US3246840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive bimetal actuated valve
Assignee: Controls Company of America
•
Filing: 1963-05-28
•
Granted: 1966-04-19
•
Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Alan A Matthies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:19
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/36; F25B2341/00; F25B2341/06; F25B2341/068; F25B2341/0683; F25B2600/00; F25B2600/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A VALVE COMPRISING, A HOUSING HAVING A PARTITION THEREIN DIVIDING THE HOUSING INTO FIRST AND SECOND CHAMBERS, AN INLET TO AND AN OUTLET FROM EACH CHAMBER, A BALANCED VALVE IN THE FIRST CHAMBER REGULATING FLOW THERETHROUGH UNAFFECTED BY INLET OR OUTLET PRESSURES, A VALVE OPERATOR PASSING THROUGH THE PARTITION AND CONNECTED TO THE VALVE WHILE BEING SUBJECTED TO THE PRESSURE DIFFERENTIAL BETWEEN THE CHAMBERS, A BIMETAL SENSOR IN EACH CHAMBER AND CONNECTED TO THE OPERATOR TO REGULATE THE VALVE TO MAINTAIN A DESIRED TEMPERATURE DIFFERENTIAL BETWEEN THE CHAMBERS, THE SIZE OF THE OPERATOR AND THE CHARACTERISTICS OF THE BIMETAL SENSORS BEING SELECTED IN INFLUENCE VALVE MOTION TO MAINTAIN DESIRED TEMPERATURE AND PRESSURE DIFFERENTIALS BETWEEN THE CHAMBERS.
Claim 2
Dependent Claim
116 words
A VALVE COMPRISING, A HOUSING HAVING A PARTITION THEREIN DIVIDING THE HOUSING INTO FIRST AND SECOND CHAMBERS, AN INLET TO AND AN OUTLET FROM EACH CHAMBER, A BALANCED VALVE IN THE FIRST CHAMBER REGULATING FLOW THERETHROUGH UNAFFECTED BY INLET OR OUTLET PRESSURES, A VALVE OPERATOR PASSING THROUGH THE PARTITION AND CONNECTED TO THE VALVE WHILE BEING SUBJECTED TO THE PRESSURE DIFFERENTIAL BETWEEN THE CHAMBERS, A BIMETAL SENSOR IN EACH CHAMBER AND CONNECTED TO THE OPERATOR TO REGULATE THE VALVE TO MAINTAIN A DESIRED TEMPERATURE DIFFERENTIAL BETWEEN THE CHAMBERS, THE SIZE OF THE OPERATOR AND THE CHARACTERISTICS OF THE BIMETAL SENSORS BEING SELECTED IN INFLUENCE VALVE MOTION TO MAINTAIN DESIRED TEMPERATURE AND PRESSURE DIFFERENTIALS BETWEEN THE CHAMBERS.
References Cited (Backward Citations)
US990772A
Cited
US1219515A
Cited
US2159819A
Cited
US2700716A
Cited
US2651467A
Cited
US2964243A
Cited
US3090559A
Cited
US3169704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |