US3116785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary regenerator seals
Assignee: Motors Liquidation Co
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Filing: 1960-09-29
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Granted: 1964-01-07
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 William C Bubniak
- 👤 John S Collman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:11
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/08; F02C7/10; F02C7/105; F01; F01D; F01D11/00; F01D11/003; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02; Y10S165/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A REGENERATIVE HEAT EXCHANGER COMPRISING, IN COMBINATION, A HOUSING, AN ANNULAR PERVIOUS MATRIX ROTATABLE IN THE HOUSING ABOUT AN AXIS AND INCLUDING MEANS DEFINING A RIM OF THE MATRIX, THE RIM HAVING A SURFACE RADIAL TO THE SAID AXIS, AND AN ARCUATE RIM SEAL COOPERATING WITH THE SAID SURFACE TO PREVENT BYPASSING OF THE MATRIX, THE RIM SEAL COMPRISING AN ARCUATE SUPPORT MOUNTED ON THE HOUSING, THE SUPPORT HAVING ONE PERIPHERAL SURFACE BOUNDED BY A SUCCESSION OF FLAT FACES EACH AT AN ACUTE ANGLE TO THE FACES NEXT THERETO, THE FACES BEING JOINED BY GENERALLY RADIAL ABUTMENTS, A GENERALLY RECTANGULAR SEAL BLOCK EXTENDING ACROSS EACH FACE, RESTING UPON THE SAID FACE, ENGAGING THE SAID RIM SURFACE, ENGAGING AN ABUTMENT AT THE END OF THE FACE, AND PROJECTING BEYOND THE OTHER END OF THE FACE, THE ENDS OF MUTUALLY ADJACENT SEAL
Claim 2
Dependent Claim
140 words
A REGENERATIVE HEAT EXCHANGER COMPRISING, IN COMBINATION, A HOUSING, AN ANNULAR PERVIOUS MATRIX ROTATABLE IN THE HOUSING ABOUT AN AXIS AND INCLUDING MEANS DEFINING A RIM OF THE MATRIX, THE RIM HAVING A SURFACE RADIAL TO THE SAID AXIS, AND AN ARCUATE RIM SEAL COOPERATING WITH THE SAID SURFACE TO PREVENT BYPASSING OF THE MATRIX, THE RIM SEAL COMPRISING AN ARCUATE SUPPORT MOUNTED ON THE HOUSING, THE SUPPORT HAVING ONE PERIPHERAL SURFACE BOUNDED BY A SUCCESSION OF FLAT FACES EACH AT AN ACUTE ANGLE TO THE FACES NEXT THERETO, THE FACES BEING JOINED BY GENERALLY RADIAL ABUTMENTS, A GENERALLY RECTANGULAR SEAL BLOCK EXTENDING ACROSS EACH FACE, RESTING UPON THE SAID FACE, ENGAGING THE SAID RIM SURFACE, ENGAGING AN ABUTMENT AT THE END OF THE FACE, AND PROJECTING BEYOND THE OTHER END OF THE FACE, THE ENDS OF MUTUALLY ADJACENT SEAL
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |