US3070936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning filter
Assignee: Rockwell-Standard Corp
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Filing: 1959-03-30
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Granted: 1963-01-01
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 George M Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A SELF-CLEANING FILTER COMPRISING A FILTERING MEDIUM HAVING AN INLET FACE FOR RECEIVING A GASEOUS STREAM TO BE FILTERED, A LIQUID BATH RESERVOIR DISPOSED UPSTREAM FROM SAID INLET FACE, MEANS ENCASING AND SPACED FROM SAID INLET FACE AND HAVING A STREAM INLET PORTION THEREOF POSITIONED TO PROJECT INTO LIQUID IN SAID LIQUID BATH RESERVOIR IN SUCH MANNER AS TO NORMALLY COMPEL SUBSTANTIALLY ALL OF THE STREAM FLOW TO PASS THROUGH SAID LIQUID BEFORE IMPINGING UPON SAID INLET FACE, SAID MEANS HAVING BAFFLE MEANS UPSTREAM FROM SAID INLET FACE AND NORMALLY FORMING A PARTITION BETWEEN THE EXTERNAL ATMOSPHERE AND THE ATMOSPHERE ADJACENT THE INLET FACE OF SAID FILTERING MEDIUM, SAID BAFFLE MEANS HAVING A PORTION THEREOF MOVABLY MOUNTED WITH RESPECT TO THE REMAINDER OF SAID ENCASING MEANS TO PROVIDE A BY-PASS STREAM INLET OPENING WHICH BY-PASSES SAID LIQUID BATH RESERVOIR PERMITTING STREAM FLOW DIRECTLY TO SAID INLET FACE, SAID BAFFLE MEANS PORTION SUBSTANTIALLY CLOSING SAID BY-PASS STREAM INLET OPENING AT NO FLOW AND BEING MOVABLY RESPONSIVE TO A PREDETERMINED INCREASE IN STREAM FLOW VELOCITY IN SUCH MANNER AS TO ALLOW A SUBSTANTIAL PORTION OF THE STREAM FLOW TO BY-PASS SAID RESERVOIR AND TO FLOW DIRECTLY TO SAID INLET FACE OF SAID MEDIUM.
Claim 2
Dependent Claim
201 words
A SELF-CLEANING FILTER COMPRISING A FILTERING MEDIUM HAVING AN INLET FACE FOR RECEIVING A GASEOUS STREAM TO BE FILTERED, A LIQUID BATH RESERVOIR DISPOSED UPSTREAM FROM SAID INLET FACE, MEANS ENCASING AND SPACED FROM SAID INLET FACE AND HAVING A STREAM INLET PORTION THEREOF POSITIONED TO PROJECT INTO LIQUID IN SAID LIQUID BATH RESERVOIR IN SUCH MANNER AS TO NORMALLY COMPEL SUBSTANTIALLY ALL OF THE STREAM FLOW TO PASS THROUGH SAID LIQUID BEFORE IMPINGING UPON SAID INLET FACE, SAID MEANS HAVING BAFFLE MEANS UPSTREAM FROM SAID INLET FACE AND NORMALLY FORMING A PARTITION BETWEEN THE EXTERNAL ATMOSPHERE AND THE ATMOSPHERE ADJACENT THE INLET FACE OF SAID FILTERING MEDIUM, SAID BAFFLE MEANS HAVING A PORTION THEREOF MOVABLY MOUNTED WITH RESPECT TO THE REMAINDER OF SAID ENCASING MEANS TO PROVIDE A BY-PASS STREAM INLET OPENING WHICH BY-PASSES SAID LIQUID BATH RESERVOIR PERMITTING STREAM FLOW DIRECTLY TO SAID INLET FACE, SAID BAFFLE MEANS PORTION SUBSTANTIALLY CLOSING SAID BY-PASS STREAM INLET OPENING AT NO FLOW AND BEING MOVABLY RESPONSIVE TO A PREDETERMINED INCREASE IN STREAM FLOW VELOCITY IN SUCH MANNER AS TO ALLOW A SUBSTANTIAL PORTION OF THE STREAM FLOW TO BY-PASS SAID RESERVOIR AND TO FLOW DIRECTLY TO SAID INLET FACE OF SAID MEDIUM.
References Cited (Backward Citations)
US1960260A
Cited
US2684232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |