Patent US3309014A successfully refreshed from Google Patents.
US3309014A
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US
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Coaxial suction and delivery valve arrangement for high pressure compressors and pumps
Assignee: Burckhardt Compression AG
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Filing: 1965-08-10
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Granted: 1967-03-14
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Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 Bauer Helmut
- 👤 Aesch Anton Leitgeb
- 👤 Strebel Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/125; F04B39/10; F04B39/1013; F04B39/102; F04B39/1033; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/066; F16K2200/00; F16K2200/20; F16K2200/202; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/7859; Y10T137/786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A HIGH PRESSURE FLUID COMPRESSING MACHINE, THE COMBINATION WITH THE MACHINE CYLINDER OF A VALVE CARRYING BODY PROVIDED WITH AN AXIAL CHANNEL AND WITH A PLURALITY OF SLOPING CHANNELS SURROUNDING THE AXIAL PASSAGE AND CONVERGING TOWARDS THE CYLINDER, THE SURFACE OF THE BODY FACING THE CYLINDER HAVING A PART SPHERICAL CONCAVE SECTION INTO WHICH THE SLOPING CHANNELS OPEN AND A FLAT OUTER EXTENSION FOR SAID PART SPHERICAL SECTION, AN ANNULAR SUCTION VALVE HAVING A SURFACE MATCHING SAID PART SPHERICAL SURFACE AND COOPERATING WITH THE OPENINGS OF THE SLOPING CHANNELS FACING THE CYLINDER, A DELIVERY VALVE COOPERATING WITH THE OPENING OF THE AXIAL CHANNEL IN THE BODY AT THE END THEREOF FACING AWAY FROM THE CYLINDER, AND MEANS WHEREBY THE PORTION OF THE OUTER PERIPHERY OF THE BODY EXTENDING BETWEEN SAID OPENINGS
Claim 2
Dependent Claim
132 words
IN A HIGH PRESSURE FLUID COMPRESSING MACHINE, THE COMBINATION WITH THE MACHINE CYLINDER OF A VALVE CARRYING BODY PROVIDED WITH AN AXIAL CHANNEL AND WITH A PLURALITY OF SLOPING CHANNELS SURROUNDING THE AXIAL PASSAGE AND CONVERGING TOWARDS THE CYLINDER, THE SURFACE OF THE BODY FACING THE CYLINDER HAVING A PART SPHERICAL CONCAVE SECTION INTO WHICH THE SLOPING CHANNELS OPEN AND A FLAT OUTER EXTENSION FOR SAID PART SPHERICAL SECTION, AN ANNULAR SUCTION VALVE HAVING A SURFACE MATCHING SAID PART SPHERICAL SURFACE AND COOPERATING WITH THE OPENINGS OF THE SLOPING CHANNELS FACING THE CYLINDER, A DELIVERY VALVE COOPERATING WITH THE OPENING OF THE AXIAL CHANNEL IN THE BODY AT THE END THEREOF FACING AWAY FROM THE CYLINDER, AND MEANS WHEREBY THE PORTION OF THE OUTER PERIPHERY OF THE BODY EXTENDING BETWEEN SAID OPENINGS
References Cited (Backward Citations)
US1614851A
Cited
US1719572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |