Patent ID: 9133741
Filing Date: 2015-09-15
Classification: F01M,F02M,Y02T

Abstract:
1. An arrangement for freeze prevention of a PCV channel, the arrangement comprising: a PCV channel connected to a plurality of intake channels that branch from a surge tank and positioned to return blowby gas containing un-combusted fuel gas as a main component and leaked into an engine to a plurality of intake ports provided in respective cylinders of the engine; an EGR channel returning exhaust gas exhausted from the engine to the intake ports; a heating portion as a common portion between a PCV outer wall of the PCV channel and an EGR outer wall of the EGR channel; and a length of the heating portion in a longitudinal direction spans, in a juxtaposing direction of the intake ports, from the intake port on one end side to the intake port on an other end side.