DROP GENERATOR

PROBLEM TO BE SOLVED: To provide a drop generator that emits drops having a substantially constant drop mass. SOLUTION: The drop generator includes a pressure chamber and a flexible diaphragm plate disposed on the chamber and forming a wall of the pressure chamber. The diaphragm plate includes a rec...

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Bibliographische Detailangaben
Hauptverfasser:	WILLIAMS BRIAN E, TERRANCE L STEPHENS, BROOKFIELD JOHN M, PADGETT JAMES D
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a drop generator that emits drops having a substantially constant drop mass. SOLUTION: The drop generator includes a pressure chamber and a flexible diaphragm plate disposed on the chamber and forming a wall of the pressure chamber. The diaphragm plate includes a recess that forms a perimeter around the bottom surface of the transducer and that partially underlies at least one edge of the bottom surface. An outlet channel is connected to the pressure chamber to receive ink from a pressure chamber and has a channel axis that is perpendicular to the diaphragm plate. The outlet channel includes a first outlet channel section and a second outlet channel section. The first outlet channel section includes a plurality of subsections having alternating diameters. The second outlet channel section includes an aperture disposed at an end thereof. The second outlet channel section has a substantially continuous cross-sectional shape and a length that is greater than a length of the first outlet channel section. COPYRIGHT: (C)2010,JPO&INPIT