Patent ID: 11867299
Assignee: DENSO CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A flow path switching valve configured for use in an engine water cooling system, configured for mounting on a mounting surface of an engine, and configured for switching a flow path of a cooling water by an operation of the flow path switching valve, the engine water cooling system having: a block jacket, which is a water jacket formed on a cylinder block, and a head jacket, which is a water jacket formed on a cylinder head, the block jacket and the head jacket are connected via a communication passage, the flow path switching valve configured as follows:
the cooling water flowing in from an inlet of the block jacket flows into an inlet port of the flow path switching valve from an outlet of the head jacket via the communication passage, and
the flow path switching valve has an inflow barrier plate provided therein that closes a part of a leak path side at the inlet port to suppress an inflow of the cooling water from the block jacket via a leak path made in the cylinder block and the cylinder head.