Low volume flow meter

Details Low volume flow meter Low volume flow meter

1991-05-01

1993-06-08

Ng, Jin F.

Communications: electrical

Condition responsive indicating system

Specific condition

340609, 7386177, G08B 2100

Patent

active

052183467

ABSTRACT:
The low flow monitor provides a means for determining if a fluid flow meets a minimum threshold level of flow. The low flow monitor operates with a minimum of intrusion by the flow detection device into the flow. The electrical portion of the monitor is externally located with respect to the fluid stream which allows for repairs to the monitor without disrupting the flow. The electronics provide for the adjustment of the threshold level to meet the required conditions. The apparatus can be modified to provide an upper limit to the flow monitor by providing for a parallel electronic circuit which provides for a bracketing of the desired flow rate.

REFERENCES:
patent: 3792610 (1974-02-01), Kountanis et al.
patent: 3922525 (1975-11-01), Kozak et al.
patent: 4797666 (1989-01-01), Baxter et al.
patent: 4851666 (1989-07-01), Anderson et al.

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