Fluid handling – Pressure modulating relays or followers – Plural series units
Patent
1974-09-25
1976-02-03
Cohan, Alan
Fluid handling
Pressure modulating relays or followers
Plural series units
137 85, G05D 1600
Patent
active
039358755
ABSTRACT:
In a force balance transmitter having a base structure provided with passages therein and a secondary assembly attached thereto that includes a pneumatically operated relay module detachably secured to the secondary assembly and having passages therein, the improvement of a fluid transfer member being disposed between the module and the base structure while interconnecting the passages of the base structure respectively to the passages of the module, the fluid transfer member being carried by the secondary assembly and having means floatingly interconnecting with the passages of the base structure to tend to isolate motion of at least that part of the base structure from the module.
REFERENCES:
patent: 3008480 (1961-11-01), Fleming et al.
patent: 3550621 (1970-12-01), Lansky et al.
patent: 3749109 (1973-07-01), Rosenfeld et al.
Cohan Alan
Michalsky Gerald A.
Robertshaw Controls Company
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