US4346005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube settler module
Assignee: Crane Co
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Filing: 1981-08-03
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Granted: 1982-08-24
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Expires: 2001-08-03
Abstract
Abstract This invention discloses a tube settler module for use in clarifiers. The module consists of a plurality of settling media, and has a hangar and a float means both of which enable the module to be readily installed in existing clarifiers, sedimentation tanks or the like without utilizing permanent structural members of said clarifiers or sedimentation tanks.
Inventors
- 👤 Donald R. Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:10
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0039; B01D21/0045; B01D21/0057; B01D21/02; B01D21/04; B01D21/06; B01D21/08; B01D21/24; B01D21/2405; B01D21/2427; B01D21/245; B01D21/0003
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
A settler system for use in a circular clarifier having a fluid therein with a center feed inlet and a peripheral launder with an outlet, said system comprising: (a) a plurality of pie-shaped modules each having a plurality of settler media with passage therethrough for effecting separation of particles from influent feedwater; (b) float means attached to the top portion of one end of each module adapted to suspend the module in a fluid, said float means forming a barrier around the center feed inlet to prevent fluid from passing from the inlet to the outlet unless it passes through the settler media; and, (c) hangar means attached to the other end of each module adapted to secure said module to the launder.
Claim 2
Dependent Claim
123 words
A settler system for use in a circular clarifier having a fluid therein with a center feed inlet and a peripheral launder with an outlet, said system comprising: (a) a plurality of pie-shaped modules each having a plurality of settler media with passage therethrough for effecting separation of particles from influent feedwater; (b) float means attached to the top portion of one end of each module adapted to suspend the module in a fluid, said float means forming a barrier around the center feed inlet to prevent fluid from passing from the inlet to the outlet unless it passes through the settler media; and, (c) hangar means attached to the other end of each module adapted to secure said module to the launder.
Claim 3
Dependent Claim
30 words
A settler system as defined in claim 1 wherein said modules are arranged in side by side relationship so as to cover substantially the entire surface of the clarifier fluid.
Claim 4
Dependent Claim
17 words
A settler system as defined in claim 1 wherein said float means are made of buoyant material.
References Cited (Backward Citations)
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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) | 1985-08-23 | 1986-02-22 | 1986-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-23 | 1990-02-22 | 1990-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-23 | 1994-02-22 | 1994-08-24 | $7700.00 | Window Closed / Lapsed |