US 12,004,530 B2
Extraction cell
Kieran A. Murphy, Seattle, WA (US); and Chelsea L. Rosenkrance, Seattle, WA (US)
Assigned to Starbucks Corporation, Seattle, WA (US)
Filed by Starbucks Corporation, Seattle, WA (US)
Filed on Sep. 27, 2021, as Appl. No. 17/448,957.
Application 17/448,957 is a division of application No. 15/681,228, filed on Aug. 18, 2017, granted, now 11,154,157.
Prior Publication US 2022/0007880 A1, Jan. 13, 2022
Int. Cl. A23F 5/26 (2006.01); A23F 3/18 (2006.01); A47J 31/06 (2006.01); A47J 31/36 (2006.01)
CPC A23F 3/18 (2013.01) [A23F 5/26 (2013.01); A23F 5/262 (2013.01); A47J 31/0615 (2013.01); A47J 31/0663 (2013.01); A47J 31/3671 (2013.01); A47J 31/0605 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An extraction cell for preparing an extract, the extraction cell comprising:
a bottom portion;
a top portion having a cross-sectional area;
a side wall extending between the bottom portion and the top portion;
an inlet on the bottom portion for introducing an extraction medium;
an outlet disposed on the top portion for removing the extract from the extraction cell, the outlet having an area that is between about 10% to about 100% of the cross-sectional area of the top portion of the extraction cell; and
a filter positioned at the outlet having a mean aperture diameter between about 0.05 mm to about 0.35 mm,
wherein the extraction cell comprises a length and an average width along the length, wherein an interior aspect ratio of the length to the average width is between about 2:1 to about 4:1.