US3194613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic air bearing for supporting a hydrostatic motor
Assignee: Bendix Corp
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Filing: 1963-02-18
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Granted: 1965-07-13
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Pierry
- 👤 Howard E Schulien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:15
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/20; F16C2370/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE COMBINATION COMPRISING A SLEEVE, A CYLINDER PIVOTALLY MOUNTED WITHIN THE SLEEVE IN SPACED RELATION THERETO, PORT MEANS FOR SUPPLYING AIR UNDER PRESSURE TO THE SPACE BETWEEN THE CYLINDER AND THE SLEEVE TO FORM A FIRST FILM OF AIR FOR BEARING THE CYLINDER IN SAID SLEEVE, A HOLLOW SHAFT HAVING AN OUTER SURFACE, SAID SHAFT BEING POSITIONED WITHIN AND SUPPORTED BY SAID CYLINDER, A ROTOR FORMED WITH AN INNER SURFACE POSITIONED CONCENTRICALLY WITH THE OUTER SURFACE OF AID SHAFT AND IN SPACED RELATION THERETO, PORT MEANS IN THE CYLINDER FOR COMMUNICATING THE SPACE BETWEEN THE CYLINDER AND SLEEVE WITH THE INTERIOR OF THE HOLLOW SHAFT FOR INTRODUCING AIR UNDER PRESSURE INTO THE HOLLOW SHAFT, PORT MEANS OPENING FROM THE HOLLOW SHAFT FOR DIRECTING AIR UNDER PRESSURE FROM THE HOLLOWO SHAFT INTO THE SPACE BETWEEN THE INNER SURFACE OF THE ROTOR AND THE HOLLOW SHAFT SO AS TO FORM A SECOND AIR BEARING FILM BETWEEN THE ROTOR AND THE SHAFT.
Claim 2
Dependent Claim
159 words
THE COMBINATION COMPRISING A SLEEVE, A CYLINDER PIVOTALLY MOUNTED WITHIN THE SLEEVE IN SPACED RELATION THERETO, PORT MEANS FOR SUPPLYING AIR UNDER PRESSURE TO THE SPACE BETWEEN THE CYLINDER AND THE SLEEVE TO FORM A FIRST FILM OF AIR FOR BEARING THE CYLINDER IN SAID SLEEVE, A HOLLOW SHAFT HAVING AN OUTER SURFACE, SAID SHAFT BEING POSITIONED WITHIN AND SUPPORTED BY SAID CYLINDER, A ROTOR FORMED WITH AN INNER SURFACE POSITIONED CONCENTRICALLY WITH THE OUTER SURFACE OF AID SHAFT AND IN SPACED RELATION THERETO, PORT MEANS IN THE CYLINDER FOR COMMUNICATING THE SPACE BETWEEN THE CYLINDER AND SLEEVE WITH THE INTERIOR OF THE HOLLOW SHAFT FOR INTRODUCING AIR UNDER PRESSURE INTO THE HOLLOW SHAFT, PORT MEANS OPENING FROM THE HOLLOW SHAFT FOR DIRECTING AIR UNDER PRESSURE FROM THE HOLLOWO SHAFT INTO THE SPACE BETWEEN THE INNER SURFACE OF THE ROTOR AND THE HOLLOW SHAFT SO AS TO FORM A SECOND AIR BEARING FILM BETWEEN THE ROTOR AND THE SHAFT.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |