US 12,376,617 B2
Roasting apparatus
Stefano Ceccaroli, Chavornay (CH); Flavien Florent Dubief, Champagne (CH); Vincent Martin, Orbe (CH); Stuart Brigante, West Midlands (GB); and Paul Gurevitch-Beacock, Staffordshire (GB)
Assigned to Societe des Produits Nestle S.A., Vevey (CH)
Appl. No. 17/596,636
Filed by SOCIETE DES PRODUITS NESTLE S.A., Vevey (CH)
PCT Filed Jun. 15, 2020, PCT No. PCT/EP2020/066463
§ 371(c)(1), (2) Date Dec. 15, 2021,
PCT Pub. No. WO2020/254234, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 19180787 (EP), filed on Jun. 18, 2019.
Prior Publication US 2022/0225656 A1, Jul. 21, 2022
Int. Cl. A23N 12/12 (2006.01)
CPC A23N 12/125 (2013.01) 9 Claims
OG exemplary drawing
 
1. An apparatus for roasting coffee beans, the apparatus comprising:
a roasting chamber presenting a bottom opening,
an air driver configured to drive a flow of air inside the roasting chamber through the bottom opening of the roasting chamber,
an electrical heater positioned below the bottom opening of the roasting chamber configured to heat the flow of air driven to the bottom opening of the roasting chamber,
wherein the apparatus comprises a conduit to drive the flow of air from the electrical heater to the bottom opening of the roasting chamber,
wherein the conduit comprises a local transversal constriction reducing a section of the conduit to a minimum transversal section, and
wherein at least one temperature probe is positioned at the minimum transversal section of the conduit.