CPC F16K 31/0651 (2013.01) [F16K 15/1826 (2021.08); F16K 31/0658 (2013.01); F16K 31/0668 (2013.01)] | 20 Claims |
1. An electro-pneumatic converter comprising:
a body including an axial passageway extending between a first opening and a second opening, the first opening associated with a supply port, the supply port to receive pressurized fluid from a pressure supply source;
a solenoid disposed within the axial passageway;
an armature including a first side and a second side opposite the first side, the second side facing the solenoid, the armature movable between a first position and a second position, the pressurized fluid blocked from flowing through an output port of the electro-pneumatic converter when the armature is in the first position, the pressurized fluid to flow through the output port when the armature is in the second position; and
a spring coupled to the first side of the armature, the spring to bias the armature toward the first position, wherein the spring is a sheet, the sheet including a first spiral cutout and a second spiral cutout, a portion of the first spiral cutout positioned within the second spiral cutout, a portion of the second spiral cutout positioned within the first spiral cutout.
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