US3899427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for separating particles from a fluid stream
Assignee: LOCKER AIR-MAZE Ltd A CORP OF GREAT BRITAIN
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Filing: 1973-06-07
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Granted: 1975-08-12
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Expires: 1993-06-07
Abstract
Abstract A device for separating particles from a fluid stream comprises at least one separating unit incorporating a plurality of spaced parallel plates formed with troughs and crests. Projecting vanes are attached to the plates in the troughs. The vanes are on the downstream sides of the troughs and lean towards the upstream sides of the respective troughs.
Inventors
- 👤 Thomas Macfarlane Connelly
- 👤 Ian George Rowe
- 👤 Douglas Stewart Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:29
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0039; B01D21/0069; B01D21/0075; B01D21/0045; B01D45/00; B01D45/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
145 words
IN A DEVICE FOR SEPARATING PARTICLES FROM A FLUID STREAM, COMPRISING CASING MEANS DEFINING A FLUID STREAM PATH BETWEEN AN INLET AND AN OUTLET, A PLURALITY OF PLATES LOCATED IN SAID CASING MEANS IN THE PATH OF THE FLUID STREAM, SAID PLATES BEING FORMED WITH TROUGHS AND CRESTS AND ARRANGED IN AT LEAST ONE GROUP CONSTITUTING A SEPARATING UNIT AND ORIENTED SUCH THAT LINES JOINING THE CRESTS AND LINES JOINING THE TROUGHS OF EACH PLATE EXTEND IN A DIRECTION GENERALLY PARALLEL TO THE FLUID STREAM PATH DEFINED BY THE CASING AND SUCH THAT THE CRESTS OF EACH PLATE FACE THE TROUGHS OF EACH ADJACENT PLATE, THE AXES OF THE TROUGHS EXTENDING TRANSVERSLEY OF SAID FLUID STREAM PATH, SAID PLATES DEFINING A PLURALITY OF PASSAGE BETWEEN PAIRS OF ADJACENT PLATES, SAID PASSAGES BEING OF ZIG-ZAG CONFIGURATION WITH ALTERNATE CRESTS AND TROUGHS DEFINED BY THE CRESTS AN
Claim 2
Dependent Claim
145 words
IN A DEVICE FOR SEPARATING PARTICLES FROM A FLUID STREAM, COMPRISING CASING MEANS DEFINING A FLUID STREAM PATH BETWEEN AN INLET AND AN OUTLET, A PLURALITY OF PLATES LOCATED IN SAID CASING MEANS IN THE PATH OF THE FLUID STREAM, SAID PLATES BEING FORMED WITH TROUGHS AND CRESTS AND ARRANGED IN AT LEAST ONE GROUP CONSTITUTING A SEPARATING UNIT AND ORIENTED SUCH THAT LINES JOINING THE CRESTS AND LINES JOINING THE TROUGHS OF EACH PLATE EXTEND IN A DIRECTION GENERALLY PARALLEL TO THE FLUID STREAM PATH DEFINED BY THE CASING AND SUCH THAT THE CRESTS OF EACH PLATE FACE THE TROUGHS OF EACH ADJACENT PLATE, THE AXES OF THE TROUGHS EXTENDING TRANSVERSLEY OF SAID FLUID STREAM PATH, SAID PLATES DEFINING A PLURALITY OF PASSAGE BETWEEN PAIRS OF ADJACENT PLATES, SAID PASSAGES BEING OF ZIG-ZAG CONFIGURATION WITH ALTERNATE CRESTS AND TROUGHS DEFINED BY THE CRESTS AN
Claim 3
Dependent Claim
73 words
A device as claimed in claim 1 including at least two groups of plates arranged in a series offset from one another so that each plate of one group is opposite the space between two adjacent plates of the other group and spaced in a transverse direction from each of the said two plates of the other group by a distance which is half the distance between the median planes of adjacent plates.
Claim 4
Dependent Claim
51 words
A device as claimed in claim 2 including more than two groups of plates in the series in which each succeeding group of plates of the series is offset from the immediately preceding group to the same side as the second group is offset from the first group of the series.
Claim 5
Dependent Claim
68 words
A device as claimed in claim 1 including at least two units arranged in series with the plates and the vanes of the several units orientated in substantially the same direction and a particle-coalescing device disposed between each preceding unit and the succeeding unit of the series, each said particle-coalescing device comprising means for bringing together groups of small particles and forming a smaller number of larger particles.
Claim 6
Dependent Claim
16 words
A device as claimed in claim 4 in which the particle-coalescing device includes a foraminous diaphragm.
Claim 7
Dependent Claim
23 words
A device as claimed in claim 4 in which the particle-coalescing device includes several perforated plates parallel with and spaced from one another.
Claim 8
Dependent Claim
29 words
A device as claimed in claim 1 in which each vane is located in a region of the trough nearer the bottom of the trough than the following crest.
Claim 9
Dependent Claim
49 words
A device as claimed in claim 1 including a particle-coalescing device disposed in the fluid stream path on the upstream side of said unit, said particle-coalescing device comprising means for bringing together groups of small particles and forming a smaller number of larger particles which are more readily trapped.
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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) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |