US 11,982,264 B2
Pump system with clutches
Andreas Koch, Frankfurt (DE); Mohamed Lamzoughi, Frankfurt am Main (DE); and Björn Ritter, Biebergemünd (DE)
Assigned to HANON SYSTEMS EFP DEUTSCHLAND GMBH, Bad Homburg V. D. Höhe (DE)
Appl. No. 17/756,727
Filed by HANON SYSTEMS EFP DEUTSCHLAND GMBH, Bad Homburg v. d. Höhe (DE)
PCT Filed Apr. 5, 2021, PCT No. PCT/IB2021/052803
§ 371(c)(1), (2) Date Jun. 1, 2022,
PCT Pub. No. WO2021/209854, PCT Pub. Date Oct. 21, 2021.
Prior Publication US 2023/0029138 A1, Jan. 26, 2023
Int. Cl. F04B 23/04 (2006.01); F04B 17/03 (2006.01); F04B 17/05 (2006.01); F16D 43/30 (2006.01); F16N 7/38 (2006.01)
CPC F04B 23/04 (2013.01) [F04B 17/03 (2013.01); F04B 17/05 (2013.01); F16D 43/30 (2013.01); F16N 7/38 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A pump system for a motor vehicle, the pump system comprising:
a first pump selectively driven by an electric motor and an internal combustion engine; and
a second pump selectively driven by the electric motor and the internal combustion engine, wherein the internal combustion engine and the first pump are selectively coupled by a first clutch, and the first pump and the second pump are selectively coupled by a second clutch, and the electric motor and the second pump are selectively coupled by a third clutch.