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US 12,038,025 B2Granted
Servo valve flapper and nozzle structure
AssigneeHamilton Sundstrand Corporation
InventorsMichal Bielen, Marcin Cis, Lukasz Teuerle, Bartosz Chabko
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Abstract
An integral flapper and nozzle structure for a servo valve assembly whereby the flapper, orifices and nozzles are formed by sheets of metal formed into a single component.
Claims6
A method of forming an integral flapper and nozzle structure, the method comprising:
- forming, by cutting, the flapper, nozzles and orifices in sheets of metal such that the flapper is moveable relative to the nozzles;
- wherein the flapper is formed in a first sheet of metal, the first sheet is formed of a compliant metal;
- wherein the orifices are formed in a second sheet of flexible metal,
- co-locating the first and second sheets of metal such that the orifices are in a fixed spatial position relative to the flapper;
- wherein forming also includes cutting the second sheet of flexible metal to define two opposing, flexible arm portions and provided, between the arm portions, with first and second opposing nozzles, first and second fixed orifices, a first channel between the first nozzle and the first orifice and a second channel between the second nozzle and the second orifice.
2 more elements
Dependencies are inferred from the claim text.