US3248055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic mixing valve
Assignee: United Aircraft Products Inc
•
Filing: 1964-01-10
•
Granted: 1966-04-26
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:51
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/138; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A MIXING VALVE, INCLUDING A DUCT, MEANS FOR FLOWING A HIGH TEMPERATURE FLUID THROUGH SAID DUCT, MEANS FOR ADMITTING A RELATIVELY COOLER FLUID TO SAID DUCT UNDER AN EDUCTING INFLUENCE OF SAID HIGH TEMPERATURE FLUID, SAID COOLER FLUID COMBINING WITH AND TEMPERING SAID HIGH TEMPERATURE FLUID, A THERMOSTAT HAVING POSERED MOTION UNDER TEMPERATURE CHANGE INSTALLED IN SID DUCT TO SENSE THE TEMPERATURE OF THE TEMPERED MIXTURE, SAID THERMOSTAT HAVING A PORTION OUTSIDE SAID DUCT EXTENSIBLE IN RESPONSE TO RISING TEMPERATURES, SPRING MEANS RETRACTING SAID THERMOSTAT PORTION IN RESPONSE TO LOWERING TEMPERATURES A VALVE ADJUSTABLE TO CONTROL THE ADMISSION OF SAID COOLER FLUID TO SAID DUCT, OTHER SPRING MEANS SUBORDINATE IN STRENGTH TO THE FIRST SAID SPRING MEANS BIASING SAID VALVE TO OPEN POSITION, A CABLE CONNECTING SAID EXTENSIBLE PORTION OF SAID THERMOSTAT TO SAID VALVE, AND GUIDES FOR SAID
Claim 2
Dependent Claim
139 words
A MIXING VALVE, INCLUDING A DUCT, MEANS FOR FLOWING A HIGH TEMPERATURE FLUID THROUGH SAID DUCT, MEANS FOR ADMITTING A RELATIVELY COOLER FLUID TO SAID DUCT UNDER AN EDUCTING INFLUENCE OF SAID HIGH TEMPERATURE FLUID, SAID COOLER FLUID COMBINING WITH AND TEMPERING SAID HIGH TEMPERATURE FLUID, A THERMOSTAT HAVING POSERED MOTION UNDER TEMPERATURE CHANGE INSTALLED IN SID DUCT TO SENSE THE TEMPERATURE OF THE TEMPERED MIXTURE, SAID THERMOSTAT HAVING A PORTION OUTSIDE SAID DUCT EXTENSIBLE IN RESPONSE TO RISING TEMPERATURES, SPRING MEANS RETRACTING SAID THERMOSTAT PORTION IN RESPONSE TO LOWERING TEMPERATURES A VALVE ADJUSTABLE TO CONTROL THE ADMISSION OF SAID COOLER FLUID TO SAID DUCT, OTHER SPRING MEANS SUBORDINATE IN STRENGTH TO THE FIRST SAID SPRING MEANS BIASING SAID VALVE TO OPEN POSITION, A CABLE CONNECTING SAID EXTENSIBLE PORTION OF SAID THERMOSTAT TO SAID VALVE, AND GUIDES FOR SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |