Fluid sprinkling – spraying – and diffusing – Processes – Of discharge modification of flow varying
Reexamination Certificate
2011-03-08
2011-03-08
Gorman, Darren W (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Processes
Of discharge modification of flow varying
C239S533130, C239S546000, C239S576000, C239S602000, C239SDIG012, C417S053000, C417S474000, C417S478000
Reexamination Certificate
active
07900850
ABSTRACT:
A microdosing apparatus and method include a fluid conduit having a flexible tube with a first end for connecting to a fluid reservoir and a second end where an outlet opening is located. An actuating device with a displacer with an adjustable stroke is provided, by which the volume of a portion of the flexible tube can be changed to thereby dispense liquid as free flying droplets or as a free flying jet at the outlet opening by moving the displacer between a first end position and a second end position, whereby the tube is partly compressed in the first or the second end position.
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English translation of Japanese Office Action dated May 12, 2009.
Stemme et al.: “A valveless diffuser
ozzle-based fluid pump”, Elsevier Sequoia, Sensors and Actuators, A, 39, 1993, pp. 159-167.
Birkle Gerhard
Koltay Peter
Streule Wolfgang
Zengerle Roland
Gorman Darren W
Greenberg Laurence A.
Locher Ralph E.
Sterner Werner H.
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