US3608567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter cleaning process and apparatuses
Assignee: Individual
•
Filing: 1970-06-26
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Granted: 1971-09-28
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Expires: 1990-06-26
Abstract
Abstract A process organized to successively apply a jet of cleansing liquid to the exterior surface of each successive portion of a complex-shaped thin-walled dirty-air-permeable air filter while the interior surface of that thin-walled portion is concurrently supported from collapse by the mechanical action of said jet.
Inventors
- 👤 Scott E Neill Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:45
CPC Classifications
F; F02; F02M; F02M35/00; B; B01; B01D; B01D41/00; B01D41/04; B01D46/00; B01D46/24; B01D46/2403; B01D46/2411; B01D46/52; B01D46/521; B01D46/66; B01D46/68; B01D46/682; B01D46/70; B01D46/72; B01D46/79; B01D2275/00; B01D2275/10; B01D2279/00; B01D2279/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
366 words
Apparatus for cleansing filters comprising, in operative combination, a housing and frame assembly, a mechanism assembly and a power source, a. the housing and frame assembly comprising an enclosure with a roof thereon, and a liquid reservoir means located wiThin said enclosure, the housing and frame assembly enclosing the mechanism assembly therein, b. said mechanism assembly comprising a wash assembly, a liquid clarification assembly and a control assembly, said wash assembly comprising a rotatable filter support and wash chamber, said rotatable filter support comprising a rotatable filter support plate within said wash chamber and rotatable about an axis of rotation thereof, a plate jet liquid inlet means extending through said filter support plate, a liquid pump means with a discharge outlet thereof connected to said plate jet liquid inlet means, a pump liquid inlet means to said pump means, said pump liquid inlet means connected to said liquid reservoir means, a motor operatively connected to said pump means, a first nozzle located in said enclosure peripherally to and above said filter support plate, the outlet of said nozzle directed toward the axis of rotation of said rotatable filter support plate, the outlet of said pump being connected to the inlet of said nozzle, a second nozzle located above said filter support plate, said second nozzle directed away from the axis of rotation of said rotatable filter support plate, the outlet of a pump being connected to the inlet of said second nozzle, a clarification assembly comprising a baffled liquid clarification chamber located below said nozzles and above said liquid reservoir means, power control means supported on said housing and frame assembly and operatively connected to said motor connected to said pump means, said wash assembly comprising, in said wash chamber, said rotatable filter support plate and projecting vane means projecting radially from said rotatable filter support plate, and plate drive nozzles supported on said housing and frame assembly, said plate drive nozzles located peripherally of said filter support plate within said wash chamber, the outlet of each of said plate drive nozzles being directed toward said vane means and the inlet of each of said plate drive nozzles being connected to the outlet of said pump.
Claim 2
Dependent Claim
366 words
Apparatus for cleansing filters comprising, in operative combination, a housing and frame assembly, a mechanism assembly and a power source, a. the housing and frame assembly comprising an enclosure with a roof thereon, and a liquid reservoir means located wiThin said enclosure, the housing and frame assembly enclosing the mechanism assembly therein, b. said mechanism assembly comprising a wash assembly, a liquid clarification assembly and a control assembly, said wash assembly comprising a rotatable filter support and wash chamber, said rotatable filter support comprising a rotatable filter support plate within said wash chamber and rotatable about an axis of rotation thereof, a plate jet liquid inlet means extending through said filter support plate, a liquid pump means with a discharge outlet thereof connected to said plate jet liquid inlet means, a pump liquid inlet means to said pump means, said pump liquid inlet means connected to said liquid reservoir means, a motor operatively connected to said pump means, a first nozzle located in said enclosure peripherally to and above said filter support plate, the outlet of said nozzle directed toward the axis of rotation of said rotatable filter support plate, the outlet of said pump being connected to the inlet of said nozzle, a second nozzle located above said filter support plate, said second nozzle directed away from the axis of rotation of said rotatable filter support plate, the outlet of a pump being connected to the inlet of said second nozzle, a clarification assembly comprising a baffled liquid clarification chamber located below said nozzles and above said liquid reservoir means, power control means supported on said housing and frame assembly and operatively connected to said motor connected to said pump means, said wash assembly comprising, in said wash chamber, said rotatable filter support plate and projecting vane means projecting radially from said rotatable filter support plate, and plate drive nozzles supported on said housing and frame assembly, said plate drive nozzles located peripherally of said filter support plate within said wash chamber, the outlet of each of said plate drive nozzles being directed toward said vane means and the inlet of each of said plate drive nozzles being connected to the outlet of said pump.
Claim 3
Dependent Claim
41 words
Apparatus as in claim 1 wherein each of said first and second nozzles are one of a plurality of such nozzles and said nozzles are radially equispaced about the axis of said filter support plate and connected to the same pump.
Claim 4
Dependent Claim
55 words
Apparatus as in claim 2 wherein said power control means on said housing and frame assembly comprises, in operative connection, a coin collector assembly and a timer and a switch assembly, said coin collector assembly controlling said timer and switch assembly, said switch assembly controlling said motor for said pump and controlled by said timer.
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |