US 12,213,511 B2
Dryer for herbaceous material having a channel-shaped collector
Igor Bottacco, Feltre Belluno (IT); Pierre Buffat, Neuchatel (CH); and Stefan Lauenstein, Cormondreche (CH)
Assigned to Philip Morris Products S.A., Neuchatel (CH)
Appl. No. 17/616,022
Filed by PHILIP MORRIS PRODUCTS S.A., Neuchatel (CH)
PCT Filed Jun. 5, 2020, PCT No. PCT/EP2020/065664
§ 371(c)(1), (2) Date Dec. 2, 2021,
PCT Pub. No. WO2020/245386, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 19178497 (EP), filed on Jun. 5, 2019.
Prior Publication US 2022/0361554 A1, Nov. 17, 2022
Int. Cl. A24B 3/04 (2006.01); F26B 11/02 (2006.01); F26B 11/04 (2006.01); F26B 11/06 (2006.01); F26B 25/04 (2006.01)
CPC A24B 3/04 (2013.01) [F26B 11/026 (2013.01); F26B 11/04 (2013.01); F26B 11/0486 (2013.01); F26B 25/04 (2013.01); F26B 2200/22 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A rotary dryer for drying herbaceous material, comprising:
a dryer receptacle having an inner space for receiving herbaceous material;
a driving device for rotating the dryer receptacle about a rotation axis of the dryer receptacle; and
a channel-shaped collector being at least partially open in its upper portion and provided in the inner space of the dryer receptacle for collecting and retaining dried herbaceous material,
wherein the channel-shaped collector is stationary during rotation of the dryer receptacle; and
wherein the channel-shaped collector is asymmetrical with respect to a plane defined by the rotation axis of the dryer receptacle and a vertical direction extending through a center of the channel-shaped collector.