WO2008064773A1 - Dichtungseinrichtung - Google Patents
Dichtungseinrichtung Download PDFInfo
- Publication number
- WO2008064773A1 WO2008064773A1 PCT/EP2007/009858 EP2007009858W WO2008064773A1 WO 2008064773 A1 WO2008064773 A1 WO 2008064773A1 EP 2007009858 W EP2007009858 W EP 2007009858W WO 2008064773 A1 WO2008064773 A1 WO 2008064773A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing
- frame
- sealing frame
- strips
- longitudinal
- Prior art date
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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
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 199 26 644 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 the sealing device. 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.
- the object of the invention is therefore to provide a sealing device which avoids this disadvantage.
- a sealing device which comprises the features mentioned in claim 1. It is used in a swivel motor comprising an outer and an inner part and at least one intermediate working chamber. This is sealed by the sealing device.
- a sealing element of the sealing device is introduced in the outer and / or inner part extending grooves are provided in the direction of the Schwenkach- se of the rotary motor, in each of which a sealing element of the sealing device is introduced.
- the outer part has, for example, on its inside two perpendicular to the pivot axis of the pivot motor arranged and extending parallel to this sealing elements, which bear sealingly on the outer surface of the concentric to the outer part arranged inner part.
- a radial to Pivoting axis provided outwardly projecting sealing element, which is arranged between the sealing elements of the outer part and sealingly engages with the inner surface of the outer part.
- the two sealing elements on the outer part define a working chamber in which the sealing element of the inner part lies.
- the areas of the working chamber are sealed on the outside of each of their longitudinal sides by means of the sealing elements which are provided on the outer part and the inside by the sealing element of the inner part. If a swivel motor of the type mentioned here has two or more work chambers, these are likewise separated from one another by sealing elements of the type mentioned here.
- the sealing element of the inner part By applying pressure to the regions of the working chamber, the sealing element of the inner part is moved within the working chamber, so that a relative rotation of the inner part relative to the outer part is effected.
- the outer or inner part is held and the other part performs a relative rotation, or whether both parts, the outer and inner part, rotate in opposite directions.
- the sealing elements are not inserted directly into the inner surface of the outer part and into the outer surface of the inner part. Rather, the outer and the inner part have wings, in the ends of which grooves for receiving the sealing elements are introduced.
- the sealing elements each have at least one sealing frame and an elastic sealing core inserted in the sealing frame, which widens the sealing frame so that its longitudinal side rests on the one hand on the base of the groove receiving the sealing element and on the other hand against a sealing surface opposite the groove.
- the sealing elements are not just one, but each with at least two sealing frames configured, between which at least one also referred to as a sealing washer intermediate disc is arranged, which ensures that the medium present in the working chamber, usually hydraulic oil, can not pass through the sealing element ment.
- the at least one sealing frame of each sealing element is designed so that it applies not only with its longitudinal but also with its narrow side to corresponding sealing surfaces.
- Each sealing frame has at least two frame parts, each comprising at least two sealing strips.
- the sealing frames are thus composed of two parts, the sealing strips. These comprise a longitudinal section extending over the longitudinal side of the sealing frame, and in addition at least one transverse section extending therefrom. It is provided that it is ensured by this transverse section that the sealing frame has an optimum sealing effect in the region of its narrow side. It can be provided that a transverse section of a sealing strip extends over the entire narrow side of the sealing frame. In this case can be omitted on the opposite side of the sealing strip of the transverse section.
- a transverse section extends for example over 70% of the narrow side of the sealing frame, it is provided for sealing in the region of the narrow side that the opposite transverse section extends over 30% of the length of the narrow side.
- the frame parts of a sealing frame are preferably formed the same. Thus, if a sealing strip on one side has a transverse section extending over the entire narrow side of the sealing frame, then the transverse section on the opposite side is omitted. If, in the case of a sealing strip, it is provided that the one transverse section extends over 60% of the narrow side, then on the opposite side shorter side of the cross section and extends accordingly only over 40% of the narrow side.
- the frame parts of a sealing frame are preferably point-symmetrically offset from one another, so that a narrow side of a sealing frame is sealed by the transverse section of the first sealing strip and by the transverse section of the second sealing strip.
- the frame parts of a sealing frame are arranged opposite to each other.
- this division ratio is exactly opposite in the other frame part. This ensures that the contact areas of two frame parts are not aligned with each other. This contributes to the fact that the medium present in the working chamber can not easily pass through a sealing element.
- the contact areas of two sealing strips of a sealing frame can run at an angle or parallel to a longitudinal central axis of the sealing frame.
- At least one, preferably all, sealing strips comprise metal, in particular where they touch a sealing surface movable relative to the sealing element.
- the sealing strips are made of metal. This reduces the wear of the sealing device.
- the sealing core is made of rubber, because this material has optimum elastic properties, due to which the sealing strips in both longitudinal direction of a sealing element as well as be pressed apart transversely thereto.
- the sealing core at least where it comes into engagement with the contact areas of the sealing strips, provided with a protective device, which is preferably designed as a protective cap. Under high pressure, the sealing core can be extruded into the slot when the sealing frame widens, which results in the contact area between two sealing strips.
- a protective device which is preferably designed as a protective cap.
- FIG. 1 shows an exploded view of a first embodiment of a sealing element of a sealing device
- Figure 2 is an exploded view of a second embodiment of a sealing element of a sealing device
- FIG. 3 is a side view of the sealing element shown in FIG. 1;
- FIG. 4 shows an end face of a sealing element
- Figure 5 is a longitudinal section along the line V-V in Figure 4.
- FIG. 6 shows a greatly enlarged detail view of the sealing element according to FIG. 1
- FIG. 7 shows a greatly enlarged detail view of the sealing element according to FIG. 2;
- Figure 8 is a partial perspective view of a modified embodiment of a sealing core
- Figure 9 is an end view of another embodiment of a sealing element.
- Figure 1 shows a part of a sealing device, namely a first embodiment of a sealing element 1 with two sealing frames 3 and 5. Between these, an intermediate disc 7 is arranged.
- the sealing frame 3 and 5 and the intermediate disc 7 enclose a free space which is filled by an elastic sealing core 9.
- the sealing frame 3 has a first sealing strip 31 and a second sealing strip 33. These are identical.
- the first sealing strip has a longitudinal section 31 L and a transverse section 31 Q.
- the longitudinal section 31 L extends over the longitudinal direction of the substantially rectangular sealing frame 3, the transverse section 31 Q over the narrow side of the sealing frame 3, that is perpendicular to the longitudinal side.
- the second sealing strip 33 is arranged opposite to the first sealing strip 31. It therefore has a transverse section 33Q, which runs opposite to the transverse section 31 Q of the first sealing strip 31. Accordingly, the second sealing strip 33 has a longitudinal section 33L extending in the longitudinal direction of the sealing element 1 and parallel to the longitudinal section 31 L of the first sealing strip 31. running.
- the first exemplary embodiment of the sealing element 1 according to FIG. 1 is characterized in that the transverse section 31 Q of the first sealing strip 31 and the transverse section 33Q of the second sealing strip 33 in each case provide for a seal in the region of the narrow side of the sealing frame 3.
- the contact region 3B1 extends just like the second contact region 3B2 at an angle to the longitudinal central axis LM of the sealing frame 3. Because of this design of the contact regions 3B1 and 3B2, it is possible that the transverse sections 31Q and 33Q extend over the entire height of the narrow side of the Sealing frame 3 can extend.
- the second sealing frame 5 is constructed identically as the sealing frame 3, so reference is made to the preceding description. He therefore has a first sealing strip 51 and a second sealing strip 53.
- the first sealing strip 51 has a longitudinal section 51 L and a transverse section 51 Q.
- the second sealing strip 53 is provided with a longitudinal section 53L and a transverse section 53Q.
- Touch areas 5B1 and 5B2 which in turn form an angle to a longitudinal central axis LM of the sealing frame 5, result between the two sealing strips, so that the transverse sections 51 Q and 53Q also extend over the entire narrow side of the sealing frame 5.
- sealing frame 5 is arranged offset relative to the sealing frame 3.
- the sealing frame 5 is lent around a perpendicular to the longitudinal center axis LM standing imaginary axis rotated by 180 ° relative to the sealing frame 3.
- the contact area 3B1 in the assembled state of the sealing element 1 does not coincide with the contact area 5B1.
- This arrangement of the sealing frame 3 and 5 causes the composite sealing element 1 transverse to its longitudinal extent not so easily be penetrated by a medium in a working space a swivel motor.
- the intermediate disc 7 which consists of an elastic material and the contact areas 3B1 and 5B1 and corresponding to 3B2 and 5B2 seals against each other.
- the sealing core 9 presses the sealing strips 31 and 33 of the sealing frame 3 and the sealing strips 51 and 53 of the sealing frame 5 both in the direction of the longitudinal center axes LM and transverse thereto, so that the sealing strips 31, 33 and 51, 53 both in the region of their longitudinal sections 31 L and 33L, as well as in the region of their transverse sections 33Q and 53Q ensure optimum sealing of a working space of a slewing motor.
- FIG. 2 shows a modified embodiment of a sealing element 1.
- the same parts are provided with the same reference numerals, so that reference is made to the comments on Figure 1.
- the modified embodiment of the sealing element is constructed virtually identical. The only difference lies in the following:
- the transverse sections 31 Q and 33Q of the first sealing frame 3 and 51 Q and 53Q of the second sealing frame 5 are shorter than the corresponding transverse sections in the first embodiment.
- the length of the transverse sections is selected so that they together seal the narrow side of a sealing frame 3.
- the first sealing strip 31 of the sealing frame 3 thus has a longitudinal section 31 L and left a first transverse section 31 Q, also right a transverse section 31 Q '.
- the length of the transverse sections 31 Q and 33Q is selected so that they extend together over the entire height of a narrow side of the sealing frame 3.
- the second sealing strip 33 is offset in relation to the first sealing strip 31 so that its transverse section 33Q spans the narrow side of the sealing frame 3 together with the transverse section 31 Q and the right transverse section 33Q 'of the second sealing strip 33 together with the right-hand transverse section 31 Q'. the first sealing strip 31 over the right narrow side of the sealing frame 3 span.
- the left transverse section 31 Q of the first sealing strip 31 extends over the entire narrow side of the sealing frame. On the right side of the transverse section of the first sealing strip 31 was reduced to zero.
- the left transverse section 31 Q of the first sealing strip 31 extends over two thirds of the narrow side of the sealing frame 3, while the left transverse section 33Q of the second sealing strip 33 spans approximately one third of the narrow side of the sealing frame 3.
- the aspect ratios are reversed: the right transverse section 31 Q 'of the sealing strip 31 extends during the right cross section 33Q 1 of the sealing strip 33 extends over a third of the narrow side of the sealing frame 33, approximately over two thirds of the narrow side.
- FIG. 2 shows that, as in the exemplary embodiment according to FIG. 1, the second sealing strip 33 is arranged reversely, like the first sealing strip 31, so that in each case a short transverse section of a sealing strip cooperates with a longer transverse section of the other sealing strip.
- FIG. 2 also shows that the contact regions 3B1 and 3B2 are aligned substantially parallel to the longitudinal central axis LM of the sealing frame 3.
- the second sealing frame 5 is in turn rotated by 180 ° relative to the first sealing frame 3, so that the contact region 5B1 present here does not overlap with the contact region 3B1 and correspondingly the second contact region 5B2 does not overlap in the assembled state of the sealing element 1 the contact region 3B2 of the first sealing frame 3 is located.
- a medium present in the working space of the swivel motor can not readily pass transversely through the composite sealing element 1.
- an elastic washer 7 is also provided here, which is the contact Seals areas and thus closes the sealing element 1 against cross flows.
- FIG. 3 shows a side view of the sealing element 1 according to FIG. 1.
- Solid lines show the contact regions 5B1 and 5B2 running at an angle to the longitudinal center axis LM, the contact regions 3B1 and 3B2 with dashed lines. It is thus clear that the contact areas are arranged so that a medium can not pass through the sealing element in a direction which is perpendicular to the image plane of Figure 3.
- the plan view of the sealing element 1 again clearly shows that this is substantially rectangular, wherein the longitudinal extent is substantially greater than the transverse extent.
- the longitudinal extent depends on the length of the working space within the pivoting motor and the transverse extent perpendicular to the longitudinal center axis LM according to how deep the groove of the receiving element 1 is formed and how large the sealing gap to be covered is.
- FIG. 4 shows a plan view of the narrow side of the sealing element 1 shown in FIG. 1.
- the two sealing frames 3 and 5 and the intermediate disk 7 are clearly visible. It can be seen here that the sealing frames 3 and 5 are substantially thicker than the intermediate disk 7
- the thickness of the sealing frame and washer is adapted to the particular case of use, whereby it is to be noted that thinner sealing frames provide better sealing against curved contact surfaces than thicker ones.
- a sealing element 1 also has more than two sealing elements. may have. It is also possible to provide one or more washers of the type discussed here per sealing element 1.
- the sealing frame 3 are made of metal. It would suffice if the longitudinal sections 31 L and 51 L had a metallic area, because this comes into contact with a moving mating surface, which serves for sealing by the sealing element 1. A wear of this kind does not appear at the bottom of the groove in which the sealing element 1 is accommodated, since this is not moved relative to the ground.
- FIG. 5 shows the sealing element according to FIG. 1 in longitudinal section along the line V-V shown in FIG.
- the sealing core 9 The upper left corner of the cross section 31 Q is shown in section, top right of the transverse section 33Q. Accordingly, the lower section 53Q is shown at the lower left and the transverse section 51 Q at the lower right is shown in section.
- FIG. 6 shows greatly enlarged the right end of the sealing element 1 shown in FIG. 3.
- the sealing core 9, the transverse section 51 Q and the longitudinal section 53L can be clearly seen.
- a solid double line of the contact area 5B2 is indicated.
- Above is indicated by a dashed double line of the contact area 3B2, which is apparent from Figure 1.
- FIG. 7 shows the right end of the second exemplary embodiment of a sealing element explained in FIG.
- the right transverse section 51 Q 'of the first sealing strip 51 and the right transverse section 53Q' of the second sealing strip 53 are shown here.
- the contact area 5B2 is shown.
- a dashed double line marks the contact area 3B2.
- the sealing core 9 which is clamped between the sealing strips of the sealing frame, expands or is extruded into the resulting gap when the contact regions 3B1, 3B2 and 5B1 and 5B2 widen.
- the sealing core 9 is thus subject to the contact areas of the sealing frame increased wear.
- FIG. 8 shows the right-hand part of the sealing element 1 according to FIG. 1 in an exploded view. All parts are unchanged except for the sealing core 9 with respect to Figure 1, so reference is made to the description of Figure 1.
- the sealing core 9 has, in the region of its right-hand end side, a protective device 11 which can be designed so that the sealing core 9 is protected against extrusion only in the contact region 3B2 or 5B2.
- the protective device 11 is formed as a protective cap 13 which surrounds the end face of the sealing core 9, here is U-shaped. In this way, the sealing core 9 is prevented from being extruded into the contact areas 3B1, 3B2, 5B1 and 5B2 and thus damaged.
- the sealing element 1 is in operation during operation of the swivel motor in a groove and touches with its emerging from the groove area a counter surface on which a seal is to take place. Depending on the direction of rotation of the swing motor, the sealing element is pressurized once from one side and once from the other side with pressure. In all cases, the longitudinal sections 31 L and 33 L and 51 L and 53 L must ensure a secure seal. Therefore, the sealing strips 31, 33 and 51, 53 perpendicular to the longitudinal central axis LM against each other movable so that more or less wide slots result in the contact areas 3B1, 3B2, 5B1 and 5B2.
- the elastic sealing core 9 ensures that the medium in the working space can not pass transversely through the sealing element 1.
- the sealing effect in the region of the sealing frames 3 and 5 is ensured by the offset contact areas and by the intermediate disk 7.
- the sealing element shown in Figure 1 also allows a relative movement of the sealing strips 31 and 33 in the longitudinal direction, so that the sealing element 1 even then seals when the contact surfaces for the sealing element 1 in the direction of the longitudinal center axis LM at a high pressure something apart.
- the second exemplary embodiment according to FIG. 2 can at least partially seal off portions of the narrow sides of the sealing element 1 even if the contact surfaces for the sealing element 1 move apart somewhat in the direction of the longitudinal central axis LM.
- a swing motor of the type mentioned here has an outer part in which an inner part is arranged concentrically.
- the attached on the inner surface of the outer part sealing elements are -in Seen circumferentially arranged at a distance from each other and touch the outer surface of the inner part, so that a working chamber is delimited.
- a sealing element which arises from the outer surface of the inner part of the pivot motor.
- wings are provided on the inside of the outer part and the outer side of the inner part, at the ends of which grooves for receiving the sealing elements are present.
- a sealing element has a central intermediate disk 7, also referred to as a sealing disk, and a sealing frame 3, 5 is provided on each side.
- the sealing elements extend in the longitudinal direction of the pivoting motor, ie parallel to its pivot axis, and cooperate with their longitudinal sides with curved sealing surfaces, which are formed on the one hand by the inner surface of the outer part, on the other hand by the outer surface of the inner part.
- more than one sealing frame can be provided on both sides of the intermediate disc 7.
- FIG. 9 wherein this representation, like FIG. 4, reproduces an end face of the exemplary embodiment of this sealing element.
- the same parts are provided with the same reference numerals, so that reference is made to the description of the preceding figures.
- the sealing frames are like those shown in FIG. configured embodiment and realized quasi L-shaped. In the front view according to Figure 9, the different long transverse sections of the sealing frame can be seen. The following becomes clear:
- the upper sealing strip 31/1 comprises a short transverse section 31/1 Q.
- a sealing strip 33/1 can be seen in the sealing frame 3/1, whose transverse section 33/1 Q is longer than the transverse section 31/1 Q of the upper sealing strip 31/1.
- the contact area 3/1 B2 of the sealing frame 3/1 is thus above a center line of the sealing element.
- the sealing frame 3/1 is designed differently: At the top, the longitudinal section of the upper sealing strip 31/1 is longer than that of the lower sealing strip 33/1.
- the third sealing frame 3/3 is identical and arranged as the first sealing frame 3/1.
- the second and fourth sealing frame 3/2 and 3/4 is arranged in reverse.
- the viewer faces a side edge of the sealing frame 3/2, which faces away from the observer in the case of the sealing frame 3/1 and 3/3 in FIG.
- the fourth sealing frame 3/4 is arranged in the same way as the sealing frame 3/2.
- the sealing frame 5/1 to 5/4 are arranged accordingly. However, it is clear that these are arranged point-symmetrical to the sealing frame 3/1 to 3/4.
- the contact area 5/1 B2 lies below the center line of the sealing element, so that this contact area does not align with the contact area 3/1 B2 of the first sealing frame 3/1 to the right of the intermediate disk 7th
- the contact areas of the further sealing frame 5/2 to 5/4 are again arranged offset, as explained with reference to the right of the washer 7 lying sealing frame 3/1 to 3/4.
- the multiplicity of the sealing frames of the sealing element 1 shown in FIG. 9 mean that they can make better contact with their longitudinal edges against a curved sealing surface of an associated outer part or inner part of the pivoting motor.
- the number of sealing frames and their thickness is adapted to the prevailing in the swing motor pressure conditions. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sealing Devices (AREA)
- Motor Or Generator Frames (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007002885T DE112007002885A5 (de) | 2006-12-01 | 2007-11-15 | Dichtungseinrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006057678 | 2006-12-01 | ||
DE102006057678.0 | 2006-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008064773A1 true WO2008064773A1 (de) | 2008-06-05 |
WO2008064773A8 WO2008064773A8 (de) | 2008-12-18 |
Family
ID=38954395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/009858 WO2008064773A1 (de) | 2006-12-01 | 2007-11-15 | Dichtungseinrichtung |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112007002885A5 (de) |
WO (1) | WO2008064773A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2110584A3 (de) * | 2008-04-14 | 2011-11-30 | ZF Friedrichshafen AG | Scheibendichtung, insbesondere für einen Schwenkmotor |
DE102014218930A1 (de) | 2013-11-15 | 2015-05-21 | Zf Friedrichshafen Ag | Dichtungselement für einen Schwenkmotor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937130A (en) * | 1974-11-04 | 1976-02-10 | Abex Corporation | Low friction seal assembly |
DE2544662A1 (de) * | 1975-10-06 | 1977-04-14 | Bekama Ag | Dichtungseinrichtung |
EP0952308A1 (de) * | 1998-04-22 | 1999-10-27 | Isocomp Limited | Flüssigkeitsabgedichteter Pendelflügel-Oszillator |
DE19926644C1 (de) * | 1999-06-11 | 2000-08-24 | Freudenberg Carl Fa | Dichtungsanordnung |
DE19935234C1 (de) * | 1999-07-28 | 2000-11-09 | Mannesmann Sachs Ag | Dichtungsleiste |
-
2007
- 2007-11-15 DE DE112007002885T patent/DE112007002885A5/de not_active Withdrawn
- 2007-11-15 WO PCT/EP2007/009858 patent/WO2008064773A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937130A (en) * | 1974-11-04 | 1976-02-10 | Abex Corporation | Low friction seal assembly |
DE2544662A1 (de) * | 1975-10-06 | 1977-04-14 | Bekama Ag | Dichtungseinrichtung |
EP0952308A1 (de) * | 1998-04-22 | 1999-10-27 | Isocomp Limited | Flüssigkeitsabgedichteter Pendelflügel-Oszillator |
DE19926644C1 (de) * | 1999-06-11 | 2000-08-24 | Freudenberg Carl Fa | Dichtungsanordnung |
DE19935234C1 (de) * | 1999-07-28 | 2000-11-09 | Mannesmann Sachs Ag | Dichtungsleiste |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2110584A3 (de) * | 2008-04-14 | 2011-11-30 | ZF Friedrichshafen AG | Scheibendichtung, insbesondere für einen Schwenkmotor |
DE102014218930A1 (de) | 2013-11-15 | 2015-05-21 | Zf Friedrichshafen Ag | Dichtungselement für einen Schwenkmotor |
Also Published As
Publication number | Publication date |
---|---|
DE112007002885A5 (de) | 2009-10-15 |
WO2008064773A8 (de) | 2008-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3828692C2 (de) | ||
DE10023541C2 (de) | Isolierglasscheibe mit Einzelscheiben und mit einem Abstandhalterprofil | |
EP1554455A1 (de) | Abstandhalter für scheiben von mehrfachisoliergläsern | |
EP2551438B1 (de) | Steckverbinder | |
EP0569986A1 (de) | Verbindung für winklig aneinanderstossende Hohlprofilstäbe | |
DE102004037356B4 (de) | Wandstruktur zur Begrenzung eines Heißgaspfads | |
DE102017212009A1 (de) | Zugentlastungstülle | |
EP2136963B1 (de) | Gliederschürze | |
DE2431217A1 (de) | Dichtungsanordnung | |
DE3040038C2 (de) | Mehrscheiben-Isolierglaseinheit mit in den Eckwinkeln des Distanzrahmens befindlichen Gaseinfüllbohrungen | |
DE2424225B2 (de) | Mehrscheibenisolierglas | |
WO2008064773A1 (de) | Dichtungseinrichtung | |
EP0921260B1 (de) | Profilleiste für Abstandhalter für Isolierglasscheiben und Isolierglasscheibe | |
EP0656462B1 (de) | Dichtungsanordnung | |
DD270560A5 (de) | Traeger fuer fensterrahmen | |
DE2633443A1 (de) | Schieberventil | |
DE2810630C3 (de) | Verbundprofil | |
DE10358519A1 (de) | Dichtungselement für Schwenkmotor | |
DE2203237A1 (de) | Zusammengesetztes waermeisolierendes profil fuer fensterrahmen, tuerrahmen oder dgl | |
AT518469B1 (de) | Dichtung und Fensterelement | |
WO2000028157A1 (de) | Verbindungselement für spundbohlen | |
DE2739897A1 (de) | Ventilfaenger fuer ein verdichterdruckventil | |
EP3619447A1 (de) | Flanschdichtungssystem und montageverfahren | |
EP2775031B1 (de) | Steinelement zur Erstellung von mehrzeiligen Rinnen, Pflasterstreifen | |
WO2008064772A1 (de) | Dichtungseinrichtung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07819814 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1120070028858 Country of ref document: DE |
|
REF | Corresponds to |
Ref document number: 112007002885 Country of ref document: DE Date of ref document: 20091015 Kind code of ref document: P |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07819814 Country of ref document: EP Kind code of ref document: A1 |