PROBLEM TO BE SOLVED: To provide a lubricating oil supply device capable of suppressing oil suction pulsation caused in an oil strainer by a gear type oil pump, and thus reducing the vibration of the oil strainer resulting from the suction pulsation and the resonance of the oil strainer with an oil pan or the oil pump.;SOLUTION: A lubricating oil supply device 10 includes an oil strainer 12 for supplying lubricating oil stored in an oil pan 11 to a slide element of an internal combustion engine by driving a gear type oil pump 13, the oil strainer including an oil feeding pipe 18 having one end connected to the oil pump and the other end extending to the bottom of the oil pan, a suction port 19 provided at the other end of the oil feeding pipe, and a pulsation suppression part 20 provided in the oil feeding pipe for suppressing the pulsation of the oil feeding pipe resulting from the oil suction property of the oil pump.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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