US3310280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm valve
Assignee: Grinnell Corp
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Filing: 1965-11-16
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Granted: 1967-03-21
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Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 Henry W Boteler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:02
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
346 words
A DIAPHRAGM VALVE HAVING: (I) AN ELONGATED HOLLOW BODY HAVING: (A) WALLS WHICH: (1) DEFINE VALVE BODY SIDES, (2) TERMINATE IN OPPOSITE VALVE BODY ENDS, (3) HAVE INTERIOR SURFACES DEFINING A FLOW PASSAGE, (B) A LONG DIMENSION MEASURED BETWEEN SAID ENDS, (C) A DIAPHRAGM OPENING WHICH: (1) IS LOCATED IN ONE OF SAID VALVE BODY SIDES, (2) EXTENDS THROUGH SAID WALLS, (3) HAS A RIM WHICH: (A) EXTENDS AROUND SAID DIAPHRAGM OPENING, (B) HAS OPPOSITE PORTIONS LYING IN A FIRST PLANE WHICH: (I) IS PARALLEL TO SAID LONG DIMENSION, (II) INTERSECTS A SUBSTANTIAL PART OF SAID FLOW PASSAGE, (4) HAS A WIDTH DIMENSION MEASURED: (A) ACROSS SAID OPENING, (B) BETWEEN SAID RIM PORTIONS, (C) AT RIGHT ANGLES TO SAID LONG DIMENSION, (D) A DIAPHRAGM SEAT WHICH: (1) IS LOCATED: (A) ON SAID INTERIOR WALL SURFACES, (B) BETWEEN SAID VALVE BODY ENDS, (C) OPPOSITE SAID DIAPHRAGM OPENING, (2) HAS TWO SEPARATE PORTIONS WHICH: (A) ARE SLOPED STEEPLY WITH RESPECT TO SAID FIRST PLANE, (B) HAVE THEIR OUTER ENDS MERGING INTO SAID DIAPHRAGM OPENING RIM PORTIONS, (3) HAS A CENTER PORTION CONNECTING SAID SEPARATE PORTIONS, (E) AN END OPENING WHICH: (1) IS LOCATED AT ONE OF SAID BODY ENDS, (2) LIES IN A SECOND PLANE AT SUBSTANTIALLY RIGHT ANGLES TO SAID LONG DIMENSION, (3) HAS AN AREA WHICH IS AT LEAST AS GREAT AS THE AREA OF AN IMAGINARY CIRCLE HAVING A DIAMETER EQUAL TO SAID DIAPHRAGM OPENING WIDTH DIMENSION, (II) A FLEXIBLE DIAPHRAGM WHICH: (A) HAS AN OUTER PORTION IN CONTACT WITH SAID BODY RIM, (B) HAS A CENTER PORTION WHICH COVERS SAID BODY DIAPHRAGM OPENING, (III) MEANS FOR PERMANENTLY CLAMPING THE DIAPHRAGM OUTER PORTION AGAINST SAID BODY OPENING RIM UP TO SAID DIAPHRAGM OPENING, (IV) MEANS FOR MOVING SAID DIAPHRAGM CENTER PORTION WITH RESPECT TO SAID DIAPHRAGM SEAT PORTIONS TO DIFFERENT POSITIONS FROM FULLY CLOSED TO FULLY OPEN, SAID DIAPHRAGM CENTER PORTION, (A) WHEN IN FULLY OPEN POSITION FORMING WITH SAID SEAT PORTIONS A FLOW OPENING, MEASURED IN A PLANE PARALLEL TO SAID SECOND PLANE, WHICH IS CONSIDERABLY LESS IN AREA THAN SAID END OPENING AREA.
Claim 2
Dependent Claim
346 words
A DIAPHRAGM VALVE HAVING: (I) AN ELONGATED HOLLOW BODY HAVING: (A) WALLS WHICH: (1) DEFINE VALVE BODY SIDES, (2) TERMINATE IN OPPOSITE VALVE BODY ENDS, (3) HAVE INTERIOR SURFACES DEFINING A FLOW PASSAGE, (B) A LONG DIMENSION MEASURED BETWEEN SAID ENDS, (C) A DIAPHRAGM OPENING WHICH: (1) IS LOCATED IN ONE OF SAID VALVE BODY SIDES, (2) EXTENDS THROUGH SAID WALLS, (3) HAS A RIM WHICH: (A) EXTENDS AROUND SAID DIAPHRAGM OPENING, (B) HAS OPPOSITE PORTIONS LYING IN A FIRST PLANE WHICH: (I) IS PARALLEL TO SAID LONG DIMENSION, (II) INTERSECTS A SUBSTANTIAL PART OF SAID FLOW PASSAGE, (4) HAS A WIDTH DIMENSION MEASURED: (A) ACROSS SAID OPENING, (B) BETWEEN SAID RIM PORTIONS, (C) AT RIGHT ANGLES TO SAID LONG DIMENSION, (D) A DIAPHRAGM SEAT WHICH: (1) IS LOCATED: (A) ON SAID INTERIOR WALL SURFACES, (B) BETWEEN SAID VALVE BODY ENDS, (C) OPPOSITE SAID DIAPHRAGM OPENING, (2) HAS TWO SEPARATE PORTIONS WHICH: (A) ARE SLOPED STEEPLY WITH RESPECT TO SAID FIRST PLANE, (B) HAVE THEIR OUTER ENDS MERGING INTO SAID DIAPHRAGM OPENING RIM PORTIONS, (3) HAS A CENTER PORTION CONNECTING SAID SEPARATE PORTIONS, (E) AN END OPENING WHICH: (1) IS LOCATED AT ONE OF SAID BODY ENDS, (2) LIES IN A SECOND PLANE AT SUBSTANTIALLY RIGHT ANGLES TO SAID LONG DIMENSION, (3) HAS AN AREA WHICH IS AT LEAST AS GREAT AS THE AREA OF AN IMAGINARY CIRCLE HAVING A DIAMETER EQUAL TO SAID DIAPHRAGM OPENING WIDTH DIMENSION, (II) A FLEXIBLE DIAPHRAGM WHICH: (A) HAS AN OUTER PORTION IN CONTACT WITH SAID BODY RIM, (B) HAS A CENTER PORTION WHICH COVERS SAID BODY DIAPHRAGM OPENING, (III) MEANS FOR PERMANENTLY CLAMPING THE DIAPHRAGM OUTER PORTION AGAINST SAID BODY OPENING RIM UP TO SAID DIAPHRAGM OPENING, (IV) MEANS FOR MOVING SAID DIAPHRAGM CENTER PORTION WITH RESPECT TO SAID DIAPHRAGM SEAT PORTIONS TO DIFFERENT POSITIONS FROM FULLY CLOSED TO FULLY OPEN, SAID DIAPHRAGM CENTER PORTION, (A) WHEN IN FULLY OPEN POSITION FORMING WITH SAID SEAT PORTIONS A FLOW OPENING, MEASURED IN A PLANE PARALLEL TO SAID SECOND PLANE, WHICH IS CONSIDERABLY LESS IN AREA THAN SAID END OPENING AREA.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |