Suction strainer

A suction strainer provided in a tank in which oil is stored, the suction strainer, comprising:

• a filtration section having a tubular shape formed by bending a thin plate into a pleated shape;
• a first end member and a second end member covering respective both ends of the filtration section;
• and
• a float provided on the first end member, wherein
• the filtration section is provided along a horizontal direction,
• the first end member includes a plate-shaped first mounting portion provided on a side surface of the tank, a second mounting portion in which the filtration section is provided, a tubular portion having a tubular shape provided between the first mounting portion and the second mounting portion, and a first hole that communicates a hollow portion of the filtration section with an outside of the tank,
• the tubular portion, the second mounting portion, the filtration section, and the second end member are provided inside the tank,
• the tubular portion has an air vent hole having one end opening to the first hole and the other end opening to the inside of the tank, and
• the float is movable between a position where the air vent hole is closed and a position where the air vent hole is opened.