US3132804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic valve
Assignee: Individual
•
Filing: 1961-12-18
•
Granted: 1964-05-12
•
Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Richard C Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:00
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A TEMPERATURE RESPONSIVE VALVE COMPRISING, A HOUSING HAVING MEANS AT OPPOSITE ENDS FOR CONNECTION IN A FLUID LINE, A PAIR OF SPACED, OPPOSED, ANNULAR VALVE SEATS WITHIN THE HOUSING, THE ANNULAR SEATS DEFINING PASSAGES THROUGH THE HOUSING COMMUNICATING WITH SAID OPPOSITE ENDS OF THE HOUSING, A BALL VALVE HAVING ITS OPPOSITE SIDES SEATED IN SEALING RELATION IN THE VALVE SEATS, THE BALL HAVING A PORT DIAMETRICALLY THERETHROUGH FOR REGISTRY WITH THE PASSAGES THROUGH THE HOUSING, THE BALL VALVE BEING APERTURED AT RIGHT ANGLES TO THE PORT, A STEM EXTENDING THROUGH THE APERTURE AND CONNECTED TO THE BALL BY A PIN EXTENDING THROUGH THE STEM AND DIAMETRICALLY THROUGH THE BALL, A HELICAL, BI-METALLIC THERMOSTAT SURROUNDING THE STEM AND HAVING ONE END ATTACHED TO THE STEM, A SLEEVE ROTATABLE ON THE STEM CONNECTED TO THE OTHER END OF THE BI-METALLIC THERMOSTAT, THE SLEEVE EXTENDING THROUGH THE APERTURE IN THE BALL AND BEING SLOTTED ON OPPOSITE SIDES IN THE REGION OF SAID PIN TO PERMIT RELATIVE ROTATION BETWEEN THE STEM AND SLEEVE, AND MEANS TO HOLD THE SLEEVE IN ADJUSTED POSITIONS OF ROTATION RELATIVE TO THE HOUSING.
Claim 2
Dependent Claim
184 words
A TEMPERATURE RESPONSIVE VALVE COMPRISING, A HOUSING HAVING MEANS AT OPPOSITE ENDS FOR CONNECTION IN A FLUID LINE, A PAIR OF SPACED, OPPOSED, ANNULAR VALVE SEATS WITHIN THE HOUSING, THE ANNULAR SEATS DEFINING PASSAGES THROUGH THE HOUSING COMMUNICATING WITH SAID OPPOSITE ENDS OF THE HOUSING, A BALL VALVE HAVING ITS OPPOSITE SIDES SEATED IN SEALING RELATION IN THE VALVE SEATS, THE BALL HAVING A PORT DIAMETRICALLY THERETHROUGH FOR REGISTRY WITH THE PASSAGES THROUGH THE HOUSING, THE BALL VALVE BEING APERTURED AT RIGHT ANGLES TO THE PORT, A STEM EXTENDING THROUGH THE APERTURE AND CONNECTED TO THE BALL BY A PIN EXTENDING THROUGH THE STEM AND DIAMETRICALLY THROUGH THE BALL, A HELICAL, BI-METALLIC THERMOSTAT SURROUNDING THE STEM AND HAVING ONE END ATTACHED TO THE STEM, A SLEEVE ROTATABLE ON THE STEM CONNECTED TO THE OTHER END OF THE BI-METALLIC THERMOSTAT, THE SLEEVE EXTENDING THROUGH THE APERTURE IN THE BALL AND BEING SLOTTED ON OPPOSITE SIDES IN THE REGION OF SAID PIN TO PERMIT RELATIVE ROTATION BETWEEN THE STEM AND SLEEVE, AND MEANS TO HOLD THE SLEEVE IN ADJUSTED POSITIONS OF ROTATION RELATIVE TO THE HOUSING.
References Cited (Backward Citations)
CA618751A
Cited
US1236257A
Cited
US1621640A
Cited
US1822001A
Cited
US1948659A
Cited
US2079869A
Cited
GB509319A
Cited
US2434086A
Cited
US2468268A
Cited
GB738582A
Cited
US3008697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |