US 12,102,255 B2
Brewing apparatus and method for operating a brewing apparatus
Wolfgang Riessbeck, Landschlacht (CH); Saadettin Yesil, Allensbach (DE); Patrick Egger, Niederbüren (CH); and Roman Scheurer, Felben-Wellhausen (CH)
Assigned to EUGSTER / FRISMAG AG, Amriswil (CH)
Appl. No. 17/611,658
Filed by EUGSTER / FRISMAG AG, Amriswil (CH)
PCT Filed May 20, 2019, PCT No. PCT/EP2019/062945
§ 371(c)(1), (2) Date Nov. 16, 2021,
PCT Pub. No. WO2020/233783, PCT Pub. Date Nov. 26, 2020.
Prior Publication US 2022/0192414 A1, Jun. 23, 2022
Int. Cl. A47J 31/36 (2006.01); A47J 31/40 (2006.01); A47J 31/46 (2006.01)
CPC A47J 31/3633 (2013.01) [A47J 31/407 (2013.01); A47J 31/468 (2018.08)] 15 Claims
OG exemplary drawing
 
1. A brewing apparatus for making a beverage from a single serve capsule, wherein the brewing apparatus has a first brewing chamber element, a second brewing chamber element and a sealing device, wherein the first brewing chamber element is movable along a central axis between a loading position, in which the first brewing chamber element and the second brewing chamber element are spaced apart from each other, and a working position, in which the first brewing chamber element and the second brewing chamber element are moved toward each other in order to form a substantially closed brewing chamber, wherein, in the working position, the sealing device is arranged between the first brewing chamber element and the second brewing chamber element, wherein the first brewing chamber element or the second brewing chamber element has a liquid supply device for injecting liquid into a single serve capsule situated in the brewing chamber, wherein the liquid supply device has a pressure space which is delimited with respect to the brewing chamber by a slider which is displaceable along the central axis, wherein the slider has the sealing device on a side facing the brewing chamber and a sealing element with an integrated pressure relief device on a side facing the pressure space.