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US3205871A
Expired / Lapsed
US
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Coil overheat sensor and control
Assignee: Vapor Corp
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Filing: 1963-05-06
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Granted: 1965-09-14
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Philip M Higgins
- 👤 Raymond P Czarnecki
- 👤 Robert M Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:46
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/2236; G05D23/224; A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0057; C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; F; F22; F22B; F22B37/00; F22B37/02; F22B37/42; F22B37/46; F22B37/47; F22G; F22G5/00; G01; G01K; G01K3/00; G01K3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A COIL TYPE BOILER INCLUDING A SET OF COILS ARRANGED WITHIN BOILER WALLS AND HAVING A WATER INLET PIPE, A STEAM OUTLET PIPE AND A BURNER FOR IMPARTING HEAT TO SAID COILS, SAID STEAM OUTLER PIPE EXTENDING THROUGH SAID BOILER WALLS, A COIL OVERHEAT SENSOR AND CONTRL UNIT COMPRISING, MEANS ON SAID STEAM OUTLET PIPE DEFINING AN ELONGATED DIMPLE ALONG ITS OUTER SURFACE EXTENDING FROM WITHIN SAID BOILER THROUGH SAID BOILER WALLS AND TO OUTSIDE OF SAID BOILER, A THERMOCOUPLE SECURED IN AND COEXTENSIVE WITH SAID DIMPLE AND BEING EXPOSED WITHIN SAID BOILER TO THE OUTPUT OF SAID BURNER, THE JUNCTION OF THE THERMOCOUPLE BEING POSITIONED AT A HOT SPOT ALONG SAID STEAM OUTLET PIPE, MEANS FOR AMPLIFYING THE SIGNAL OF SAID THERMOCOUPLE, AND ELECTRONIC TRIGGERING MEANS RESPONSIVE TO THE AMPLIFIED THERMOCOUPLE SIGNAL WHEN THE COIL SURFACE TEMPERATURE REACHES A PREDETERMINED LEVEL TO SHUT DOWN SAID BURNER.
Claim 2
Dependent Claim
148 words
IN A COIL TYPE BOILER INCLUDING A SET OF COILS ARRANGED WITHIN BOILER WALLS AND HAVING A WATER INLET PIPE, A STEAM OUTLET PIPE AND A BURNER FOR IMPARTING HEAT TO SAID COILS, SAID STEAM OUTLER PIPE EXTENDING THROUGH SAID BOILER WALLS, A COIL OVERHEAT SENSOR AND CONTRL UNIT COMPRISING, MEANS ON SAID STEAM OUTLET PIPE DEFINING AN ELONGATED DIMPLE ALONG ITS OUTER SURFACE EXTENDING FROM WITHIN SAID BOILER THROUGH SAID BOILER WALLS AND TO OUTSIDE OF SAID BOILER, A THERMOCOUPLE SECURED IN AND COEXTENSIVE WITH SAID DIMPLE AND BEING EXPOSED WITHIN SAID BOILER TO THE OUTPUT OF SAID BURNER, THE JUNCTION OF THE THERMOCOUPLE BEING POSITIONED AT A HOT SPOT ALONG SAID STEAM OUTLET PIPE, MEANS FOR AMPLIFYING THE SIGNAL OF SAID THERMOCOUPLE, AND ELECTRONIC TRIGGERING MEANS RESPONSIVE TO THE AMPLIFIED THERMOCOUPLE SIGNAL WHEN THE COIL SURFACE TEMPERATURE REACHES A PREDETERMINED LEVEL TO SHUT DOWN SAID BURNER.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |