US3079950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing valve
Assignee: Dole Valve Co
•
Filing: 1954-04-15
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Granted: 1963-03-05
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Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 Victor E Rimsha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:59
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
349 words
IN A MIXING VALVE, A VALVE BODY HAVING A MIXING CHAMBER THEREIN, A COLD WATER INLET INTO SAID BODY LEADING TO SAID MIXING CHAMBER AND HAVING A FLOW CONTROL DEVICE THEREIN FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW THERETHROUGH UNDER VARIATIONS IN PRESSURE, A HOT WATER INLET INTO SAID BODY, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID HOT WATER INLET AND LEADING TO SAID MIXING CHAMBER AND HAVING A FLOW CONTROL DEVICE THEREIN FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW THERETHROUGH UNDER VARIATIONS IN PRESSURE, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID MIXING CHAMBER AND OPENING TO THE OUTSIDE OF SAID BODY FOR ASSOCIATION WITH A FIRST DIAPHRAGM SHUT-OFF VALVE, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID HOT WATER INLET AND OPENING TO THE OUTSIDE OF SAID BODY FOR ASSOCIATION WITH A SECOND DIAPHRAGM SHUT-OFF VALVE, FIRST AND SECOND DIAPHRAGM SHUT-OFF VALVES RESPECTIVELY ASSOCIATED WITH SAID BODY FOR COOPERATION WITH SAID FLUID PASSAGEWAYS OPENING TO THE OUTSIDE THEREOF, AN OUTLET FROM SAID BODY, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID OUTLET AND OPENING TO SAID FIRST DIAPHRAGM VALVE, AND A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID OUTLET AND OPENING TO SAID SECOND DIAPHRAGM VALVE, THE FLOW PATH THROUGH SAID BODY GOING TO SAID COLD WATER INLET AND THROUGH SAID MIXING CHAMBER AND OUT SAID OUTLET BY WAY OF SAID FIRST DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE, THE FLOW PATH THROUGH SAID BODY GOING INTO SAID HOT WATER INLET AND THROUGH SAID MIXING CHAMBER AND OUT SAID OUTLET BY WAY OF SAID FIRST DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE, AND THE FLOW PATH THROUGH SAID BODY GOING INTO SAID HOT WATER INLET AND OUT SAID OUTLET BY WAY OF SAID SECOND DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE.
Claim 2
Dependent Claim
349 words
IN A MIXING VALVE, A VALVE BODY HAVING A MIXING CHAMBER THEREIN, A COLD WATER INLET INTO SAID BODY LEADING TO SAID MIXING CHAMBER AND HAVING A FLOW CONTROL DEVICE THEREIN FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW THERETHROUGH UNDER VARIATIONS IN PRESSURE, A HOT WATER INLET INTO SAID BODY, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID HOT WATER INLET AND LEADING TO SAID MIXING CHAMBER AND HAVING A FLOW CONTROL DEVICE THEREIN FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW THERETHROUGH UNDER VARIATIONS IN PRESSURE, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID MIXING CHAMBER AND OPENING TO THE OUTSIDE OF SAID BODY FOR ASSOCIATION WITH A FIRST DIAPHRAGM SHUT-OFF VALVE, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID HOT WATER INLET AND OPENING TO THE OUTSIDE OF SAID BODY FOR ASSOCIATION WITH A SECOND DIAPHRAGM SHUT-OFF VALVE, FIRST AND SECOND DIAPHRAGM SHUT-OFF VALVES RESPECTIVELY ASSOCIATED WITH SAID BODY FOR COOPERATION WITH SAID FLUID PASSAGEWAYS OPENING TO THE OUTSIDE THEREOF, AN OUTLET FROM SAID BODY, A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID OUTLET AND OPENING TO SAID FIRST DIAPHRAGM VALVE, AND A FLUID PASSAGEWAY IN SAID BODY COMMUNICATING WITH SAID OUTLET AND OPENING TO SAID SECOND DIAPHRAGM VALVE, THE FLOW PATH THROUGH SAID BODY GOING TO SAID COLD WATER INLET AND THROUGH SAID MIXING CHAMBER AND OUT SAID OUTLET BY WAY OF SAID FIRST DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE, THE FLOW PATH THROUGH SAID BODY GOING INTO SAID HOT WATER INLET AND THROUGH SAID MIXING CHAMBER AND OUT SAID OUTLET BY WAY OF SAID FIRST DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE, AND THE FLOW PATH THROUGH SAID BODY GOING INTO SAID HOT WATER INLET AND OUT SAID OUTLET BY WAY OF SAID SECOND DIAPHRAGM VALVE CONTAINING NOT MORE THAN A SINGLE FLOW CONTROL DEVICE FOR MAINTAINING A SUBSTANTIALLY CONSTANT RATE OF FLOW UNDER VARIATIONS IN PRESSURE.
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |