US3099996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-scald mixing valve
Assignee: Individual
•
Filing: 1961-12-22
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Granted: 1963-08-06
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Paul C Symmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/1313; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/202; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A MIXING VALVE FOR TWO FLUIDS UNDER PRESSURE AT DIFFERENT TEMPERATURES COMPRISING, A MAIN VALVE HAVING A TUBULAR SECTION WITH AT LEAST ONE INLET HOLE AND A PLURALITY OF OUTLET HOLES FOR EACH FLUID, SAID INLET HOLES EACH HAVING A RECTANGULAR CONFIGURATION WITH TWO SIDES THEREOF EXTENDING CIRCUMFERENTIALLY AND TWO SIDES THEREOF EXTENDING AXIALLY OF SAID TUBULAR SECTION, A PRESSURE EQUALIZING VALVE RECIPROCALLY AND ROTATABLY MOUNTED IN SAID TUBULAR SECTION, SAID PRESSURE EQUALIZING VALVE HAVING FIRST VALVE SECTIONS FOR VARYING THE EFFECTIVE AXIAL DIMENSIONS OF SAID INLET HOLES INVERSELY BUT PROPORTIONALLY FOR SAID TWO FLUIDS AS SAID EQUALIZING VALVE MOVES LONGITUDINALLY IN SAID TUBULAR SECTION, WHEREBY TO VARY THE PROPORTION OF FLUIDS FLOWING THROUGH SAID INLET HOLES, SAID EQUALIZING VALVE ALSO HAVING SECOND VALVE SECTIONS FOR VARYING THE EFFECTIVE CIRCUMFERENTIAL DIMENSIONS OF SAID INLET HOLES PROPORTIONALLY AS SAID EQUALIZING VALVE IS ROTATED IN SAID TUBULAR SECTION, WHEREBY TO VARY THE VOLUME OF FLUIDS DISCHARGED FROM SAID OUTLET HOLES, SAID EQUALIZING VALVE SHAPED TO LEAVE SAID OUTLET HOLES CONTINUALLY UNBLOCKED AS SAID EQUALIZER VALVE IS ROTATED IN SAID TUBULAR SECTION,
Claim 2
Dependent Claim
179 words
A MIXING VALVE FOR TWO FLUIDS UNDER PRESSURE AT DIFFERENT TEMPERATURES COMPRISING, A MAIN VALVE HAVING A TUBULAR SECTION WITH AT LEAST ONE INLET HOLE AND A PLURALITY OF OUTLET HOLES FOR EACH FLUID, SAID INLET HOLES EACH HAVING A RECTANGULAR CONFIGURATION WITH TWO SIDES THEREOF EXTENDING CIRCUMFERENTIALLY AND TWO SIDES THEREOF EXTENDING AXIALLY OF SAID TUBULAR SECTION, A PRESSURE EQUALIZING VALVE RECIPROCALLY AND ROTATABLY MOUNTED IN SAID TUBULAR SECTION, SAID PRESSURE EQUALIZING VALVE HAVING FIRST VALVE SECTIONS FOR VARYING THE EFFECTIVE AXIAL DIMENSIONS OF SAID INLET HOLES INVERSELY BUT PROPORTIONALLY FOR SAID TWO FLUIDS AS SAID EQUALIZING VALVE MOVES LONGITUDINALLY IN SAID TUBULAR SECTION, WHEREBY TO VARY THE PROPORTION OF FLUIDS FLOWING THROUGH SAID INLET HOLES, SAID EQUALIZING VALVE ALSO HAVING SECOND VALVE SECTIONS FOR VARYING THE EFFECTIVE CIRCUMFERENTIAL DIMENSIONS OF SAID INLET HOLES PROPORTIONALLY AS SAID EQUALIZING VALVE IS ROTATED IN SAID TUBULAR SECTION, WHEREBY TO VARY THE VOLUME OF FLUIDS DISCHARGED FROM SAID OUTLET HOLES, SAID EQUALIZING VALVE SHAPED TO LEAVE SAID OUTLET HOLES CONTINUALLY UNBLOCKED AS SAID EQUALIZER VALVE IS ROTATED IN SAID TUBULAR SECTION,
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |