A valve includes a spring with a spring force, an actuator with an actuator force which can act against the spring force, a pin which can be actuated by the actuator, a sealing element which can be coupled with the pin, and a seal seat such that the valve is closed when the sealing element rests aga
A valve includes a spring with a spring force, an actuator with an actuator force which can act against the spring force, a pin which can be actuated by the actuator, a sealing element which can be coupled with the pin, and a seal seat such that the valve is closed when the sealing element rests against the seal seat. The pin can be moved in the direction of the sealing element by means of the actuator, and the pin can be moved in the direction away from the sealing element by means of the spring. The sealing element can be moved into an open position independently of the pin, wherein a fluid flow through the valve is released in the open position.
대표청구항▼
1. A valve, comprising: a spring having a first end and a second end, the spring providing a spring force,an actuator providing an actuator force that acts counter to the spring force,a pin configured for actuation by the actuator,a sealing element and a sealing seat, wherein the valve is closed whe
1. A valve, comprising: a spring having a first end and a second end, the spring providing a spring force,an actuator providing an actuator force that acts counter to the spring force,a pin configured for actuation by the actuator,a sealing element and a sealing seat, wherein the valve is closed when the sealing element bears against the sealing seat,wherein the pin is moveable toward the sealing element by the actuator, and moveable away from the sealing element by the spring,wherein the sealing element is moveable independent from the pin into an open position in which a fluid flow through the valve is allowed,wherein the actuator comprises: an electromagnet comprising a coil that surrounds a pole core, anda magnet armature moveable by the electromagnet,wherein the first end of the spring is directly coupled to the pole core and the second end of the spring is directly coupled to the magnet armature and the spring force works to distance the pole core and the magnet armature,wherein the pin is coupled to the magnet armature and runs along a longitudinal axis of the electromagnet through the pole core,wherein the magnet armature is arranged on a first side of the pole core and a separate stop element is arranged on an opposite second side of the pole core, the separate stop element configured to limit a movement of the pin toward the pole core, andwherein the stop element is formed from a harder material than the pole core. 2. The valve of claim 1, wherein: the pin has a projecting region that faces the sealing seat, andthe movement of the pin toward the sealing element is limited by the projecting region and the sealing seat. 3. The valve of claim 1, wherein the pin has a further projecting region that limits a movement of the pin toward the actuator. 4. The valve of claim 1, wherein the sealing element is spaced apart from the pin when the valve is closed. 5. The valve of claim 1, wherein the sealing element is moveable into the open position by the actuator force. 6. The valve of claim 1, wherein the magnet armature and the pin are coupled such that they are immovable relative to one another. 7. The valve of claim 1, wherein the magnet armature has at least one magnet armature recess for hydraulic communication between a first side of the magnet armature facing the pole core and a second side of the magnet armature facing away from the pole core. 8. The valve of claim 1, wherein the stop element has a first recess, through which the pin is guided, and at least one further recess for hydraulic communication between a first side of the stop element that faces away from the pole core and a second side of the stop element that faces the pole core. 9. The valve of claim 1, comprising a welded connection of the stop element to the pole core. 10. A high pressure pump, comprising: a pump piston,an flow line providing inflow to the pump piston, andan inlet valve disposed in the flow line, the inlet valve comprising: a spring providing a spring force,an actuator providing an actuator force that acts counter to the spring force,a pin configured for actuation by the actuator,a sealing element and a sealing seat, wherein the valve is closed when the sealing element bears against the sealing seat,wherein the pin is moveable toward the sealing element by the actuator, and moveable away from the sealing element by the spring,wherein the sealing element is moveable independent from the pin into an open position in which a fluid flow through the valve is allowed,wherein the actuator comprises: an electromagnet comprising a coil that surrounds a pole core, anda magnet armature moveable by the electromagnet,wherein the first end of the spring is directly coupled to the pole core and the second end of the spring is directly coupled to the magnet armature and the spring force works to distance the pole core and the magnet armature,wherein the pin is coupled to the magnet armature and runs along a longitudinal axis of the electromagnet through the pole core,wherein the magnet armature is arranged on a first side of the pole core and a separate stop element is arranged on an opposite second side of the pole core, the separate stop element configured to limit a movement of the pin toward the pole core, andwherein the stop element is formed from a harder material than the pole core. 11. A high pressure pump according to claim 10, wherein: the pin has a projecting region that faces the sealing seat, andthe movement of the pin toward the sealing element is limited by the projecting region and the sealing seat. 12. A high pressure pump according to claim 10, wherein the pin has a further projecting region that limits a movement of the pin toward the actuator. 13. A high pressure pump according to claim 10, wherein the sealing element is spaced apart from the pin when the valve is closed. 14. A high pressure pump according to claim 10, wherein the sealing element is moveable into the open position by the actuator force. 15. A high pressure pump according to claim 10, wherein the magnet armature and the pin are coupled such that they are immovable relative to one another. 16. A high pressure pump according to claim 10 , wherein the magnet armature has at least one magnet armature recess for hydraulic communication between a first side of the magnet armature facing the pole core and a second side of the magnet armature facing away from the pole core. 17. A high pressure pump according to claim 10 , wherein the stop element has a first recess, through which the pin is guided, and at least one further recess for hydraulic communication between a first side of the stop element that faces away from the pole core and a second side of the stop element that faces the pole core. 18. A high pressure pump according to claim 10 , comprising a welded connection of the stop element to the pole core.
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이 특허에 인용된 특허 (15)
Schwerdt Paul (Freudenstadt DEX) Drrie Dieter (Stuttgart DEX) Kirschenhofer Karl (Ulm DEX), Device for stepping up or transmitting forces and strokes.
Bulgatz Dennis C. (Reseda CA) Morinigo Fernando B. (Los Angeles CA) Sortore Christopher (Charlottesville VA) Stuart Keith O. (Cypress CA), Electromagnetically actuated valve.
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