EP2229514A2 - Ressort pour systeme de soupape et systeme de soupape pourvu d'un tel ressort - Google Patents

Ressort pour systeme de soupape et systeme de soupape pourvu d'un tel ressort

Info

Publication number
EP2229514A2
EP2229514A2 EP08856821A EP08856821A EP2229514A2 EP 2229514 A2 EP2229514 A2 EP 2229514A2 EP 08856821 A EP08856821 A EP 08856821A EP 08856821 A EP08856821 A EP 08856821A EP 2229514 A2 EP2229514 A2 EP 2229514A2
Authority
EP
European Patent Office
Prior art keywords
spring
valve body
tongues
fixable
spring tongues
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.)
Withdrawn
Application number
EP08856821A
Other languages
German (de)
English (en)
Inventor
Heinrich Reutter
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.)
Heinrich Reutter & Co KG GmbH
Original Assignee
Heinrich Reutter & Co KG GmbH
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 Heinrich Reutter & Co KG GmbH filed Critical Heinrich Reutter & Co KG GmbH
Publication of EP2229514A2 publication Critical patent/EP2229514A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0238—Closure caps with overpressure valves or vent valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • F16F1/324—Belleville-type springs characterised by having tongues or arms directed in a generally radial direction, i.e. diaphragm-type springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
    • F16K17/19—Equalising valves predominantly for tanks
    • F16K17/196—Equalising valves predominantly for tanks spring-loaded

Definitions

  • the present invention relates to a spring for valve assemblies in closures of openings pressure-controlled or pressurized container, in particular motor vehicle radiator, or in pressure lines, according to the preamble of claim 1.
  • Object of the present invention is to provide a spring for valve assemblies of the type mentioned, which takes less space in their use in valve assemblies of the type mentioned and has a more accurate hysteresis.
  • Such a leaf spring can be used both for pressure relief valves and vacuum valves. In addition to full-surface or strip-shaped leaf springs, preference is given to those whose fixed, fixed spring area is provided with spring tongues.
  • the spring tongues may be arranged wholly or partially either in a plane with the fixable spring region or in this axially spaced after one or both sides.
  • the features of claim 10 are provided. This is achieved in a particularly advantageous manner that the leaf spring can be used simultaneously on two valve bodies, for example on a pressure relief valve body and on a vacuum valve body. Thus, a further reduction in the design and a further price reduction is achieved.
  • the features of claim 11 or those of claim 12 may be provided, depending on whether the valve body with respect to the fixable spring region radially inwardly and / or radially engage externally.
  • the present invention further relates to a valve arrangement of a closure of openings of pressure-controlled or pressurized container, in particular motor vehicle radiator, in which the back and herbewegbare valve body is equipped with such a leaf spring is according to the features of claim 14th
  • the present invention further relates to a closure cap for openings pressure-controlled or pressurized container, in particular
  • Figures 2A to 2C each in plan view and side view a BIa
  • FIGS. 3A and 3B each in longitudinal section a valve assembly
  • the leaf springs 10 and 20 shown in Figures 1 and 2 are used in valve assemblies as they are used in closures of openings pressure-controlled or pressurized container, such as automotive radiator.
  • the leaf springs 10 and 20 are punched or eroded from a spring steel strip, for example, wherein the spring steel strip is made for example of a stainless steel. It is understood that other spring-hard material can be used.
  • a leaf spring 10 may be formed in a manner not shown simplest way from a disc with or without a central aperture or a strip with or without a central aperture. In this case, either the outer edge or the center of the leaf spring in the valve assembly is held stationary or clamped.
  • the leaf springs 10A to 10D are provided in different embodiments of the tongues 11.
  • Spring properties are dependent on the thickness of the leaf springs 10 and on the length and width of the individual spring tongues 11.
  • the leaf spring 10A according to FIG IA has the shape of a disc whose outer circumference determines the clamped or held fixed spring portion 13A and the so distributed over its surface evenly distributed six pear-shaped recesses 12A, which converge in the middle, is provided that six radially result inwardly directed spring tongues IIA, the free ends 14A are resiliently movable and thus from the plane of the disc of the leaf spring 10A are deflected. At the free ends 14A of the spring tongues IIA can act in an unillustrated manner an axially reciprocable valve body.
  • the leaf spring 1OB according to FIG. 1B has a similar disk-like basic shape with elongate recesses 12B and spring tongues IIB, but in addition to the inner recesses 12B for forming spring tongues IIB, radial recesses 15B are incorporated from the outer circumference. Also, the peripheral area interrupted here is provided as a fixedly held spring portion 13B, while a reciprocating valve body at the free ends 14B of the spring tongues IIB can attack. In this embodiment, distributed uniformly over the circumference arranged a total of eight spring tongues IIB.
  • the leaf spring IOC according to FIG. 1C is provided in continuation of the leaf spring 1OB according to FIG. 1B with deeper radial incisions 15C introduced from the outer circumference of the disc, which make the spring tongues HC U-shaped in plan view. Only six spring tongues HC are provided here.
  • the inner recesses 12C are similar to those of the leaf spring 1OB approximately trapezoidal, whereby also here the broken outer edge is considered to be held stationary spring portion 13C, while the free ends 14C of the radially inwardly directed spring tongues HC can rest on the valve body, not shown.
  • Figure ID shows a leaf spring 10D, which is formed as a combination of the leaf springs 1OB and IOC in plan view is approximately star-shaped, with eight spring tongues HD are provided, which are either directed radially inward or directed radially outward, depending on whether In that regard, the reciprocating valve body is then in contact with either the outer peripheral side free ends or the inner peripheral side free ends of the flexible tongues HD.
  • leaf springs 10A to 10D is in the application or in the installed state and in the idle state, a bias of the spring tongues HA to HD against the stationarily held spring portion 13A to 13D provided.
  • the spring tongues HA to HD are in the same plane as the fixedly held spring portions 13A to 13D. It is understood that it is also possible to bend the spring tongues IIA to HD relative to the spring portions 13A to 13D from the plane in question, to crimp or the like to form.
  • leaf springs 2OA, 2OB and 2OC are shown, each having two types of a plurality of spring tongues 21 and 22 in a structural unit, which can be assigned to different valve bodies, such as a pressure relief valve body and a vacuum valve body.
  • the leaf spring 2OA of Figure 2A which is designed disc-shaped, has an outer peripheral side circular ring 24A, which serves as a fixed held spring area. Of this circular ring 24A integrally radially projecting six spring tongues 21 and two spring tongues 22 are provided here.
  • the six spring tongues 21 are divided into pairs of three mutually opposite and mutually equal distance having spring tongues 21A, while the two diametrically opposed spring tongues 22A are each arranged between the two pairs of three spring tongues 21A.
  • the two spring tongues 22A are radially longer than the mutually equal length spring tongues 21A.
  • the free ends 26A of the two diametrically opposite spring tongues 22A have a smaller distance than the free ends 23A of the opposite pairs of three spring tongues 21, which are slightly wider than the spring tongues 22A.
  • the spring tongues 21A and 22A lie in the same plane as the stationarily held spring area 24A or circular ring.
  • the leaf spring 2OB likewise has a circular ring 24B designed as a stationary spring area, three equally spaced spring tongues 21B are directed radially inwardly from the inner circumference thereof, their free ends 23B terminating at a certain distance from each other.
  • FIG. 2B also shows that six spring tongues 22B, which are distributed uniformly over the outer circumference, are provided, which are integral with the circular ring 24B at their one end and run parallel to the outer circumference of the circular ring 24B over a certain angle and at their free ends 26B Distance from the molded end of the adjacent spring tongue 22A ends. It is understood that the spring tongues 22B can extend over the entire angled area to the adjacent spring tongue 22B.
  • this leaf spring is 2OB with their spring tongues 21B and 22B in the initial state in a plane.
  • the peripheral spring tongues 22B may be biased by stationary pins 25 of a component 28 of the valve assembly shown in phantom.
  • the leaf spring 2OC according to Figure 2C is formed in plan view similar to the leaf spring 2OB of Figure 2B, wherein the circumferential spring tongues 22C each completely fill the space between adjacent spring tongues 22C.
  • both the spring tongues 21C and the spring tongues 22C are formed out of the plane of the spring portion 24C held stationary.
  • the spring tongues 21C on one side and the spring tongues 22C on the other side are bent out of said plane. In this way, the travel can be increased.
  • FIGs 3A and 3B show a valve assembly 30 of a closure cover 31 for automotive radiator.
  • a cover inner part 32 is shown in Figures 3A and 3B, which is sealed via an O-ring 33 against adeerstutzenwandung, not shown.
  • a first valve body 36 is arranged, which is part of a pressure relief valve and which is provided on its underside with a ring seal 37 which rests on the valve seat 34 in the rest position.
  • a second valve body 38 is arranged, which is part of a vacuum valve and which is supported by a conventional coil spring 39 provided with an opening 41 bottom 42 of the inner lid part 32.
  • This coil spring 39 pushes the second valve body 38 with its annular sealing seat 43 against the annular seal 37 of the first valve body 36 and that within the annular valve seat 34 of the inner lid part 32 for the first valve body 36th
  • the first valve body 36 is pressed by means of a leaf spring 10 against the valve seat 34 on the inner lid part 32.
  • a leaf spring 10 is provided as a leaf spring 10, a full-surface leaf spring washer which is circumferentially supported in a groove 44 of the inner cover part 32 and presses in a biased manner centrally against the first valve body 36.
  • the leaf spring disc 10 may instead be formed as a leaf spring strip or leaf spring cross.
  • a leaf spring 10 is provided according to one of the embodiments of Figures IA to ID, wherein the stationary spring portion 24 is held stationary against a lid inside the part 32 axially held spring plate 45 and the spring tongues 11 in a biased manner on a ring edge 46 of the first Valve body 36 are arranged to press a sleeve approach 47.
  • the support of the spring tongues 11 on the annular edge 46 of the first valve body 36 is designed such that does not change during the lift of the first valve body or plate 36 from its valve seat 34, the resilient length of the spring tongues 11, so that no additional force change.
  • FIGS. 4A to 4E show further applications of the leaf springs 10 or 110 and / or 20 in a valve arrangement 130 which, like the valve arrangement 30 according to FIGS. 3A and 3B, has a first valve body 136 of a pressure relief valve and a second valve body 138 of a vacuum valve.
  • the first valve body 136 has a central opening 151 in the valve arrangement 130, through which a main part 152 of the second valve body 138 connected to the lower seat 153 having the sealing seat 143 protrudes.
  • a mushroom-shaped head 154 of the main part 152 is located within a sleeve extension 147 and that of FIG. 4B within an outer edge 148 of the first valve body 136.
  • two separate leaf springs 10 and 110 are provided, of which the leaf springs 10 the first valve body 136 and the leaf springs 20, the second valve body 138 acted upon.
  • the leaf spring 110 which acts on the pressure relief valve body, is held with its spring portion 13 held stationary on a stationary part of the inner cover part 132, while the free ends 14 of the spring tongues 11 rest on a ring edge 146 of the sleeve projection 147 and the first valve body 136 with its ring seal 137 on the valve seat 134 of the inner lid part 132 press.
  • the spring tongues 11 are secured against rotation by fixing pins 150.
  • the leaf spring 10 is formed according to one of the embodiments of FIGS IA to ID.
  • the leaf spring 110 which here has a ring-shaped spring area held 113 and thereof projecting inside edge two diametrically opposite spring tongues 122, lies with its spring portion 113 on an annular edge of the outer edge 148 of the first valve body 136, while the two spring tongues 122 the sleeve extension 147 of the first Penetrate valve body 136 in axial recesses 149 and bias the mushroom-shaped head 154 on the underside of the shoulder 155.
  • the leaf spring 10 is provided with a central opening 157, the edge of which forms the spring portion 13 held stationary and the spring tongues 11 protrude radially outwardly from this central spring portion 13 radially outward, the free ends 14 on an annular edge portion of Outer edge 148 of the first valve body 136 rested biased.
  • the leaf spring 110 has an annular spring portion 113 held stationary, which rests on an inner shoulder of the outer edge 148 of the first valve body 136 held stationary and its spring tongues 122 under the Shoulder 155 of the head 154 of the second valve body 138 biased grip.
  • a leaf spring 20 according to FIG. 2A is used in the valve arrangement 130, so that the leaf spring 20 is assigned to both the first valve body 136 and the second valve body 138.
  • the common annular spring portion 24 rests against a stationary component of the inner cover part 132, while the spring tongues 21 rest on an outer shoulder 156 of the sleeve projection 147 of the first valve body 136 biased.
  • the leaf spring 20 is similar to the embodiment of Figure 4D formed, but there are the spring tongues 21 in the opposite direction and with respect to the annular edge 146 of the first valve body 136 radially outwardly formed.
  • the fixedly held spring portion 24 rests on the annular edge 148 of the first valve body 136, while the peripheral edge-side spring tongues 21 biased at an annular edge 146 of a fixedly connected to the stationary inner cover part 132 component issue.
  • the right half section of Figure 4E shows the further deformation of the spring tongues 21 with the valve body 136 lifted.
  • the spring tongues 22 are under the shoulder 155 of the mushroom-shaped head 154 at.
  • leaf springs according to the invention in valve arrangements for container closures is described above, it is understood that such leaf springs can also be used in valve arrangements of pressure lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Safety Valves (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un ressort (10, 110, 20) destiné à des systèmes de soupapes utilisés dans des éléments de fermeture pour des ouvertures de contenants régulés ou sollicités en pression, en particulier de radiateurs de véhicules automobiles, ou dans des conduites de refoulement. Selon l'invention, ce ressort se présente sous la forme d'un ressort à lames, par exemple découpé ou érodé dans un feuillard d'acier à ressort, ce ressort présentant de préférence une zone pouvant être bloquée ou maintenue de manière fixe et au moins deux lames reliées à cette zone.
EP08856821A 2007-12-05 2008-11-28 Ressort pour systeme de soupape et systeme de soupape pourvu d'un tel ressort Withdrawn EP2229514A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200720017507 DE202007017507U1 (de) 2007-12-05 2007-12-05 Feder für Ventilanordnung und Ventilanordnung mit einer derartigen Feder
PCT/EP2008/010098 WO2009071240A2 (fr) 2007-12-05 2008-11-28 Ressort pour système de soupape et système de soupape pourvu d'un tel ressort

Publications (1)

Publication Number Publication Date
EP2229514A2 true EP2229514A2 (fr) 2010-09-22

Family

ID=40561105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08856821A Withdrawn EP2229514A2 (fr) 2007-12-05 2008-11-28 Ressort pour systeme de soupape et systeme de soupape pourvu d'un tel ressort

Country Status (3)

Country Link
EP (1) EP2229514A2 (fr)
DE (1) DE202007017507U1 (fr)
WO (1) WO2009071240A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012006456A (ja) * 2010-06-24 2012-01-12 Toyoda Gosei Co Ltd 燃料遮断弁
DE102011105586B4 (de) * 2011-06-27 2014-12-24 Staiger Gmbh & Co. Kg Ventil
US9206807B2 (en) * 2012-09-06 2015-12-08 Asia Vital Components (China) Co., Ltd. Preload disk spring, assembly structure thereof, and fan using same
DE202014006149U1 (de) 2014-07-29 2015-07-31 Reinz-Dichtungs-Gmbh Vorrichtung zum Abscheiden von Öltröpfchen und/oderÖlnebel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249971A (en) * 1939-03-31 1941-07-22 Gen Motors Corp Cooling system pressure relief device
DE713327C (de) * 1940-04-03 1941-11-05 Metall Ind G M B H Behaelterverschluss, insbesondere fuer Brennstoffbehaelter von Kraftfahrzeugen
US3086677A (en) * 1961-02-13 1963-04-23 Anton W Konchan Push button radiator pressure cap
US3194262A (en) * 1963-12-10 1965-07-13 Chrysler Corp Shock absorber base valve
GB1395586A (en) * 1972-05-18 1975-05-29 Avm Corp Fluid valves
DE3831686A1 (de) * 1987-09-22 1989-04-06 Zahnradfabrik Friedrichshafen Deckel mit innenteil
US5114035A (en) * 1991-10-31 1992-05-19 Epicor Industries, Inc. Vehicle radiator cap
US6276312B1 (en) * 1998-11-06 2001-08-21 Stant Manufacturing Inc. Thermal control cooling system vacuum valve
DE10034762A1 (de) 2000-03-13 2002-01-31 Heinrich Reutter Verschlussdeckel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009071240A3 *

Also Published As

Publication number Publication date
WO2009071240A2 (fr) 2009-06-11
DE202007017507U1 (de) 2009-04-16
WO2009071240A3 (fr) 2009-08-13

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