US3116596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flywheel air pump
Assignee: Universal Oil Products Co
•
Filing: 1961-05-25
•
Granted: 1964-01-07
•
Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles F Boehme
- 👤 Robert J Voris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:29
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N3/206; F01N3/24; F01N3/30; F01N2610/00; F01N2610/03; F01N2610/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN AN INTERNAL COMBUSTION ENGING HAVING AN EXHAUST LINE, AND EXHAUST GAS COVERTER IN THE EXHAUST LINE, A FLYWHEEL HOUSING AND A VANELESS FLYWHEEL WITH THE HOUSING AND DRIVEN BY THE ENGINE; THE COMBINATION OF AN ASPIRATOR IN SAID EXHAUST LINE BETWEEN THE ENGINE AND SAID CONVERTER, SAID ASPIRATOR HAVING AN AIR INLET PORT AND AN OVERSIZED EXHAUST GAS NOZZLE WHEREBY AT ENGINE IDLING SPEED, IF SAID INLET PORT COMMUNICATED DIRECTLY WITH THE ATMOSPHERE, THE AMOUNT OF AIR ASPIRATED INTO THE EXHAUST GAS EMANATING FROM THE ENGINE WOULD BE INSUFFICIENT FOR MAXIMUM EXHAUST GAS CONVERSION BY SAID CONVERTER; A RADIAL FLOW FAN COMPRISING SAID VANELESS FLYWHEEL AND HOUSING; MEANS FOR INTRODUCING ATMOSPHERIC AIR INTO SAID HOUSING AT A POINT BETWEEN THE PERIPHERY AND THE AXIS OF
Claim 2
Dependent Claim
126 words
IN AN INTERNAL COMBUSTION ENGING HAVING AN EXHAUST LINE, AND EXHAUST GAS COVERTER IN THE EXHAUST LINE, A FLYWHEEL HOUSING AND A VANELESS FLYWHEEL WITH THE HOUSING AND DRIVEN BY THE ENGINE; THE COMBINATION OF AN ASPIRATOR IN SAID EXHAUST LINE BETWEEN THE ENGINE AND SAID CONVERTER, SAID ASPIRATOR HAVING AN AIR INLET PORT AND AN OVERSIZED EXHAUST GAS NOZZLE WHEREBY AT ENGINE IDLING SPEED, IF SAID INLET PORT COMMUNICATED DIRECTLY WITH THE ATMOSPHERE, THE AMOUNT OF AIR ASPIRATED INTO THE EXHAUST GAS EMANATING FROM THE ENGINE WOULD BE INSUFFICIENT FOR MAXIMUM EXHAUST GAS CONVERSION BY SAID CONVERTER; A RADIAL FLOW FAN COMPRISING SAID VANELESS FLYWHEEL AND HOUSING; MEANS FOR INTRODUCING ATMOSPHERIC AIR INTO SAID HOUSING AT A POINT BETWEEN THE PERIPHERY AND THE AXIS OF
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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 |