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US3085437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential pressure transducer
Assignee: GPE Controls Inc
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Filing: 1960-05-24
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Granted: 1963-04-16
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Expires: 1980-05-24
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Osterstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
G; G01; G01L; G01L7/00; G01L13/00; G01L13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A TRANSDUCER FOR GENERATING A FORCE SIGNAL IN AN EXTERNAL MEMBER DIRECTLY PROPORTIONAL TO DIFFERENTIAL PRESSURE COMPRISING, HOUSING MEANS FORMED TO PROVIDE A DIAPHRAGM CAVITY, A SIGNAL DIAPHRAGM ASSEMBLY ARRANGED IN SAID CAVITY AND ADAPTED TO FORM A PARTITION THEREIN, A SPINDLE ASSEMBLY ARRANGED IN A BORE FORMED IN SAID HOUSING MEANS, SAID SPINDLE ASSEMBLY AFFIXED TO THE INNER REGION OF SAID DIAPHRAGM ASSEMBLY FOR MOVEMENT THEREWITH, TRANSMISSION ROD MEANS AFFIXED TO THE SPINDLE ASSEMBLY, SAID TRANSMISSION ROD MEANS PROJECTING FROM AT LEAST ONE SIDE OF SAID HOUSING MEANS, A PAIR OF AXIALLY OPPOSED SEALING MEANS AFFIXED TO SAID TRANSMISSION ROD MEANS AND TO THE HOUSING MEANS FOR SEALING EACH END OF SAID BORE, AND ADJUSTING MEANS TO ADJUST THE EFFECTIVE AREA OF EACH OF SAID SEALING MEANS AGAINST PRESSURE FORCES ACTING THEREUPON IN A DIRECTION PARALLEL WITH THE LONGITUDINAL AXIS OF SAID SPINDLE ASSEMBLY WHEREBY TO AVOID EXTRANEOUS FORCES UPON SAID SPINDLE ASSEMBLY DUE TO SEAL AREA IMBALANCE.
Claim 2
Dependent Claim
159 words
A TRANSDUCER FOR GENERATING A FORCE SIGNAL IN AN EXTERNAL MEMBER DIRECTLY PROPORTIONAL TO DIFFERENTIAL PRESSURE COMPRISING, HOUSING MEANS FORMED TO PROVIDE A DIAPHRAGM CAVITY, A SIGNAL DIAPHRAGM ASSEMBLY ARRANGED IN SAID CAVITY AND ADAPTED TO FORM A PARTITION THEREIN, A SPINDLE ASSEMBLY ARRANGED IN A BORE FORMED IN SAID HOUSING MEANS, SAID SPINDLE ASSEMBLY AFFIXED TO THE INNER REGION OF SAID DIAPHRAGM ASSEMBLY FOR MOVEMENT THEREWITH, TRANSMISSION ROD MEANS AFFIXED TO THE SPINDLE ASSEMBLY, SAID TRANSMISSION ROD MEANS PROJECTING FROM AT LEAST ONE SIDE OF SAID HOUSING MEANS, A PAIR OF AXIALLY OPPOSED SEALING MEANS AFFIXED TO SAID TRANSMISSION ROD MEANS AND TO THE HOUSING MEANS FOR SEALING EACH END OF SAID BORE, AND ADJUSTING MEANS TO ADJUST THE EFFECTIVE AREA OF EACH OF SAID SEALING MEANS AGAINST PRESSURE FORCES ACTING THEREUPON IN A DIRECTION PARALLEL WITH THE LONGITUDINAL AXIS OF SAID SPINDLE ASSEMBLY WHEREBY TO AVOID EXTRANEOUS FORCES UPON SAID SPINDLE ASSEMBLY DUE TO SEAL AREA IMBALANCE.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |