Device for displaying the level of fluid contained in a tank

Details Device for displaying the level of fluid contained in a tank Device for displaying the level of fluid contained in a tank

1980-05-13

1982-08-10

Howell, Kyle L.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

73323, 73716, G01F 2316

Patent

active

043431844

ABSTRACT:
A device for displaying the level of a fluid in a tank includes a housing, a membrane being positioned within the housing to separate the housing internally into a first portion and a second portion, which are fluid tight from one another. Fluid communication between the tank and the first portion of the housing is provided by conduit or the like. A pipe, at least a portion of which is transparent or translucent, is in fluid communication with the second part of the housing. A display liquid of given substantially fixed volume is held within the pipe. A spring within the second portion of the housing is in contact with the membrane on that side thereof which is in contact with the display liquid. A nut fixed to the housing has a screw extending through it into the second portion of the housing, the screw being in contact with the spring to adjustably compress it. Marks for determining the instant relative position of the screw with respect to the nut are provided on the nut. When the screw is positioned so that the level of display fluid in the tube is opposite a reference mark thereon, the mark on the nut adjacent a distinct part of the screw indicates the volume of fuel in the tank.

REFERENCES:
patent: 2841011 (1958-07-01), Mayes
patent: 3545276 (1970-12-01), Parr
patent: 3713338 (1973-01-01), Kind
patent: 4048855 (1977-09-01), Setournet
"Instrumentation", vol. 8 #, 1965 First Quarter, pp. 24-27, An Article Entitled, Measuring Liquid Level.

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