Title:
HYDRAULIC SYSTEM FOR AN ELECTRIC DROP-JET PRINTER AND A DROP TRAP FOR SAID HYDRAULIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2003/106930
Kind Code:
A1
Abstract:
The inventive hydraulic system for an electric drop-jet printer comprises a reservoir and pumping, suction and discharge circuits connected thereto. Said hydraulic system is characterised in that it is provided with a viscometry circuit and a circuit for dosed solvent refilling which is connected to an ink reservoir. Said viscometry circuit comprises a pump of the pumping circuit, a quick-response pressure valve, a measuring receiver, a capillary channel and a viscometric pipe of the ink reservoir. The circuit for dosed solvent refilling comprises the ink reservoir provided with a submersible filter which is arranged on the end surface of an intake manifold connected to the hydraulic system. The peculiarity of the drop trap lies in that, the input channel thereof and a detector of the jet entering said trap are embodied in the form of a single tube which is made maid of a transparent material and forms a meniscus-former incorporated into the clearance of an optical pair.
Inventors:
BEZRUKOV VIKTOR IVANOVICH (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
Application Number:
PCT/RU2002/000305
Publication Date:
December 24, 2003
Filing Date:
June 18, 2002
Export Citation:
Assignee:
BEZRUKOV VIKTOR IVANOVICH (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
International Classes:
G01D15/16; B41J2/04; B41J2/175; B41J2/185; B41J2/20; (IPC1-7): G01D15/18; B41J2/00
Foreign References:
| RU2062991C1 | 1996-06-27 | |||
| US5424766A | 1995-06-13 | |||
| US5418557A | 1995-05-23 | |||
| US5825387A | 1998-10-20 |
Attorney, Agent or Firm:
Podoksik, Michael Yakovlevich (88-60 St.Petersburg, 7, RU)
Download PDF: