Patent US3179098A successfully refreshed from Google Patents.
US3179098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: ACF Industries Inc
•
Filing: 1963-09-11
•
Granted: 1965-04-20
•
Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Wenford E Highley
- 👤 Edward R Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:00
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10; F02M1/12; F02M17/00; F02M17/44; F02M17/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A BODY FORMED WITH A MIXTURE CONDUIT, CHOKE MEANS INCLUDING A CHOKE VALVE MOUNTED WITHIN SAID MIXTURE CONDUIT AND MOVABLE FROM A POSITION CLOSING TO A POSITION OPENING SAID MIXTURE CONDUIT, THERMALLY RESPONSIVE MEANS ADAPTED FOR OPERATIVE CONTACT WITH SAID CHOKE MEANS FOR BIASING SAID CHOKE VALVE TO SAID CLOSED POSITION WHEN SAID ENGINE IS COLD, MEANS WITHIN SAID CHAMBER FOR HEATING SAID THERMALLY RESPONSIVE MEANS, A CYLINDER, A CHOKE PISTON WITHIN SAID CYLINDER, SAID PISTON BEING OPERATIVELY CONNECTED TO SAID CHOKE MEANS TO IMPART ROTARY MOVEMENT TO SAID CHOKE VALVE, MEANS COMMUNICATING SAID CYLINDER WITH A SOURCE OF SUBATMOSPHERIC PRESSURE FOR INDUCTING MOVEMENT OF SAID PISTON WITHIN SAID CYLINDER, AND PISTON, UPON MOVING TO A PREDETERMINED INTERMEDIATE POSITION WITHIN SAID CYLINDER, BLOCKING SAID COMMUNICATING MEANS AND RENDERING SAID SUBATMOSPHERIC PRESSURE INEFFECTIVE, WHEREBY SAID CHOKE VALE IS MOVED FROM SAID CLOSED POSITION TO A PREDETERMINED INTERMEDIATE POSITION UPON COMMUNICATION OF SAID CYLINDER WITH SAID SOURCE OF SUBATMOSPHERIC PRESSURE.
Claim 2
Dependent Claim
166 words
A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A BODY FORMED WITH A MIXTURE CONDUIT, CHOKE MEANS INCLUDING A CHOKE VALVE MOUNTED WITHIN SAID MIXTURE CONDUIT AND MOVABLE FROM A POSITION CLOSING TO A POSITION OPENING SAID MIXTURE CONDUIT, THERMALLY RESPONSIVE MEANS ADAPTED FOR OPERATIVE CONTACT WITH SAID CHOKE MEANS FOR BIASING SAID CHOKE VALVE TO SAID CLOSED POSITION WHEN SAID ENGINE IS COLD, MEANS WITHIN SAID CHAMBER FOR HEATING SAID THERMALLY RESPONSIVE MEANS, A CYLINDER, A CHOKE PISTON WITHIN SAID CYLINDER, SAID PISTON BEING OPERATIVELY CONNECTED TO SAID CHOKE MEANS TO IMPART ROTARY MOVEMENT TO SAID CHOKE VALVE, MEANS COMMUNICATING SAID CYLINDER WITH A SOURCE OF SUBATMOSPHERIC PRESSURE FOR INDUCTING MOVEMENT OF SAID PISTON WITHIN SAID CYLINDER, AND PISTON, UPON MOVING TO A PREDETERMINED INTERMEDIATE POSITION WITHIN SAID CYLINDER, BLOCKING SAID COMMUNICATING MEANS AND RENDERING SAID SUBATMOSPHERIC PRESSURE INEFFECTIVE, WHEREBY SAID CHOKE VALE IS MOVED FROM SAID CLOSED POSITION TO A PREDETERMINED INTERMEDIATE POSITION UPON COMMUNICATION OF SAID CYLINDER WITH SAID SOURCE OF SUBATMOSPHERIC PRESSURE.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |