US3150673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal governors
Assignee: GE Healthcare UK Ltd
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Filing: 1961-07-25
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Granted: 1964-09-29
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Wood Robert Spurgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:19
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A CENTRIFUGAL GOVERNOR, COMPRISING A CONTROL ELEMENT, A GOVERNOR SHAFT, A PLANE CIRCULAR DIAPHRAGM OF RESILIENT MATERIAL MOUNTED ON THE GOVERNOR SHAFT FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO THE SURFACE OF THE DIAPHRAGM, SAID DIAPHRAGM BEING NEAR THE TWO ENDS OF ITS RADII, RESPECTIVELY MOUNTED ON THE GOVERNOR SHAFT AND CONNECTED TO THE CONTROL ELEMENT, AND A PLURALITY OF CENTRIFUGAL ELEMENTS SUPPORTED BY AND SECURED ON THE DIAPHRAGM BETWEEN THE RESPECTIVE AREAS OF CONNECTION THEREOF TO THE SHAFT AND CONTROL ELEMENT, SAID CENTRIFUGAL ELEMENTS BEING DISTRIBUTED ROUND THE AXIS OF ROTATION SO AS TO BE DYNAMICALLY BALANCED WITH RELATION THERETO, AND PROJECTING TO ONE SIDE OF THE DIAPHRAGM SO THAT UNDER CENTRIFUGAL ACTION THEY WILL EXERT UPON THE DIAPHRAGM COUPLES DEFLECTING IT AXIALLY OF THE GOVERNOR SHAFT AGAINST THE RESILIENCE OF THE DIAPHRAGM, WHEREIN THE DIAPHRAGM IS PERFORATED BETWEEN THE CENTRIFUGAL ELEMENTS BY SLOTS ENDING SHORT OF THE INNER AND OUTER PERIPHERIES OF THE DIAPHRAGM IN SUCH MANNER THAT THESE ELEMENTS ARE EACH SUPPORTED BY A SPOKE-LIKE ARM WHICH IS INCLINED TO THE RADIAL DIRECTION IN THE PLANE OF THE DIAPHRAGM SO AS TO EXTEND TANGENTIALLY TO A CENTRAL PORTION OF THE DIAPHRAGM, THE GOVERNOR INCLUDING MEANS FOR EFFECTING MUTUAL ROTATION OF THE CONTROL ELEMENT AND GOVERNOR SHAFT PRODUCED BY DEFLECTION OF THE DIAPHRAGM.
Claim 2
Dependent Claim
215 words
A CENTRIFUGAL GOVERNOR, COMPRISING A CONTROL ELEMENT, A GOVERNOR SHAFT, A PLANE CIRCULAR DIAPHRAGM OF RESILIENT MATERIAL MOUNTED ON THE GOVERNOR SHAFT FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO THE SURFACE OF THE DIAPHRAGM, SAID DIAPHRAGM BEING NEAR THE TWO ENDS OF ITS RADII, RESPECTIVELY MOUNTED ON THE GOVERNOR SHAFT AND CONNECTED TO THE CONTROL ELEMENT, AND A PLURALITY OF CENTRIFUGAL ELEMENTS SUPPORTED BY AND SECURED ON THE DIAPHRAGM BETWEEN THE RESPECTIVE AREAS OF CONNECTION THEREOF TO THE SHAFT AND CONTROL ELEMENT, SAID CENTRIFUGAL ELEMENTS BEING DISTRIBUTED ROUND THE AXIS OF ROTATION SO AS TO BE DYNAMICALLY BALANCED WITH RELATION THERETO, AND PROJECTING TO ONE SIDE OF THE DIAPHRAGM SO THAT UNDER CENTRIFUGAL ACTION THEY WILL EXERT UPON THE DIAPHRAGM COUPLES DEFLECTING IT AXIALLY OF THE GOVERNOR SHAFT AGAINST THE RESILIENCE OF THE DIAPHRAGM, WHEREIN THE DIAPHRAGM IS PERFORATED BETWEEN THE CENTRIFUGAL ELEMENTS BY SLOTS ENDING SHORT OF THE INNER AND OUTER PERIPHERIES OF THE DIAPHRAGM IN SUCH MANNER THAT THESE ELEMENTS ARE EACH SUPPORTED BY A SPOKE-LIKE ARM WHICH IS INCLINED TO THE RADIAL DIRECTION IN THE PLANE OF THE DIAPHRAGM SO AS TO EXTEND TANGENTIALLY TO A CENTRAL PORTION OF THE DIAPHRAGM, THE GOVERNOR INCLUDING MEANS FOR EFFECTING MUTUAL ROTATION OF THE CONTROL ELEMENT AND GOVERNOR SHAFT PRODUCED BY DEFLECTION OF THE DIAPHRAGM.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |