US 12,265,404 B2
Flow control device and method of pressure control in a fluid flow
Ryan McIntosh, Marshalltown, IA (US); and Ryan Nelson, Nevada, IA (US)
Assigned to FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, IA (US)
Filed by FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, IA (US)
Filed on Aug. 23, 2023, as Appl. No. 18/237,285.
Prior Publication US 2025/0068192 A1, Feb. 27, 2025
Int. Cl. F16K 31/06 (2006.01); G05D 16/16 (2006.01)
CPC G05D 16/163 (2013.01) [F16K 31/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A flow control device, comprising:
a housing forming an inlet passage, an outlet passage, and a fluid passageway between the inlet passage and the outlet passage;
a magnetized shaft positioned entirely within the housing between the inlet passage and the outlet passage;
a plurality of vanes secured to the magnetized shaft and positioned in the fluid passageway; and
a first wire coil moveably positioned around a first end of the magnetized shaft, the first wire coil being external of the housing and linearly moveable in a direction parallel to a longitudinal axis of the magnetized shaft.