US3254484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical resonance apparatus for increasing the power output of an internal combustion engine
Assignee: Individual
•
Filing: 1964-01-23
•
Granted: 1966-06-07
•
Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Kopper John Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:24
CPC Classifications
F; F02; F02M; F02M27/00; F02M27/08; F02B; F02B1/00; F02B25/00; F02B27/00; F02B27/001; F02B27/008; F02B27/02; F02B27/04; F02B27/06; F02B51/00; F02B51/06; F02B2700/00; F02B2700/02; F02B2700/03; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
APPARATUS FOR BENEFICIALLY AFFECTING THE PERFORMANCE OF AN INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT, COMPRISING AIR INTAKE MEANS FOR FORMING A CYLINDRICAL GAS COLUMN, SAID AIR INTAKE MEANS HAVING ONE END THEREOF CONNECTED TO SAID ENGINE, EXHAUST MEANS FOR FORMING ANOTHER CYLINDRICAL GAS COLUMN, SAID EXHAUST MEANS HAVING ONE END THEREOF CONNECTED TO SAID ENGINE, MEANS FOR VARYING THE ACOUSTICAL LENGTH OF AT LEAST ONE OF SAID GAS COLUMNS WHILE THE ENGINE IS RUNNING, TRANSDUCER MEANS OPERTIVELY CONNECTED ADJACENT ONE OF SAID ENDS FOR ISSUING SOUND PULSES, AND CONTROL MEANS CONNECTED TO SAID TRANSDUCER MANS FOR REGULATING THE FREQUENCY OF SAID PULSES IN ACCORDANCE WITH THE ROTARY SPEED OF SAID CRANKSHAFT.
Claim 2
Dependent Claim
111 words
APPARATUS FOR BENEFICIALLY AFFECTING THE PERFORMANCE OF AN INTERNAL COMBUSTION ENGINE HAVING A CRANKSHAFT, COMPRISING AIR INTAKE MEANS FOR FORMING A CYLINDRICAL GAS COLUMN, SAID AIR INTAKE MEANS HAVING ONE END THEREOF CONNECTED TO SAID ENGINE, EXHAUST MEANS FOR FORMING ANOTHER CYLINDRICAL GAS COLUMN, SAID EXHAUST MEANS HAVING ONE END THEREOF CONNECTED TO SAID ENGINE, MEANS FOR VARYING THE ACOUSTICAL LENGTH OF AT LEAST ONE OF SAID GAS COLUMNS WHILE THE ENGINE IS RUNNING, TRANSDUCER MEANS OPERTIVELY CONNECTED ADJACENT ONE OF SAID ENDS FOR ISSUING SOUND PULSES, AND CONTROL MEANS CONNECTED TO SAID TRANSDUCER MANS FOR REGULATING THE FREQUENCY OF SAID PULSES IN ACCORDANCE WITH THE ROTARY SPEED OF SAID CRANKSHAFT.
References Cited (Backward Citations)
US1384414A
Cited
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Cited
US2102559A
Cited
GB442940A
Cited
US2305946A
Cited
GB537040A
Cited
US2835235A
Cited
US2894497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |