Meter housing for feeding granular or powdered material, meter system, agricultural implement comprising such meter system and method for feeding granular or powdered material
First Claim
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1. A meter housing for an air lock feeder, for feeding granular or powdered material, comprising:
- a meter space with a material inlet and a material outlet, anda wall portion extending between the material inlet and the material outlet,the wall portion having substantially the form of a cylinder sector,wherein the wall portion has a scraper part, which extends substantially parallel to a central axis of the cylinder sector.
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Abstract
A meter housing comprises a meter space with a material inlet and a material outlet, and a wall portion extending between the material inlet and the material outlet. The wall portion has substantially the form of a cylinder sector. The wall portion has a scraper part, which extends substantially parallel to a central axis of the cylinder sector.
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Citations
17 Claims
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1. A meter housing for an air lock feeder, for feeding granular or powdered material, comprising:
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a meter space with a material inlet and a material outlet, and a wall portion extending between the material inlet and the material outlet, the wall portion having substantially the form of a cylinder sector, wherein the wall portion has a scraper part, which extends substantially parallel to a central axis of the cylinder sector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method in an air lock feeder, for feeding granular material or powdered material in an agricultural implement, comprising:
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receiving the material in a material inlet located at an upper portion of a meter housing, using a metering rotor, having rotor blades which bear on a cylinder sector shaped wall portion extending between the material inlet and a material outlet, to feed a predetermined amount of material per time unit, feeding out the material in the material outlet located at a lower portion of the meter housing, and using a radial level variation in the wall portion to loosen material that is stuck between the rotor blade and the wall portion. - View Dependent Claims (16, 17)
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Specification