Patent US3146794A successfully refreshed from Google Patents.
US3146794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas valves
Assignee: Robertshaw Controls Co
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Filing: 1961-01-23
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Granted: 1964-09-01
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Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Peter I Hollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:31
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; F16K11/0743; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86517; Y10T137/86533; Y10T137/86718; Y10T137/86734; Y10T137/86743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
IN A GAS VALVE FOR DOUBLE BURNER COMPRISING A MAIN BURNER AND A SIMMER BURNER, THE COMBINATION OF A VALVE BODY HAVING A VALVE SEAT SURFACE ON ONE END THEREOF AND THE OTHER END THEREOF BEING PROVIDED WITH THREE OPENINGS THEREIN, SAID VALVE SEAT SURFACE HAVING THREE PORTS PROVIDED THEREIN SAID VALVE BODY HAVING THREE MAIN PASSAGEWAYS RESPECTIVELY INTERCONNECTING SAID PORTS WITH SAID OPENINGS, SAID VALVE BODY HAVING A SEPARATE BY-PASS PASSAGEWAY ADJACENT SAID VALVE SEAT SURFACE, SAID VALVE SEAT SURFACE HAVING AN OUTLET THEREIN INTERCONNECTED TO ONE OF SAID MAIN PASSAGEWAY BY SAID BY-PASS PASSAGEWAY, A VALVE DISC HAVING ONE SURFACE THEREOF PROVIDED TO SLIDABLY ENGAGE SAID VALVE SEAT SURFACE, SAID VALVE DISC HAVING A RECESS PROVIDED THEREIN AND EXTENDING INWARDLY FROM SAID SURFACE THEREOF, SAID VALVE DISC HAVING TWO SEPARATE AND DISTINCT CAVITIES PROVIDED THEREIN AND EXTENDING INWARDLY FROM SAID SURFACE THEREOF, SAID VALVE DISC BEING PROVIDED WITH TWO PASSAGEWAYS RESPECTIVELY INTERCONNECTING EACH OF SAID CAVITIES WITH SAID RECESS, MEANS FOR ROTATING SAID VALVE DISC, AND MEANS FOR SUCCESSIVELY REGISTERING THE SAID RECESS AND SAID CAVITIES IN SAID VALVE DISC WITH SAID PORTS AND SAID OUTLET IN SAID VALVE SEAT SURFACE TO FORM A PLURALITY OF CONNECTING FLOW PASSAGES WITHIN SAID VALVE DISC AND VALVE BODY.
Claim 2
Dependent Claim
208 words
IN A GAS VALVE FOR DOUBLE BURNER COMPRISING A MAIN BURNER AND A SIMMER BURNER, THE COMBINATION OF A VALVE BODY HAVING A VALVE SEAT SURFACE ON ONE END THEREOF AND THE OTHER END THEREOF BEING PROVIDED WITH THREE OPENINGS THEREIN, SAID VALVE SEAT SURFACE HAVING THREE PORTS PROVIDED THEREIN SAID VALVE BODY HAVING THREE MAIN PASSAGEWAYS RESPECTIVELY INTERCONNECTING SAID PORTS WITH SAID OPENINGS, SAID VALVE BODY HAVING A SEPARATE BY-PASS PASSAGEWAY ADJACENT SAID VALVE SEAT SURFACE, SAID VALVE SEAT SURFACE HAVING AN OUTLET THEREIN INTERCONNECTED TO ONE OF SAID MAIN PASSAGEWAY BY SAID BY-PASS PASSAGEWAY, A VALVE DISC HAVING ONE SURFACE THEREOF PROVIDED TO SLIDABLY ENGAGE SAID VALVE SEAT SURFACE, SAID VALVE DISC HAVING A RECESS PROVIDED THEREIN AND EXTENDING INWARDLY FROM SAID SURFACE THEREOF, SAID VALVE DISC HAVING TWO SEPARATE AND DISTINCT CAVITIES PROVIDED THEREIN AND EXTENDING INWARDLY FROM SAID SURFACE THEREOF, SAID VALVE DISC BEING PROVIDED WITH TWO PASSAGEWAYS RESPECTIVELY INTERCONNECTING EACH OF SAID CAVITIES WITH SAID RECESS, MEANS FOR ROTATING SAID VALVE DISC, AND MEANS FOR SUCCESSIVELY REGISTERING THE SAID RECESS AND SAID CAVITIES IN SAID VALVE DISC WITH SAID PORTS AND SAID OUTLET IN SAID VALVE SEAT SURFACE TO FORM A PLURALITY OF CONNECTING FLOW PASSAGES WITHIN SAID VALVE DISC AND VALVE BODY.
References Cited (Backward Citations)
US2765809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |