Vibrating sureening device for distributing powder with adjustable flow rate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 23, 2002
app pub date -
Oct 29, 2001
filing date -
Nov 6, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
The apparatus includes a feed hopper (39), a vibratory module (20) formed by a sieve (26) and by a first transducer (22) associated with a first resonator (21), said transducer (22) receiving an a.c. control voltage V.sub.com allowing it to transmit mechanical vibrations to said sieve (26, 26') in response, means (30, 40) for locking said vibratory module (20) below said hopper (39), and an electronic control unit (50) arranged to supply said control voltage V.sub.com,. It is characterized in that it further includes a second transducer (24) arranged in proximity to said sieve (26) and in that said control unit (50) includes a stage (55) arranged to receive a measuring voltage V.sub.mes. representative of the mechanical vibrations and to adjust the control voltage V.sub.com of the first transducer (22) in response so as to enslave the powder flow rate value to a predetermined desired value.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| AU | A | AU8365401 | Oct 26, 2001 |
| EP | A1 | EP1203620 | Oct 30, 2001 |
| RU | A | RU2001129815 | Nov 05, 2001 |
| JP | A | JP2002204946 | Nov 06, 2001 |
International Classification(s)
- 2001 Application Filing Year
- G01F Class
- 610 Applications Filed
- 233 Patents Issued To-Date
- 38.20 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- G01F Class
- 3.54 % this patent is cited more than
- 23 Age