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US 6,854,712 B2Granted
Capillary valve that can be pulsed
AssigneeGSF - Forschungszentrum for Unwelt und Gesundheit GmbH
InventorsEgmont Rohwer, Ralf Zimmerman, Ralph Dorfner, Antonius Kettrup
Life of this patent
Estimating the term…
Abstract
In a capillary valve, which can be pulsed and which includes a capillary with a constriction forming a nozzle, a plunger is movably disposed in the capillary and forms, together with the capillary constriction, a seal, and a drive is provided for actuating the plunger within the capillary providing for a small, rapidly responsive, nozzle valve design.
Claims8
Capillary valve that can be pulsed, comprising
- a) a capillary with a constriction formed by a narrowing passage defining a nozzle,
- b) a plunger which is movably disposed in the capillary and which forms, together with the capillary constriction, a seal when the plunger is seated on the wall of the narrowing passage, and
- c) a drive for actuating the plunger so as to unseat the plunger for opening the capillary valve.
Dependencies are inferred from the claim text.