Title:
METHOD FOR MEASURING FLUID VISCOSITY AND DEVICE FOR CARRYING OUT SAID METHOD
Document Type and Number:
WIPO Patent Application WO/2004/001391
Kind Code:
A1
Abstract:
The invention relates to measurement engineering and can be used for electric drop-jet marking printers. The inventive method involves the measurement of fluid viscosity consisting in pumping a fluid in a reservoir, flowing said fluid through a capillary channel and measuring the parameters of said flow, thereby making it possible to determine fluid viscosity. The fluid is pumped in a receiver (accumulator) with the aid of a pulse pressure source. When the fluid flows through the capillary channel, the time of pressure loss between two pressure levels is measured, thereby determining fluid viscosity. The inventive device comprises a reservoir, the receiver (accumulator) and pressure gauge which are arranged between the pressure source and the capillary channel, said pressure gauge being connected to a pressure-loss measuring device. One of the walls of the receiver (accumulator) is embodied in the form of a rubber membrane. In addition, said device can comprise a control valve, for example an electromagnetic valve for switching on the device when necessary, for example with required periodicity. Said control valve is serially connected to the capillary channel.
Inventors:
BEZRUKOV VIKTOR IVANOVICH (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
Application Number:
PCT/RU2002/000311
Publication Date:
December 31, 2003
Filing Date:
June 25, 2002
Export Citation:
Assignee:
BEZRUKOV VIKTOR IVANOVICH (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
SPIRIDONOV VLADIMIR DMITRIEVIC (RU)
International Classes:
G01N11/08; B41J2/195; G01N11/06; B01L3/02; (IPC1-7): G01N11/06
Foreign References:
| SU1789909A1 | ||||
| SU1323919A1 | 1987-07-15 | |||
| SU1543296A1 | 1990-02-15 | |||
| US5331843A | 1994-07-26 |
Attorney, Agent or Firm:
Podoksik, Mikhail Yakovlevich (88-60 St.Petersburg, 7, RU)
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