| 摘要 |
PROBLEM TO BE SOLVED: To unmannedly and automatically feed oil from an oil can to an oil tank when an amount of oil remaining in the oil tank is reduced. SOLUTION: This automatic oil feeding device comprises an oil tank 1 provided at an internal part with an oil remaining amount monitoring means 3; an oil can 5 having capacity higher than that of the oil tank, a piping 7 for oil to which the oil can 5 and the oil tank are connected; a first switching means 9 arranged in series in the middle of the piping for oil and from the oil tank side; a diaphragm pump 13; a first piping for air to intercouple the diaphragm pump and a second switching means 15; a second piping 21 for air to interconnect the second switching means and an air source 19, a third piping 25 for air to interconnect the second switching means and the air source; and an electric box 35 to operate the first and second switching means when the oil remaining amount monitoring means is turned ON and OFF.
|
