Lower block for internal combustion engine of vehicle, has strainer whose input channel is fixed at oil sump and output channel is connected to oil pump, where input channel and oil sump are made of plastic and welded with each other

摘要

The block (1) has a strainer (20) whose input channel (30) is fixed at an oil sump (10) and provided with an oil suction opening. An output channel (50) of the strainer is connected to an oil pump (60). The input channel and the oil sump are made of plastic and welded with each other. The output channel is made plastic and welded with the input channel. A sieve (40) is fixed at a connection region between the input channel and the output channel. The output channel internally comprises a shoulder part (53) at an end welded to the inlet channel. Independent claims are also included for the following: (1) an internal combustion engine (2) a method for manufacturing a lower block for an internal combustion engine.