	US 12,460,629 B2
	Method and apparatus for the preservation of beverages with pump venting
Jonas Burgholz, Cologne (DE); Erasmus Vogl, Cologne (DE); Gerhard Sartorius, Cologne (DE); and Axel Kubatz, Cologne (DE)
Assigned to LANXESS DEUTSCHLAND GMBH, Cologne (DE)
Appl. No. 18/562,872
Filed by LANXESS DEUTSCHLAND GMBH, Cologne (DE)
PCT Filed May 24, 2022, PCT No. PCT/EP2022/064128 § 371(c)(1), (2) Date Nov. 21, 2023, PCT Pub. No. WO2022/248514, PCT Pub. Date Dec. 1, 2022.
Claims priority of application No. 21175892 (EP), filed on May 26, 2021.
Prior Publication US 2024/0218869 A1, Jul. 4, 2024
Int. Cl. F04B 49/22 (2006.01); A23B 2/00 (2025.01); A23B 2/792 (2025.01); A23L 3/00 (2006.01); A23L 3/3589 (2006.01); F04B 49/06 (2006.01); F04B 53/06 (2006.01)

CPC F04B 49/22 (2013.01) [A23B 2/003 (2025.01); A23B 2/792 (2025.01); F04B 49/06 (2013.01); F04B 53/06 (2013.01); F04B 2205/09 (2013.01)]

20 Claims

1. An apparatus for preserving beverages, having a measuring device which is suitable and intended for determining a flow rate of a liquid flowing through a beverage line, and having a pump device which conveys a preservative, into the beverage line, wherein the pump device being controllable as a function of a flow rate determined by the measuring device, wherein the apparatus having a venting device for venting the pump device, wherein the venting device has a valve device, wherein a line for conducting venting gases and/or a liquid is connected to the valve device, wherein the apparatus has a measuring vessel for detecting a level of a liquid and/or gaseous medium, wherein the line for conducting the gaseous and/or liquid medium, which is connected to the valve device, opens into the measuring vessel.