Apparatus for filling gauge and sensor protectors with pressure transmitting fluid, diaphragm housing used therefor, and method using such apparatus

Abstract

Disclosed herein is an apparatus for filling gauge and sensor protectors with pressure transmitting fluid, diaphragm housing used therefor and method using such an apparatus. The apparatus includes tubing. A connector is connected to the inner end of the first side of the tubing. A syringe is filled with filling fluid and connected to the outer end of a first branch of the second side of the tubing. A vacuum pump is connected to the outer end of the second branch of the second side of the tubing. A fluid trap container is situated at a position of the tubing between both ends of the second branch of the second side of the tubing. First, second, third and fourth solenoid valves are disposed on the first branch of the second side of the tubing at a position between both ends of the first branch, on a drain tube connected to a portion of the second branch of the second side of the tubing between the vacuum pump and the fluid trap container, on the second branch of the second side of the tubing at a position inside of the fluid trap container, and on the first side of the tubing at a position between both ends of the first side, respectively.

Dependencies are inferred from the claim text.