Patent ID: 7418934

Claim:
A valve timing controller for an internal combustion engine that adjusts opening/closing timing of at least one of an intake valve and an exhaust valve opened/closed by a camshaft with torque transmission from a crankshaft, comprising: a first rotary element rotating in response to the movement of one of the crankshaft and the camshaft; a second rotary element including a common rotational axis with the first rotary element, and rotating in response to the movement of the other of the crankshaft and the camshaft; and a plurality of link mechanisms arranged adjacently in a rotational direction of the first rotary element to change a relative rotation phase between the first rotary element and the second rotary element, wherein: the link mechanism in each group is constituted by combining a first link linked to the first rotary element by a revolute pair with a second link linked to the second rotary element and the first link by a revolute pair; and the second link of the link mechanism in each group retains the first link of the link mechanism in the same group and the first link of the link mechanism in the other group between the second link and the first rotary element in the rotational axis direction of the first rotary element.