Patent US3674206A successfully refreshed from Google Patents.
US3674206A
Expired / Lapsed
US
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Centrifugal separator with means controlling flow
Assignee: Individual
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Filing: 1970-11-20
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Granted: 1972-07-04
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Expires: 1990-11-20
Abstract
Abstract A centrifugal separator having a stationary casing and rotating means coaxial with and radially spaced from the casing, the rotating means including an outer shell having an annular inlet passageway, a barrel coaxial with the shell and radially spaced inwardly therefrom to form a primary separation chamber, vanes attaching the barrel to the shell, the barrel having an outwardly flared portion and a cylindrical portion and an end wall closing the large end of the flared portion, a plurality of openings providing communication between the space within the barrel and the space between the barrel and the shell, means within the barrel to enhance the separation of the mixture, first radial outlet means from one end of the barrel and second axial outlet means from the other end of the barrel, and an annular discharge passageway from the primary separation chamber.
Inventors
- 👤 John S Wendt Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:39
CPC Classifications
B; B04; B04B; B04B5/00; B04B1/00; B04B11/00; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
254 words
A centrifugal separator for separating two liquids having different densities from a mixture, said separator including a stationary outer casing and coaxial rotating means within said outer casing, said rotating means including an outer shell having an end wall formed with an annular inlet passageway, a barrel coaxial with and attached to said shell and radially spaced inwardly therefrom to form an annular primary separation chamber, said barrel having an outwardly flared portion with an annular extension at the large end and defining a primary inner bowl and a cylindrical portion defining a secondary inner bowl, an imperforate end wall attached to said barrel at the large end of said flared portion and a drive shaft attached to said end wall, a plurality of openings formed in the wall of the flared portion of said barrel providing communication between said primary separation chamber and said primary inner bowl and means within said barrel providing communication between said primary inner bowl and said secondary inner bowl, means within both of said bowls to assist in separating the mixture, first outlet means from said primary inner bowl to said primary separation chamber and second outlet means from said secondary inner bowl, and an annular discharge passageway formed by said shell and said extension of the flared portion of said barrel, whereby one of said liquids is discharged from the separator through said first outlet means and said annular discharge passageway and the other of said liquids is discharged from the separator through said second outlet means.
Claim 2
Dependent Claim
254 words
A centrifugal separator for separating two liquids having different densities from a mixture, said separator including a stationary outer casing and coaxial rotating means within said outer casing, said rotating means including an outer shell having an end wall formed with an annular inlet passageway, a barrel coaxial with and attached to said shell and radially spaced inwardly therefrom to form an annular primary separation chamber, said barrel having an outwardly flared portion with an annular extension at the large end and defining a primary inner bowl and a cylindrical portion defining a secondary inner bowl, an imperforate end wall attached to said barrel at the large end of said flared portion and a drive shaft attached to said end wall, a plurality of openings formed in the wall of the flared portion of said barrel providing communication between said primary separation chamber and said primary inner bowl and means within said barrel providing communication between said primary inner bowl and said secondary inner bowl, means within both of said bowls to assist in separating the mixture, first outlet means from said primary inner bowl to said primary separation chamber and second outlet means from said secondary inner bowl, and an annular discharge passageway formed by said shell and said extension of the flared portion of said barrel, whereby one of said liquids is discharged from the separator through said first outlet means and said annular discharge passageway and the other of said liquids is discharged from the separator through said second outlet means.
Claim 3
Dependent Claim
54 words
Apparatus as set forth in claim 1 including a plurality of elongated radial vanes between said shell and said barrel, said elongated radial vanes extending throughout the length of said shell and being attached to said shell and said barrel, whereby said vanes form a plurality of gathering troughs in said primary separation chamber.
Claim 4
Dependent Claim
42 words
Apparatus as set forth in claim 1 wherein said openings formed in the wall of the flared portion of said barrel are arranged in rows extending from the smaller end of said flared portion of said barrel toward said imperforate end wall.
Claim 5
Dependent Claim
123 words
Apparatus as set forth in claim 3 including a septum member having a plurality of openings located between said primary inner bowl and said secondary inner bowl, and wherein said means within said primary inner bowl to assist in separating the mixture consists of a plurality of U-shaped channel members extending away from said septum member and positioned between adjacent rows of openings, each channel member being aligned with an opening in said septum member, and an axially opening slot formed in the head of each channel member, whereby said channel members form pump means to pump liquid through the openings in said septum member into said primary inner bowl, the degree of pumping action being determined by the length of said slots.
Claim 6
Dependent Claim
113 words
Apparatus as set forth in claim 1 including a septum member having a plurality of openings located between said primary inner bowl and said secondary inner bowl, and wherein said means in said primary inner bowl to assist in separating the mixture consists of a plurality of channel members extending away from said septum member and aligned with an opening in said septum member, each of said channel members having an axially opening slot formed in its head, whereby said channel members form pump means to pump liquid through the openings in said septum member into said primary inner bowl, the degree of pumping action being determined by the length of said slots.
Claim 7
Dependent Claim
51 words
Apparatus as set forth in claim 1 wherein said means within said barrel providing communication between said primary and secondary inner bowls consists of an orifice member defining an orifice coaxial with said barrel and a septum member supporting said orifice member and having a plurality of spaced openings formed therein.
Claim 8
Dependent Claim
93 words
Apparatus as set forth in claim 1 wherein the means in said secondary inner bowl to assist in separating the mixture consists of a plurality of burble cones coaxial with said barrel, each of said cones having its larger end opening toward said second outlet means and attached to the inner surface of said barrel and a coaxial opening at its smaller end, and a plurality of slots formed in each cone adjacent to said barrel, whereby surfaces and slip planes for separating said mixture are formed by said cones and said slots.
Claim 9
Dependent Claim
97 words
Apparatus as set forth in claim 1 including a pair of outlet conduits, an outlet scroll connected to one of said conduits and having an annular passage formed therein, said second outlet means from said secondary inner bowl being coaxial with said barrel and said annular discharge passageway communicates with said annular passage formed in said outlet scroll, each of said second outlet means and said annular passage in said outlet scroll communicating with one of said outlet conduits, and each of said conduits having a flow control valve therein to control the rate of discharge therethrough.
Claim 10
Dependent Claim
64 words
Apparatus as set forth in claim 1 wherein said first outlet means from said primary inner bowl to said primary separation chamber constitutes a plurality of rings of openings in said flared portion of said barrel adjacent to said imperforate end wall, whereby the number of rings of openings determines the relative pumping capacity from said primary inner bowl to said primary separation chamber.
Claim 11
Dependent Claim
66 words
Apparatus as set forth in claim 9 including a thin walled insert in each opening of said plurality of rings of openings, whereby the length of said inserts determines the relative head between the centrate flow through said plurality of openings formed in the wall of the flared portion of said barrel and the centrifugal flow through the openings of said plurality of rings of openings.
Claim 12
Dependent Claim
88 words
Apparatus as set forth in claim 1 wherein said outer casing is radially spaced from said shell to form an annular pressure chamber around said rotating means, and a plurality of radially inwardly directed annular baffles are attached to the inner surface of said casing to form a plurality of individual pressure chambers around said rotating means extending from adjacent said annular discharge passageway to adjacent said annular inlet passageway, whereby high pressure discharge liquid leakage passes through said individual pressure chambers and into said annular inlet passageway.
Claim 13
Dependent Claim
51 words
Apparatus as set forth in claim 11 wherein an inlet passageway is provided in said casing adjacent to the end of said casing near said annular discharge passageway, whereby high pressure service water may be supplied to said pressure chamber through said inlet opening to pass into said annular inlet passageway.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |