Measuring and testing – Volume or rate of flow – Using differential pressure
Patent
1984-08-30
1985-12-24
Woodiel, Donald O.
Measuring and testing
Volume or rate of flow
Using differential pressure
G01F 100
Patent
active
045598347
ABSTRACT:
A multipurpose flowmeter arrangement of simplified construction that may be adapted for a number of different flowmeter applications under both pressure and vacuum conditions, in the form of a one-piece molded plastic body defining a float tube, rearwardly projecting tubular mounting studs at the base and top of the float tube that are also to form the fluid connections to and from the float tube, with the flowmeter body also defining both at the base and at the top of the float tube a cylindrical valve chamber, which valve chambers are aligned with the bores of the respective mounting studs and are each defined by a forwardly projecting cylindrical wall that, for use with valve control, may have fixed to same a sleeve that has an internal left hand thread to optionally threadedly receive either a similarly externally threaded plug to seal the valve chamber in question, or a similarly externally threaded nut that has a right hand internal threading for threadedly mounting a similarly externally threaded valve member for opening and closing the valve of the valve chamber it services. The valve member in question carries a stop flange that engages the nut to prevent removal of the valve member, and the valve member threading is proportioned to provide for free wheeling of same when moved to its fully retracted position, but with the nut and valve member being removable as a unit from the flowmeter to accommodate cleaning of the flowmeter or the like.
REFERENCES:
patent: 2258023 (1941-10-01), McKernon
patent: 3342068 (1967-09-01), Metzger
patent: 3416370 (1968-12-01), Kaucher et al.
patent: 3633421 (1972-01-01), Phillips
patent: 3675481 (1972-07-01), Phillips
patent: 3691835 (1972-09-01), Metzger
Kobos Duane M.
Phillips James W.
Dwyer Instruments, Inc.
Woodiel Donald O.
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