Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element is fluid pressure sensitive
Patent
1982-04-07
1987-08-18
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element is fluid pressure sensitive
285114, 285228, 422144, 422145, 422219, 422221, B01J 818, F16L 5500
Patent
active
046876391
ABSTRACT:
An improved universal expansion joint having counterthrust means for controlling pressure-induced expansion. Movable bellows means in the form of one or more expansible bellows or one or more contractile fluid power cylinders are disclosed for applying counterthrust force to the expansion joint. Means responsive to the pressure within the expansion joint or the temperature of or the strain on the conduit connected to the expansion joint are disclosed for applying the desired fluid pressure to the bellows means to achieve the proper counterthrust force. Also disclosed are a method of employing the improved expansion joint and a system in which the improved expansion joint is advantageously utilized.
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Marcus Michael S.
Phillips Petroleum Company
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