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Patent

Valve for controlling liquids

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TLDR
In this article, a valve for controlling liquids is described, consisting of a piezoactuator, a transmission element, a return element, and a valve element, which is configured as a tumbler.
Abstract
The invention relates to a valve for controlling liquids. Said valve comprises a piezoactuator (2), a transmission element (3) that transmits the stroke of the piezoactuator (2), a return element (4) and a valve element (5). The transmission element is configured as a tumbler (3) and the valve element (5) is integrated into said tumbler, thereby achieving a high system rigidity at a reduced number of components.

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References
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Fuel injection pumping apparatus

TL;DR: In this article, a variable orifice connected in parallel with the first orifice is provided, the valve being responsive to the outlet pressure of the feed pump to control the effective value of the first valve.
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Piezoelectric fuel injector valve

Hans U. Bart
TL;DR: An electrically operated valve in which the valve operating means is controlled in its opening movement by a piezoelectric element and the rate of such movement is increased by the cooperative movement of a vaulted spring washer is described in this paper.
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TL;DR: A valve for controlling fluids has a piezoelectric actuator unit which has an actuator base and a head that acts on a coupling module which is connected to a valve closing member that cooperates with a valve seat.
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