US3311162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerator seal with cross arm
Assignee: Old Carco LLC
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Filing: 1963-10-07
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Granted: 1967-03-28
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 William I Chapman
- 👤 James H Whitfield
- 👤 Clinton P Atwood
- 👤 Jr William A Ziemke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:23
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/047; F02; F02C; F02C7/00; F02C7/08; F02C7/10; F02C7/105; F16; F16J; F16J15/00; F16J15/16; F16J15/34; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02; Y10S165/021; Y10S165/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A SEAL FOR THE REGENERATOR OF A GAS TURBINE ENGINE, RUBBING MEANS HAVING AN INNER SEALING SURFACE ADAPTED TO ENGAGE A MATING SURFACE OF SAID REGENERATOR TO DEFINE A SEAL BETWEEN HIGH AND LOW PRESSURE GASES, BASE MEANS CONFRONTING AN OUTER SIDE OF SAID RUBBING MEANS OPPOSITE SAID SEALING SURFACE AND BEING MOVABLE TOWARD AND FROM THE SAME, DIAPHRAGM SEALING MEANS INTERPOSED BETWEEN SAID BASE MEANS AND RUBBING MEANS AND ENGAGING SAID RUBBING MEANS IN FLUID SEALING RELATIONSHIP, SAID SEALING MEANS EXTENDING FROM SAID RUBBING MEANS IN THE DIRECTION TOWARD THE LOW PRESSURE GASES, BRIDGE MEANS HAVING ONE EDGE PIVOTALLY ENGAGING SAID RUBBING MEANS AT A LOCATION OVERLAPPED BY SAID SEALING MEANS, SAID BRIDGE MEANS EXTENDING IN JUXTAPOSITION WITH SAID SEALING MEANS FROM SAID ONE EDGE TO A SWINGING EDGE TO COMPRISE A BACKING FOR SAID SEALING MEANS, SAID SEALING MEANS HAVING A PORTION WELDED TO SAID BASE MEANS TO EFFECT A FLUID TIGHT SEAM EXTENDING LONGITUDINALLY OF SAID SEAL, THE LATTER PORTIONS AND
Claim 2
Dependent Claim
165 words
IN A SEAL FOR THE REGENERATOR OF A GAS TURBINE ENGINE, RUBBING MEANS HAVING AN INNER SEALING SURFACE ADAPTED TO ENGAGE A MATING SURFACE OF SAID REGENERATOR TO DEFINE A SEAL BETWEEN HIGH AND LOW PRESSURE GASES, BASE MEANS CONFRONTING AN OUTER SIDE OF SAID RUBBING MEANS OPPOSITE SAID SEALING SURFACE AND BEING MOVABLE TOWARD AND FROM THE SAME, DIAPHRAGM SEALING MEANS INTERPOSED BETWEEN SAID BASE MEANS AND RUBBING MEANS AND ENGAGING SAID RUBBING MEANS IN FLUID SEALING RELATIONSHIP, SAID SEALING MEANS EXTENDING FROM SAID RUBBING MEANS IN THE DIRECTION TOWARD THE LOW PRESSURE GASES, BRIDGE MEANS HAVING ONE EDGE PIVOTALLY ENGAGING SAID RUBBING MEANS AT A LOCATION OVERLAPPED BY SAID SEALING MEANS, SAID BRIDGE MEANS EXTENDING IN JUXTAPOSITION WITH SAID SEALING MEANS FROM SAID ONE EDGE TO A SWINGING EDGE TO COMPRISE A BACKING FOR SAID SEALING MEANS, SAID SEALING MEANS HAVING A PORTION WELDED TO SAID BASE MEANS TO EFFECT A FLUID TIGHT SEAM EXTENDING LONGITUDINALLY OF SAID SEAL, THE LATTER PORTIONS AND
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |