GB9004602D0 - Improvements in or relating to electrically controlled fluid valves - Google Patents

Improvements in or relating to electrically controlled fluid valves

Info

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
Application number
GB909004602A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JONES CLIFTON PRODUCTS Ltd
Original Assignee
JONES CLIFTON PRODUCTS Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JONES CLIFTON PRODUCTS Ltd filed Critical JONES CLIFTON PRODUCTS Ltd
Priority to GB909004602A priority Critical patent/GB9004602D0/en
Publication of GB9004602D0 publication Critical patent/GB9004602D0/en
Priority to PCT/GB1991/000310 priority patent/WO1991013469A1/en
Priority to JP91504987A priority patent/JPH05506706A/en
Priority to AU73127/91A priority patent/AU7312791A/en
Priority to EP19910905257 priority patent/EP0537150A1/en
Pending legal-status Critical Current

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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.
GB909004602A 1990-03-01 1990-03-01 Improvements in or relating to electrically controlled fluid valves Pending GB9004602D0 (en)

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)

* Cited by examiner, † Cited by third party
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

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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