EP1288447A2 - Ensemble de ressort de soupape, coupelle de ressort de soupape et méthode d'assemblage d'ensemble de ressort de soupape - Google Patents

Ensemble de ressort de soupape, coupelle de ressort de soupape et méthode d'assemblage d'ensemble de ressort de soupape Download PDF

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Publication number
EP1288447A2
EP1288447A2 EP02017051A EP02017051A EP1288447A2 EP 1288447 A2 EP1288447 A2 EP 1288447A2 EP 02017051 A EP02017051 A EP 02017051A EP 02017051 A EP02017051 A EP 02017051A EP 1288447 A2 EP1288447 A2 EP 1288447A2
Authority
EP
European Patent Office
Prior art keywords
valve spring
valve
spring plate
spring assembly
valve stem
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
EP02017051A
Other languages
German (de)
English (en)
Other versions
EP1288447A3 (fr
EP1288447B1 (fr
Inventor
Julie Creissel
Max Paty
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP1288447A2 publication Critical patent/EP1288447A2/fr
Publication of EP1288447A3 publication Critical patent/EP1288447A3/fr
Application granted granted Critical
Publication of EP1288447B1 publication Critical patent/EP1288447B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L1/462—Valve return spring arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/10—Connecting springs to valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials

Definitions

  • the invention relates to a valve spring assembly with a Valve spring plate, a valve spring and a Securing means, wherein the valve spring plate at least partially formed in the manner of a cuff and the securing agent inside this cuff at least one securing element can be held, a Valve spring plate and a method for assembling a Valve spring assembly.
  • Valve spring plates mounted on a valve stem can be and on which a valve spring is supported.
  • Valve spring plate is replaced by securing means on the Valve stem held, for example, in the manner of Clamp cones or also formed by circlips, etc. could be.
  • DE-A1-44 21 408 shows a valve spring assembly with a cuff-shaped valve spring plate and one acting on an edge region of the valve spring plate Valve spring, which on a shaft of a valve Internal combustion engine can be attached.
  • Valve spring assembly or the valve spring plate on the Set valve stem includes the valve spring assembly Fuse element formed by clamping cone halves becomes.
  • At the valve spring plate are holding lugs or tabs provided that the fuse element in an interior of the Secure valve spring plate against losing.
  • Such a valve spring assembly comprises several components, preferably at least one valve spring plate and a Securing element, in the manner of a pre-assembly unit, wherein the valve spring plate also in the manner of a Valve rotating device (Rotocap) can be executed.
  • these components can be used in a single operation or mounted together on a valve stem and in the same way in turn, be easily removed from this. It is not necessary, for example, first the valve spring plate to put on, then install the fuse element and this following, for example, by a positive or even a positive connection on the valve stem to to back up. Instead, the valve spring assembly on the Valve stem placed and guided along this, until the fuse element a positive / non-positive connection enters with the valve stem.
  • valve stem secured valve spring plate is replaced by a valve spring burdened previously or together with the Valve spring assembly mounted on the valve stem was / will, so he is in the direction of the fuse element moved and through this on the valve stem at least in axial direction can be secured.
  • Valve spring assembly and the valve spring plate to dismantle this can be so against the effect of Valve spring are loaded, that the securing element from the Cuff exits and disassembly, for example, under Use of tools, such as a screwdriver, accessible becomes.
  • the securing means hinge and / or form spring-like, so it depends on his Load can fold to prevent the leakage To allow securing element from the cuff.
  • it is at least partially elastic educated. This can be done easily and inexpensively For example, at least partially elastic plastic or Rubber elements are realized.
  • the securing means can be detachable, for example as a with the valve spring plate jammed or otherwise secured Be provided component.
  • the Securing means to the valve spring plate for example in the Type of elastic sheet, etc. molded or with this undetachably connected, for example glued, welded or similar. is.
  • the securing means can be formed in one piece or in several parts be. Preferably, it is in the nature of one or more provided on the inside of the cuff and inwards protruding lip (s) formed. Such a lip can in particular in an elastic embodiment of the Securing means in a groove, preferably on the inside the cuff be held by a clamp connection.
  • Valve spring plate A simple way of interacting Valve spring plate with the fuse element results when the valve spring retainer has a contact area which coincides with the Can fuse element cooperate such that the Valve spring plate at least at an axial movement (in a Direction) is prevented.
  • the investment area formed by a shoulder for example, by it that can result in a cross-sectional change of the cuff is provided. But it is also a gradual transition or a lead possible.
  • valve spring plate not directly with a valve spring cooperates, but other components arranged between the valve spring and the valve spring plate are. But it is simple in the execution, if the Valve spring plate a support area for the valve spring to Provides. This is preferably in a peripheral area of the valve spring plate is arranged or by such formed as the valve spring usually as a Coil spring is executed, through which a valve stem can extend.
  • valve spring plate means for preferably areawise determination of the valve spring, so is the Valve spring integrated into the valve spring assembly, that they share with this, especially with the Valve spring plate and the securing means to be mounted can.
  • These agents are preferably by at least one in Direction of the valve spring open, hook-like element formed or they have such a, so that the Valve spring or a valve spring plate facing End of the same taken by this and / or with this can be connected in the manner of a clamp connection. But it is also conceivable that a connection through others Fuse elements or even inseparable, for example, by welding, soldering or the like, is provided.
  • the fuse element can be simpler and cheaper Way through a conventional circlip but also by lock washers or snap rings or equivalent Components are formed, which preferably with a can cooperate circumferential groove in the valve stem. But also the use of clamping cones or split clamping cones is possible.
  • valve spring assembly a Valve stem seal, which preferably with the Valve spring plate can cooperate in such a way that they this is releasably fixed. In this way, the Valve stem seal along with the valve spring assembly to be assembled. Then she can from this or the Valve spring plates are separated to be at their operating position to be determined.
  • valve spring plate a recess or a Projection be provided with the valve stem seal can enter a clamp connection. This is to be interpreted that it can be released after the valve stem seal has assumed its operating position on the cylinder head and at this example, by a clamping or frictional connection or otherwise secured.
  • a valve spring plate for use in a described Valve spring assembly can be purchased as a single item and in one Pre-assembly station with the other components to the Valve spring assembly joined together and then together with this as an assembly unit on a valve stem one Internal combustion engine to be mounted.
  • a method of assembling a valve spring assembly is both manual and automated Mounting suitable. Due to the merger of several Components to a valve spring assembly, as a Pre-assembled unit to be brought to the assembly site can, the assembly process can be accelerated or even a Assembly by means of a machine, for example with a Magazine or an automated feeder.
  • FIG. 1 shows a valve stem 10 of a not closer illustrated intake or exhaust valve, which is characterized by a only hinted cylinder head 12 a Internal combustion engine extends. Above the valve stem 10 is a valve spring assembly 14 in from the valve stem 10 disassembled or not attached to the valve stem 10 State shown.
  • the valve spring assembly 14 has a valve spring 16, a Valve stem seal 18, a valve spring plate 20, a in the Type of securing ring executed securing element 22nd and an elastic securing means 24, wherein the Valve spring 16 in the installed state at one end of the Cylinder head 12 and the other end to a bottom 25 of the Valve spring plate 20 comes to the plant.
  • the valve spring plate 20 is designed as a collared, rotationally symmetrical component or as a cuff with an at least approximately circular, central recess 26 executed, which in a valve stem 10 facing Region 28 has a diameter suitable for to allow a sliding receiving the valve stem 10.
  • the recess 26 In its remaining area 30, the recess 26 has a Diameter exceeding this first diameter whereby in a transition region a shoulder or a Bearing surface 27 is formed.
  • the recess 26 expands preferably with progressive distance from the Contact surface 27.
  • An outer edge region 32 of the valve spring plate 20 forms an area over which the valve spring 16 on the Valve spring plate 20 is supported, and is beyond at least partially in the manner of a toward the bottom 25th formed of the valve spring 20 open hook.
  • One End portion 34 of the valve spring 16 can thus by the Edge region 32 are received so that it is in a Clamping seat is held on the valve spring plate 20.
  • valve spring plate 20 at his Bottom 25 a recess 36, which in the manner of a preferably circular countersink is executed.
  • the Recess 36 has a diameter which is such dimensioned is that he has a releasable clamp connection between the recess 36 and the valve stem seal 18th allows.
  • the clamping connection is favored by that the valve stem seal 18 made of an elastic material or an elastic plastic material is formed, which to achieve the desired sealing effect usually is provided.
  • valve stem 10 and the cylinder head 12 are in the usual Carried out manner, wherein the valve stem 10 in an upper, the cylinder head 12 remote area a circumferential groove 38th having.
  • FIGS. 2 to 5 taken in which steps of a method of assembling the previously described valve spring assembly 12 on the Valve stem 10 are shown.
  • Fig. 2 shows the valve spring assembly 14, which on the Valve stem 10 has been placed so that the valve spring 16 at the cylinder head 12 comes to rest, with no further force is exercised.
  • the Securing element 22 which within the sleeve-like Valve plate 20 is disposed above the groove 38th
  • valve spring assembly 14 To the valve spring assembly 14 on the valve stem 10 to mount the valve spring plate 20 according to the Representation in Fig. 3 against the effect of one end the cylinder head 12 supporting valve spring 16 on the Cylinder head 12 to move. This also moves Fuse element 22 down, as it passes through the on him engaging securing means 24 according to the movement of the Valve spring plate 20 is carried.
  • valve spring 16 compressed so that the preferably in the nature of a locking ring or spring ring executed fuse element 22 by the securing means 24th was brought to the groove 38 of the valve stem 10 passes the securing element 22 in a further displacement of the Valve spring plate 20 in the direction of the cylinder head 12 in Engagement with the groove 38.
  • This engagement produces an audible Click, which in particular in a manual assembly of a Operator can indicate that the fuse element 22nd is positioned.
  • a force has to be applied that sufficient to the elastic running securing means 24th to deform such that the securing element 22 to him can pass without disengaging with the groove 38th to be brought.
  • Valve spring 20 This further movement of Valve spring 20 is performed to the Valve stem seal 18 continues towards the cylinder head 12 to move on to an appropriately engineered Area of the cylinder head 12 such a tight clamping seat that it can persist, if after one Release the valve spring 20 this by the effect the valve spring 16 is pushed away from the cylinder head 12, wherein the clamping connection between the valve spring plate 20 and the valve stem seal 18 is released.
  • This position is in Fig. 4 shown.
  • Fig. 5 now shows the position of the valve spring assembly 14 and in this case in particular the valve spring plate 20, the Take fuse element 22 and the valve stem seal 28, when the valve spring plate 20 is released and the Valve spring assembly 14 in its operating position located. If the valve spring plate 20 through the valve spring 16 loaded from the cylinder head 12 away, so will the Securing means 24 again to the securing element 22nd introduced and brought to this plant. By a appropriate dimensioning of the valve spring 16 and the Securing means 24 ensures that the Securing means 24 by the applied spring force such is deformed, that the securing element 22 to him pass by and enter the interior of the cuff can.
  • valve spring 16 takes place as long as another Displacement of the valve spring 20 on the valve stem 10 until the contact area 27 of the valve spring plate 20 on the Securing element 22 comes to rest.
  • the effect of Valve spring 16 can now only in one movement of the Valve stem 10 result, and the valve spring assembly 14th is ready for use.
  • valve spring plate 20 is again against the effect of the valve spring 16 in the direction of the cylinder head 12 moves until the fuse element 22 from the cuff ' exit.
  • the now accessible securing element 22 can in simple way, for example, with the help of a Screwdriver or other suitable tool from the valve stem 10 are removed, after which the Valve spring assembly 14 and in particular the Valve stem seal 18 of the valve stem 10 and the Cylinder head 12 can be removed / removed.
  • valve spring assembly 14 as a preassembled unit all on the valve stem 10th to be mounted components and thus includes a variety of such Units filled in a magazine or by means of a Feeder be brought to a mounting unit can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Automatic Assembly (AREA)
  • Springs (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Fluid-Damping Devices (AREA)
  • Compressor (AREA)
EP02017051A 2001-08-25 2002-07-27 Ensemble de ressort de soupape, coupelle de ressort de soupape et méthode d'assemblage d'ensemble de ressort de soupape Expired - Lifetime EP1288447B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10141782A DE10141782A1 (de) 2001-08-25 2001-08-25 Ventilfederzusammenbau, Ventilfederteller und Verfahren zur Montage eines Ventilfederzusammenbaus
DE10141782 2001-08-25

Publications (3)

Publication Number Publication Date
EP1288447A2 true EP1288447A2 (fr) 2003-03-05
EP1288447A3 EP1288447A3 (fr) 2003-08-27
EP1288447B1 EP1288447B1 (fr) 2006-04-26

Family

ID=7696659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017051A Expired - Lifetime EP1288447B1 (fr) 2001-08-25 2002-07-27 Ensemble de ressort de soupape, coupelle de ressort de soupape et méthode d'assemblage d'ensemble de ressort de soupape

Country Status (8)

Country Link
US (1) US6811143B2 (fr)
EP (1) EP1288447B1 (fr)
JP (1) JP2003074316A (fr)
CN (1) CN1407212A (fr)
AT (1) ATE324515T1 (fr)
BR (1) BR0203851A (fr)
DE (2) DE10141782A1 (fr)
MX (1) MXPA02008202A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011028714A1 (fr) * 2009-09-02 2011-03-10 Facet Technologies, Llc Système et procédé d'assemblage d'un autopiqueur à l'aide d'un montage à enroulement de ressort
US11193403B2 (en) * 2017-06-30 2021-12-07 Yamaha Hatsudoki Kabushiki Kaisha Valve spring retainer and internal combustion engine

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934513B2 (en) * 2003-10-08 2011-05-03 Semes Co., Ltd. Facility with multi-storied process chamber for cleaning substrates and method for cleaning substrates using the facility
TWM256687U (en) * 2004-02-12 2005-02-11 Tsangkuo Ind Co Ltd Automatic drainage device
US20060060243A1 (en) * 2004-09-22 2006-03-23 Yung-Fang Yang Self-draining vacuum breaker
DE102008009815B4 (de) * 2008-02-19 2016-09-29 Robert Bosch Gmbh Rückzugkugel für eine hydrostatische Kolbenmaschine und System aus einer solchen Rückzugskugel und aus einer Vielzahl von Federn
JP5448184B2 (ja) * 2009-06-18 2014-03-19 株式会社パイオラックス ばね組立体とその製造方法
FR2982327B1 (fr) * 2011-11-07 2013-11-29 Delphi Tech Holding Sarl Ensemble de bouchon pour vanne haute pression
GB2511509A (en) * 2013-03-04 2014-09-10 Gm Global Tech Operations Inc Engine cylinder head provided with light valve spring bosses
US9523328B2 (en) 2014-02-26 2016-12-20 Ford Global Technologies, Llc System, method and tooling for flexible assembly of cylinder-head valve trains
US10534350B2 (en) 2016-06-28 2020-01-14 Ford Motor Company Flexible pressing verification system
US20230313713A1 (en) * 2022-04-05 2023-10-05 GM Global Technology Operations LLC Engine valve assembly including detent mechanism configured to increase force biasing valve toward closed position when valve is at or near closed position

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595696A (en) * 1945-05-02 1947-12-12 Alfred Henri Marius Louis Mart Improvements in or relating to couplings between a rod or stem and a surrounding coiled spring
GB629192A (en) * 1947-05-07 1949-09-14 John Leslie Cloudsley Improvements relating to valve spring supports
GB665435A (en) * 1949-05-03 1952-01-23 Ford Motor Co Improvements in or relating to valves for internal combustion engines
FR999650A (fr) * 1949-05-03 1952-02-04 Ford Dispositif de montage des soupapes pour moteurs à combustion interne
US2759466A (en) * 1953-11-19 1956-08-21 Brummer Seal Co Valve stem oil deflector means
US2855915A (en) * 1956-12-13 1958-10-14 Thompson Prod Inc Valve cap assembly
EP0387922A2 (fr) * 1986-06-12 1990-09-19 Ngk Spark Plug Co., Ltd Dispositif pour soupape en céramique
US5515821A (en) * 1994-11-22 1996-05-14 General Electric Company Valve spring retainer stem oil shield

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US1537555A (en) * 1924-02-25 1925-05-12 Schenk Vincent Leo Valve attachment
US1638251A (en) * 1925-03-30 1927-08-09 Waukesha Motor Co Washer
US2171668A (en) * 1938-02-21 1939-09-05 Leonard A Young Valve spring retainer
US3033518A (en) * 1958-05-15 1962-05-08 Thompson Ramo Wooldridge Inc Valve spring retaining means
US3612016A (en) * 1970-07-13 1971-10-12 William J Jelen Valve spring retainer
US3815873A (en) * 1973-06-07 1974-06-11 Robertshaw Controls Co Valve assembly
US4509473A (en) * 1984-04-18 1985-04-09 General Motors Corporation Spring damper with controlled wear area
US4538563A (en) * 1984-09-04 1985-09-03 Peterson American Corporation Helical coil spring damper assemblies
DE3509082C1 (de) * 1985-03-14 1986-06-26 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Ventilkoerperbefestigung
US5606940A (en) * 1991-12-31 1997-03-04 Caterpillar Inc. Engine valve seating velocity hydraulic snubber
US5259096A (en) * 1992-09-22 1993-11-09 Athletic Specialties, Inc. Slide socket and method for making same
DE4421408A1 (de) * 1994-06-18 1995-12-21 Schaeffler Waelzlager Kg Ventilfederteller in Leichtbauweise
ES2125778B1 (es) * 1995-10-30 1999-12-16 Fico Cables Sa Mecanismo de enlace para terminales de cables de mando.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595696A (en) * 1945-05-02 1947-12-12 Alfred Henri Marius Louis Mart Improvements in or relating to couplings between a rod or stem and a surrounding coiled spring
GB629192A (en) * 1947-05-07 1949-09-14 John Leslie Cloudsley Improvements relating to valve spring supports
GB665435A (en) * 1949-05-03 1952-01-23 Ford Motor Co Improvements in or relating to valves for internal combustion engines
FR999650A (fr) * 1949-05-03 1952-02-04 Ford Dispositif de montage des soupapes pour moteurs à combustion interne
US2759466A (en) * 1953-11-19 1956-08-21 Brummer Seal Co Valve stem oil deflector means
US2855915A (en) * 1956-12-13 1958-10-14 Thompson Prod Inc Valve cap assembly
EP0387922A2 (fr) * 1986-06-12 1990-09-19 Ngk Spark Plug Co., Ltd Dispositif pour soupape en céramique
US5515821A (en) * 1994-11-22 1996-05-14 General Electric Company Valve spring retainer stem oil shield

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011028714A1 (fr) * 2009-09-02 2011-03-10 Facet Technologies, Llc Système et procédé d'assemblage d'un autopiqueur à l'aide d'un montage à enroulement de ressort
US11193403B2 (en) * 2017-06-30 2021-12-07 Yamaha Hatsudoki Kabushiki Kaisha Valve spring retainer and internal combustion engine

Also Published As

Publication number Publication date
DE10141782A1 (de) 2003-03-06
MXPA02008202A (es) 2005-09-08
US20030038269A1 (en) 2003-02-27
US6811143B2 (en) 2004-11-02
CN1407212A (zh) 2003-04-02
ATE324515T1 (de) 2006-05-15
EP1288447A3 (fr) 2003-08-27
JP2003074316A (ja) 2003-03-12
EP1288447B1 (fr) 2006-04-26
BR0203851A (pt) 2003-05-20
DE50206535D1 (de) 2006-06-01

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