US 12,465,942 B2
Piezo actuator device
Moritz Nett, Mühlacker (DE); Martin Stiegler, Beilstein (DE); Frank Schnur, Bönnigheim (DE); Lothar Rademacher, Bietigheim-Bissingen (DE); Dmitri Noak, Stuttgart (DE); and Herbert Martin, Weinstadt-Grossheppach (DE)
Appl. No. 18/557,332
Filed by Dürr Systems AG, Bietigheim-Bissingen (DE)
PCT Filed Apr. 20, 2022, PCT No. PCT/EP2022/060429
§ 371(c)(1), (2) Date Oct. 26, 2023,
PCT Pub. No. WO2022/228968, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 10 2021 110 780.6 (DE), filed on Apr. 27, 2021; and application No. 10 2021 121 334.7 (DE), filed on Aug. 17, 2021.
Prior Publication US 2024/0207886 A1, Jun. 27, 2024
Int. Cl. H02N 2/04 (2006.01); B05C 5/02 (2006.01); F16K 31/00 (2006.01); F16K 99/00 (2006.01)
CPC B05C 5/0279 (2013.01) [B05C 5/0233 (2013.01); F16K 31/007 (2013.01); F16K 31/008 (2013.01); H02N 2/046 (2013.01); F16K 2099/0074 (2013.01); F16K 2099/008 (2013.01)] 55 Claims
OG exemplary drawing
 
1. A piezo actuator device, that controls dispensing of an application agent onto a component, comprising:
at least one movable valve body for opening and closing at least one valve seat,
at least one pivotable actuating arm for actuating the at least one movable valve body, and
a piezo actuator configured to move the at least one movable valve body to close and/or open the at least one valve seat, wherein the piezo actuator device is connected to an application agent supply and an application agent return for application agent circulation or is connected to at least two application agent supplies, via which different application agents can be supplied.