US3266786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-phase disk contactor
Assignee: Allis Chalmers Corp
•
Filing: 1963-11-22
•
Granted: 1966-08-16
•
Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Patrick G Grimes
- 👤 Marvin C Raether
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:07
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/08; C02F3/082; B; B01; B01D; B01D47/00; B01D47/16; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TWO-PHASE CONTACTOR COMPRISING A PLURALITY OF DISKS MOUNTED FOR ROTATION, SAID DISKS BEING LOCATED SO AS TO BE PARTIALLY SUBMERGED IN A LIQUID TO BE TREATED, AT LEAST ONE SURFACE OF EACH OF SAID DISKS HAVING A PLURALITY OF ARCUATELY SPACED INWARDLY EXTENDING RADIAL PROJECTIONS FORMED THEREON, ADJACENT RADIAL PROJECTIONS COOPERATING WITH THE INTERMEDIATE DISK SURFACE TO FORM FLOW CONTROL TROUGHS THEREBETWEEN, SAID TROUGHS TERMINATING IN A GROOVE FORMED BY AN ANNULAR PROJECTION SPACED RADIALLY OUTWARD FROM THE CENTER OF THE DISK AND RADIALLY INWARD FROM THE INNER ENDS OF THE RADIAL PROJECTIONS, SAID PROJECTIONS BEING ARRANGED TO ENTRAP LIQUID IN SAID TROUGHS UPON EMERGING FROM SAID LIQUID AND DIRECT THE FLOW OF SAID LIQUID IN AN ELONGATED PATH ALONG THE SURFACE OF SAID DISK AS SAID DISK IS BEING ROTATED.
Claim 2
Dependent Claim
132 words
A TWO-PHASE CONTACTOR COMPRISING A PLURALITY OF DISKS MOUNTED FOR ROTATION, SAID DISKS BEING LOCATED SO AS TO BE PARTIALLY SUBMERGED IN A LIQUID TO BE TREATED, AT LEAST ONE SURFACE OF EACH OF SAID DISKS HAVING A PLURALITY OF ARCUATELY SPACED INWARDLY EXTENDING RADIAL PROJECTIONS FORMED THEREON, ADJACENT RADIAL PROJECTIONS COOPERATING WITH THE INTERMEDIATE DISK SURFACE TO FORM FLOW CONTROL TROUGHS THEREBETWEEN, SAID TROUGHS TERMINATING IN A GROOVE FORMED BY AN ANNULAR PROJECTION SPACED RADIALLY OUTWARD FROM THE CENTER OF THE DISK AND RADIALLY INWARD FROM THE INNER ENDS OF THE RADIAL PROJECTIONS, SAID PROJECTIONS BEING ARRANGED TO ENTRAP LIQUID IN SAID TROUGHS UPON EMERGING FROM SAID LIQUID AND DIRECT THE FLOW OF SAID LIQUID IN AN ELONGATED PATH ALONG THE SURFACE OF SAID DISK AS SAID DISK IS BEING ROTATED.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |