US 11,852,250 B2
Adjustable spool valve for a digital valve controller
Brad Busse, Marshalltown, IA (US); and Stephen D. Gerbracht, Ames, IA (US)
Assigned to Fisher Controls International LLC, Marshalltown, IA (US)
Filed by Fisher Controls International LLC, Marshalltown, IA (US)
Filed on Apr. 11, 2022, as Appl. No. 17/717,988.
Prior Publication US 2023/0323963 A1, Oct. 12, 2023
Int. Cl. F16K 11/07 (2006.01); F16K 27/04 (2006.01); F16K 31/02 (2006.01)
CPC F16K 11/0708 (2013.01) [F16K 11/0712 (2013.01); F16K 27/041 (2013.01); F16K 31/02 (2013.01); F16K 2200/3051 (2021.08)] 14 Claims
OG exemplary drawing
 
1. An adjustable spool component for a spool valve, comprising:
a center component having a center sealing portion, a first center chamber portion, and a second center chamber portion, wherein the first and second center chamber portions are on opposite sides of the center sealing portion;
a first end component having a first end sealing portion and a first end chamber portion; and
a second end component having a second end sealing portion and a second end chamber portion;
wherein the first end component is spaced apart from the center component to a first side of the center component, the second end component is spaced apart from the center component to a second side of the center component that is opposite the first side, and a position of each of the first and second end components is threadedly adjustable relative to the center component to change the spacing between the center component and, respectively, the first and second end components.