Patent ID: 9145829
Filing Date: 2015-09-29
Classification: F02B

Abstract:
1. A timing belt system for a vehicle, including a camshaft timing gear, a crankshaft timing gear, a timing belt which connects the two timing gears to each other so as to synchronize rotations of the two timing gears, and a tensioner which adjusts tension of the timing belt, the timing belt system comprising: a case which has one side formed in an opened container shape, and is provided to cover the crankshaft timing gear, the camshaft timing gear, the timing belt, and the tensioner from a rear side direction; and a front side plate which is formed in a plate shape, and coupled to the case from a front side direction so as to close one open side of the case, wherein a blow-by gas passage, which recirculates blow-by gas, is formed in the case, and wherein a coolant passage, which is enclosed by a rear side plate, an outer wall and an inner wall of the case and the front side plate, is formed between the outer wall and the inner wall of the case so that a coolant is circulated therethrough.