Pneumatic devices including surface coatings
AssigneeMaxterial, Inc.
InventorsAtieh Haghdoost, Mehdi Kargar, Ersan Ilgar, Daniel Church
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Abstract
Pneumatic articles that include a moveable component with a coated surface are described. The coated surface can include a surface coating including an alloy layer that includes molybdenum or tungsten in combination with one or more other materials. Pneumatic cylinders and pneumatic devices are also described.
Claims18
A pneumatic device comprising a piston member configured to move between a first position to a second position, the piston member comprising a coated surface, wherein the coated surface comprises a surface coating, and wherein the surface coating comprises an alloy layer comprising (i) molybdenum and (ii) at least one of phosphorous or boron and (iii) at least one of nickel, tungsten, or tin, wherein the at least one of nickel, tungsten, or tin is present in the alloy layer at 65% by weight or more, wherein the alloy layer comprises uniform and non-uniform grain sizes with an average grain size less than 2 microns, and wherein a thickness of the surface coating is up to 2 mm;
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- a motor or engine coupled to the piston member and configured to move the piston member from the first position to the second position.
Dependencies are inferred from the claim text.