US 12,140,161 B2
Apparatus and method for moving viscous fluid by suction
Thomas Hove, Herning (DK)
Assigned to DANHYDRA A/S, Herning (DK)
Filed by Danhydra A/S, Herning (DK)
Filed on Dec. 10, 2020, as Appl. No. 17/117,605.
Claims priority of application No. PA 2019 01474 (DK), filed on Dec. 13, 2019.
Prior Publication US 2021/0180615 A1, Jun. 17, 2021
Int. Cl. F04B 15/02 (2006.01); F04B 19/04 (2006.01); F04F 3/00 (2006.01)
CPC F04F 3/00 (2013.01) [F04B 15/02 (2013.01); F04B 19/04 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An apparatus for pumping a viscous fluid from an outlet (11) of a first unit (1) to an inlet (10) of a second unit (2) through a hose or pipe (7), a vacuum pump (3) is connected to the hose or pipe (7) and the viscous fluid is moved through the hose or pipe (7) by suction;
wherein the hose or pipe (7) comprises an inlet (8) for gas such as air, and the flow of gas through the inlet (8) is controlled by a valve (9), wherein the first unit (1) is a bearing such as a ball bearing.