An air conditioning system for automobile having a heater core capable of heating the interior in good efficiency is to be provided. Such a heater core is supplied with the coolant having bubbles removed, and thereby the efficiency of heat exchange is enha...

The chamber (23) containing the viscous fluid being sheared, is constructed directly in a cavity of the impeller rotor (7)

A water-cooled type engine cooling apparatus includes: an oil cooler that circulates cooling water flowing out of a water-cooled type engine; a water temperature detection unit that detects temperature of the cooling water; a switching unit that switches t...