Gema Switzerland Gmbh

Hans-Peter Lüthi

Felix Mauchle

Hanspeter Vieli

Marco Sanwald

Stefan Breitenmoser

A method and a dense phase powder pump for conveying coating powder from a first powder reservoir to a second downstream powder reservoir or to a downstream powder spray-coating gun or the like installation for spraying coating powder are disclosed. In order to reduce the number of components of the dense phase powder pump that require maintenance, the dense phase powder pump is designed as a single-chamber dense phase powder pump and has only a single powder conveyor chamber for conveying coating powder.

Dense phase powder pump and corresponding operating method

The invention relates to a method and a dense phase powder pump () for conveying coating powder from a first powder reservoir () to a second downstream powder reservoir or to a downstream powder spray-coating gun () or the like installation for spraying coating powder. In order to reduce the number of components of the dense phase powder pump () that require maintenance, the dense phase powder pump () is designed as a single-chamber dense phase powder pump and has only a single powder conveyor chamber () for conveying coating powder.

The invention relates to a powder supply device for a powder coating system having at least one powder container (), which has a powder chamber (), and having at least one powder dispensing device, which is connected or can be connected to a powder dispensing channel () opening into the powder chamber () via a powder dispensing opening (), in order to extract coating powder from the powder chamber () during powder coating operation of the powder coating system. In order to achieve as homogeneous and effective a powder conveyance as possible using the powder supply device according to the invention, the at least one powder dispensing device is designed as a powder dense flux pump (), in particular as a single-chamber powder dense flux pump ().

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Rickenbach, Switzerland

Hans-Peter Lüthi