US 11,890,629 B2
Agricultural sprayer valve unit and agricultural sprayer valve device
Reinhold Schulte, Paderborn (DE)
Filed by Reinhold Schulte, Paderborn (DE)
Filed on Feb. 16, 2021, as Appl. No. 17/176,974.
Application 17/176,974 is a continuation of application No. PCT/EP2019/071573, filed on Aug. 12, 2019.
Claims priority of application No. 18189451 (EP), filed on Aug. 17, 2018.
Prior Publication US 2021/0162443 A1, Jun. 3, 2021
Int. Cl. F16K 17/04 (2006.01); F16K 31/06 (2006.01); B05B 12/02 (2006.01); B05B 12/08 (2006.01); B05B 1/20 (2006.01); B05B 12/00 (2018.01); G05D 7/00 (2006.01)
CPC B05B 12/087 (2013.01) [B05B 1/20 (2013.01); B05B 12/004 (2013.01); B05B 12/02 (2013.01); F16K 17/048 (2013.01); F16K 31/06 (2013.01); F16K 31/0655 (2013.01); G05D 7/005 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An agricultural sprayer valve unit comprising
a primary line,
a secondary line,
a control valve which is electronically controlled, arranged between the primary line and the secondary line and comprises a holding magnet designed and configured for maintaining and/or changing a valve positon of the control valve and
a passive overflow valve which is arranged between the primary line and the secondary line in a series connection with the control valve.