EP2186982A2 - Actionnement de porte - Google Patents

Actionnement de porte Download PDF

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Publication number
EP2186982A2
EP2186982A2 EP09014393A EP09014393A EP2186982A2 EP 2186982 A2 EP2186982 A2 EP 2186982A2 EP 09014393 A EP09014393 A EP 09014393A EP 09014393 A EP09014393 A EP 09014393A EP 2186982 A2 EP2186982 A2 EP 2186982A2
Authority
EP
European Patent Office
Prior art keywords
filter
piston
door
pressure chamber
housing
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
EP09014393A
Other languages
German (de)
English (en)
Other versions
EP2186982A3 (fr
EP2186982B1 (fr
Inventor
Thomas Wildförster
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.)
Dorma Deutschland GmbH
Original Assignee
Dorma Deutschland 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 Dorma Deutschland GmbH filed Critical Dorma Deutschland GmbH
Publication of EP2186982A2 publication Critical patent/EP2186982A2/fr
Publication of EP2186982A3 publication Critical patent/EP2186982A3/fr
Application granted granted Critical
Publication of EP2186982B1 publication Critical patent/EP2186982B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/12—Sealing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/28—Form or shape tubular, annular
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to a door operator for opening and / or closing a door with a closer shaft which can be coupled to the door, with at least one piston, which is in operative connection with the closer shaft and is movable within a housing, at least a first and a second pressure chamber , which are separated by the piston and filled with a damping medium, a channel arrangement, within which the damping medium between the first and the second pressure chamber in response to the movement of the piston is flowable, a throttle valve which is provided within the channel assembly to the To dampen movement of the piston, and at least one filter that protects the throttle valve from any contamination.
  • a generic door operator is in the DE 20 2008 005 721 U1 described. It has disadvantageously been shown that the damping medium, in particular a hydraulic oil, can contaminate. This contamination can be caused for example by abrasion on the running surfaces of the piston. This contamination can be deposited on the throttle valve, in particular at the throttle gap, whereby the degree of damping as well as the closing speed of the door can be changed in an uncontrollable manner.
  • the damping medium in particular a hydraulic oil
  • a door actuator in which a filter device is provided within the housing between the piston and the channel in which the throttle valve is arranged.
  • the object of the present invention is to develop a door operator of the type mentioned, whereby a more compact overall arrangement of the door operator is achieved and at the same time the functionality, in particular a reliable filtering is ensured.
  • the invention provides that the filter and the housing form a common fluid channel, through which the damping medium can be flowed in the direction of the throttle valve.
  • a common fluid channel is created solely by the installation of the filter within the housing, which is located between the channel arrangement, in particular the throttle valve and the first or the second pressure chamber.
  • the fluid channel is advantageously located directly on the channel arrangement, so that the flow path between the filter and the throttle valve can be kept low.
  • the piston is spaced from the filter when the door is in an open position.
  • the filter has a construction such that the displaced damping medium is forced in the fluid passage and directed to the throttle valve.
  • the displaced damping medium enters the channel arrangement to the throttle valve and is then transported through the channel arrangement in the second pressure chamber. Any dirt particles within the damping medium can be effective for the throttle valve be kept away, so that the desired damping for the closing movement of the door is always guaranteed.
  • the throttle valve may be adjustable from the outside to adjust the flow rate of the damping medium within the channel assembly can.
  • the door operator according to the invention can be related both to a door closer or a door opener, which has for example a door drive, in particular an electro-hydraulic motor unit.
  • a measure improving the invention provides that the filter rests against the housing, the circulating fluid channel being present between the housing and the filter surface.
  • the filter has an inner space which is open to the first or second pressure chamber and is separated from the circulating fluid channel by the filter surface.
  • the interior serves as a cavity into which further components of the door operator can be installed, whereby a compact overall arrangement can be created.
  • essential components such as valve, piston, piston rod or spring element can be used.
  • the filter is arranged in the first pressure chamber such that the filter is at least partially within the stroke range of the piston.
  • the piston can retract and immerse during its movement within the housing in the filter, whereby the space of the overall arrangement of the door operator can be kept low, in particular further space for additional elements can be created.
  • the free end of the piston, which faces the filter a smaller diameter than the diameter of the interior of the filter. In the open position of the door may be a distance between the free end of the piston and the filter, wherein in a closed position of the door, the free end of the piston is within the interior of the filter of the first pressure chamber.
  • the filter is arranged in the first pressure chamber such that the filter is outside the stroke range of the piston. This means that in an open position of the door, the free end of the piston has a distance from the filter, wherein in a closed position of the door, the free end of the piston always has a distance from the filter, but which is less than the distance that the piston to Filter has in the open position of the door.
  • the filter has a filter surface which circumferentially faces the housing, in particular the housing inner wall.
  • the filter surface is designed like a ring, which is fixed circumferentially on the housing.
  • the housing here represents the cylinder chamber, within which the piston can be moved.
  • the circumferential filter surface of the first pressure chamber is aligned parallel to the direction of movement of the piston.
  • the annular filter surface may in this case be circular, oval, square, rectangular or the like, wherein the geometric shape of the filter surface is adapted according to the geometry of the housing inner wall.
  • the filter is arranged in the first and / or in the second pressure chamber such that during the movement of the piston, a deflection of the flow direction, the damping medium takes place both in the interior of the filter and in the circumferential channel.
  • the damping medium which is displaced by the moving piston, is pressed into the filter of the first pressure chamber and is deflected there radially outward, in a star shape to the circulating filter surface.
  • the damping medium passes through the filter surface in the circumferential fluid channel, within which the damping medium in turn undergoes a deflection in the direct direction along the limiting walls to the throttle valve. From the throttle valve, the damping medium is again guided via the channel arrangement in the second pressure chamber.
  • a deflection of the flow direction of the damping medium takes place both before filtering and after filtering.
  • deflections of the flow direction of the damping medium in the additionally arranged filter of the second pressure chamber are analogous to the just described flow deflections within the filter of the first pressure chamber, but in reverse order.
  • a closure element is attached to the housing, which closes the first pressure chamber to the environment, wherein the filter is rotatably arranged on the closure element is.
  • the closure element can be, for example, a closure plug or a closure screw. It has been shown that the assembly effort can be reduced by integrating the filter on the closure element. Furthermore, the freely rotatably arranged on the closure element filter favors that during assembly of the closure element to the housing virtually no abrasion of the contact surface of the filter with the housing is formed.
  • the screw plug is screwed through a thread on the housing of the door operator, whereby the first pressure chamber is effectively closed from the environment.
  • the filter does not rotate with the screw plug, since the filter already with its contact surface reliably against the inside of the housing positive and / or non-positively.
  • the filter surface is designed as a fabric or a fleece.
  • the filter surface as well as the entire filter can also be designed as a sintered filter.
  • the channel arrangement has a throttle channel which extends between the first and the second pressure chamber.
  • a throttle valve is arranged within the throttle channel.
  • the first part of the throttle passage extends between the circumferential fluid passage of the filter and the throttle valve.
  • the second part of the throttle channel extends from the throttle valve to the second pressure chamber.
  • the filter has a plurality of circumferential channels, which are separated by a filter arranged on the sealing element, wherein at the same time the channel arrangement has a plurality of throttle valves and throttle channels, each circulating fluid channel, a throttle channel individually assigned. If multiple throttle valves are used in the door operator, these throttle valves can be effectively protected from contamination by only a common filter with different circumferential channels and filter surfaces that can be arranged parallel to each other.
  • the channel arrangement can run in the housing and / or in the piston.
  • the damping medium flows during the movement of the piston in the direction of the filter (closing the door), the damping medium from the first pressure chamber through the filter surface in the channel assembly, in particular in the throttle channel to the throttle valve. Subsequently, the displaced damping medium enters a further throttle channel, which opens into the second pressure chamber which is separated from the first pressure chamber by the piston.
  • a movement of the piston takes place in the direction of the second pressure chamber, at the same time the piston is removed from the filter of the first pressure chamber and thus the first pressure chamber increases in volume.
  • the damping medium in the first pressure chamber flows from the second pressure chamber via a channel arrangement, which advantageously extends within the piston, the damping medium in the first pressure chamber.
  • the piston is integrated in a piston system having a first and a second piston which are movable within the housing in response to the closer shaft.
  • the first piston separates the first pressure chamber from the second pressure chamber and the second piston separates the second pressure chamber from a third pressure chamber, the pressure chambers being connected to one another via the channel arrangement.
  • the third pressure chamber may additionally be provided with a filter which corresponds to the filter according to the first or second pressure chamber.
  • a further advantageous embodiment can be achieved in that the door operator is arranged in a door frame or in a door leaf, door leaf, etc. This results in an invisible solution for the user, which fits into any design of a possible interior design.
  • the closer shaft of the door operator can be in operative connection with a door frame or a door leaf, for example via a slide rail linkage or a scissors linkage.
  • a slide rail linkage or a scissors linkage about the linkage of Schurgimomentenverlauf the transmission in dependence on the mounting, z. B. on the tape or Jacobson be influenced.
  • FIG. 1 and FIG. 2 a possible alternative embodiment of a door operator 1 is shown.
  • the door operator 1 has a piston 11 which is linearly movable within a housing 3 along an axis 7.
  • This piston 11 is in operative connection with a closer shaft, not shown, which is rotatable about the axis 6.
  • This shutter shaft is in the embodiments according to FIG. 3 and FIG. 4 shown in detail.
  • the piston 11 in this case separates a first 21 and a second pressure chamber 22, which are both filled with a damping medium 4, a hydraulic oil.
  • the door operator 1 further has a channel arrangement 30, within which the damping medium 4 between the first and the second pressure chamber 21, 22 in response to the movement of the piston 11 can flow.
  • a throttle channel 32 is formed in the housing 3, which connects the first 21 and the second pressure chamber 22 with each other.
  • a throttle valve 31 is arranged within the throttle channel 32.
  • a further channel 33a extends through the piston 11, wherein the channel 33 also connects the first pressure chamber 21 with the second pressure chamber 22.
  • Within the channel 33a is a check valve 34th
  • a closure element 5 is fixed to the housing 3, which closes the first pressure chamber 21 to the environment.
  • a filter 40a is arranged, which protects the throttle valve 31 from any contamination.
  • the filter 40a is provided with a circumferential filter surface 41, which extends at a distance from the housing inner wall 3a.
  • Another filter can also be arranged in the second pressure chamber 22, which explicitly only in the exemplary embodiments according to FIG FIG. 3 and FIG. 4 is indicated.
  • the filter 40b off FIG. 3 and FIG. 4 substantially corresponds to the filter 40a, which according to the embodiment of FIG. 1, FIG. 2 and FIG. 5 is disposed within the first pressure chamber 21.
  • the filter surface 41 is designed like a ring, which means that the filter surface 41 has a lateral surface which serves to filter the damping medium 4.
  • the filter 40a, 40b is applied to the housing 3, in particular to the housing inner wall 3a, wherein a circumferential fluid channel 42 is present between the housing 3 and the filter surface 41.
  • the circumferential fluid passage 42 is simultaneously bounded by two spaced, annular contact surfaces 44 on both sides. These contact surfaces 44 are also part of the filter 40a, 40b.
  • the filter 40 a, 40 b has an inner space 43, which is open to the first 21 and the second pressure chamber 22.
  • the filter surface 41 in this case separates the interior 43 of the filter 40a, 40b from the circulating fluid channel 42.
  • the filter surface 41 is designed as a fabric with a specific passage for the damping medium 4. It is also conceivable to design the filter surface 41 with a fleece or other type of material, which is suitable to effectively filter the damping medium 4 from any contamination.
  • the contact surfaces 44 are interconnected by webs 47.
  • the throttle passage 32 extends from the circumferential fluid passage 42 to the second pressure chamber 22.
  • the filter 40a is connected via a fastening element 8, here a screw 8, with the closure element 5, here a locking screw 5, respectively.
  • the screw plug 5 is inserted into the housing 3 and secured by a thread on the housing 3.
  • the filter 40 a is rotatably arranged on the screw plug 5, so that during the attachment of the screw plug 5 on the housing 3, the contact surfaces 44 of the filter 40 a rest against the housing inner wall 3 a and do not rotate with the screw plug 5. This prevents that an unnecessary abrasion of the contact surfaces 44 during assembly of the screw plug 5 is formed.
  • the damping medium 4 flows into the throttle channel 32, through the throttle valve 31 and passes through the further throttle channel 32 in the second Pressure chamber 22. About the throttle valve 31, the movement of the piston 11 and the closing speed of the door is effectively damped. Any contamination within the damping medium 4 remain in the filter surface 41 and thus can not interfere with the operation of the throttle valve 31.
  • the free end 11 a of the piston 11, which faces the filter 40 a, has a smaller diameter than the diameter of the interior 43 of the filter 40 a.
  • the piston 11 according to the embodiment in FIG. 2 move with its free end 11a in the interior 43 of the filter 40a.
  • the stroke movement of the piston 11 ends in front of the filter 40 a, that means that the piston 11 does not enter into the interior 43, which in FIG. 5 is shown.
  • the piston 11 In the extended position, the piston 11 is shown in dashed lines.
  • the piston 11 has a spring element 18.
  • the spring element 18 In the closed position of the door (see FIG. 5 ) acts on the piston 11, the spring element 18 which moves the piston 11 in the direction of the closer shaft 2 with a movement of the door in its open position.
  • a force is exerted on the piston 11 via the spring element 18 in order to reliably move it again in the direction of the second pressure chamber 22.
  • the spring element 18 in the embodiment according to FIG. 1 and FIG. 2 applicable.
  • FIG. 3 and FIG. 4 in each case a further embodiment variant of a door actuator 1 is shown, wherein the piston 11 is integrated in a piston system 10 having a first 11 and a second piston 12. Both pistons 11, 12 are linearly displaceable within the housing 3 along the housing inner wall 3 a along the axis 7.
  • the first piston 11 separates the first pressure chamber 21 from the second pressure chamber 22.
  • the second piston 12 separates the second pressure chamber 22 from the third pressure chamber 23. All pressure chambers 21, 22, 23 are connected to one another via the channel arrangement 30.
  • Within the pressure chambers 21, 22, 23 is the damping medium 4.
  • the door operator 1 on a closer shaft 2, which can be coupled with a door, not shown.
  • the closer shaft 2 is rotatably supported about the axis 6 and connected rotationally fixed to a power transmission element 13.
  • the force transmission element 13 is in contact with the second piston 12, in particular with a first roller 14, which is rotatably mounted in the second piston 12.
  • the second piston 12 is in operative connection with a within the third pressure chamber 23 located spring element 15, which is a compression spring 15 in the present embodiment.
  • the force transmission element 13 is further in contact with the first piston 11, in particular with a second roller 16 which is rotatably mounted in the first piston 11.
  • FIG. 3 and FIG. 4 shown door operator 1 is in a position in which the door, not shown, is in a closed position. If the door moves into the open position, the closer shaft 2 moves about its axis 6, with the force transmission element 13 likewise being moved about the axis 6.
  • the power transmission element 13 is designed as a Hubkurvenelement 13, wherein the closer shaft 2 and the Hubkurvenelement 13 have a common axis of rotation 6 and the Hubkurvenelement 13 is arranged eccentrically on the axis of rotation 6.
  • the Hubkurvenelement 13 on its outer contour on a curved path having different distances from the axis 6. This means that the Hubkurvenelement 13 is a kind of eccentric, which is in contact with both the first and the second piston 11, 12.
  • FIG. 1 and FIG. 2 are also in the embodiments according to FIG. 3 and FIG. 4 the damping medium is "filtered" through the filter 40a via the annular filter surface 41 and enters the throttle channel 32, where it flows in the direction of the throttle valve 31 and then flows back into the second pressure chamber 22 via a further throttle channel 32.
  • FIG. 1 and FIG. 2 are also in the embodiments according to FIG. 3 and FIG. 4 the damping medium is "filtered" through the filter 40a via the annular filter surface 41 and enters the throttle channel 32, where it flows in the direction of the throttle valve 31 and then flows back into the second pressure chamber 22 via a further throttle channel 32.
  • the first piston 11 has a channel 33a with a check valve 34, through which the damping medium 4 only flows when the first piston 11 is moved in the direction of the second pressure chamber 22 and thus the first pressure chamber 21, the damping medium 4 from the second Suction chamber 22 sucks.
  • the second pressure chamber 22 is connected to the third pressure chamber 23 via a channel 33b within which a filter element is optionally located and which extends through the second piston 12.
  • a further filter 40b is additionally arranged in the second pressure chamber 22.
  • the closer shaft 2 extends through the filter 40b.
  • the damping medium 4 flows through the throttle channel 32 in the direction of the second pressure chamber 22, it passes into the filter 40b.
  • the damping medium 4 initially flows into the circulating fluid channel 42 of the filter 40b, passes through the filter surface 41 and enters the interior 43 of the filter 40b, where it finally enters the second pressure chamber 22. If the first piston 11, starting from the position according to FIG. 3 and FIG. 4 in the direction of the closer shaft 2 moves (opening operation of the door), it may happen that a low volume flow through the throttle channel 32 flows from the second pressure chamber 22 into the first pressure chamber 21.
  • the filter 40b within the second pressure chamber 22 thus prevents unwanted particles from entering the throttle valve 31 in such a case, which would result in undesired contamination. It is also conceivable that a filtering of the damping medium 4 takes place within the third pressure chamber 23, which is not explicitly shown.
  • the door operator 1 according to FIG. 3 and FIG. 4 is further provided with a closure means 50 which can be brought into a closed position and an open position. According to FIG. 3 and FIG. 4 the door is in the closed position, wherein at the same time the closure means 50 is in the open position.
  • the closure means 50 is designed with a closure element 51, which in the present embodiment is a ball.
  • the closure means 51 also has a plunger 52 which projects through an opening of a seat 53 of the closure means 50 into the first pressure chamber 21. In the illustrated open position of the closure means 50, the closure element 51 has a certain distance from the seat 53.
  • a spring element 46 On the opposite side of the plunger 52 of the closure element 51 is a spring element 46, which is designed as a compression spring.
  • the door is in its open position, the piston 11 - according to the embodiment according to FIG. 1 - A certain distance from the filter 40a.
  • the closure means 50 is in its closed position, in which the closure element 51 rests on the seat 53.
  • the housing 3 of the door operator 1 has two throttle valves 31 arranged in parallel throttle channels 32 are.
  • the left throttle channel 32 connects the closure means 50 with the left throttle valve 31.
  • the right throttle passage 32 connects the right throttle valve 31 with the circulating fluid passage 42 of the filter 40 a.
  • the closure means 50 While the free end 11a of the first piston 11 is spaced from the closure means 50 , the closure means 50 remains reliably in its closed position, in which effectively prevents the damping medium 4 can flow into the left throttle valve 31. Only in the position in which the free end 11a of the first piston 11 touches the plunger 52 with its stop surface 17 and the closure element 51 moves out of the seat 53, can the damping medium 4 additionally be supplied via the left throttle valve 31 from the first pressure chamber 21 into the second pressure chamber 22 are passed. So that the left throttle valve 31 is protected from contamination, is according to FIG. 3 arranged on the closure means 50, a corresponding additional filter 40 a, which substantially corresponds to the filter 40 a, which is located within the first pressure chamber 21 corresponds. When the first piston 11 subsequently moves back again in the direction of the second pressure chamber 22, the spring element 46 ensures that the closure element 51 contacts the seat 53 and thus reliably reaches the closure means 50 in its closed position.
  • the embodiment according to FIG. 4 essentially differs from the embodiment according to FIG. 3 in that a filter 40a is used in the region of the first pressure chamber 21, which has two circumferential channels 42 which are separated from one another by a seal 45 arranged on the filter 40a.
  • the left circumferential fluid channel 42 is here associated with the left throttle valve 31 and the right circumferential Fluid channel 42 is associated with the right throttle valve 31.
  • the in FIG. 4 used filter 40a substantially corresponds to the described filter according to FIG. 1, FIG. 2 and FIG. 6 , wherein two ring-like circumferential filter surfaces 41 are used within a filter 40 a.
  • both filter surfaces 41 can be separated from one another by the closure means 50, which is integrated in the filter 40a.
  • the piston 11 according to all embodiments shown FIG. 1 to FIG. 5 can reliably be moved back in the direction of the axis 6 when the door is opened, an unillustrated spring element exerts a certain force on the free end 11a of the piston 11, so that the piston 11 in the direction of the second pressure chamber 22 undergoes a movement.
  • the spring element may, for example, be arranged in the filter 40a and, during the movement of the piston 11 in the direction of the second pressure chamber 22, ensure that the piston 11 always remains in contact with the transmission element 13.
  • the spring element can also on the piston 11, as in FIG. 5 shown to be arranged.
  • FIG. 5 also to the embodiments according to the FIGS. 4 and 5 obtainable, that means that the stroke movement of the piston 11 ends before the filter 40a.
  • the present invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a number of different versions of a door operator is possible, which may be designed as Gleitschienenttechnik, as Oberebet/iger, as a floor door operator or as a frame door operator.

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  • Fluid-Damping Devices (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP20090014393 2008-11-18 2009-11-18 Actionnement de porte Active EP2186982B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810058059 DE102008058059A1 (de) 2008-11-18 2008-11-18 Türbetätiger

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EP2186982A2 true EP2186982A2 (fr) 2010-05-19
EP2186982A3 EP2186982A3 (fr) 2013-07-31
EP2186982B1 EP2186982B1 (fr) 2015-04-15

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DE (1) DE102008058059A1 (fr)
ES (1) ES2541462T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363187A1 (fr) * 2010-03-05 2011-09-07 Dorma GmbH + Co. KG Filtre annulaire compact
EP2363186A1 (fr) * 2010-03-05 2011-09-07 Dorma GmbH + Co. KG Filtre annulaire compact
EP3029253A1 (fr) * 2014-12-05 2016-06-08 DORMA Deutschland GmbH Ferme-porte encastré dans le sol
FR3060632A1 (fr) * 2016-12-16 2018-06-22 Geze Gmbh Ferme-porte

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011000096A1 (de) * 2011-01-11 2012-07-12 Dorma Gmbh + Co. Kg Türbetätiger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933213A1 (de) 1969-07-01 1971-01-21 Eaton Yale & Towne Gmbh Selbsttaetiger Tuerschliesser
DE202008005721U1 (de) 2008-04-24 2008-07-10 Dorma Gmbh + Co. Kg Türschließer mit einer hydraulischen Schließverzögerung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB978966A (en) * 1963-02-07 1965-01-01 Ronan & Kunzl Inc Hydraulically retarded door closer
DE502005004986D1 (de) * 2004-07-29 2008-09-25 Schaeffler Kg Ringfilter
FI119853B (fi) * 2006-08-21 2009-04-15 Abloy Oy Ovensuljin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933213A1 (de) 1969-07-01 1971-01-21 Eaton Yale & Towne Gmbh Selbsttaetiger Tuerschliesser
DE202008005721U1 (de) 2008-04-24 2008-07-10 Dorma Gmbh + Co. Kg Türschließer mit einer hydraulischen Schließverzögerung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363187A1 (fr) * 2010-03-05 2011-09-07 Dorma GmbH + Co. KG Filtre annulaire compact
EP2363186A1 (fr) * 2010-03-05 2011-09-07 Dorma GmbH + Co. KG Filtre annulaire compact
EP3029253A1 (fr) * 2014-12-05 2016-06-08 DORMA Deutschland GmbH Ferme-porte encastré dans le sol
FR3060632A1 (fr) * 2016-12-16 2018-06-22 Geze Gmbh Ferme-porte

Also Published As

Publication number Publication date
ES2541462T3 (es) 2015-07-20
DE102008058059A1 (de) 2010-05-20
EP2186982A3 (fr) 2013-07-31
EP2186982B1 (fr) 2015-04-15

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