US3362452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft tire inflation-deflation system
Assignee: Bendix Corp
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Filing: 1966-07-27
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Granted: 1968-01-09
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Expires: 1986-07-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Harnish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:38
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/34; B64C25/36; B60; B60C; B60C23/00; B60C23/001; B60C23/003; B60C23/00309; B60C23/00318; B60C23/00345; B60C23/00354; B60C23/00363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN AN AIRCRAFT HAVING A FIXED MEMBER, WHEEL ROTATABLY MOUNTED ON SAID MEMBER, SAID WHEEL FORMING A CAVITY WITH SAID MEMBER, A TIRE MOUNTED ON SAID WHEEL, AND A PNEUMATIC PRESSURE SOURCE, A TIRE INFLATION-DEFLATION SYSTEM COMPRISING ANNULAR STATIC SEALING MEANS MOUNTED ON SAID FIXED MEMBER AND LOCATED IN SAID CAVITY FOR DIVIDING SAID CAVITY INTO A STEEL CHAMBER FORMED INSIDE OF SAID SEALING MEANS AND A WHEEL CHAMBER FORMED OUTSIDE OF SAID SEALING, FIRST PASSAGE MEANS LOCATED IN SAID FIXED MEMBER FOR COMMUNICATING SAID SEAL CHAMBER WITH SAID PRESSURE SOURCE, SAID SEALING MEANS BEING CAUSED UPON PRESSURIZATION OF SAID SEAL CHAMBER TO EXPAND INTO SEALING ENGAGEMENT WITH SAID WHEEL TO THEREBY SEAL SAID WHEEL CHAMBER AND PREVENT LEAKAGE BETWEN SAID FIXED MEMBER AND SAID WHEEL, FIRST VALVE MEANS OPERATIVELY CONNECTED TO SAID SEALING MEANS FOR PERMITTING FLOW OF COMPRESSED GAS BETWEEN SAID CHAMBERS, SECOND PASSAGE MEANS LOCATED IN SAID WHEEL FOR COMMUNICATING SAID WHEEL CHAMBER WITH SAID TIRE, AND SECOND VALVE MEANS INTERPOSED IN SAID SECOND PASSAGE MEANS FOR PERMITTING FLOW OF COMPRESSED GAS INTO AND OUT OF SAID TIRE.
Claim 2
Dependent Claim
181 words
IN AN AIRCRAFT HAVING A FIXED MEMBER, WHEEL ROTATABLY MOUNTED ON SAID MEMBER, SAID WHEEL FORMING A CAVITY WITH SAID MEMBER, A TIRE MOUNTED ON SAID WHEEL, AND A PNEUMATIC PRESSURE SOURCE, A TIRE INFLATION-DEFLATION SYSTEM COMPRISING ANNULAR STATIC SEALING MEANS MOUNTED ON SAID FIXED MEMBER AND LOCATED IN SAID CAVITY FOR DIVIDING SAID CAVITY INTO A STEEL CHAMBER FORMED INSIDE OF SAID SEALING MEANS AND A WHEEL CHAMBER FORMED OUTSIDE OF SAID SEALING, FIRST PASSAGE MEANS LOCATED IN SAID FIXED MEMBER FOR COMMUNICATING SAID SEAL CHAMBER WITH SAID PRESSURE SOURCE, SAID SEALING MEANS BEING CAUSED UPON PRESSURIZATION OF SAID SEAL CHAMBER TO EXPAND INTO SEALING ENGAGEMENT WITH SAID WHEEL TO THEREBY SEAL SAID WHEEL CHAMBER AND PREVENT LEAKAGE BETWEN SAID FIXED MEMBER AND SAID WHEEL, FIRST VALVE MEANS OPERATIVELY CONNECTED TO SAID SEALING MEANS FOR PERMITTING FLOW OF COMPRESSED GAS BETWEEN SAID CHAMBERS, SECOND PASSAGE MEANS LOCATED IN SAID WHEEL FOR COMMUNICATING SAID WHEEL CHAMBER WITH SAID TIRE, AND SECOND VALVE MEANS INTERPOSED IN SAID SECOND PASSAGE MEANS FOR PERMITTING FLOW OF COMPRESSED GAS INTO AND OUT OF SAID TIRE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |