US3719352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertia responsive carburetor fuel flow control means
Assignee: Ford Motor Co
•
Filing: 1971-11-11
•
Granted: 1973-03-06
•
Expires: 1991-11-11
Abstract
Abstract AN INERTIA RESPONSIVE CARBURETOR FUEL FLOW CONTROL MEANS WHICH ACCOMMODATES FOR VARIATIONS IN FUEL LEVELS IN THE FUEL BOWL CAUSED PRIMARILY BY CENTRIFUGAL FORCES SET UP BY VEHICLE CORNERING. THE INVENTION IS USED WITH MULTI-BARREL CARBURETORS HAVING SEPARATE PASSAGES TO EACH BARREL FROM THE FUEL BOWL. AN INERTIA SENSING MEANS, EITHER IN THE FORM OF A SPRING BIASED WEIGHTED ARM OR A FUEL SURFACE ANGLE SENSOR, CONTROLS THE POSITIONS OF METERING RODS THAT COOPERATE WITH ORIFICES IN EACH PASSAGE TO MAINTAIN ESSENTIALLY IDENTICAL RATES OF FLOW THROUGH EACH PASSAGE WHEN THE PASSAGES EXPERIENCE DIFFERENT FUEL HEADS.
Inventors
- 👤 R Harrison
- 👤 T Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:25
CPC Classifications
F; F02; F02M; F02M5/00; F02M5/02; Y; Y10; Y10S; Y10S261/00; Y10S261/50; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0898; Y10T137/0923
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |