Oil strainer and control device

Abstract

The present invention provides an oil strainer and control device that can suppress clogging with less power compared to heating the entire oil in the oil pan. [Solution] The oil strainer 20 comprises a pipe 21 and a mesh 22. The pipe 21 has an intake port 23 for drawing in oil from the oil pan. The mesh 22 is made up of strands 24 arranged in a grid pattern. The mesh 22 is attached to the pipe 21 so as to cover the intake port 23. At least a portion of the strands 24 are heating wires 26.

Claims

1. The system comprises a pipe having a suction port for drawing in oil from an oil pan, and a mesh made of wires arranged in a grid pattern, which is attached to the pipe in a manner that covers the suction port. At least a portion of the aforementioned wire is a heating element. Oil strainer.

2. A control device for controlling an internal combustion engine, The internal combustion engine comprises an oil pan and an oil strainer as described in claim 1, A freezing determination process for determining whether the oil in the oil pan is frozen, The process involves, when the freezing determination process determines that the freezing is positive, a power supply process to supply power to the heating element is performed. Control device.

3. The aforementioned freezing determination process is, A first determination process for determining whether the moisture content of the oil in the oil pan is equal to or greater than a first predetermined value, This includes a second determination process that determines whether the elapsed time since the outside temperature fell below a second predetermined value is equal to or greater than a predetermined period, When both the first and second determination processes result in a positive determination, the power supply process is executed. The control device according to claim 2.

4. The freeze determination process is executed when the internal combustion engine is stopped. The control device according to claim 2 or 3.

5. During the execution of the power supply process, a thawing determination process is performed to determine whether or not the oil in the oil pan has thawed. The aforementioned defrosting determination process is: A third determination process for determining whether the moisture content of the oil in the oil pan is less than a third predetermined value, This includes a fourth determination process for determining whether the oil temperature of the oil in the oil pan is above a fourth predetermined value, The power supply process is continued from the time the operation of the internal combustion engine is started until a positive result is obtained in both the third and fourth determination processes. The control device according to claim 4.

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