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    • 8. 发明授权
    • Engine powered machine
    • 发动机动力机
    • US08677737B2
    • 2014-03-25
    • US12667612
    • 2008-07-02
    • Shohei KamiyaKazunori Nakamura
    • Shohei KamiyaKazunori Nakamura
    • F01N3/00
    • F01P3/20F01N3/208F01N2610/02F01N2610/03F01N2610/10F01N2610/14F01N2610/1406F01N2610/1486F01N2900/1811
    • An engine powered machine is provided with a high-performance exhaust gas purification system and is capable of promptly raising a temperature of an operator's cab to a comfortable temperature. The exhaust gas purification system that makes use of an NOx removal catalyst and a reducing agent is provided with a reducing agent heater for heating a reducing agent, which is stored in a reducing agent tank, with heat of an engine cooling medium and an on/off device for controlling an introduction of the engine cooling medium into the reducing agent heater. When a temperature of the engine cooling medium is higher than a first predetermined temperature, a temperature of the reducing agent in the tank is lower than a second predetermined temperature and a temperature in an operator's cab is lower than a third predetermined temperature, a controller switches the on/off device into a closed state to increase a flow rate of the engine cooling medium to be guided to a heat exchanger of a heating apparatus.
    • 发动机动力机器具有高性能废气净化系统,能够迅速将驾驶室的温度升高到舒适的温度。 利用NOx去除催化剂和还原剂的排气净化系统设置有还原剂加热器,该还原剂加热器用于将发动机冷却介质的热量和存储在还原剂罐中的还原剂储存在还原剂中, 关闭装置,用于控制将发动机冷却介质引入还原剂加热器中。 当发动机冷却介质的温度高于第一预定温度时,罐中的还原剂的温度低于第二预定温度,并且驾驶室中的温度低于第三预定温度,则控制器切换 开/关装置进入关闭状态,以增加引导到加热装置的热交换器的发动机冷却介质的流量。