Measuring and testing – Volume or rate of flow – Weir type
Patent
1981-02-26
1982-10-12
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Weir type
G01F 120
Patent
active
043532519
ABSTRACT:
A mounting apparatus for a liquid flow meter adapted to be detachably mounted upon the top edge of a weir. The mounting apparatus includes a base plate supporting a clock-driven recording drum for rotary movement above the base plate and for supporting a stilling well below the base plate. A float shaft, having a float at its lower end within the stilling well, extends through the base plate for vertical reciprocal movement and supports a scribing tool above the base plate for scribing engagement with the recording drum. The recording drum, scribing tool and all other elements supported above the base plate are enclosed in a bell jar housing sealingly held against the top surface of the base plate to provide sufficient air pressure to limit the rise of any liquid within the bell jar housing. The bottom surface of the base plate also supports a plurality of magnets for engaging a ferromagnetic surface fixed to the top edge portion of a weir for securing the mounting apparatus in a stable position upon the weir. A magnetic release mechanism is provided in the form of an elongated handle member having an arm pivotally mounted upon the base plate and having a free end adapted to cam against the ferromagnetic surface to force the magnets and the base plate away from magnetic engagement with the ferromagnetic surface, so the device can be easily removed from the weir.
REFERENCES:
patent: 802901 (1905-10-01), Yabsley et al.
patent: 1078669 (1913-11-01), Gamble
patent: 1159150 (1915-11-01), Yarnall
Goldstein Herbert
J. R. Wauford and Company, Consulting Engineers, Inc.
Lackey Harrington A.
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