US3837913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously operating centrifuge
Assignee: BMA Braunschweigische Maschinenbauanstalt AG
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Filing: 1972-06-23
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Granted: 1974-09-24
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Expires: 1992-06-23
Abstract
Abstract A sugar centrifuge is provided with a feed-in arrangement for sugar massecuite in which a massecuite stream falling through an inlet tube is sprayed with water. Steam is also circulated around the stream of massecuite whereby the latter is exposed to steam jets. The massecuite falls into a distribution cup having vertical projecting mixing pins. An accelerating cone receives the massecuite from the cup and feeds it to the centrifuge proper.
Inventors
- 👤 H Hillebrand
- 👤 H Schaper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:10
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/06; B04B3/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
29 words
The massecuite feeding arrangement of claim 1, wherein said accelEration cone means is frustoconical with a lower base open and wherein the inlet tube extends through the upper base.
Claim 2
Dependent Claim
34 words
The massecuite feeding arrangement of claim 2, comprising sealing means on said inlet tube for substantially sealing spaces between said tube and said acceleration cone means to prevent the passage of air between them.
Claim 3
Dependent Claim
67 words
The massecuite feeding arrangement of claim 1, wherein said means for introducing steam into said vertical inlet tube comprises a double shell surrounding said vertical inlet tube to form a cavity for receiving steam from a source of steam, and apertures in the walls of said vertical inlet tube for directing steam from said cavity radially inwardly relative to said vertical inlet tube and onto said massecuite.
Claim 4
Dependent Claim
63 words
The massecuite feeding arrangement of claim 1, wherein the top of said vertical inlet tube has a funnel-shape having a top diameter greater than the bottom diameter to form said means for introducing massecuite, said means for exposing the massecuite to washing water being arranged around the top of said funnel-shape whereby the washing water is introduced at the top of the funnel-shape.
Claim 5
Dependent Claim
54 words
The massecuite feeding arrangement of claim 1, wherein said means for exposing the massecuite to washing water comprises an annular tube positioned at the top of said vertical inlet tube and having inwardly facing apertures, whereby water introduced into said annular tube is directed radially inwardly into said inlet tube and onto the massecuite.
Claim 6
Dependent Claim
28 words
The massecuite feeding arrangement of claim 1, further comprising means for adjusting the spacing between the bottom edge of said inlet tube and the bottom of said cup.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |