When cold WFI is needed, the cooling mode (fig. 5) is turned on by an air switch, which closes the recirculationvalve and opens the cooling water valve. Within seconds cold WFI is available.
A check valve exhaust gas recirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.
提出了采用单向阀利用进排气压力波动的废气再循环(EGR)系统。
3
Remove the blanking plugs from the cabin recirculation fan (15), the sleeve (1) and from the check valve (7).