US 12,326,189 B2
Oil supply system for a machine, in particular a power unit of a motor vehicle, and power unit for a motor vehicle with such an oil supply system
Kevin Heider, Ebern (DE); Matthias Pfister, Ebern (DE); Michael Krause, Ebern (DE); Joachim Hoch, Ebern (DE); Roland Stoebel, Ebern (DE); Rolf Seidl, Ebern (DE); Vladimir Nickel, Ebern (DE); Katrin Ebert, Ebern (DE); and Patrick Gegner, Ebern (DE)
Assigned to Valeo Powertrain GmbH, Ebern (DE)
Filed by Valeo Powertrain GmbH, Ebern (DE)
Filed on Jan. 18, 2023, as Appl. No. 18/156,079.
Claims priority of application No. 10 2022 101 185.2 (DE), filed on Jan. 19, 2022.
Prior Publication US 2023/0228323 A1, Jul. 20, 2023
Int. Cl. F16H 57/04 (2010.01)
CPC F16H 57/0436 (2013.01) [F16H 57/0417 (2013.01); F16H 57/0441 (2013.01); F16H 57/0476 (2013.01)] 27 Claims
OG exemplary drawing
 
1. An oil supply system for a machine, in particular for a power unit of a motor vehicle, with a module body made of plastic comprising:
a collection tank which is divided into a prechamber and a main chamber,
a predelivery pump configured to extract oil from the prechamber and pump it into the main chamber,
a main delivery pump configured to extract oil from the main chamber and pump it to the machine,
a supply interface via which the oil is delivered to the machine,
a plurality of return interfaces via which the oil is returned from the machine to the collection tank via at least one return line,
wherein the predelivery pump and the main delivery pump are driven by a common electric motor forming an oil pump assembly,
wherein the oil pump assembly is arranged on or integrated in the module body,
wherein a predelivery suction opening is provided in the prechamber and is connected via a suction line to a suction side of the predelivery pump,
wherein a main delivery suction opening is provided in the main chamber and is connected via a suction line to a suction side of the main delivery pump, and
wherein the suction lines are integrated in the module body.