Flow sensor

Details Flow sensor Flow sensor

1977-05-18

1978-09-19

Yasich, Daniel M.

Signals and indicators

Alarms

Fluid flow

184 1C, F16N 2900, G01F 1506

Patent

active

041145607

ABSTRACT:
A flow sensor for sensing failure of flow of lubricant through a lubricant line, in which a piston is held away from a no-flow position against a spring by pressure of lubricant flowing in the line, the piston being moved by the spring to the no-flow position upon failure of flow thereby to signal the failure, and in which an adjustable bleed is provided to retard the movement of the piston to the no-flow position for signalling only upon a relatively prolonged failure of flow and not upon a relatively short cessation of flow.

REFERENCES:
patent: 2105493 (1938-01-01), Gartin
patent: 2593522 (1952-04-01), Barnes
patent: 2615419 (1952-10-01), Topping
patent: 3074428 (1963-01-01), Mancewicz
patent: 3093109 (1963-06-01), Pedersen
patent: 3322234 (1967-05-01), Mueller et al.
patent: 3500958 (1970-03-01), Callahan et al.
patent: 3526297 (1970-09-01), Rotter et al.

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