US3929643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid diverter device with pressure relief valve
Assignee: LONG MANUFACTURING Ltd A CORP OF CANADA
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Filing: 1974-05-28
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Granted: 1975-12-30
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Expires: 1994-05-28
Abstract
Abstract A fluid diverter device positioned in the fluid path flowing between a fluid source and a fluid treating unit and designed to divert the fluid stream to a fluid processing apparatus and return the processed fluid back to the original fluid path. The diverter device includes a conduit structure having an inlet and an outlet extending between the device and the fluid processing apparatus and a pressure relief valve adapted to open under a predetermined pressure to by-pass the fluid around the fluid processing apparatus and direct the fluid through the diverter to the fluid treating unit until such pressure is reduced to an acceptable level.
Inventors
- 👤 Desmond M Donaldson
- 👤 Gregory S T Millard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/147; B01D35/30; B01D35/306; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
200 words
A FLUID DIVERTER DEVICE ADAPTED TO BE DISPOSED IN A FLUID FLOW PATH TO DEIVERT FLUID TO A FLUID TREATING APPARATUS AND RETURN THE FLUID TO ITS ORIGINAL PATH, COMPRISING FIRST AND SECOND DISHED PLATES DEFINING A HOLLOW CASING, SAID FIRST PLATE HAVING INLET MEANS FOR FLOW OF FLUID INTO SAID CASING AND SAID SECOND PLATE HAVING OUTLET MEANS FOR FLOW OF FLUID FROM SAID CASING, A BAFFLE PLATE DISPOSED BETWEEN AND ENGAGING SAID CASING PLATES AND DIVIDING SAID CASING TO PROVIDE SPACED INDEPENDENT FIRST AND SECOND FLUID CHAMBERS RESPECTIVELY COMMUNICATING WITH SAID INLET AND OUTLET MEANS, SAID PLATES HAVING COEXTENSIVE ENGAGED TAB PORTIONS, THE TAB PORTIONS OF SAID FIRST AND SECOND PLATES EXTENDING FROM SAID FLUID CHAMBERS AND OVERLYING AND BEING IN SPACED RELATION TO THE TAP PORTION OF SAID BAFFLE PLATE TO PROVIDE SPACED FLUID PASSAGES THEREIN, SPACED CONDUIT MEANS RESPECTIVELY CONNECTED TO SAID SPACED FLUID PASSAGES DEFINED BY SAID TAP PORTIONS FOR FLOW OF FLUID FROM SAID FIRST CHAMBER TO SAID FLUID TREATING APPARATUS AND FOR FLOW OF FLUID FROM SAID APPARATUS TO SAID SECOND CHAMBER, AND MEANS TO BY-PASS THE FLUID TREATING APPARATUS AND CAUSING LIQUID FLOW DIRECTLY FROM SAID FIRST CHAMBER TO SAID SECOND CHAMBER.
Claim 2
Dependent Claim
200 words
A FLUID DIVERTER DEVICE ADAPTED TO BE DISPOSED IN A FLUID FLOW PATH TO DEIVERT FLUID TO A FLUID TREATING APPARATUS AND RETURN THE FLUID TO ITS ORIGINAL PATH, COMPRISING FIRST AND SECOND DISHED PLATES DEFINING A HOLLOW CASING, SAID FIRST PLATE HAVING INLET MEANS FOR FLOW OF FLUID INTO SAID CASING AND SAID SECOND PLATE HAVING OUTLET MEANS FOR FLOW OF FLUID FROM SAID CASING, A BAFFLE PLATE DISPOSED BETWEEN AND ENGAGING SAID CASING PLATES AND DIVIDING SAID CASING TO PROVIDE SPACED INDEPENDENT FIRST AND SECOND FLUID CHAMBERS RESPECTIVELY COMMUNICATING WITH SAID INLET AND OUTLET MEANS, SAID PLATES HAVING COEXTENSIVE ENGAGED TAB PORTIONS, THE TAB PORTIONS OF SAID FIRST AND SECOND PLATES EXTENDING FROM SAID FLUID CHAMBERS AND OVERLYING AND BEING IN SPACED RELATION TO THE TAP PORTION OF SAID BAFFLE PLATE TO PROVIDE SPACED FLUID PASSAGES THEREIN, SPACED CONDUIT MEANS RESPECTIVELY CONNECTED TO SAID SPACED FLUID PASSAGES DEFINED BY SAID TAP PORTIONS FOR FLOW OF FLUID FROM SAID FIRST CHAMBER TO SAID FLUID TREATING APPARATUS AND FOR FLOW OF FLUID FROM SAID APPARATUS TO SAID SECOND CHAMBER, AND MEANS TO BY-PASS THE FLUID TREATING APPARATUS AND CAUSING LIQUID FLOW DIRECTLY FROM SAID FIRST CHAMBER TO SAID SECOND CHAMBER.
Claim 3
Dependent Claim
50 words
A fluid diverter device as set forth in claim 1, in which said spaced conduit means are located in a unitary conduit member having parallel spaced supply and return passages extending therethrough, said tab portion of said second plate having spaced openings aligned and communicating with said last mentioned passages.
Claim 4
Dependent Claim
70 words
A fluid diverter device as set forth in claim 2, in which said by-pass means includes an intermediate passage formed in said conduit member between and extending parallel to said spaced supply and return passages, said lower tab portion having a relief port positioned between said spaced openings and in fluid communication with said intermediate passage, said conduit member being secured in fluid sealing engagement with said lower tab portion.
Claim 5
Dependent Claim
60 words
A fluid diverter device as set forth in claim 3, including a pressure relief valve located in said intermediate passage and normally closing said relief port in said lower tab portion, and said conduit member having a cross-over port extending between said intermediate passage and said return passage adjacent said lower tab portion and controlled by the pressure relief valve.
Claim 6
Dependent Claim
46 words
A fluid diverter as set forth in claim 4, in which said pressure relief valve includes a ball valve yieldably biased against said relief port, and a retainer positioned in the opposite end of said conduit member to close the opposite end of said intermediate passage.
Claim 7
Dependent Claim
59 words
A fluid diverter device as set forth in claim 3, in which said tab portion of said baffle plate includes a downwardly embossed portion and an upwardly embossed portion, said downwardly embossed portion having a pair of openings aligned with and communicating with said relief port and the spaced opening leading to said supply passage in said conduit member.
Claim 8
Dependent Claim
58 words
A fluid diverter device as set forth in claim 6, in which said downwardly extending embossed portion sealingly engages said lower tab portion adjacent to said relief port and spaced opening so as to seal said relief ports and spaced openings in said tab portion of said baffle plate and said tab portion of said second plate together.
Claim 9
Dependent Claim
34 words
A fluid diverter device as set forth in claim 6, in which said upwardly extending embossment communicates with said other spaced opening to direct fluid from said return passage into said second annular chamber.
Claim 10
Dependent Claim
33 words
A fluid diverter device as set forth in claim 7, in which said downwardly extending embossment directs fluid from said first annular chamber to said first mentioned spaced opening and said relief port.
Claim 11
Dependent Claim
55 words
A fluid diverter device as set forth in claim 6, wherein said pressure relief valve allows flow of fluid through said relief port and said cross-over port to said return passage and said other spaced opening whenever the pressure in said fluid treating means communicating with said supply and return passages exceeds a predetermined value.
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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) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |