US2879282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge and method for neutralizing fatty oils
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1954-06-10
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Granted: 1959-03-24
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Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Afzelius Ivar Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:22
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/02; C11B3/06; B; B04; B04B; B04B1/00; B04B1/04; B04B1/08; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
150 words
IN A CENTRIFUGE FOR USE IN TREATING FATTY OILS WITH A NEUTRALIZING REAGENT, INCLUDING A CEENTRIFUGAL BOWL ROTATABLE ON A VERTICAL AXIS AND HAVING A SEPARATING CHAMBER PROVIDED WITH SEPARATE OUTLETS FOR OIL AND NEUTRALIZATION PRODUCTS, AND A HOLLOW SPINDLE DEPENDING FROM THE BOWL AND FORMING A ROTATING FEED CHAMBER COMMUNICATING WITH THE SEPARATING CHAMBER, THE IMPROVEMENT WHICH COMPRISES A REAGENT SUPPLY TUBE FIXED AT THE LOWER END OF THE SPINDLE AND PROJECTING UPWARD INTO THE FEED CHAMBER, AN OIL SUPPLY TUBE FIXED IN SURROUNDING RELATION TO SAID FIRST TUBE AND FORMING THEREWITH AN OIL PASSAGE, AND MEANS FORMING AN HERMETICALLY SEALED PASSAGE BETWEEN THE OIL SUPPLY REAGENT TUBE AND THE LOWER PORTION OF THE BOWL SPINDLE, SAID REAGENT TUBE HAVING OUTLET HOLES OPENING RADIALLY INTO THE SPINDLE AT POINTS LOCATED BEYOND SAID PASSAGE FORMING MEANS, RECKONED IN THE DIRECTION OF OIL FLOW THROUGH SAID LAST MEANS AND THE SPINDLE.
Claim 2
Dependent Claim
150 words
IN A CENTRIFUGE FOR USE IN TREATING FATTY OILS WITH A NEUTRALIZING REAGENT, INCLUDING A CEENTRIFUGAL BOWL ROTATABLE ON A VERTICAL AXIS AND HAVING A SEPARATING CHAMBER PROVIDED WITH SEPARATE OUTLETS FOR OIL AND NEUTRALIZATION PRODUCTS, AND A HOLLOW SPINDLE DEPENDING FROM THE BOWL AND FORMING A ROTATING FEED CHAMBER COMMUNICATING WITH THE SEPARATING CHAMBER, THE IMPROVEMENT WHICH COMPRISES A REAGENT SUPPLY TUBE FIXED AT THE LOWER END OF THE SPINDLE AND PROJECTING UPWARD INTO THE FEED CHAMBER, AN OIL SUPPLY TUBE FIXED IN SURROUNDING RELATION TO SAID FIRST TUBE AND FORMING THEREWITH AN OIL PASSAGE, AND MEANS FORMING AN HERMETICALLY SEALED PASSAGE BETWEEN THE OIL SUPPLY REAGENT TUBE AND THE LOWER PORTION OF THE BOWL SPINDLE, SAID REAGENT TUBE HAVING OUTLET HOLES OPENING RADIALLY INTO THE SPINDLE AT POINTS LOCATED BEYOND SAID PASSAGE FORMING MEANS, RECKONED IN THE DIRECTION OF OIL FLOW THROUGH SAID LAST MEANS AND THE SPINDLE.
Claim 3
Dependent Claim
134 words
IN THE NEUTRALIZING OF FATTY OILS BY MEANS OF AN ALKALINE REAGENT, THE IMPROVEMENT WHICH COMPRISES FEEDING SEPARATE STREAMS OF THE OIL AND REAGENT, RESPECTIVELY, INTO A ROTATING CHAMBER OF A CENTRIFUGAL LOCUS, KEEPING SAID CHAMBER COMPLETELY FILLED WITH OIL DURING SAID FEEDING, THE REAGENT BEING INJECTED DIRECTLY INTO AND MIXED WITH THE OIL MASS ROTATING WITH AND FILLING SAID CHAMBER, SAID INJECTION OF THE REAGENT INTO THE OIL IN THE ROTATING CHAMBER BEING AT A REGION THEREOF LOCATED BEYOND THE POINT WHERE THE OIL ENTERS SAID CHAMBER, RECKONED IN THE DIRECTION OF FLOW THROUGH THE CHAMBER, PASSING THE RESULTING MIXTURE DIRECTLY FROM SAID CHAMBER INTO A SEPARATING CHAMBER OF SAID LOCUS SAND THERE CENTRIFUGING THE MIXTURE TO DIVIDE IT INTO OIL AND SOAP, AND SEPARATELY DISCHARGING THE OIL AND SOAP FROM SAID LOCUS.
Claim 4
Dependent Claim
134 words
IN THE NEUTRALIZING OF FATTY OILS BY MEANS OF AN ALKALINE REAGENT, THE IMPROVEMENT WHICH COMPRISES FEEDING SEPARATE STREAMS OF THE OIL AND REAGENT, RESPECTIVELY, INTO A ROTATING CHAMBER OF A CENTRIFUGAL LOCUS, KEEPING SAID CHAMBER COMPLETELY FILLED WITH OIL DURING SAID FEEDING, THE REAGENT BEING INJECTED DIRECTLY INTO AND MIXED WITH THE OIL MASS ROTATING WITH AND FILLING SAID CHAMBER, SAID INJECTION OF THE REAGENT INTO THE OIL IN THE ROTATING CHAMBER BEING AT A REGION THEREOF LOCATED BEYOND THE POINT WHERE THE OIL ENTERS SAID CHAMBER, RECKONED IN THE DIRECTION OF FLOW THROUGH THE CHAMBER, PASSING THE RESULTING MIXTURE DIRECTLY FROM SAID CHAMBER INTO A SEPARATING CHAMBER OF SAID LOCUS SAND THERE CENTRIFUGING THE MIXTURE TO DIVIDE IT INTO OIL AND SOAP, AND SEPARATELY DISCHARGING THE OIL AND SOAP FROM SAID LOCUS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |