The present invention relates to a valve. The valve includes a valve element having a metering opening, a valve gate which is movable in translation for the opening and closing of the metering opening, an actuating actuator configured for the execution of a tilting movement, and a lever arm which is
The present invention relates to a valve. The valve includes a valve element having a metering opening, a valve gate which is movable in translation for the opening and closing of the metering opening, an actuating actuator configured for the execution of a tilting movement, and a lever arm which is coupled to the actuating actuator and which converts the tilting movement of the actuating actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate.
대표청구항▼
1. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement and having at least one tilting elem
1. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement and having at least one tilting element in the form of a piezoactuator; anda lever arm which is coupled to the actuator and which converts the tilting movement of the actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate. 2. A valve in accordance with claim 1, characterized in that the lever arm has a hollow cross-section closed in itself. 3. A valve in accordance with claim 1, characterized in that the lever arm has a cross-section converging in the direction of the valve gate. 4. A valve in accordance with claim 1, characterized in that the lever arm is made of a sheet of stainless steel. 5. A valve in accordance with claim 1, characterized in that the lever arm is joined, in particular welded together, from a plurality of folded shaped sheet parts. 6. A valve in accordance with claim 1, characterized in that the actuator includes a tilting base to which the lever arm is rigidly connected, in particular welded, as a cantilever which is coupled at its freely projecting end to the valve gate. 7. A valve in accordance with claim 1, characterized in that the lever arm has a coupling element at its freely projecting end for the reception of the valve gate. 8. A valve in accordance with claim 1, characterized in that the valve element and/or the valve gate is/are made of a ceramic material. 9. A valve in accordance with claim 1, characterized in that a supply line is furthermore provided via which the medium to be metered can be supplied to the metering opening. 10. A valve in accordance with claim 9, characterized in that the downstream end of the supply line is movable in translation. 11. A valve in accordance with claim 9, characterized in that the valve gate is arranged in continuation of the downstream end of the supply line and has a flow opening through which the medium to be metered can be supplied from the supply line to the metering opening. 12. A valve in accordance with claim 9, characterized in that the downstream end of the supply line is elastically connected to the valve and is in particular sealed with respect to it via an elastic O ring. 13. A valve in accordance with claim 9, characterized in that the upstream end of the supply line is elastically connected to a fixed media passage and is in particular sealed with respect to it via an elastic O ring. 14. A valve in accordance with claim 1, characterized in that a path measurement device is provided which monitors the stroke movement of the lever arm. 15. A valve in accordance with claim 1, characterized in that a sensor for structure-borne sound is provided which monitors the oscillatory behavior of the valve. 16. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement; anda lever arm, having a cross-section converging in the direction of the valve gate, which is coupled to the actuator and which converts the tilting movement of the actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate. 17. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement; anda lever arm, joined, in particular welded together, from a plurality of folded shaped sheet parts, which is coupled to the actuator and which converts the tilting movement of the actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate. 18. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement;a lever arm which is coupled to the actuator and which converts the tilting movement of the actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate; anda supply line via which the medium to be metered can be supplied to the metering opening, a downstream end of the supply line being movable in translation. 19. A valve, in particular for the metering of pasty media, comprising: a valve element having a metering opening;a valve gate movable in translation for the opening and closing of the metering opening;an actuator configured for the execution of a tilting movement;a lever arm which is coupled to the actuator and which converts the tilting movement of the actuator for the opening and closing of the metering opening into a translatory stroke movement of the valve gate; anda supply line via which the medium to be metered can be supplied to the metering opening, a downstream end of the supply line being elastically connected to the valve and is in particular sealed with respect to the valve via an elastic O ring.
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이 특허에 인용된 특허 (7)
Kvinge Daniel J. (Shoreview MN) Melquist Marlin R. (Minneapolis MN) Plager Steve P. (Burnsville MN), Air valve actuator for reciprocable machine.
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