GB9004602D0 - Improvements in or relating to electrically controlled fluid valves - Google Patents
Improvements in or relating to electrically controlled fluid valvesInfo
- Publication number
- GB9004602D0 GB9004602D0 GB909004602A GB9004602A GB9004602D0 GB 9004602 D0 GB9004602 D0 GB 9004602D0 GB 909004602 A GB909004602 A GB 909004602A GB 9004602 A GB9004602 A GB 9004602A GB 9004602 D0 GB9004602 D0 GB 9004602D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- matrix
- control
- valve
- pattern
- relating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Micromachines (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention provides an electrically generated flow control valve comprising a valve member (10) formed of a piezo-electric material and means (12, 13) arranged to apply an electric field to the valve member to cause it to distort selectively to a valve open or a valve closed position. The invention extends to a matrix of such valves formed in a sheet of piezo-electric material which may be selectively opened or closed in a pattern, and the use of such a matrix to control the flow of ink so that the matrix may be used to print a pattern or legend on an article. While the main disclosure relates to the control of liquid or fluid flow with such valves, the invention also extends to the control of light or other radiation to allow such radiation to pass or not, to modulate the amplitude of its passage, either in a single beam or in a pattern or matrix.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909004602A GB9004602D0 (en) | 1990-03-01 | 1990-03-01 | Improvements in or relating to electrically controlled fluid valves |
PCT/GB1991/000310 WO1991013469A1 (en) | 1990-03-01 | 1991-02-28 | Improvements in or relating to electrically controlled fluid valves |
JP91504987A JPH05506706A (en) | 1990-03-01 | 1991-02-28 | Improved electrically controlled fluid valve |
AU73127/91A AU7312791A (en) | 1990-03-01 | 1991-02-28 | Improvements in or relating to electrically controlled fluid valves |
EP19910905257 EP0537150A1 (en) | 1990-03-01 | 1991-02-28 | Improvements in or relating to electrically controlled fluid valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909004602A GB9004602D0 (en) | 1990-03-01 | 1990-03-01 | Improvements in or relating to electrically controlled fluid valves |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9004602D0 true GB9004602D0 (en) | 1990-04-25 |
Family
ID=10671829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB909004602A Pending GB9004602D0 (en) | 1990-03-01 | 1990-03-01 | Improvements in or relating to electrically controlled fluid valves |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0537150A1 (en) |
JP (1) | JPH05506706A (en) |
AU (1) | AU7312791A (en) |
GB (1) | GB9004602D0 (en) |
WO (1) | WO1991013469A1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056742A (en) * | 1976-04-30 | 1977-11-01 | Tibbetts Industries, Inc. | Transducer having piezoelectric film arranged with alternating curvatures |
DE3618106A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Ag | PIEZOELECTRICALLY OPERATED FLUID PUMP |
-
1990
- 1990-03-01 GB GB909004602A patent/GB9004602D0/en active Pending
-
1991
- 1991-02-28 WO PCT/GB1991/000310 patent/WO1991013469A1/en not_active Application Discontinuation
- 1991-02-28 AU AU73127/91A patent/AU7312791A/en not_active Abandoned
- 1991-02-28 EP EP19910905257 patent/EP0537150A1/en not_active Withdrawn
- 1991-02-28 JP JP91504987A patent/JPH05506706A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH05506706A (en) | 1993-09-30 |
WO1991013469A1 (en) | 1991-09-05 |
EP0537150A1 (en) | 1993-04-21 |
AU7312791A (en) | 1991-09-18 |
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