US3146844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine idle speed control
Assignee: ACF Industries Inc
•
Filing: 1962-05-17
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Granted: 1964-09-01
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Harold A Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN AN AUTOMOTIVE VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE, A STEERING WHEEL, MEANS POWERED FROM THE ENGINE FOR ASSISTING THE TURNING OF THE WHEEL, A CARBURETOR FOR THE ENGINE HAVING A MIXTURE CONDUIT, A THROTTLE IN THE MIXTURE CONDUIT, AND AN IDLE SYSTEM FORMED IN SAID CARBURETOR, SAID CARBURETOR HAVING A SUPPLEMENTARY IDLING AIR BY-PASS AROUND THE THROTTLE AND SEPARATE FROM SAID IDLE SYSTEM, THE ENDS OF THE BY-PASS BEING IN COMMUNICATION WITH THE MIXTURE CONDUIT, AND AN AIR BY-PASS VALVE NORMALLY CLOSING THE BY-PASS, SAID BY-PASS BEING IN COMMUNICATION WITH THE IDLE SYSTEM UPSTREAM FROM SAID VALVE, AND MEANS FOR OPENING SAID VALVE IN RESPONSE TO TURNING OF SAID WHEEL ONE WAY OR THE OTHER.
Claim 2
Dependent Claim
116 words
IN AN AUTOMOTIVE VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE, A STEERING WHEEL, MEANS POWERED FROM THE ENGINE FOR ASSISTING THE TURNING OF THE WHEEL, A CARBURETOR FOR THE ENGINE HAVING A MIXTURE CONDUIT, A THROTTLE IN THE MIXTURE CONDUIT, AND AN IDLE SYSTEM FORMED IN SAID CARBURETOR, SAID CARBURETOR HAVING A SUPPLEMENTARY IDLING AIR BY-PASS AROUND THE THROTTLE AND SEPARATE FROM SAID IDLE SYSTEM, THE ENDS OF THE BY-PASS BEING IN COMMUNICATION WITH THE MIXTURE CONDUIT, AND AN AIR BY-PASS VALVE NORMALLY CLOSING THE BY-PASS, SAID BY-PASS BEING IN COMMUNICATION WITH THE IDLE SYSTEM UPSTREAM FROM SAID VALVE, AND MEANS FOR OPENING SAID VALVE IN RESPONSE TO TURNING OF SAID WHEEL ONE WAY OR THE OTHER.
References Cited (Backward Citations)
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |