PROCESS AND DEVICE FOR DELIVERY OF FLUID BY CHEMICAL REACTION

Processes and devices for delivering a fluid by chemical reaction are disclosed. A chemical reaction is initiated in a reaction chamber to produce a gas, and the gas acts upon a piston to deliver the fluid. Preferred devices typically include an upper chamber, a lower chamber, a fluid chamber, a pis...

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Hauptverfasser: Muenzer Christopher H, McKenzie Christopher P, Madland Steven M, Blum Timothy M, Heintz Amy M, Kaseman Brian J, Bennison Corrie, Ellis Jeffrey L
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Processes and devices for delivering a fluid by chemical reaction are disclosed. A chemical reaction is initiated in a reaction chamber to produce a gas, and the gas acts upon a piston to deliver the fluid. Preferred devices typically include an upper chamber, a lower chamber, a fluid chamber, a piston between the lower chamber and the fluid chamber, and a barrier between the upper chamber and the lower chamber. When the barrier is broken, reagents in the upper chamber and the lower chamber are mixed together to generate the gas.