Volvo Truck Corporation

Lars Kastensson

Roger Bodén

Magnus Horn

Anders Enström

The invention relates to a fluid drain plug () for a fluid reservoir () with a drain hole (), the plug having an extension in an axial direction (A) and comprising a body part () rotationally insertable into the drain hole (), the body part having a proximal axial end (), a distal axial end () and a substantially circular cross section with an outer surface (), wherein the body part comprises a drain channel () having an inlet () located at the distal axial end and an outlet opening () disposed on the outer surface (), the body part further comprising a bayonet-type connection slot () for accommodating a part of a radial projection () of a circumferential surface surrounding the drain hole (), the bayonet-type connection slot being disposed on the outer surface and comprising an entrance () at the distal axial end, a first path () and a second path (), the first path () extending from the entrance, in the axial direction (A) and in one circumferential direction (C), to a first path terminal portion (), wherein the first path terminal portion () is adapted to accommodate the radial projection (), and the second path () extending from the first path terminal portion, in the axial direction (A) and in an opposite direction to the one circumferential direction (C), to a second path terminal portion (), wherein the second path terminal portion () is adapted to accommodate the radial projection.

Fluid drain plug for a fluid reservoir

The invention relates to a method for controlling the oil pressure of an oil pump () in a combustion engine (). The combustion engine () comprises a crankcase () and a separator () for separating oil present in a blow-by gas from the crankcase (). The method comprises the step () of providing oil pressure demand for a set of different engine operation conditions, the oil pressure demand defining the theoretical required oil pressure of the oil pump (); the step () of controlling the oil pressure of the oil pump () based on the oil pressure demand for at least one engine operation condition in the set of different engine operation conditions; the step () of driving the separator () using oil from the oil pump (), the oil being pressurized based on the oil pressure demand.

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Gothenburg, Sweden

Lars Kastensson