Gas blanket controller

Details Gas blanket controller Gas blanket controller

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/126 (2006.01) G05D 16/16 (2006.01)

Patent

CA 2249510

A gas blanket controller, comprising a housing defining a chamber sealed with a diaphragm on a first side of the chamber, and a fitting for a tank outlet on another side of the chamber; a rod secured to the diaphragm for movement with the diaphragm; a rod guide secured to the housing, the rod being guided by the rod guide; weights secured to the rod providing a force resisting movement of the rod; a control linkage secured to the rod; a microswitch mounted on the housing, the microswitch having a toggle that is actuated by the control linkage; a gas blanket supply line; a gas blanket motor control valve on the gas blanket supply line; a communication link between the microswitch and the gas blanket motor control valve; and the rod having a range of motion such that the toggle is operable by contact with the control linkage, whereby the microswitch opens and closes the gas blanket control valve upon operation of the toggle.

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