Indicator-equipped flow regulating valve

Details Indicator-equipped flow regulating valve Indicator-equipped flow regulating valve

2006-06-27

2006-06-27

Rivell, John (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Fluid pressure responsive indicator, recorder or alarm

C137S553000, C137S559000, C251S014000, C251S063500

Reexamination Certificate

active

07066202

ABSTRACT:
An indicator-equipped flow regulating valve includes a valve body through which a fluid flows, a connecting body connected to an upper portion of the valve body, a housing connected to an upper portion of the connecting body, a piston arranged in the connecting body and the housing and displaceable when pressed by the pilot air, a shaft connected to the piston, a diaphragm connected to a lower end of the shaft and seated on a valve seat formed in the valve body, a flow regulating section regulating the flow rate of the fluid flowing through the valve body, and an indicator section indicating an opened/closed state of the diaphragm.

REFERENCES:
patent: 3451423 (1969-06-01), Priese
patent: 6138712 (2000-10-01), Hirose
patent: 6481459 (2002-11-01), Fukano et al.
patent: 6805158 (2004-10-01), Ejiri

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