Construction machine
AssigneeHitachi Construction Machinery Co., Ltd.
InventorsHiroshi Kumagai, Hiroaki Fujishima
Life of this patent
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Abstract
A fuel filling device (18) for refueling a fuel tank (14) is disposed in the vicinity of an exhaust gas post-treatment device (10). Specifically, the fuel filling device (18) is disposed over a hydraulic pump (11) provided to an engine (9) and at a height position equivalent to the exhaust gas post-treatment device (10). Therefore, the fuel filling device (18) can be heated for a short period of time by the exhaust gas post-treatment device (10) which is exposed to high temperature soon after the start of the engine (9).
Claims11
A construction machine comprising a lower traveling structure and an upper revolving structure disposed rotatably on the lower traveling structure, wherein
- the upper revolving structure comprises:
- an engine;
- an exhaust gas post-treatment device treating exhaust gas discharged from the engine;
- a fuel tank storing fuels;
- and
- a fuel filling device refueling the fuel tank, wherein
- the fuel filling device comprises:
- a fuel pump;
- a fuel filter;
- a connecting port that is connected to a fuel filling hose for sucking fuels from an exterior oil reservoir tank;
- and a connecting pipe that connects the connecting port, the fuel pump and the fuel filter via conduit portions,
- the fuel filling device is disposed in the vicinity of the exhaust gas post-treatment device, and
- the fuel filter is positioned farther from the exhaust gas post-treatment device than the fuel pump, the connecting port and the conduit portions.
A construction machine comprising a lower traveling structure and an upper revolving structure disposed rotatably on the lower traveling structure, wherein the upper revolving structure comprises:
- an engine;
- an exhaust gas post-treatment device treating exhaust gas discharged from the engine;
- a fuel tank storing fuels;
- and
- a fuel filling device refueling the fuel tank,
- wherein
- the fuel filling device is disposed in the vicinity of the exhaust gas post-treatment device, and
- the fuel filling device further comprises a connecting port to which a fuel filling hose for sucking fuels from an exterior oil reservoir tank is connected, wherein
- the connecting port is disposed at a lowest portion of the fuel filling device.
A construction machine comprising a lower traveling structure and an upper revolving structure disposed rotatably on the lower traveling structure, wherein
- the upper revolving structure comprises:
- an engine;
- an exhaust gas post-treatment device treating exhaust gas discharged from the engine;
- a hydraulic pump driven by the engine;
- a fuel tank storing fuels;
- and
- a fuel filling device refueling the fuel tank,
- wherein
- the fuel filling device is disposed in the vicinity of the exhaust gas post-treatment device over the hydraulic pump, and
- a partition member parting an engine room on the engine side and a pump room on the hydraulic pump side is disposed between the engine and the hydraulic pump, wherein
- the fuel filling device is located on the pump room side opposite to the exhaust gas post-treatment device across the partition member and attached to the partition member.
Dependencies are inferred from the claim text.