US3096786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cutoff valve
Assignee: Boeing North American Inc
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Filing: 1961-07-31
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Granted: 1963-07-09
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Rost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:47
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/168; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
FOR USE IN VALVING COMPRESSED GASES, A SAFETY CUTOFF VALVE COMPRISING, IN COMBINATION, A VALVE BODY DEFINING A VALVE CHAMBER AND DEFINING INLET AND OUTLET PASSAGES OPENING INTO SAID CHAMBER, A VALVE BALL DISPOSED ROTATABLY WITHIN SAID CHAMBER, MEANS DEFINING TWO ANNULAR RECESSES ENCIRCLING THE INNER ENDS OF SAID RESPECTIVE PASSAGES, AN ANNULAR VALVE SEAT SUPPORTED IN EACH OF SAID RECESSES, EACH VALVE SEAT BEING FORMED OF A FLEXIBLE MATERIAL AND CANTILEVERING RADIALLY INWARD INTO ENGAGEMENT WITH SAID BALL, VALVE STEM DRIVINGLY CONNECTED WITH SAID BALL FOR ROTATING THE LATTER BETWEEN A VALVE OPEN POSITION IN WHICH THE SAID PASSAGES AND A VALVE CLOSED POSITION IN WHICH THE VALVE SEAT ENCIRCLING THE INLET PASSAGE COACTS WITH THE BALL TO CLOSE SAID INLET PASSAGE, A HANDLE MOUNTED ON SAID STEM FOR ROTATING THE LATTER, THE VALVE SEAT ENCIRCLING SAID OUTLET PASSAGE BEING SHAPED TO PROVIDE COMMUNICATION BETWEEN SAID VALVE CHAMBER AND SAID OUTLET PASSAGE WHEN SAID VALVE BALL IS IN THE CLOSED VALVE POSITION THEREOF, A NORMALLY CLOSED BLEED VALVE MOUNTED IN SAID VALVE BODY IN COMMUNICATION WITH SAID VALVE CHAMBER AND HAVING AN OUTLET SIDE OPEN TO EXHAUST, AND CAM MEANS ROTATABLE WITH SAID HANDLE AND COACTING WITH SAID BLEED VALVE TO OPEN THE LATTER AUTOMATICALLY AS AN INCIDENT TO MOVEMENT OF THE
Claim 2
Dependent Claim
213 words
FOR USE IN VALVING COMPRESSED GASES, A SAFETY CUTOFF VALVE COMPRISING, IN COMBINATION, A VALVE BODY DEFINING A VALVE CHAMBER AND DEFINING INLET AND OUTLET PASSAGES OPENING INTO SAID CHAMBER, A VALVE BALL DISPOSED ROTATABLY WITHIN SAID CHAMBER, MEANS DEFINING TWO ANNULAR RECESSES ENCIRCLING THE INNER ENDS OF SAID RESPECTIVE PASSAGES, AN ANNULAR VALVE SEAT SUPPORTED IN EACH OF SAID RECESSES, EACH VALVE SEAT BEING FORMED OF A FLEXIBLE MATERIAL AND CANTILEVERING RADIALLY INWARD INTO ENGAGEMENT WITH SAID BALL, VALVE STEM DRIVINGLY CONNECTED WITH SAID BALL FOR ROTATING THE LATTER BETWEEN A VALVE OPEN POSITION IN WHICH THE SAID PASSAGES AND A VALVE CLOSED POSITION IN WHICH THE VALVE SEAT ENCIRCLING THE INLET PASSAGE COACTS WITH THE BALL TO CLOSE SAID INLET PASSAGE, A HANDLE MOUNTED ON SAID STEM FOR ROTATING THE LATTER, THE VALVE SEAT ENCIRCLING SAID OUTLET PASSAGE BEING SHAPED TO PROVIDE COMMUNICATION BETWEEN SAID VALVE CHAMBER AND SAID OUTLET PASSAGE WHEN SAID VALVE BALL IS IN THE CLOSED VALVE POSITION THEREOF, A NORMALLY CLOSED BLEED VALVE MOUNTED IN SAID VALVE BODY IN COMMUNICATION WITH SAID VALVE CHAMBER AND HAVING AN OUTLET SIDE OPEN TO EXHAUST, AND CAM MEANS ROTATABLE WITH SAID HANDLE AND COACTING WITH SAID BLEED VALVE TO OPEN THE LATTER AUTOMATICALLY AS AN INCIDENT TO MOVEMENT OF THE
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |