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    • 42. 发明专利
    • STORAGE PUMP
    • JPS6365199A
    • 1988-03-23
    • JP21002086
    • 1986-09-05
    • MUTO SHINSAKU
    • MUTO SHINSAKU
    • F04B47/00F04F1/08
    • PURPOSE:To perform pumping efficiently, by installing a piston, provided with a heater, in the pump body connected to the lower end of a lifting pipe, and making the piston go down with the high pressure produced by the heater. CONSTITUTION:A piston 2 provided with a heater is exposed of the upper half to a pressure chamber 3, and when steam in this pressure chamber 3 is heated by the heater and comes to high pressure, the piston 2 comes down, whereby water being filled up in a pump body 1 is pumped up from a lifting pipe 10. When the piston 2 becomes situated in the specified position inside the pump body 1, a solenoid slector valve 6 is operated, and the high pressure in the pressure chamber 3 is expanded in a storage tank 5 and comes to low pressure. Therefore, water in a low level is pumpable to an elevated spot with strong pumping force.
    • 47. 发明专利
    • DRAIN DEVICE
    • JP2001012399A
    • 2001-01-16
    • JP17848099
    • 1999-06-24
    • MAZDA EARTH TECHNOLOGIES CO LT
    • SHIBUKAWA TAKAO
    • F04F1/08F04F1/06
    • PROBLEM TO BE SOLVED: To discharge the liquid in a recessed hole staying at the deep position in the earth to the outside effectively by a simple structure. SOLUTION: This device has a pump main body 2 installed in a recessed hole, a pressurized air supply source for supplying the pressurized gas in this pump main body 2 and a suction pipe 5 of liquid connected to the pump main body 2. The pump main body 2 is provided with a connection pipe 8 connected to the upper end of the suction pipe 5, a drain pipe 9 connected to the upper end of this connection pipe 8, a cylinder body 10 consisting of an elastic body installed so as to surround the connection pipe 8, an introduction part 17 for introducing the pressurized gas supplied from the pressurized air supply source into the cylinder body 10 and a delivery part 22 for delivering the pressurized gas introduced in this cylinder body 10 in the recessed hole by a prescribed pressure.