Patent DE450229C successfully refreshed from Google Patents.
Patent US3915859A successfully refreshed from Google Patents.
US3915859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing oil from water
Assignee: Leucadia Inc
•
Filing: 1974-04-11
•
Granted: 1975-10-28
•
Expires: 1994-04-11
Abstract
Abstract An apparatus for the removal of oil from water is disclosed. The apparatus comprises a moving belt which selectively absorbs oil and passes water. Automatic means are employed for advancing the belt when it is saturated with oil.
Inventors
- 👤 George H Sundin
- 👤 Fred H Riedel
- 👤 William R Niemi
- 👤 Robert C Slocumb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/102; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/0208; B01D17/0214; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
175 words
APPARATUS FOR SEPARATING A LIQUID FROM A LIQUID MIXTURE COMPRISING AT LEAST TWO IMISCIBLE LIQUID COMPRISING: A. CONTAINING MEANS FOR CONTAINING THE LIQUID MIXTURE, B. RECEIVING MEANS FOR RECEIVING THE BALANCE OF THE MIXTURE AFTER THE LIQUID TO BE REMOVED HAS BEEN SEPARATED THEREFROM, C. A HEET OF SELECTIVELY ABSORBENT MATERIAL POSITIONEDBETWEEN THE LIQUID MIXTURE AN THE RECEIVING MEANS, D. SAID SELECTIVELY ABOSROBENT MATERIAL BEING CAPABLE OF ABSORBING THE LIQUID TO BE REMOVED AND BEING CAPABLE OF PASSING THE BALANCE OF THE MIXTURE E. SUPPLYING MEANS FOR SUPPLYIN SAID SHEET OF SLECTIVELY ABSORBENT MATERIAL, F. ADVANCING MEANS FOR ADVANCING SAID SHEET OF SELECTIVELY ABSORBENT MATERIAL, G. AUTOMATIC MEAS FOR CONTROLLING THE RATE OF ADVANCE OF SAID ADVANCING MEANS, SAID ATOMATIC MEANS INCLUDING: I. AT LEAST ONE DRIVEN ROLL FOR ADVACING THE SELECTIVELY ABSORBENT MATERIAL. II. AT LEAST ONE SENSOR FOR DETECTING THE LEVEL OF LIQUID MIXTURE IN THE CONTAINING MEANS, AND III. SAID DRIVEN ROLL BEING OPERATIVE IN RESPONSE TO A SIGNAL FROM SAID SENSOR IV. WHEREBY THE SHEET OF SELECTIVELY ABSORBENT MATERIAL IS ADVANCED.
Claim 2
Dependent Claim
175 words
APPARATUS FOR SEPARATING A LIQUID FROM A LIQUID MIXTURE COMPRISING AT LEAST TWO IMISCIBLE LIQUID COMPRISING: A. CONTAINING MEANS FOR CONTAINING THE LIQUID MIXTURE, B. RECEIVING MEANS FOR RECEIVING THE BALANCE OF THE MIXTURE AFTER THE LIQUID TO BE REMOVED HAS BEEN SEPARATED THEREFROM, C. A HEET OF SELECTIVELY ABSORBENT MATERIAL POSITIONEDBETWEEN THE LIQUID MIXTURE AN THE RECEIVING MEANS, D. SAID SELECTIVELY ABOSROBENT MATERIAL BEING CAPABLE OF ABSORBING THE LIQUID TO BE REMOVED AND BEING CAPABLE OF PASSING THE BALANCE OF THE MIXTURE E. SUPPLYING MEANS FOR SUPPLYIN SAID SHEET OF SLECTIVELY ABSORBENT MATERIAL, F. ADVANCING MEANS FOR ADVANCING SAID SHEET OF SELECTIVELY ABSORBENT MATERIAL, G. AUTOMATIC MEAS FOR CONTROLLING THE RATE OF ADVANCE OF SAID ADVANCING MEANS, SAID ATOMATIC MEANS INCLUDING: I. AT LEAST ONE DRIVEN ROLL FOR ADVACING THE SELECTIVELY ABSORBENT MATERIAL. II. AT LEAST ONE SENSOR FOR DETECTING THE LEVEL OF LIQUID MIXTURE IN THE CONTAINING MEANS, AND III. SAID DRIVEN ROLL BEING OPERATIVE IN RESPONSE TO A SIGNAL FROM SAID SENSOR IV. WHEREBY THE SHEET OF SELECTIVELY ABSORBENT MATERIAL IS ADVANCED.
Claim 3
Dependent Claim
18 words
The apparatus of claim 1 further comprising means for removing the absorbed liquid from the selectively absorbent material.
Claim 4
Dependent Claim
14 words
The apparatus of claim 2 further comprising means for recycling the selectively absorbent material.
Claim 5
Dependent Claim
21 words
The apparatus of claim 1 wherein the automatic means is responsive to the level of liquid mixture in the containing means.
Claim 6
Dependent Claim
17 words
The apparatus of claim 1 further comprising means for automatically introducing liquid mixture to the containing means.
Claim 7
Dependent Claim
15 words
The apparatus of claim 1 wherein vacuum is used in conjunction with the receiving means.
Claim 8
Dependent Claim
155 words
Apparatus for separating oil from an oil-water mixture comprising: a. containing means for containing the oil-water mixture; b. receiving means for receiving the water after the oil has been separated therefrom; c. a sheet of oil absorbent material positioned between the oil-water mixture and the receiving means; d. said oil absorbent material being capable of absorbing oil and being capable of passing water; e. supply means for supplying said sheet of oil absorbent material; f. advancing means for advancing said sheet of oil absorbent material; g. automatic means for controlling the rate of advance of said advancing means, said automatic means including: i. at least one driven roll for advancing the oil absorbent material; ii. at least one sensor for detecting the level of oil-water mixture in the containing means; and iii. said driven roll being operative in response to a signal from said sensor iv. whereby the sheet of oil absorbent material is advanced.
Claim 9
Dependent Claim
155 words
Apparatus for separating oil from an oil-water mixture comprising: a. containing means for containing the oil-water mixture; b. receiving means for receiving the water after the oil has been separated therefrom; c. a sheet of oil absorbent material positioned between the oil-water mixture and the receiving means; d. said oil absorbent material being capable of absorbing oil and being capable of passing water; e. supply means for supplying said sheet of oil absorbent material; f. advancing means for advancing said sheet of oil absorbent material; g. automatic means for controlling the rate of advance of said advancing means, said automatic means including: i. at least one driven roll for advancing the oil absorbent material; ii. at least one sensor for detecting the level of oil-water mixture in the containing means; and iii. said driven roll being operative in response to a signal from said sensor iv. whereby the sheet of oil absorbent material is advanced.
Claim 10
Dependent Claim
16 words
The apparatus of claim 7 further comprising means for removing oil from the oil absorbent material.
Claim 11
Dependent Claim
14 words
The apparatus of claim 8 further comprising means for recycling the oil absorbent material.
Claim 12
Dependent Claim
18 words
The apparatus of claim 7 wherein the automatic means is responsive to the level of the oil-water mixture.
Claim 13
Dependent Claim
18 words
The apparatus of claim 7 further comprising means for automatically introducing the oil-water mixture to the containing means.
Claim 14
Dependent Claim
15 words
The apparatus of claim 7 wherein vacuum is used in conjunction with the receiving means.
Claim 15
Dependent Claim
19 words
The apparatus of claim 7 wherein the oil absorbent material comprises a felted fibrous sheet of porous vegetable fibers.
Claim 16
Dependent Claim
16 words
The apparatus of claim 13 wherein the felted fibrous sheet is reinforced with a plastic net.
Claim 17
Dependent Claim
146 words
Apparatus for separating a liquid from a liquid mixture comprising at least two immiscible liquids comprising: a. containing means for containing the liquid mixture; b. receiving means for receiving the balance of the mixture after the liquid to be removed has been separated therefrom; c. a sheet of selectively absorbent material positioned between the liquid mixture and the receiving means; d. said selectively absorbent material being capable of absorbing the liquid to be removed and being capable of passing the balance of the mixture; e. supply means for supplying said sheet of selectively absorbent material; f. advancing means for advancing said sheet of selectively absorbent material; g. automatic means for controlling the rate of advance of said advancing means; and h. means for recycling the selectively absorbent material, the recycled selectively absorbent material being positioned between the sheet of selectively absorbent material and the liquid mixture.
Claim 18
Dependent Claim
146 words
Apparatus for separating a liquid from a liquid mixture comprising at least two immiscible liquids comprising: a. containing means for containing the liquid mixture; b. receiving means for receiving the balance of the mixture after the liquid to be removed has been separated therefrom; c. a sheet of selectively absorbent material positioned between the liquid mixture and the receiving means; d. said selectively absorbent material being capable of absorbing the liquid to be removed and being capable of passing the balance of the mixture; e. supply means for supplying said sheet of selectively absorbent material; f. advancing means for advancing said sheet of selectively absorbent material; g. automatic means for controlling the rate of advance of said advancing means; and h. means for recycling the selectively absorbent material, the recycled selectively absorbent material being positioned between the sheet of selectively absorbent material and the liquid mixture.
References Cited (Backward Citations)
US2675129A
Cited
US3048275A
Cited
US3208596A
Cited
US3358834A
Cited
US3630891A
Cited
US3618772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |