Patent ID: 9200550
Filing Date: 2015-12-01
Classification: B60K,E02F,F01N,Y02A,Y02T

Abstract:
1. A hydraulic excavator comprising: an engine; a rotating frame configured to support the engine; a vehicle body frame provided in a standing manner on the rotating frame, the vehicle body frame including a plurality of column members; a diesel particulate filtering device configured to process exhaust from the engine, the diesel particulate filtering device being supported by the vehicle body frame, and the diesel particulate filtering device including a first tubular body portion; a selective catalytic reduction device configured to process exhaust from the engine, the selective catalytic reduction device being supported by the vehicle body frame, and the selective catalytic reduction device including a second tubular body portion; a connecting pipe having an extendable bellows part in at least a portion thereof, the connecting pipe connecting the engine and the diesel particulate filtering device; and a connecting portion for the diesel particulate filtering device and the connecting pipe located at a lowermost point of the diesel particulate filtering device in an elevational view of the vehicle body frame, the diesel particulate filtering device being located further away from the engine than the selective catalytic reduction device along a first direction on a horizontal plane, the first tubular body portion of the diesel particulate filtering device and the second tubular body portion of the selective catalytic reduction device being disposed apart from each other with a space therebetween in a plan view of the vehicle body frame, and a portion of the bellows part being located below the selective catalytic reduction device in an elevational view of the vehicle body frame.