On a revolving frame (5), a counterweight (6), an engine (7), a cooling fan (9), a heat exchanger (10), an exterior cover (14) forming a machine room (15) on the revolving frame (5), an exhaust gas purifying device(16) including a urea selective reduction catalyst (24), a urea water injection valve (26) injecting a urea water which is a reducing agent toward an upstream side of the urea selective reduction catalyst (24), and a urea water supply line (28) through which the urea water to be supplied to the urea water injection valve (26) flows are provided. A horizontal support member (34) supporting the exterior cover (14) is provided on a front side of the counterweight (6), and a heat shield cover (38) is mounted on the horizontal support member (34). A line accommodating space (41) is formed between the horizontal support member (34) and the heat shield cover (38), and a urea water supply line (28) for shielding heat from the engine (7) is accommodated in this line accommodating space (41).


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    Title :

    CONSTRUCTION MACHINE WITH EXHAUST GAS TREATMENT SYSTEM


    Additional title:

    BAUMASCHINE MIT ABGASREINIGUNGSSYSTEM
    ENGIN DE CHANTIER AVEC SYSTÈME DE TRAITEMENT DE GAZ D'ECHAPPEMENT


    Contributors:

    Publication date :

    2020-08-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E02F Baggern , DREDGING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B66C Krane , CRANES / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL



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