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公开(公告)号：JP2002166549A
公开(公告)日：2002-06-11
申请号：JP2001299272
申请日：2001-09-28
Applicant: XEROX CORP
Inventor： GOORAY ARTHUR M , GEORGE J LAWLER , GALAMBOS PAUL , PETER FRANK J , ZAVADIL KEVIN , GIVLER RICHARD C , CROWLEY JR JOSEPH
Abstract: PROBLEM TO BE SOLVED: To increase an electrostatic potential for ejecting a fluid inside an electrostatic fluid ejector. SOLUTION: The fluid ejector includes closed dual diaphragm structures 210 and 212, electrode structures 220 and 222 opposite in parallel to the diaphragm structures, and a structure for storing the fluid to be ejected. A diaphragm chamber 214 for storing a relatively non-compressive fluid is arranged behind diaphragms and is tightly closed by the diaphragms. At least, one nozzle hole 242 is formed to a front panel 240 of the ejector one upper than the diaphragms. A pressure is sent to the second diaphragm 212 by the deformation of the first diaphragm 210. The sent pressure and the relatively non-compressive fluid stored in the closed diaphragm chamber 214 deform the second diaphragm 212 in an opposite direction, whereby the fluid is forcibly ejected via the nozzle hole 242.
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公开(公告)号：JP2002187272A
公开(公告)日：2002-07-02
申请号：JP2001297071
申请日：2001-09-27
Applicant: XEROX CORP
Inventor： GOORAY ARTHUR M , GEORGE J LAWLER , GALAMBOS PAUL , PETER FRANK J , ZAVADIL KEVIN , GIVLER RICHARD C , HUMPHREYS D RUSSELL , SNIEGOWSKI JEFFRY J , CROWLEY JR JOSEPH
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic driving system for realizing a fluid ejector insensitive to the physical properties of a fluid. SOLUTION: In the driving system for the fluid ejector 100 for discharging and replenishing the fluid, a magnetic field is generated by a coil or a magnetic material element, which is mounted inside the fluid ejector 100, and magnetic force in the magnetic field causes a change in volume capacity between a piston 110 and a face plate 120 for the purpose of discharging and replenishing the fluid.
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