WO1991013469A1 - Improvements in or relating to electrically controlled fluid valves - Google Patents
Improvements in or relating to electrically controlled fluid valves Download PDFInfo
- Publication number
- WO1991013469A1 WO1991013469A1 PCT/GB1991/000310 GB9100310W WO9113469A1 WO 1991013469 A1 WO1991013469 A1 WO 1991013469A1 GB 9100310 W GB9100310 W GB 9100310W WO 9113469 A1 WO9113469 A1 WO 9113469A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- flow control
- sheet
- electric field
- open
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0026—Valves using channel deformation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
- F16K99/0042—Electric operating means therefor
- F16K99/0048—Electric operating means therefor using piezoelectric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/05—Heads having a valve
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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91504987A JPH05506706A (en) | 1990-03-01 | 1991-02-28 | Improved electrically controlled fluid valve |
Applications Claiming Priority (2)
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 |
GB9004602.0 | 1990-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991013469A1 true WO1991013469A1 (en) | 1991-09-05 |
Family
ID=10671829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1991/000310 WO1991013469A1 (en) | 1990-03-01 | 1991-02-28 | 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) |
Citations (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 |
WO1987007218A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Piezoelectrically operated fluid pump |
-
1990
- 1990-03-01 GB GB909004602A patent/GB9004602D0/en active Pending
-
1991
- 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
- 1991-02-28 WO PCT/GB1991/000310 patent/WO1991013469A1/en not_active Application Discontinuation
Patent Citations (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 |
WO1987007218A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Piezoelectrically operated fluid pump |
Also Published As
Publication number | Publication date |
---|---|
AU7312791A (en) | 1991-09-18 |
JPH05506706A (en) | 1993-09-30 |
EP0537150A1 (en) | 1993-04-21 |
GB9004602D0 (en) | 1990-04-25 |
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