---
publication_id: "OT-2026-000001129"
title: "Powder feeder"
published_at: "2026-09-15T19:03:54.674728Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000001129"
categories:
  - "material-handling/conveying-systems"
keywords:
  - "b22f12/50"
  - "b29c64/321"
  - "b29c64/321"
  - "b29c64/321"
  - "b65g53/50"
  - "b22f12/57"
---

# Powder feeder

## Abstract

The present disclosure relates to a powder feeder. The powder feeder includes a main chamber with a gas inlet and a powder outlet. At least one secondary chamber is configured to receive powder. The powder feeder also includes a shaver element. The shaver element is positioned directly above an opening in the at least one secondary chamber. The secondary chamber further includes a piston movable towards the shaver element so as to urge powder upwards. Examples of a shaver element include a rotatable screw, a conveyor belt, and a rotating disc with protrusions.