Patent US3177735A successfully refreshed from Google Patents.
US3177735A
Expired / Lapsed
US
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Rotary regenerator driving structure
Assignee: Old Carco LLC
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Filing: 1961-02-13
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Granted: 1965-04-13
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Chute Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:36
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/048; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/1987; Y10T74/19893; Y10T74/19921; Y10T74/19926; Y10T74/1993
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A MEANS FOR DRIVING A ROTARY REGENERATOR FOR A GAS TURBINE ENGINE, A RIM FOR A REGENERATOR HAVING A GROOVE EXTENDING CIRCUMFERENTIALLY THEREIN AND OPENING RADIALLY OUTWARD, A RING GEAR EXTENDING COAXIALLY AROUND SAID RIM AND SPACED RADIALLY THEREFROM TO ACCOMMODATE RELATIVE TORSIONAL MOVEMENT OF SAID RIM WITH RESPECT TO SAID GEAR, MEANS SUPPORTING SAID GEAR ON SAID RIM FOR ROTATION THEREWITH AND SPACING SAID GEAR RADIALLY FROM SAID RIM INCLUDING A CIRCUMFERENTIAL BEAD CARRIED BY THE INNER CIRCUMFERENCE OF SAID GEAR AND EXTENDING RADIALLY INWARDLY THEREFROM INTO SAID GROOVE SUFFICIENTLY FREELY TO ACCOMMODATE SAID TORSIONAL MOVEMENT, AND A POWER DRIVEN GEAR IN MESH WITH SAID RING GEAR TO DRIVE THE SAME.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |