US3092035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pumps or motors
Assignee: ZF International UK Ltd
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Filing: 1960-02-15
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Granted: 1963-06-04
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Freeman Frank George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:39
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0055; F02; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A DEVICE OF THE KIND SPECIFIED, COMPRISING IN COMBINATION A CASING PROVIDED AT ONE END WITH A FLUID INLET AND A FLUID OUTLET, A ROTARY CYLINDRICAL BODY PART MOUNTED WITHIN THE CASING WITH ONE END ADJACENT THE SAID END OF THE CASING, AND PROVIDED WITH AT LEAST ONE CYLINDRICAL BORE WHICH EXTENDS LONGITUDINALLY THROUGH THE BODY PART IN SPACED RELATIONSHIP TO THE AXIS THEREOF, A SWASH PLATE MOUNTED WITHIN THE CASING ADJACENT THE OTHER END OF THE BODY PART, A PLUNGER SLIDABLY SUPPORTED WITHIN THE BORE IN THE BODY PART, AND EXTENDING FROM THE LAST-MENTIONED END OF THE LATTER FOR CO-OPERATION WITH THE SWASH PLATE, A VALVE PLATE NON-ROTATABLY MOUNTED WITHIN THE CASING BETWEEN THE FIRST MENTIONED END THEREOF AND THE ADJACENT END OF THE BODY PART, AND PROVIDED AT OPPOSITE SIDES RESPECTIVELY OF THE AXIS OF THE BODY PART WITH A PAIR OF ARCUATE APERTURES WHICH COMMUNICATE RESPECTIVELY WITH THE FLUID INLET AND THE FLUID OUTLET, AND WHICH HAVE A COMMOM CENTRE OF CURVATURE COAXIAL WITH THE BODY PART SO
Claim 2
Independent Claim
171 words
A DEVICE OF THE KIND SPECIFIED, COMPRISING IN COMBINATION A CASING PROVIDED AT ONE END WITH A FLUID INLET AND A FLUID OUTLET, A ROTARY CYLINDRICAL BODY PART MOUNTED WITHIN THE CASING WITH ONE END ADJACENT THE SAID END OF THE CASING, AND PROVIDED WITH AT LEAST ONE CYLINDRICAL BORE WHICH EXTENDS LONGITUDINALLY THROUGH THE BODY PART IN SPACED RELATIONSHIP TO THE AXIS THEREOF, A SWASH PLATE MOUNTED WITHIN THE CASING ADJACENT THE OTHER END OF THE BODY PART, A PLUNGER SLIDABLY SUPPORTED WITHIN THE BORE IN THE BODY PART, AND EXTENDING FROM THE LAST-MENTIONED END OF THE LATTER FOR CO-OPERATION WITH THE SWASH PLATE, A VALVE PLATE NON-ROTATABLY MOUNTED WITHIN THE CASING BETWEEN THE FIRST MENTIONED END THEREOF AND THE ADJACENT END OF THE BODY PART, AND PROVIDED AT OPPOSITE SIDES RESPECTIVELY OF THE AXIS OF THE BODY PART WITH A PAIR OF ARCUATE APERTURES WHICH COMMUNICATE RESPECTIVELY WITH THE FLUID INLET AND THE FLUID OUTLET, AND WHICH HAVE A COMMOM CENTRE OF CURVATURE COAXIAL WITH THE BODY PART SO
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |