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US 11,377,302 B2Granted
Distributing powder
AssigneeHewlett-Packard Development Company, L.P.
InventorsGerard Mosquera, Albert Iglesias Millan, Joan Mach
Life of this patent
Estimating the term…
Abstract
In one example, an article for distributing powder includes a plate having holes therein through which a powder may pass from a first side of the plate to a second side of the plate opposite the first side and multiple ramps each intersecting the plate at one or multiple holes and sloping away from the first side of the plate in a first direction at an angle less than 90°.
Claims11
A powder distributor, comprising:
- an elongated trough having a top, a bottom, a first end, a second end opposite the first end, and a middle part between the first end and the second end;
- an inlet into the bottom of the trough through which powder may enter the trough;
- and
- an apertured plate inside the trough over the inlet, the plate movable to distribute powder lengthwise from the inlet along the trough.
1 more element
An article for distributing powder, comprising:
- a plate having holes therein through which a powder may pass from a first side of the plate to a second side of the plate opposite the first side;
- multiple first ramps each intersecting the plate at one or multiple holes and sloping away from the first side of the plate in a first direction at an angle less than 90°;
- and
- multiple second ramps each intersecting the plate at one or multiple holes and sloping away from the first side of the plate in a second direction opposite the first direction at an angle less than 90°.
1 more element
A powder feeder, comprising:
- a trough;
- an elongated distributor to distribute powder along a length of the trough;
- an elongated dispenser to dispense powder from along the length of the trough;
- an apertured plate inside the trough, the plate including two groups of ramps protruding from a bottom plane of the plate, the ramps in one group sloping down and away toward one end of the plate and the ramps in the second group sloping down and away toward the other end of the plate;
- and
- a linear actuator to vibrate the plate.
3 more elements
Dependencies are inferred from the claim text.