US3334513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas analyzer
Assignee: Whirlpool Corp
•
Filing: 1964-05-15
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Granted: 1967-08-08
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Expires: 1984-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jess W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:24
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/02; G01N11/04; G01N11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
APPARATUS FOR INDICATING VARYING PRESSURE-VOLUME CHANGES IN A MIXTURE OF A THIRD GAS WITH A PAIR OF GASES WITH SAID CHANGES BEING DUE TO VARIATIONS IN AMOUNTS OF SAID THIRD GAS ONLY IN WHICH A FIRST GAS OF SAID PAIR HAS A LOWER MOLECULAR WEIGHT AND HIGHER VISCOSTIY THAN THE MOLECULAR WEIGHT AND VISCOSITY OF THE SECOND GAS OF SAID PAIR, COMPRISING: MEANS PROVIDING A GAS LINE FOR SAID MIXTURE; PUMP MEANS FOR FORCEFULLY FLOWING SAID MIXTURE THROUGH SAID LINE; A CAPILLARY TUBE FLOW RESTRICTOR FORMING A PART OF SAID LINE AND PROVIDING STREAMLINE FLOW OF SAID MIXTURE IN SAID TUBE, SAID TUBE HAVING AN ENTRANCE AND AN EXIT AND A LENGTH SUCH THAT SAID PAIR OF FIRST AND SECOND GASES HAS SUBSTANTIALLY CONSTANT PRESSURE-VOLUME FLOW CHARACTERISTICS IN SAID TUBE AT UNIFORM VOLUMETRIC FLOW RATES REGARDLESS OF THE RELATIVE PROPORTIONS OF SAID PAIR OF GASES, THE LENGTH BEING DETERMINED BY THE FOLLOWING EQUATION:
Claim 2
Dependent Claim
153 words
APPARATUS FOR INDICATING VARYING PRESSURE-VOLUME CHANGES IN A MIXTURE OF A THIRD GAS WITH A PAIR OF GASES WITH SAID CHANGES BEING DUE TO VARIATIONS IN AMOUNTS OF SAID THIRD GAS ONLY IN WHICH A FIRST GAS OF SAID PAIR HAS A LOWER MOLECULAR WEIGHT AND HIGHER VISCOSTIY THAN THE MOLECULAR WEIGHT AND VISCOSITY OF THE SECOND GAS OF SAID PAIR, COMPRISING: MEANS PROVIDING A GAS LINE FOR SAID MIXTURE; PUMP MEANS FOR FORCEFULLY FLOWING SAID MIXTURE THROUGH SAID LINE; A CAPILLARY TUBE FLOW RESTRICTOR FORMING A PART OF SAID LINE AND PROVIDING STREAMLINE FLOW OF SAID MIXTURE IN SAID TUBE, SAID TUBE HAVING AN ENTRANCE AND AN EXIT AND A LENGTH SUCH THAT SAID PAIR OF FIRST AND SECOND GASES HAS SUBSTANTIALLY CONSTANT PRESSURE-VOLUME FLOW CHARACTERISTICS IN SAID TUBE AT UNIFORM VOLUMETRIC FLOW RATES REGARDLESS OF THE RELATIVE PROPORTIONS OF SAID PAIR OF GASES, THE LENGTH BEING DETERMINED BY THE FOLLOWING EQUATION:
References Cited (Backward Citations)
US1633352A
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US1884896A
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US2674118A
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US3005552A
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US3086386A
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US3234781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |