US3081027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge control
Assignee: Can Amera Oil Sands Development Ltd
•
Filing: 1959-01-08
•
Granted: 1963-03-12
•
Expires: 1979-01-08
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Coulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:41
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/10; B04B1/12; Y; Y10; Y10S; Y10S494/00; Y10S494/901; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
CONTINUOUS PROCESS CENTRIFUGE APPARATUS AND CONTROL SYSTEM COMPRISING A CENTRIFUGE MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS AND HAVING A MAIN SEPARATING CHAMBER, FIRST LIQUID CARRYING MEANS IN FLUID-FLOW RELATIONSHIP WITH SAID CENTRIFUGE AND ADAPTED TO INTRODUCE A LIQUID THEREIN, A FLOW CONTROL VALVE IN SAID FIRST LIQUID CARRYING MEANS ADAPTED TO REGULATE THE FLOW OF LIQUID IN SAID FIRST LIQUID CARRYING MEANS, A HOUSING DEFINING A SEPARATE CHAMBER, SAID HOUSING BEING CARRIED BY SAID CENTRIFUGE AND ROTATABLE THEREWITH, SAID HOUSING AND SEPARATE CHAMBER BEING MOUNTED CONCENTRICALLY IN SAID CENTRIFUGE ON SAID LONGITUDINAL AXIS, AN INLET PASSAGE IN SAID HOUSING COMMUNICATING IN FLUID-FLOW RELATIONSHIP WITH SAID SEPARATE CHAMBER AND SAID MAIN SEPARATING CHAMBER AND THEREBY BEING ADAPTED TO RECEIVE A PORTION OF THE LIQUID FLOWING INTO SAID CENTRIFUGE THROUGH SAID FIRST LIQUID CARRYING MEANS, AT LEAST ONE SECOND LIQUID CARRYING MEANS CONNECTING SAID SEPARATE CHAMBER AND SAID MAIN SEPARATING CHAMBER IN FLUID-FLOW RELATIONSHIP, A SOURCE OF COMPRESSED AIR, AT LEAST ONE FIRST AIR CARRYING MEANS COMMUNICATING WITH SAID SOURCE OF COMPRESSED
Claim 2
Dependent Claim
171 words
CONTINUOUS PROCESS CENTRIFUGE APPARATUS AND CONTROL SYSTEM COMPRISING A CENTRIFUGE MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS AND HAVING A MAIN SEPARATING CHAMBER, FIRST LIQUID CARRYING MEANS IN FLUID-FLOW RELATIONSHIP WITH SAID CENTRIFUGE AND ADAPTED TO INTRODUCE A LIQUID THEREIN, A FLOW CONTROL VALVE IN SAID FIRST LIQUID CARRYING MEANS ADAPTED TO REGULATE THE FLOW OF LIQUID IN SAID FIRST LIQUID CARRYING MEANS, A HOUSING DEFINING A SEPARATE CHAMBER, SAID HOUSING BEING CARRIED BY SAID CENTRIFUGE AND ROTATABLE THEREWITH, SAID HOUSING AND SEPARATE CHAMBER BEING MOUNTED CONCENTRICALLY IN SAID CENTRIFUGE ON SAID LONGITUDINAL AXIS, AN INLET PASSAGE IN SAID HOUSING COMMUNICATING IN FLUID-FLOW RELATIONSHIP WITH SAID SEPARATE CHAMBER AND SAID MAIN SEPARATING CHAMBER AND THEREBY BEING ADAPTED TO RECEIVE A PORTION OF THE LIQUID FLOWING INTO SAID CENTRIFUGE THROUGH SAID FIRST LIQUID CARRYING MEANS, AT LEAST ONE SECOND LIQUID CARRYING MEANS CONNECTING SAID SEPARATE CHAMBER AND SAID MAIN SEPARATING CHAMBER IN FLUID-FLOW RELATIONSHIP, A SOURCE OF COMPRESSED AIR, AT LEAST ONE FIRST AIR CARRYING MEANS COMMUNICATING WITH SAID SOURCE OF COMPRESSED
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |