201580032961.3A CN201580032961A CN106460680A CN 106460680 A CN106460680 A CN 106460680A CN 201580032961 A CN201580032961 A CN 201580032961A CN 106460680 A CN106460680 A CN 106460680A
Authority
CN
China
Prior art keywords
valve
spring
actuator
described spring
valve according
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
CN201580032961.3A
Other languages
Chinese (zh)
Other versions
CN106460680B (en
Inventor
M.桑切斯
G.达沃尔特
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
Original Assignee
Valeo Systemes de Controle Moteur 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.)
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Publication of CN106460680A publication Critical patent/CN106460680A/en
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Publication of CN106460680B publication Critical patent/CN106460680B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/107—Manufacturing or mounting details
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/53—Systems for actuating EGR valves using electric actuators, e.g. solenoids
    • F02M26/54—Rotary actuators, e.g. step motors
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/70—Flap valves; Rotary valves; Sliding valves; Resilient 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/72—Housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to a fluid flow valve comprising a body having a pipe through which the fluid flows, a flap for sealing the pipe, an actuator of the flap, the actuator being freely rotatable and comprising a torsion spring (42), and a member for rotating the actuator, characterised in that the valve includes means (424) for positioning the spring (42).

Description

Fluid flowing valve
Technical field
The present invention relates to the field of fluid flowing valve, it is more particularly related to one kind is included with back-moving spring The automobile-use of actuator fluid flowing valve.
Background technology
This valve is more particularly intended to the air inlet meter as explosive motor (either gasoline or diesel internal combustion engine) The application of amount valve.This valve is also applied to as exhaust gas recirculation valve or EGR (i.e. " the Exhaust Gaz of english term Recirculation ") valve.The other application of the valve according to the present invention is also feasible, and without departing from the scope of the present invention.
The known actuator (actuator of such as fluid flowing valve) according to reciprocal movement student movement row.These actuators or control Axle processed is by the torsionspring being connected with sector gear or gear with acting on the element returning to its equilbrium position.This spring includes The standing part of backstop and the moving part being connected with sector gear or gear in slit or on post portion (un plot).
Generally, these actuators or control shaft are disposed in complex environment or restricted clearance, for example, such as in application In the main body of the valve being disposed in motor vehicles described in FR2992046.
One defect of the type device comes from has the many of the backstop action playing standing part in this environment Individual element.The standing part of spring is thus without on stop part or in the slit initially arranging for retaining spring well Middle backstop.The good location of spring for guaranteeing that good correction angle is important, therefore for the motion for actuator The good reseting torque of the reset learned is important.Bad positioning therefore affects reseting torque, this reseting torque being affected Not for another example its should as effectively.
Content of the invention
For this reason, the present invention proposes a kind of fluid flowing valve, it includes main body, the pipeline with the pipeline passing through for fluid Blocking valve, the actuator of valve and the drive member for driving actuator rotation, this actuator rotation freedom simultaneously wraps Include torsionspring, this valve includes the positioning devices making spring position.
Thus, the present invention has the advantages that to allow spring is directed to up to such operating position：In this operating position In, the first end (therefore spring) of spring allows the optimum operation of valve.
According to an embodiment of the invention, positioning devices are formed by ramp, and this ramp allows the of spring One end is directed to up to its operating position.
According to an embodiment of the invention, ramp is formed by slide rail or groove.
According to an embodiment of the invention, the positioning devices of the first end of spring are quilts in the casting of valve body Scrape out.
According to an embodiment of the invention, the positioning devices of the first end of spring are suitable to the first end of spring Size.
According to an embodiment of the invention, the footpath of the positioning devices of the first end of the spring first end in spring Unlimited at stop part to stopping.
According to an embodiment of the invention, the positioning devices of the first end of spring are completely about layout of spring.
According to an embodiment of the invention, the width of the positioning devices of the first end of spring is incrementally decreased, directly Stop stop part to radial direction.
The invention still further relates to a kind of motor vehicles, this motor vehicles includes the valve according to the present invention.
Brief description
By reading the explanation done referring to the accompanying drawing exemplarily providing, other purposes of the present invention, feature and Advantage will be better understood when and more clearly manifests, in the accompanying drawings：
Fig. 1 is the axial sectional view of an embodiment of the fluid flowing valve meeting the present invention；
Fig. 2 is the perspective view of the actuator of this valve according to the present invention；
Fig. 3 is the view of the local of this valve according to the present invention；
Fig. 4 is the view of the positioning devices of the spring of this valve according to the present invention.
Specific embodiment
As shown in figure 1, the present invention relates to a kind of valve with actuator, this valve includes the locator for making spring position Part.This actuator is also referred to as control shaft.
According to an embodiment, this actuator is the actuator of fluid flowing valve, in particular for motor vehicles.More smart Really, this valve is the valve for adjusting Thermal Motor charge flow rate, in particular for the metering valve of Diesel engine.
According to an embodiment of the invention, this actuator is for example by metal, be especially made of stainless steel.
This valve is valve well-known to those skilled in the art, for example the valve described in patent application FR2992046.
Especially, valve includes main body 2, is internally provided with, in this main body 2, the circulation duct 3 passing through for fluid.At this In, main body 2 is intended to be installed on the admission line of engine by connector, so that flowing into the part gas in this branch Body passes through pipeline and is guided to engine to participate in burning.Connector and admission line are known per se, and are not illustrated.
Receiving in the main body 2 of valve 1 has together with valve 5 and rotates free actuator 4, this valve 5 and actuator 4 Knot, as shown in the arrow 20 being rotated by the longitudinal axis A around actuator 4, this valve 5 allows the angle position according to actuator 4 Put and blocking pipeline 3.
According to an embodiment of the invention, it (is, for example, screw-nut here that actuator 4 passes through fixing component 14 System or other) it is rotatably connected to blocking valve 5, this allows valve can rotate between two extreme positions together with axle. (as shown in Figure 1) enables flow through for one of fully open position, and another location (not shown) then stops it from passing through, valve The then side wall of breasting pipeline 3.
According to an embodiment of the invention, valve includes the connection pivoting between described main body 2 and described actuator 4 Device 6,7.
Actuator 4 is thus, it is possible to the slip adjustment by being arranged between axle and interface unit around axis A freely Pivot.
The external open being referred to as the end of upper end 12 towards the main body 2 of valve 1 of actuator, to be connected to described control The drive member 21 of the rotation of axle 4.
As shown in Fig. 2 according to an embodiment of the invention, drive member 21 is, for example, sector gear 22, this sector Gear 22 includes the middle body 24 being centered on actuator 4 and radial projection 26, and this radial projection 26 forms slightly big Angle in the angular travel of valve is fan-shaped and is provided with engaging tooth 28.
If referring again to Fig. 1, can observe that sector gear 22 is rotatably connected to respect to main body 2 here around hinge The reversing wheel 30 that spindle line 32 rotates freely through, described hinge axes 32 are parallel with the longitudinal axis A of control shaft 4.
According to an embodiment of the invention, valve includes electric notor (not shown), especially stepping motors.This electric horse Reach on the gear wheel 36 being engaged on reversing wheel 30, and sector gear 22 is then engaged in the little gear 37 of this reversing wheel 30.Motor Actuating so drive reversing wheel 30 to rotate, this reversing wheel 30 drive in turn sector gear 22 rotation and therefore pass through control Axle 4 drives valve 5 to rotate.
According to an embodiment of the invention, drive member 21, breast wheel 30 and/or described motor are positioned in valve In the holding part 38 closed by cover piece 40.
According to an embodiment of the invention, valve includes allowing valve 5 to be positioned at position of rest (this position is here Open position) at least one of torsionspring 42.Position of rest refers to the location when the motor of valve does not activated.As Shown in Fig. 3, first end 421 breasting of spring 42 on the body 2, at the slit 46 shown in Fig. 2 for the second end 422 of spring Bear against in drive member 21.Spring 42 is especially felt relieved on a longitudinal axis a.
Thus, as shown in figure 1, slit 46 receives the second end 422 of spring 42.Slit 46 extends axially through drive member 21 wall 50.Slit 46 is for example along the fan-shaped orientation in the angle on the longitudinal axis A being centered in actuator 4.Slit 46 thus limits The attached position of spring 42.
The first end 421 of spring 42 thus bears against in the main body 2 of valve.With the second end being driven by drive member 21 422 relatively, and this first end 421 is also referred to as anchor portion.In fact, this first end 421 of spring 42 is not driven Component 21 drives rotation.
The radial direction that the first end 421 of spring 42 bears against main body 2 stops on device.
According to an embodiment of the invention, this stopping device 423 is the stop part of such as post portion (un plot), bullet The first end 421 of spring 42 backstop against this stop part.
According to another embodiment of the present invention, this stopping device 423 is slit (not shown), the first end of spring 42 421 insert in this slit.
So that the first end 421 of spring 42 is in correct position, regardless of whether it is initial when installing valve Position how, includes the positioning devices 424 making spring positioning shown in Fig. 4 according to the valve of the present invention.
More accurately, these devices 424 allow the first end 421 of spring 42 is directed to up to its operating position.
" operating position " refers to such position：In this position, the first end 421 (therefore spring 42) of spring 42 allows The operation of valve is optimal.As it was previously stated, the good location of spring is for guaranteeing that good correction angle is important, therefore right It is important in the good reseting torque of the kinematic reset for actuator.Bad positioning therefore affects reseting torque, The reseting torque that this is affected not for another example its should as effectively.Thus, when the first end 421 of spring 42 is correct During ground positioning, spring 42 plays its effect for drive member 21 by making drive member 21 be back in position of rest.
According to an embodiment of the invention, positioning devices 424 are by the ramp shape scraping out in the casting of valve body 2 Become.More specifically, this ramp is to be formed by slide rail or groove.
The size of the first end 421 being shaped to spring 42 of ramp 424.Ramp 424 thus allows spring First end 421 is sliding or slides into until making the stop part that it stops.
Spring is directed to until stopping stop part by ramp 424.Ramp 424 thus is stopping opening wide at stop part.
According to an embodiment of the invention, ramp 424 is arranged completely about spring 42.
According to an embodiment of the invention, the width of ramp 424 is incrementally decreased, until stopping stop part.This A little positioning devices 424 are that the end of spring ensure that the directapath until stop part, and this stop part allows to position well bullet Spring 42.The extra stop part that can interfere with its good location is thus no longer existed on the path of the first end 421 of spring 42.
According to an embodiment of the invention, valve includes sensor target 66.This sensor target is e.g. in application Flat magnet described in FR2992046.
Such valve more specifically to entering as explosive motor (either gasoline or diesel internal combustion engine) Gas metering valve.This valve also is used as exhaust gas recirculation valve, i.e. EGR (i.e. " the Exhaust Gaz of english term Recirculation ") valve application.The other application meeting the valve of the present invention is also feasible, and the model without departing from the present invention Enclose.
The scope of the present invention is not limited to details provided above, and allows the embodiment in multiple other concrete forms, And the not application away from the present invention, existing embodiment should be considered to be exemplary, and can be modified, and not surpass Go out scope defined by the claims.

Claims (9)

1. a kind of fluid flowing valve, including having the main body (2) of the pipeline (3) passing through for described fluid, described pipeline (3) Blocking valve (5), the actuator (4) of described valve (5) and be used for the drive member driving described actuator (4) to rotate (21), described actuator rotates freedom and includes torsionspring, and this valve is characterised by, this valve includes making described spring (42) fixed The positioning devices (424) of position.
2. valve according to claim 1, wherein, described positioning devices (424) are formed by ramp (424), this ramp (424) allow first end (421) guiding of described spring (42) up to its operating position.
3. valve according to claim 2, wherein, described ramp (424) is formed by slide rail or groove.
4. valve according to any one of claim 1 to 3, wherein, what the first end for making described spring positioned determines Position device (424) is to be dug in the casting of the described main body (2) of described valve.
5. valve according to any one of claim 1 to 4, wherein, the institute that the first end for making described spring positions State the size that positioning devices (424) are suitable to the described first end (421) of described spring (42).
6. valve according to any one of claim 1 to 5, wherein, what the first end for making described spring positioned determines The radial direction of the first end (421) in described spring (42) for position device (424) stops stop part (423) place and opens wide.
7. valve according to any one of claim 1 to 6, wherein, what the first end for making described spring positioned determines Position device (424) is arranged completely about described spring (42).
8. valve according to any one of claim 1 to 7, wherein, what the first end for making described spring positioned determines The width of position device (424) is incrementally decreased, until described radial direction stops stop part (423).
9. a kind of motor vehicles, it includes valve according to any one of claim 1 to 8.
CN201580032961.3A 2014-04-22 2015-04-22 Fluid circulation valve Active CN106460680B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1453603A FR3020110B1 (en) 2014-04-22 2014-04-22 FLUID CIRCULATION VALVE
FR1453603 2014-04-22
PCT/FR2015/051094 WO2015162380A1 (en) 2014-04-22 2015-04-22 Fluid flow valve

Publications (2)

Publication Number Publication Date
CN106460680A true CN106460680A (en) 2017-02-22
CN106460680B CN106460680B (en) 2020-11-03

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ID=50933406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580032961.3A Active CN106460680B (en) 2014-04-22 2015-04-22 Fluid circulation valve

Country Status (4)

Country Link
EP (1) EP3134630B1 (en)
CN (1) CN106460680B (en)
FR (1) FR3020110B1 (en)
WO (1) WO2015162380A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248272A (en) * 1990-09-28 1992-04-01 Weber Srl Mounting throttle valve biasing springs
US6364287B1 (en) * 2000-08-07 2002-04-02 Visteon Global Technologies, Inc. Electronic throttle return spring assembly
US20090126356A1 (en) * 2007-11-21 2009-05-21 Kwin Abram Offset passive valve for vehicle exhaust system
EP2562449A1 (en) * 2011-08-25 2013-02-27 Valeo Systèmes de Contrôle Moteur Fluid circulation valve having an axial return spring
FR2992046A1 (en) * 2012-06-15 2013-12-20 Valeo Sys Controle Moteur Sas Fluid flow valve i.e. exhaust gas recirculation valve for diesel engine of car, has control shaft for controlling flap for closing conduit, and drive element for rotating control shaft, where drive element is molded onto control shaft

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248272A (en) * 1990-09-28 1992-04-01 Weber Srl Mounting throttle valve biasing springs
US6364287B1 (en) * 2000-08-07 2002-04-02 Visteon Global Technologies, Inc. Electronic throttle return spring assembly
US20090126356A1 (en) * 2007-11-21 2009-05-21 Kwin Abram Offset passive valve for vehicle exhaust system
EP2562449A1 (en) * 2011-08-25 2013-02-27 Valeo Systèmes de Contrôle Moteur Fluid circulation valve having an axial return spring
FR2992046A1 (en) * 2012-06-15 2013-12-20 Valeo Sys Controle Moteur Sas Fluid flow valve i.e. exhaust gas recirculation valve for diesel engine of car, has control shaft for controlling flap for closing conduit, and drive element for rotating control shaft, where drive element is molded onto control shaft

Also Published As

Publication number Publication date
WO2015162380A1 (en) 2015-10-29
CN106460680B (en) 2020-11-03
FR3020110A1 (en) 2015-10-23
EP3134630A1 (en) 2017-03-01
EP3134630B1 (en) 2022-11-23
FR3020110B1 (en) 2017-08-18

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