Patent US5482629A successfully refreshed from Google Patents.
US5482629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating particles from liquids
Assignee: Emission and Power Solutions Inc
•
Filing: 1994-12-07
•
Granted: 1996-01-09
•
Expires: 2014-12-07
Abstract
Abstract Method and apparatus for separating immiscible solid or liquid particles such as oil from a liquid-based mixture or emulsion. The apparatus consists of two spaced apart concentric elongated metal cylinders. The wall of the innermost cylinder contains a multiplicity of spaced apart radially bored holes and its exit end is capped. The outer surface of the innermost cylinder and the inner surface of the outer cylinder consists of an alloy of copper and nickel. Liquid is pumped under pressure into the innermost cylinder causing a multiplicity of jets of liquid to issue from the holes in the inner cylinder wall to bombard the copper-nickel surface of the inner wall of the outer cylinder. Electrons freed from the copper in the wall combine with both liquid molecules and particle molecules, causing the particles to separate from the liquid.
Inventors
- 👤 William W. Rippetoe
- 👤 David N. Shroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:09
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/044; B01D35/00; B01D35/02; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
171 words
Apparatus for pre-treating a liquid-based mixture or emulsion containing immiscible particles to enhance the subsequent separation of the particles from the liquid comprising a first elongated metal pipe having an entry end and an exit end and a plurality of identical spaced apart holes in wall of the pipe, a cap enclosing the exit end of the pipe, a second elongated metal pipe having an entry end and an exit end whose inner diameter is greater than the outer diameter of the first pipe and is in axial alignment with and surrounds the first pipe, the first and second pipes being made of metal, the inner surface of the outer cylinder and the outer surface of the inner cylinder consisting of an exclusively copper-nickel alloy which includes at least 1% nickel and at least 80% copper, end means for joining together in axial alignment the entry ends of the first and second pipes whereby the subsequent separation of the particles from the liquid in the liquid-bases mixture or emulsion is enhanced.
Claim 2
Dependent Claim
171 words
Apparatus for pre-treating a liquid-based mixture or emulsion containing immiscible particles to enhance the subsequent separation of the particles from the liquid comprising a first elongated metal pipe having an entry end and an exit end and a plurality of identical spaced apart holes in wall of the pipe, a cap enclosing the exit end of the pipe, a second elongated metal pipe having an entry end and an exit end whose inner diameter is greater than the outer diameter of the first pipe and is in axial alignment with and surrounds the first pipe, the first and second pipes being made of metal, the inner surface of the outer cylinder and the outer surface of the inner cylinder consisting of an exclusively copper-nickel alloy which includes at least 1% nickel and at least 80% copper, end means for joining together in axial alignment the entry ends of the first and second pipes whereby the subsequent separation of the particles from the liquid in the liquid-bases mixture or emulsion is enhanced.
Claim 3
Dependent Claim
26 words
Apparatus as set forth in claim 1 which includes a copper wire wound around the outside of the first pipe in the form of a helix.
Claim 4
Dependent Claim
27 words
Apparatus as set forth in claim 1 in which both the first and second pipes are made of a copper-nickel alloy containing 10% nickel and 90% copper.
Claim 5
Dependent Claim
26 words
Apparatus as set forth in claim 1 in which the distance between the inner pipe and the outer pipe is approximately one and one half inches.
Claim 6
Dependent Claim
44 words
Apparatus as set forth in claim 1 in which the cap has a hole lying along the axis of the first metal pipe and the hole has a diameter slightly larger than the diameter of the holes in the wall of the first pipe.
Claim 7
Dependent Claim
31 words
Apparatus as set forth in claim 1 in which the second pipe is made of black iron and its inner surface is flame coated with an alloy of copper and nickel.
Claim 8
Dependent Claim
174 words
Apparatus for pre-treating a water-based mixture or emulsion containing particles of oil to enhance the subsequent separation of the oil from the water by decanting comprising a first elongated pipe having an entry end and an exit end and a plurality of spaced apart holes in the wall of the pipe, a cap enclosing the exit end of the pipe, a second elongated pipe having an entry end and an exit end whose inner diameter is greater than and spaced from the outer wall of the first pipe and is in axial alignment with and surrounds the first pipe, the inner surface of the outer pipe and the outer surface of the inner pipe being flame coated with en alloy made exclusively of copper and nickel which consists of at least 1% nickel and at least 80% copper, and means for joining together in axial alignment the entry ends of the first and second pipes whereby the subsequent separation of the oil particles from the water in the water-based mixture or emulsion is enhanced.
Claim 9
Dependent Claim
174 words
Apparatus for pre-treating a water-based mixture or emulsion containing particles of oil to enhance the subsequent separation of the oil from the water by decanting comprising a first elongated pipe having an entry end and an exit end and a plurality of spaced apart holes in the wall of the pipe, a cap enclosing the exit end of the pipe, a second elongated pipe having an entry end and an exit end whose inner diameter is greater than and spaced from the outer wall of the first pipe and is in axial alignment with and surrounds the first pipe, the inner surface of the outer pipe and the outer surface of the inner pipe being flame coated with en alloy made exclusively of copper and nickel which consists of at least 1% nickel and at least 80% copper, and means for joining together in axial alignment the entry ends of the first and second pipes whereby the subsequent separation of the oil particles from the water in the water-based mixture or emulsion is enhanced.
Claim 10
Dependent Claim
18 words
Apparatus as set forth in claim 7 in which the first and second pipes are made of iron.
Claim 11
Dependent Claim
24 words
Apparatus as set forth in claim 7 in which the distance between the first and second pipes is about one and one half inches.
References Cited (Backward Citations)
US3610421A
Cited
US3980565A
Cited
US3928241A
Cited
US3992295A
Cited
US4268399A
Cited
US4292181A
Cited
US4395464A
Cited
US5198118A
Cited
US4606828A
Cited
US4717480A
Cited
US4741386A
Cited
US4671351A
Cited
US4758346A
Cited
US4713159A
Cited
US4904390A
Cited
US4832837A
Cited
US5017294A
Cited
US5048499A
Cited
US5197446A
Cited
US5225073A
Cited
US5209838A
Cited
US5344606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-08 | 1999-07-10 | 2000-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-08 | 2003-07-10 | 2004-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-08 | 2007-07-10 | 2008-01-09 | $7700.00 | Window Closed / Lapsed |