Oil supply system for power unit of machine and power unit comprising such oil supply system

The present application relates to an oil supply system (1) for a machine, in particular for a power unit of a motor vehicle, having a modular body (4) made of plastic, comprising: a collection tank (10) divided into a pre-chamber (14) and a main chamber (16); a pre-delivery pump (24) that can draw oil from the pre-chamber (14) and pump it into the main chamber (16); a main delivery pump (32) that can draw oil from the main chamber (16) and pump it to the machine; and a return line (46) that can return oil from the machine to the pre-chamber (14) and/or the main chamber (16). The application also relates to a power unit for a motor vehicle having such an oil supply system (1). 本申请涉及一种用于机器、特别是用于机动车辆的动力单元的供油系统(1)，该供油系统具有由塑料制成的模块化本体(4)，该模块化本体包括：收集罐(10)，该收集罐被分成预腔室(14)和主腔室(16)；预输送泵(24)，该预输送泵可以从预腔室(14)中抽取油并将其泵送至主腔室(16)中；主输送泵(32)，该主输送泵可以从主腔室(16)中抽取油并将其泵送至该机器；以及返回管线(46)，该返回管线可以将油从该机器返回至预腔室(14)和/或主腔室(16)。本申请还涉及一种用于机动车辆的具有这种供油系统(1)的动力单元。