Oil pressure supply device

An oil pressure supply device for supplying, to an oil chamber, an oil pressure generated by suctioning oil from an oil source with an oil pump, the oil pressure supply device comprising:

• a first oil passage connected to a suction side of the oil pump;
• a first check valve provided in the first oil passage and configured to close the first oil passage and prevent oil from moving from the oil pump to the oil source when the oil pump is stopped;
• a second oil passage connecting a discharge side of the oil pump and a pressure regulating circuit including a pressure regulating valve;
• and
• a second check valve provided in the second oil passage and configured to close the second oil passage and prevent oil from moving from the pressure regulating circuit to the oil pump when the oil pump is stopped, wherein
• when the oil pump is stopped, the second check valve closes the second oil passage earlier than the first check valve closes the first oil passage.