US3232336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blending hot water heater
Assignee: Leslie Co
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Filing: 1963-10-18
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Granted: 1966-02-01
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 John S Leslie
- 👤 John T Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:12
CPC Classifications
F; F24; F24D; F24D1/00; F24D1/005; G; G05; G05D; G05D23/00; G05D23/185; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A BLENDING HOT WATER HEATER WHICH COMPRISES A HEAT EXCHANGER PROVIDED WITH A WATER INLET AND A WATER OUTLET, HEATING MEANS WITHIN THE EXCHANGER FOR TRANSFORMING COLD WATER INTRODUCED THROUGH THE INLET TO HOT WATER LEAVING THE OUTLET, A BLENDING VALVE CONSTRUCTED TO BLEND HOT AND COLD WATER IN ANY DESIRED PREDETERMINED PROPORTIONS, A COLD WATER CONNECTION COMMUNICATING BETWEEN THE COLD WATER INLET TO THE HEAT EXCHANGER AND THE BLENDING VALVE, A HOT WATER CONNECTION COMMUNICATING BETWEEN THE HOT WATER OUTLET FROM THE HEAT EXCHANGER AND THE BLENDING VALVE, A CONTROL ELEMENT CONNECTED TO THE BLENDING VALVE FOR CONTROLLING THE RATE OF FLOW OF HOT AND COLD WATER THROUGH THE BLENDING VALVE IN SAID PREDETERMINED PROPORTIONS, AND CONNECTIONS BETWEEN THE CONTROL ELEMENT AND BOTH THE OUTLET SIDE FROM AND ONE OF THE INLET SIDES TO THE BLENDING VALVE WHEREBY THE CONTROL ELEMENT IS RESPONSIVE TO A DEMAND FOR BLENDED WATER FROM THE OUTLET OF THE BLENDING VALVE.
Claim 2
Dependent Claim
157 words
A BLENDING HOT WATER HEATER WHICH COMPRISES A HEAT EXCHANGER PROVIDED WITH A WATER INLET AND A WATER OUTLET, HEATING MEANS WITHIN THE EXCHANGER FOR TRANSFORMING COLD WATER INTRODUCED THROUGH THE INLET TO HOT WATER LEAVING THE OUTLET, A BLENDING VALVE CONSTRUCTED TO BLEND HOT AND COLD WATER IN ANY DESIRED PREDETERMINED PROPORTIONS, A COLD WATER CONNECTION COMMUNICATING BETWEEN THE COLD WATER INLET TO THE HEAT EXCHANGER AND THE BLENDING VALVE, A HOT WATER CONNECTION COMMUNICATING BETWEEN THE HOT WATER OUTLET FROM THE HEAT EXCHANGER AND THE BLENDING VALVE, A CONTROL ELEMENT CONNECTED TO THE BLENDING VALVE FOR CONTROLLING THE RATE OF FLOW OF HOT AND COLD WATER THROUGH THE BLENDING VALVE IN SAID PREDETERMINED PROPORTIONS, AND CONNECTIONS BETWEEN THE CONTROL ELEMENT AND BOTH THE OUTLET SIDE FROM AND ONE OF THE INLET SIDES TO THE BLENDING VALVE WHEREBY THE CONTROL ELEMENT IS RESPONSIVE TO A DEMAND FOR BLENDED WATER FROM THE OUTLET OF THE BLENDING VALVE.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |