EP2089610A1 - Dispositif d'étanchéité - Google Patents

Dispositif d'étanchéité

Info

Publication number
EP2089610A1
EP2089610A1 EP07819812A EP07819812A EP2089610A1 EP 2089610 A1 EP2089610 A1 EP 2089610A1 EP 07819812 A EP07819812 A EP 07819812A EP 07819812 A EP07819812 A EP 07819812A EP 2089610 A1 EP2089610 A1 EP 2089610A1
Authority
EP
European Patent Office
Prior art keywords
sealing
longitudinal
slots
transverse
sealing device
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Withdrawn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
EP07819812A
Other languages
German (de)
English (en)
Inventor
Sigismund Jones
Van Doan Nguyen
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.)
Magna Powertrain Bad Homburg GmbH
Original Assignee
ixetic Bad Homburg 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 ixetic Bad Homburg GmbH filed Critical ixetic Bad Homburg GmbH
Publication of EP2089610A1 publication Critical patent/EP2089610A1/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Withdrawn legal-status Critical Current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
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C9/00—Oscillating-piston machines or engines
    • F01C9/002—Oscillating-piston machines or engines the piston oscillating around a fixed axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/10—Sealings for working fluids between radially and axially movable parts
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/54—Other sealings for rotating shafts
    • F16J15/545—Other sealings for rotating shafts submitted to unbalanced pressure in circumference; seals for oscillating actuator

Definitions

  • the invention relates to a sealing device for a swivel motor according to the preamble of claim 1.
  • Sealing devices of the type mentioned here are known (DE 43 378 815 C1). They are used in swivel motors, which have an outer part, an inner part and at least one working chamber lying between these parts, which is sealed by sealing elements of the sealing device. This has yet another sealing element, which moves within the working chamber and divides the working chamber into two areas. It has been found that the sealing properties of known sealing devices are in many cases insufficient and undesired internal leakage occurs under certain operating conditions. In general, the sealing elements are not inserted directly into the inner surface of the outer part and the outer surface of the inner part, but rather in the ends of wings, which emanate from said surfaces.
  • the object of the invention is therefore to provide a sealing device which avoids this disadvantage.
  • a sealing device which comprises the features listed in claim 1. It is used for a swing motor comprising an outer, an inner part and an intermediate working chamber. This is sealed by the sealing device, namely by sealing elements thereof. Within the working chamber, another sealing element of the sealing device moves. In the outside and / or inner part of the swivel motor are introduced in the direction of its pivot axis extending grooves, which are preferably provided at the ends of wings and in each of which a sealing element of the sealing device is used. The working chambers are sealed on each of their longitudinal sides by means of a sealing element. By the sealing element, which is moved within the working chamber, the working chamber is divided into two areas which are alternately pressurized, so that the sealing element within the chamber moves back and forth and results in a relative rotation between the inner and outer part of the swing motor.
  • the sealing elements are preferably inserted into the ends of wings, which emanate from the outer or inner part.
  • a wing of the inner part between two working chamber bounding wings of the outer part and divides the working chamber into two areas.
  • the sealing elements each have at least two elongated sealing plates and are characterized in that the sealing plates comprise at least one longitudinal and / or transverse slot into which the pressurized medium can enter, which is located in the working chamber. As a rule, this is hydraulic oil. Due to this configuration, the sealing plates can extend in the longitudinal and / or transverse direction, so that an optimal seal of the working chamber is ensured.
  • a preferred embodiment of the sealing device is characterized in that the sealing elements have at least one sealing disc. Their size is on the sealing plates Voted. Preferably, both parts are the same size.
  • the at least one sealing disc is intended to prevent the medium present in the working chamber from flowing through the sealing plate in the transverse direction. At least one sealing disc is provided.
  • the at least one longitudinal and / or transverse slot in the sealing plate extends to the edge thereof and opens here.
  • a medium under pressure in the longitudinal and / or transverse slot during operation of the swing-wing motor can enter into the medium and cause expansion of the sealing plate in the longitudinal and / or transverse direction.
  • the sealing plate applies particularly well to their associated sealing surfaces, so that the swing-wing motor can be realized with low loss.
  • a preferred embodiment is characterized in that a plurality of longitudinal slots are provided which extend point-symmetrically to the center of the sealing plate. This configuration makes it possible for the sealing plate to continue to extend transversely to the longitudinal direction.
  • the sealing plate has a plurality of transverse slots, which extend point-symmetrically to the center of the sealing plate. This ensures that the sealing plate seen in the longitudinal direction can continue to expand.
  • Both exemplary embodiments have in common that when two or more sealing plates rotated one against the other by the point-symmetrical configuration, the longitudinal and / or transverse slots of two adjacent sealing plates do not overlap one another lie, so that an immediate cross-connection through adjacent sealing plates is avoided therethrough.
  • Another embodiment is preferred because it has at least one longitudinal and / or at least one transverse slot, which is not connected to the edge of the sealing plate, not indirectly via a longitudinal and / or transverse slot mentioned above.
  • This additional longitudinal and / or transverse slot can in turn be acted upon by a pressurized medium, so that an additional longitudinal or transverse expansion of the sealing plate is achieved, which superimposes the deformation of the sealing plate, which is based on a pressure which in the at least a based on the edge of the sealing plate slot is based. In this way it is possible to specifically influence the deformation of the sealing plate.
  • Figure 1 is a plan view of the longitudinal side of a sealing element
  • Figure 2 is a view of the narrow side of a sealing element
  • Figure 3 is a side view of a sealing plate of a sealing element according to Figures 1 and 2;
  • Figure 4 is a side view of the sealing element with at least two superimposed sealing plates which are twisted against each other;
  • Figure 5 is a side view of a modified compared to Figure 3 embodiment of a sealing plate, and
  • Figure 6 is a sectional view of a swing motor with a
  • the sealing element 1 shown in Figure 1 has at least two, here four superimposed sealing plates 3, 5, 7 and 9. In the embodiment shown here also a set on the uppermost sealing plate 3 sealing disc 11 and a resting on the lowermost sealing plate 9 sealing disc 13 are provided.
  • the uppermost sealing plate 3 has at least one, here three openings 15, 17, 19 lying to the left of an imaginary center plane E1.
  • the immediately adjacent to the first sealing plate 3 next sealing plate 5 has at least one, here three lying to the right of the median plane E1 openings 21, 23 and 25.
  • the plan view shows that the adjoining third sealing plate in turn has three openings 27, 29 and 31, which lie to the left of the center plane E1.
  • the lowermost sealing plate 9 has openings 33, 35 and 37 lying to the right of the center plane E1. It can be seen that the openings of a sealing plate with respect to the adjacent sealing plate are mirror images of the center plane E1. This avoids that, as shown in FIG. 1, a through-going fluid path is created through the openings from top to bottom, which would pass through the sealing element 1 transversely.
  • FIG. 2 shows the sealing element 1 in side view.
  • the same parts are provided with the same reference numerals, so that reference is made to the description of Figure 1.
  • four sealing plates 3, 5, 7, 9 are present, which are laterally limited by two sealing discs 11 and 13 in the embodiment shown here.
  • the sealing plates 3, 5, 7 and 9 lying between these sealing disks 11 and 13 each have at least one opening again.
  • the rightmost sealing plate 3 has two openings 39 and 41, one of which is arranged below a central plane E2 and one above the center plane E2.
  • the sealing plate 7 has openings 43 and 45.
  • the intermediate sealing plate 5 has openings 47 and 49, one of which is above and the other below the center plane E2. Accordingly, the fourth sealing plate 9 openings 51 and 53, which lie at the same height as the openings 47 and 49 of the sealing plate 5.
  • Figure 3 shows one of the sealing plates in side view, which are preferably all identical. Therefore, it is assumed below that this is the sealing plate 3.
  • openings 15 ', 17' and 19 ' On the underside of the sealing plate 3 are openings 15 ', 17' and 19 ', in which transverse slots 55', 57 'and 59' open.
  • transverse slots 55, 57 and 59 are arranged to the left of a transverse central axis QM, while the transverse slots 55 ', 57' and 59 'are arranged to the right of this.
  • the openings 15, 17, 19 and the transverse slots 55, 57, 59 to the openings 15 ', 17', 19 'and the transverse slots 55', 57 ', 59' point symmetrical to a center M of the sealing plate 3rd are arranged.
  • the longitudinal slots 61 and 63 are arranged point-symmetrically with respect to the longitudinal slots 61 'and 63'. This is shown here by the fact that the distance between the longitudinal slot 61 to the longitudinal central axis LM is the same as the distance of the longitudinal slot 61 '. Accordingly, the distances of the longitudinal slots 63 and 63 'are selected to the longitudinal central axis LM.
  • the side view of the sealing element 3 shows that all the transverse and longitudinal slots described here open to the edge of the sealing element 3 and thus can be reached for a pressurized medium of the swivel motor.
  • FIG. 3 also shows that the exemplary embodiment of the sealing element 3 shown here has a longitudinal axis extending along the longitudinal axis. includes the longitudinal slot 65 which is formed symmetrically to the transverse central axis QM, but which does not intersect the edge of the sealing plate 3. It also turns out that it is not in fluid communication with the transverse slots 55, 57, 59 and 55 ', 57' and 59 '.
  • the longitudinal slot 65 is cut by a transverse slot 67 running on the transverse center axis QM, which in turn neither intersects the edge of the sealing plate 3 nor is in fluid communication with one of the longitudinal slots 61, 63, 61 ', 63'.
  • two transverse slots 69 and 71 or 69 'and 71' are respectively provided on the right and left of the transverse center axis QM, which extend symmetrically to the transverse center axis QM and with the longitudinal slot 65, but not with any other slots of the sealing plate 3 are in fluid communication.
  • FIG. 3 shows that all the slots end in an expansion which has a curved, preferably circular-arc-shaped contour. This configuration serves to ensure that the sealing plate 3 does not readily crack at the ends of the slots.
  • FIG. 4 shows the sealing element 1 in a side view, that is to say a top view of the sealing disc 13.
  • the transverse center axis QM and the longitudinal center axis LM which were discussed in FIG. Covered by the sealing disc 13 are the sealing plates 3, 5, 7, 9 with the slots described above each about the transverse central axis QM twisted by 180 ° to each other. It can be seen that due to the point-symmetrical configuration of the slots 55, 57, 59 and 61 as well as 63 above and below the longitudinal central axis LM to the left of the transverse center line LM. Telachse four longitudinal slots are given, which are parallel to the longitudinal central axis.
  • transverse slots extending parallel to one another are also present on the right of the transverse center line QM.
  • three transverse slits opening towards the edge are present above the longitudinal central axis LM to the right and left of the transverse center axis QM, and in each case three transverse slits lying to the left and right of the transverse central axis below the longitudinal central axis.
  • FIG. 5 shows a modified embodiment of one of the sealing plates in side view, which are preferably all identically designed. Therefore, it is also assumed in the following that it is the sealing plate 3. Identical parts are provided with the same reference numerals, so that reference is made to the description of the preceding figures.
  • sealing plate is similar to that, as can be seen from Figure 3.
  • four openings 15, 17, 19 and 20 can be seen here, which are formed by four transverse slots 55, 57, 59 and 60, which break through the edge of the sealing plate and run parallel to the transverse center axis QM of the sealing plate 3.
  • an opening 39 can be seen on the right narrow side of the sealing plate 3 here.
  • a second opening as can be seen in FIG. 3, is omitted here.
  • the opening 39 forms the mouth of a longitudinal slot 63, which runs parallel to the longitudinal center axis LM of the sealing plate 3 and is arranged below the same.
  • transverse slots 55, 57, 59, 60 are arranged to the left of the transverse central axis QM, while the transverse slots 55 ', 57', 59 'and 60' are arranged to the right of this.
  • the openings 15, 17, 19, 20 and the transverse slots 55, 57, 59, 60 are exposed to the openings 15 ', 17', 19 ', 20' and the transverse slots 55 '. 57 ', 59'. 60 'point symmetrical to a center M of the sealing plate 3 are arranged.
  • the longitudinal slot 63 is arranged point-symmetrically with respect to the longitudinal slot 63 '. This is shown here by the fact that the distance between the longitudinal slot 63 to the longitudinal center axis LM is the same as the distance of the longitudinal slot 63 'to the longitudinal center axis LM.
  • FIG. 5 also shows that the exemplary embodiment of the sealing element 3 shown here comprises a longitudinal slot 65 extending on the longitudinal center axis LM, which slot is symmetrical to the transverse center axis QM but which does not intersect the edge of the sealing plate 3.
  • the longitudinal slot 65 does not extend over the entire width of the sealing element 3. He forks each right and left of the transverse slots 69, 69 'in two partial longitudinal slots 65a, 65b and 65'a, 65'b on.
  • the partial longitudinal slots 65a, 65b lie to the right of the transverse center line QM, while the partial longitudinal slots 65'a, 65'b are arranged to the left thereof.
  • the total length of the longitudinal slot and the partial longitudinal slots is chosen so that they extend substantially over the entire length of the sealing plate 3.
  • the partial longitudinal slots 65a, 65b and 65'a, 65'b are formed symmetrically to the transverse central axis. Incidentally, they also run symmetrically with respect to the longitudinal central axis LM.
  • the partial longitudinal slots run at a distance to the upper or lower side of the sealing plate. It is preferably provided that the partial longitudinal slots have kinked end portions which extend with respect to the longitudinal central axis outwardly into the corners of the sealing plate 3.
  • FIG. 5 A comparison of Figure 5 with Figure 3 shows that the corners of the sealing plate 3 are formed in the embodiment of Figure 5 are more stable because they have no free-standing end portions, but inside lying, closed to the outside partial longitudinal slots.
  • the longitudinal slots 61, 63 and 61 ', 63' extend at a distance to the top or bottom of the sealing plate 3, so that relatively thin tongues between the longitudinal slots and the top or bottom arise. These are sensitive.
  • all sealing plates 3, 5, 7 and 9 have a longitudinal channel 65 with a total of five transverse slots 67, 69, 69 ', 71, 71' (see FIGS. 3 and 4) or seven transverse slots 67, 69, 69 ', 71, 71'. , 72, 72 ') (see Figure 5), all of which do not cut the edge of the sealing plates, are not connected via longitudinal or transverse slots with the environment of the sealing plate.
  • the sealing disks 11 and 13 each have at least one opening in fluid communication with the slots which do not intersect the edge of the sealing plates. About these openings so a self-contained system of slots can be reached. For example, in each case an opening can be provided, which penetrates the sealing disks perpendicular to the image plane of Figure 4 and which is arranged at the intersection of the transverse and longitudinal central axes.
  • sealing elements of the type mentioned here are used.
  • grooves are introduced into the outer and inner parts or in the ends of the associated wing, which receive the sealing elements.
  • the depth of the grooves is selected so that the protruding from the groove longitudinal edge of the sealing element comes into sealing contact with a surface of the opposite part.
  • a sealing element in the inner part thus touches the inner surface of the outer part, while a sealing element in the outer part sealingly contacts the outer surface of the inner part. In order to effect an optimum sealing effect, a corresponding contact pressure on the longitudinal edges of the sealing elements is ensured.
  • wing projections On the inside of the outer part and on the outside of the inner part also referred to as wing projections may be provided, at the ends of the sealing elements are used.
  • the Volume of the working chamber is thus determined not only by the radially projecting from the outer or inner part region of the respective sealing element.
  • sealing plates of a sealing element are point-symmetrical and so formed that in adjacent sealing plates existing slots that are in fluid communication with the edge region of a sealing plate, are not aligned, a penetrated into the gap medium can not penetrate the sealing element.
  • the sealing effect of a sealing element can be improved by at least one sealing disc. It is possible to provide at least one sealing disc between the sealing plates. Vorzugswei- se, the sealing elements are formed so that the sealing plates lie between two sealing disks, which form the boundary wall of a sealing element, seen in the longitudinal direction.
  • Figure 1 shows a quasi-plan view of a sealing element, as it is used directly in an outer part or inner part, or, as described above, in a wing emanating from the outer part or inner part.
  • the sealing element extends in the longitudinal direction of the outer or inner part.
  • it lies on an inner surface of the inner part, starting from the inner surface of the outer part, or starting from an inner surface of the inner part on the outer surface of the outer part.
  • the inner or outer surface of the inner or outer part are curved, preferably circular-arc-shaped, wherein the sealing elements have to adapt with their side facing the viewer in Figure 1 longitudinal side to the contour of the outer or inner surface.
  • a plurality of juxtaposed sealing plates are provided, the lying more in the middle of a sealing element sealing plates, relative to further outward displaced so that the viewer facing the longitudinal side of the sealing element to the contour of the whatsoever. Can adjust longitudinal side.
  • the schematic diagram according to FIG. 6 shows, in cross-section, a sealing element 1 which has a plurality of thin sealing plates 3, 5 adjacent to one another.
  • Right and left of the sealing plate package sealing washers 11 and 13 are provided. These are here for example mounted on the outside of the inner part. Because the sealing plates between the sealing discs 11 and 13 are arranged to be movable in the radial direction, they can create the inner contour of the outer part. The voltage applied to the sealing plates 11 and 13 sealing plates are thus radially further inward than lying at a distance from the sealing discs 11 and 13 sealing plates. The radially different arrangement of the sealing plates is of course not apparent from the plan view of Figure 1.
  • sealing plates In order to improve the sealing effect of the sealing element, as thin as possible sealing plates are taken, whose thickness is for example 0.4 to 0.5 mm. Since the sealing plates, at least in the area of contact with the inner surface of the outer surface and the outer surface of the inner part, comprise metal, preferably consisting entirely of metal, the contact regions are relatively wear-resistant. The longitudinal edges of the thin sealing plates are in each case sealingly against the outer or inner surfaces.
  • slots can be provided which are open to the outside, ie cut the edge of a sealing plate, so that a pressurized medium can penetrate into these slots.
  • the sealing plates expand longitudinally due to the transverse slots 55, 57, 59 and 60 and 55 ', 57', 59 'and 60' - Through the longitudinal slots 61, 63 and 61 ', 63' in the transverse direction. They therefore lie down under the action of the medium penetrating into the slots over the edge of the sealing plates with their narrow sides. th and with their long sides to the surfaces to be sealed.
  • the upper edge of the sealing element applies, for example, to the inner surface of the outer part o- the outer surface of the inner part, while the lower edge is supported in a groove and sealingly there, which receives the sealing element.
  • sealing element is particularly preferred in which the sealing plates have both slots which are open towards the outside and slots which are closed on the outside.
  • sealing elements which do not cut the edge of a sealing plate and which are not slotted in Make sure that the slits that are closed to the outside are exposed to the medium under pressure.
  • the sealing elements have at least two sealing disks, each having at least one, explained in more detail below opening, wherein the sealing plates are arranged between the sealing discs.
  • the slots provided in a sealing plate which are in communication with the edge of a sealing plate, laterally closed, so that the pressurized medium can pass exclusively through the openings leading to the slots in the edge of the sealing plates.
  • the internal slots which are not in fluid communication with the edge of the sealing plate, are supplied with the pressurized fluid through the at least one opening in the sealing discs.
  • the opening should be kept small to minimize cross leakage.
  • the medium reaches the existing in the sealing disc opening and further through the opening in the sealing disc in the at least one longitudinal and / or transverse slot, which is not in fluid communication with the edge of the sealing element 1.
  • the medium can thus pass through all sealing plates through to the opposite sealing disc. There, however, it can not escape from the existing here opening, because the sealing disc is pressed with a high pressure against the associated boundary wall of the groove, whereby the opening is closed.
  • the medium under pressure also causes the perpendicular to the longitudinal slot 65 extending transverse slots 67, 69, 71, 72, 69 ', 71' and 72 'expand, so that the substantially rectangular sealing element 3 also in the longitudinal direction expands, so that its narrow sides show an increased contact pressure and sealing effect.
  • the medium passes via the longitudinal or narrow sides thereof via the openings 15, 17, 19, 20, 15 ', 17', 19 ', 20' and 39, 41 and 39 ', 41' in the transverse slots 55, 57, 59, 60, 55 ', 57', 59 ', 60' and longitudinal slots 61, 63 and 61 'and 63'.
  • the longitudinal and transverse slots are widened and the sealing element 3 widens both in the longitudinal direction and in the transverse direction.
  • the longitudinal edges of the sealing element would, if only pressure in the longitudinal slots 61, 63, 61 ', 63' introduced, concave outwardly curved, that is displaced furthest in the areas to the outside of the longitudinal center axis LM, which are furthest away from the transverse center axis QM.
  • the expansion properties of the sealing element are influenced by the number of longitudinal and / or transverse slots which open in the region of the edge of the sealing plate and are influenced by the number of longitudinal and / or transverse slots which run in the interior of the sealing element can.
  • the sealing elements are preferably made of metal and the sealing disks are preferably made of an elastic material, in particular plastic. Particularly preferred is PTFE (polytetrafluoroethylene).
  • sealing plates per sealing element can be adapted to the particular case of use. It is also possible to provide sealing elements with a sealing disc which is arranged between two sealing plates. If this is the only gasket of a Sealing element is, this must not have a through hole. The inner longitudinal and transverse slots of the sealing plates are then each fed by the forming between a sealing plate and the boundary wall of a groove gap with the pressurized medium.
  • sealing element which has been described with reference to Figures 1 to 5, and having a number of adjacent sealing plates and two laterally arranged sealing discs.
  • sealing elements with sealing plates which have no inside, closed outward slots
  • a sealing washer provided that the associated with the edge of a sealing plate transverse and longitudinal slots are arranged so that slots in adjacent panels do not overlap.
  • the slots are formed point-symmetrical, identical sealing plates can be used, which are each placed in alternating orientation to each other.
  • a package of such sealing plates is practically impermeable perpendicular to the image plane because the slots which are connected to the edge of the sealing plate are covered by adjacent sealing plates.
  • sealing elements with sealing plates which not only have outwardly open slots but also outwardly closed slots in order to be able to compensate for a superposition of a concave and convex widening of at least the longitudinal edges of the sealing plates. Since the NEN lying slots are formed symmetrically, they would leave a pressurized medium through a package of sealing plates pass through. This must then be avoided by the above-described at least one sealing washer.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Sealing Devices (AREA)
  • Rotary Pumps (AREA)

Abstract

L'invention concerne un dispositif d'étanchéité destiné à un moteur oscillant présentant une partie extérieure et une partie intérieure, ainsi qu'au moins une chambre de travail située entre ces parties. Ce dispositif assure l'étanchéité de la chambre de travail et comprend au moins deux éléments d'étanchéité rectangulaires placés chacun dans une rainure qui est formée dans la partie extérieure et/ou la partie intérieure et qui s'étend sensiblement parallèlement à l'axe d'oscillation du moteur oscillant, chaque élément d'étanchéité comprenant au moins une plaque d'étanchéité rectangulaire et au moins un disque d'étanchéité.
EP07819812A 2006-12-01 2007-11-15 Dispositif d'étanchéité Withdrawn EP2089610A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006058235 2006-12-01
DE102007028679 2007-06-21
PCT/EP2007/009856 WO2008064772A1 (fr) 2006-12-01 2007-11-15 Dispositif d'étanchéité

Publications (1)

Publication Number Publication Date
EP2089610A1 true EP2089610A1 (fr) 2009-08-19

Family

ID=38962711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07819812A Withdrawn EP2089610A1 (fr) 2006-12-01 2007-11-15 Dispositif d'étanchéité

Country Status (6)

Country Link
US (1) US8281706B2 (fr)
EP (1) EP2089610A1 (fr)
JP (1) JP5199271B2 (fr)
CN (1) CN101874148B (fr)
DE (1) DE112007002852A5 (fr)
WO (1) WO2008064772A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337815C1 (de) 1993-11-05 1995-02-16 Fichtel & Sachs Ag Schwenkmotor
DE4339527C1 (de) 1993-11-19 1995-02-16 Freudenberg Carl Fa Dichtungsanordnung
CN2284283Y (zh) * 1997-04-04 1998-06-17 丁永良 一种车用外摆门控制装置
DE19918665B4 (de) * 1999-04-24 2008-01-31 Bayerische Motoren Werke Ag Hydraulischer Schwenkmotor, insbesondere als Servomotor für Kfz
DE19926644C1 (de) 1999-06-11 2000-08-24 Freudenberg Carl Fa Dichtungsanordnung
DE19927623A1 (de) 1999-06-17 2000-12-21 Bayerische Motoren Werke Ag Schwenkmotor mit Dichtungsanordnungen
DE19961239C2 (de) 1999-12-18 2002-09-19 Freudenberg Carl Kg Dichtungsanordnung
DE10021138A1 (de) 2000-04-29 2001-10-31 Bayerische Motoren Werke Ag Dichtungselement für einen Schwenkmotor
DE10243696B3 (de) * 2002-09-20 2004-03-11 Zf Sachs Ag Schwenkmotor
DE10243697A1 (de) 2002-09-20 2004-01-08 Zf Sachs Ag Schwenkmotor
JP2005264993A (ja) * 2004-03-17 2005-09-29 Kayaba Ind Co Ltd 油圧揺動型アクチュエータのシール構造
JP2006264993A (ja) 2005-03-22 2006-10-05 Sumitomo Bakelite Co Ltd 炭素材の製造方法、炭素材、二次電池用負極材、非水電解質二次電池

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008064772A1 *

Also Published As

Publication number Publication date
JP5199271B2 (ja) 2013-05-15
CN101874148A (zh) 2010-10-27
CN101874148B (zh) 2013-04-10
US20100077917A1 (en) 2010-04-01
JP2010511132A (ja) 2010-04-08
WO2008064772A1 (fr) 2008-06-05
DE112007002852A5 (de) 2010-01-28
US8281706B2 (en) 2012-10-09

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