Apparatus for producing water seal in protective tube of the...

Details Apparatus for producing water seal in protective tube of the... Apparatus for producing water seal in protective tube of the...

F - Mech Eng,Light,Heat,Weapons

17

C

137/18.1, 61/2.4

F17C 13/00 (2006.01) B65G 5/00 (2006.01)

Patent

CA 2003031

Abstract of Disclosure The present invention concerns an apparatus for producing a water seal in a protective tube of a submersed pump of a gas cistern , on the lower end whereof being a bend on a tubular structure enabling the producing of a water seal. The apparatus comprises a chamber , which with two or several tubes communicates with the top end of the protective tube , and valves with the aid of which the filling of the chamber with water may be carried out in subsequent operational steps, whereby the gas contained in the chamber simultaneously discharges from the chamber , and the forcing of the water enclosed in the chamber into said protective tube with the pressure of the gas prevailing therein, whereby, by carrying out said subsequent operational steps, the pressure of the gas of the protective tube can be made to fall to the level of the atmospheric pressure.

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