Patent ID: 7878231
Filing Date: 2011-02-01
Classification: F01P,H05K

Abstract:
1. A piping with a coolant inlet incorporated in a coolant circulation path configured to circulate a coolant for cooling a power control unit to be cooled in a vehicle, comprising: a reservoir configured to store said coolant; a feed port provided in said reservoir and configured to feed the coolant in said reservoir into said coolant circulation path; a return port provided in said reservoir and configured to return said coolant circulated through said coolant circulation path into said reservoir; a partition wall provided in said reservoir to define a flow path having a U-turn region changing horizontally in a horizontal plane a flow direction of said coolant by about 180° degrees such that said feed port is arranged on one end of said flow path and said return port is arranged on the other end of said flow path; and an inlet exposing an end portion of said partition wall facing said U-turn region and a part of said U-turn region, and configured to inject the coolant into said reservoir, the upper side of said flow path being provided with an inclined surface inclined upward to said inlet.