US3313283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel ratio control override
Assignee: Caterpillar Inc
•
Filing: 1965-06-04
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Granted: 1967-04-11
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Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:15
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; F02D1/06; F02D1/065; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0238; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0292; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN COMBINATION WITH AN ENGINE GOVERNOR FOR CONTROLLING FLOW OF FUEL TO AN INTERNAL COMBUSTION ENGINE AND HAVING A FUEL TO AIR RATIO CONTROL WHICH COMPRISES A SPRING TENDING TO PREVENT AN INCREASE IN FUEL AND MEANS TO DISABLE THE SPRING WITH PRESSURE FROM THE ENGINE AIR SUPPLY WHEN THE PRESSURE ATTAINS A SUFFICIENTLY HIGH VALUE, MANUALLY ACTUATED MEANS TO DISABLE SAID SPRING WHEN THE ENGINE IS SHUT DOWN TO ENABLE STARTING OF THE ENGINE WITH LOW PRESSURE AIR SUPPLY, THE IMPROVEMENT WHICH COMPRISES MEANS TO HOLD SAID MANUAL MEANS IN ITS ACTUATED CONDITION BY FRICTION, A SPRING URGING IT TOWARD DISENGAGEMENT, AND MEANS ACTUATED BY THE BUILDING UP OF AIR SUPPLY PRESSURE TO EFFECT DISENGAGEMENT.
Claim 2
Dependent Claim
116 words
IN COMBINATION WITH AN ENGINE GOVERNOR FOR CONTROLLING FLOW OF FUEL TO AN INTERNAL COMBUSTION ENGINE AND HAVING A FUEL TO AIR RATIO CONTROL WHICH COMPRISES A SPRING TENDING TO PREVENT AN INCREASE IN FUEL AND MEANS TO DISABLE THE SPRING WITH PRESSURE FROM THE ENGINE AIR SUPPLY WHEN THE PRESSURE ATTAINS A SUFFICIENTLY HIGH VALUE, MANUALLY ACTUATED MEANS TO DISABLE SAID SPRING WHEN THE ENGINE IS SHUT DOWN TO ENABLE STARTING OF THE ENGINE WITH LOW PRESSURE AIR SUPPLY, THE IMPROVEMENT WHICH COMPRISES MEANS TO HOLD SAID MANUAL MEANS IN ITS ACTUATED CONDITION BY FRICTION, A SPRING URGING IT TOWARD DISENGAGEMENT, AND MEANS ACTUATED BY THE BUILDING UP OF AIR SUPPLY PRESSURE TO EFFECT DISENGAGEMENT.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |