Patent US3072147A successfully refreshed from Google Patents.
US3072147A
Expired / Lapsed
US
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Electro-pneumatic translator
Assignee: Westinghouse Air Brake Co
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Filing: 1961-09-29
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Granted: 1963-01-08
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Allen
- 👤 Homer A Knight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:16
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50; F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; F15B13/0436; Y; Y10; Y10S; Y10S200/00; Y10S200/05; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2213; Y10T137/2273; Y10T137/2278; Y10T137/2322; Y10T137/8593; Y10T137/87249
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN ELECTRO-PNEUMATIC TRANSLATOR DEVICE COMPRISING A CASING HAVING A THROUGH PASSAGEWAY THEREIN AT ONE END OF WHICH IS A FLUID PRESSURE INLET AND AT THE OPPOSITE END OF WHICH IS A FLUID PRESSURE OUTLET, A TRANSVERSE PASSAGEWAY INTERSECTING SAID THROUGH PASSAGEWAY AND IN WHICH A SUB-ATMOSPHERIC PRESSURE IS CREATED BY FLUID PRESSURE FLOW IN THE THROUGH PASSAGEWAY, ONE END OF SAID TRANSVERSE PASSAGEWAY ON ONE SIDE OF SAID THROUGH PASSAGEWAY BEING OPEN TO ATMOSPHERE, VALVE MEANS IN THE OTHER PORTION OF SAID TRANSVERSE PASSAGEWAY ON THE OPPOSITE SIDE OF SAID THROUGH PASSAGEWAY FOR VARYING THE DEGREE OF OPENING OF THE OTHER PORTION OF THE TRANSVERSE PASSAGEWAY TO ATMOSPHERE THEREBY TO VARY THE DIFFERENTIAL PRESSURE IN THE PORTIONS OF THE TRANSVERSE PASSAGEWAY ON OPPOSITE SIDES OF THE THROUGH PASSAGEWAY TO EFFECT A TRANSVERSE FORCE DEFLECTING THE FLUID FLOW IN THE THROUGH PASSAGE, AND A BRANCH PASSAGEWAY OPENING OUT OF SAID THROUGH PASSAGEWAY INTO WHICH A PORTION OF THE FLUID FLOWING IN THE THROUGH PASSAGEWAY MAY BE DEFLECTED, THE PRESSURE OF THE FLUID DELIVERED AT SAID OUTLET VARYING ACCORDING TO THE POSITION OF SAID VALVE MEANS.
Claim 2
Dependent Claim
184 words
AN ELECTRO-PNEUMATIC TRANSLATOR DEVICE COMPRISING A CASING HAVING A THROUGH PASSAGEWAY THEREIN AT ONE END OF WHICH IS A FLUID PRESSURE INLET AND AT THE OPPOSITE END OF WHICH IS A FLUID PRESSURE OUTLET, A TRANSVERSE PASSAGEWAY INTERSECTING SAID THROUGH PASSAGEWAY AND IN WHICH A SUB-ATMOSPHERIC PRESSURE IS CREATED BY FLUID PRESSURE FLOW IN THE THROUGH PASSAGEWAY, ONE END OF SAID TRANSVERSE PASSAGEWAY ON ONE SIDE OF SAID THROUGH PASSAGEWAY BEING OPEN TO ATMOSPHERE, VALVE MEANS IN THE OTHER PORTION OF SAID TRANSVERSE PASSAGEWAY ON THE OPPOSITE SIDE OF SAID THROUGH PASSAGEWAY FOR VARYING THE DEGREE OF OPENING OF THE OTHER PORTION OF THE TRANSVERSE PASSAGEWAY TO ATMOSPHERE THEREBY TO VARY THE DIFFERENTIAL PRESSURE IN THE PORTIONS OF THE TRANSVERSE PASSAGEWAY ON OPPOSITE SIDES OF THE THROUGH PASSAGEWAY TO EFFECT A TRANSVERSE FORCE DEFLECTING THE FLUID FLOW IN THE THROUGH PASSAGE, AND A BRANCH PASSAGEWAY OPENING OUT OF SAID THROUGH PASSAGEWAY INTO WHICH A PORTION OF THE FLUID FLOWING IN THE THROUGH PASSAGEWAY MAY BE DEFLECTED, THE PRESSURE OF THE FLUID DELIVERED AT SAID OUTLET VARYING ACCORDING TO THE POSITION OF SAID VALVE MEANS.
References Cited (Backward Citations)
US3016063A
Cited
US3001539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |