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US 10,724,593 B2Granted
Torsion spring
AssigneeHamilton Sundstrand Corporation
InventorsMarcin Cis, Piotr Sawicki
Life of this patent
Estimating the term…
Abstract
There is provided a method of manufacturing a torsion spring, comprising providing a section of sheet metal, and forming the torsion spring from the section of sheet metal.
Claims6
An assembly comprising:
- an armature and flapper assembly for a servo valve, wherein the armature comprises two side portions positioned on either side of a central portion, the flapper is connected to and extending through the armature at its central portion, and a longitudinal axis of the armature is perpendicular to a longitudinal axis of the flapper;
- and
- a torsion spring from sheet metal, wherein the torsion spring is a substantially flat, single-piece of material;
- wherein the armature comprises one or more lateral slots into which the torsion spring fits.
1 more element
Dependencies are inferred from the claim text.