US4426283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mono hydrocyclone separator
Assignee: Alfa Laval AB
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Filing: 1982-01-11
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Granted: 1984-01-17
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Expires: 2002-01-11
Abstract
Abstract A multiple hydrocyclone separator comprises a pair of spaced concentric standpipes mounting a series of mono hydrocyclones each having a body containing a separating chamber and provided with first and second cylindrical external parts on opposite ends of the body. The body has a tangential inlet to the chamber and a first axial outlet formed by a third part screwed into the larger end of the body, the body forming a second axial outlet at its smaller end. Sealing rings are located in grooves in the respective cylindrical parts and seal against the walls defining openings in the respective standpipes. To secure the body, a nut on its smaller end clamps the adjacent standpipe against a collar of the body. Thus, the cylindrical part at the larger end of the body can slide with its sealing ring in the hole of the corresponding standpipe, thereby accommodating thermal expansion and contraction of the body while maintaining the sealing action of the sealing rings. Also, any of the mono cyclones can be readily replaced with one of different capacity to provide the multiple cyclone separator with a wide range of capacities.
Inventors
- 👤 Aurel J. Fecske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:57
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
239 words
A mono hydrocyclone for separating a mixture and comprising a body containing a separation chamber, said body having first and second ends provided with first and second cylindrical external parts, respectively, said body also having a tangential inlet to said chamber, a third part screwed into said first end and forming an axial outlet from the chamber for discharging a light separated component of said mixture, said second end forming a second axial outlet from the chamber, each of said cylindrical external parts having a ring groove extending around the part, a sealing ring in each of said grooves, said body having a collar adjacent the side of said second cylindrical part which is nearer the first cylindrical part, the diameter of said collar increasing toward said first cylindrical part, said second end of the body having an external thread adjacent the side of said second cylindrical part which is remote from the first cylindrical part, and a nut screwed onto said thread, a pair of concentric standpipes spaced from each other and having respective holes which are aligned with each other to receive said body, said first cylindrical part being located in one of said holes which is of substantially larger diameter than the other hole, said second cylindrical part being located in said other hole with the corresponding standpipe clamped between said collar and nut, said holes being defined by annular walls engaging said sealing rings, respectively.
Claim 2
Dependent Claim
239 words
A mono hydrocyclone for separating a mixture and comprising a body containing a separation chamber, said body having first and second ends provided with first and second cylindrical external parts, respectively, said body also having a tangential inlet to said chamber, a third part screwed into said first end and forming an axial outlet from the chamber for discharging a light separated component of said mixture, said second end forming a second axial outlet from the chamber, each of said cylindrical external parts having a ring groove extending around the part, a sealing ring in each of said grooves, said body having a collar adjacent the side of said second cylindrical part which is nearer the first cylindrical part, the diameter of said collar increasing toward said first cylindrical part, said second end of the body having an external thread adjacent the side of said second cylindrical part which is remote from the first cylindrical part, and a nut screwed onto said thread, a pair of concentric standpipes spaced from each other and having respective holes which are aligned with each other to receive said body, said first cylindrical part being located in one of said holes which is of substantially larger diameter than the other hole, said second cylindrical part being located in said other hole with the corresponding standpipe clamped between said collar and nut, said holes being defined by annular walls engaging said sealing rings, respectively.
Claim 3
Dependent Claim
22 words
The mono hydrocyclone of claim 1, in which said first cylindrical part is of substantially greater diameter than said second cylindrical part.
Claim 4
Dependent Claim
28 words
The mono hydrocyclone of claim 1, in which the maximum diameter of said collar exceeds the diameter of said second cylindrical part and the diameter of said thread.
Claim 5
Dependent Claim
22 words
The mono hydrocyclone of claim 3, in which said first cylindrical part is of substantially greater diameter than said second cylindrical part.
Claim 6
Dependent Claim
45 words
The combination of claim 1, comprising also a second mono hydrocyclone mounted in a second pair of aligned holes in the standpipes and being identical to the mono hydrocyclone of claim 1 except for the dimensions of said separation chamber and said inlet and outlets.
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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) | 1987-01-16 | 1987-07-18 | 1988-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-16 | 1991-07-18 | 1992-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-16 | 1995-07-18 | 1996-01-17 | $7700.00 | Window Closed / Lapsed |