Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Patent
1986-09-29
1987-10-20
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
137460, 137559, 116275, 116276, F16K 3700
Patent
active
047007427
ABSTRACT:
An automatic shut-off device for interrupting flow to a remote system in response to a flow fault associated with the remote system. The device generally includes a flow detection assembly, which senses the fluid flow through the remote system, and a fault detection assembly, which detects an interruption in the flow associated with the remote system and accordingly shuts-off fluid flow through the flow detection assembly. The flow and fault detection assemblies are remotely housed yet are mechanically connected by a common valve stem which connects the fault valve assembly with the flow interruption assembly. A metering assembly disposed in the flow detection assembly is responsive to the fluid flow and provides a visual indication of the flow rate through the system. Also provided are means for manually resetting the device in order to provide fluid flow upon correction of the fault.
REFERENCES:
patent: 3171432 (1965-03-01), Bard
patent: 3434493 (1969-03-01), Owens
patent: 4022245 (1977-05-01), Davis
patent: 4188971 (1980-02-01), Otteson
patent: 4346607 (1982-08-01), Rosaen
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