US 11,852,293 B2
Lubricant pumping system
Juergen Kreutzkaemper, Waibstadt-Daisbach (DE); Stefan Schuermann, Walldorf (DE); Andreas Schoenfeld, Sankt Leon-Rot (DE); and Dieter Hess, Ludwigshafen (DE)
Assigned to SKF LUBRICATION SYSTEMS GERMANY GMBH, Walldorf (DE)
Filed by SKF LUBRICATION SYSTEMS GERMANY GMBH, Walldorf (DE)
Filed on Mar. 25, 2022, as Appl. No. 17/704,284.
Claims priority of application No. 102021204102.7 (DE), filed on Apr. 26, 2021.
Prior Publication US 2022/0341543 A1, Oct. 27, 2022
Int. Cl. F16N 13/22 (2006.01); F04B 9/10 (2006.01); F04B 15/02 (2006.01); F04B 53/04 (2006.01); F04B 53/16 (2006.01); F16N 11/10 (2006.01); F04B 49/10 (2006.01)
CPC F16N 13/22 (2013.01) [F04B 9/10 (2013.01); F04B 15/02 (2013.01); F04B 49/10 (2013.01); F04B 53/04 (2013.01); F04B 53/16 (2013.01); F16N 11/10 (2013.01); F04B 2201/0208 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A lubricant pumping system comprising:
a lubricant pump having a lubricant pumping space,
a first seal configured to seal the lubricant pumping space,
a leakage collection space on a side of the first seal opposite the pumping space, the leakage collection space being located such that a leakage of a lubricant through the seal collects in the leakage collection space,
at least one signal detector, and
a pressure sensor configured to output a wired or wireless signal to the at least one signal detector indicative of a pressure in the leakage collection space.