Patent ID: 8656765
Filing Date: 2014-02-25
Classification: F02D,F02M,G01N,Y02T

Abstract:
1. A fuel property detection device for a construction machine, which is designed to detect a property of fuel to be supplied to an engine from a fuel tank for storing fuel, comprising: a sub-tank provided in the course of a fuel supply pipeline connecting the engine and the fuel tank, and capable of storing a given amount of fuel; and a sensor provided to the sub-tank and capable of detecting the property of fuel within the sub-tank, wherein the sub-tank has a fuel inlet for introducing therethrough fuel from the fuel tank, and a fuel outlet for sending out therethrough the fuel toward the engine, wherein the sub-tank has a sidewall formed over an entire circumference about an axis along an up-down direction, wherein the fuel inlet and fuel outlet of the sub-tank are provided in the sidewall of the sub-tank at approximately the same position in the circumferential direction of the sidewall and in such a manner that the fuel inlet is disposed below the fuel outlet, and wherein the sensor is provided to a lower portion of the sub-tank.