Fluid seal sealing apparatus

Details Fluid seal sealing apparatus Fluid seal sealing apparatus

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/40 (2006.01) F17B 1/06 (2006.01) G01F 25/00 (2006.01)

Patent

CA 2051737

A B S T R A C T The apparatus of the invention is applicable to gasholders and comprises a mercury seal, e.g. for a gas holder, which seal provides fluid-tight sealing in an annular space formed between a cylinder and a piston. The mercury is deposited in a reservoir which is inside the piston but which communicates with the annular space outside the piston. In the reservoir, the mercury is subjected to the inside pressure P of the cylinder, and it moves up inside the annular space when the difference between the inside and outside pressures P and Po increases, thereby forming an adaptive fluid seal.

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