US3352245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: Allis Chalmers Corp
•
Filing: 1965-12-09
•
Granted: 1967-11-14
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 George D Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:31
CPC Classifications
F; F02; F02M; F02M53/00; F02M53/04; F02M57/00; F02M57/02; F02M2200/00; F02M2200/24; F02M2700/00; F02M2700/07; F02M2700/077; F02M2700/078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A FUEL INJECTION SYSTEM FOR A MULTICYLINDER ENGINE COMPRISING: A DISTRIBUTOR TYPE FUEL INJECTION PUMP HAVING A SUPPLY CHAMBER, A HIGH PRESSURE CHAMBER, A BORE OPENING INTO SAID HIGH PRESSURE CHAMBER, A PLURALITY OF DELIVERY PASSAGES, A RECIPROCATING PLUNGER IN SAID BORE FOR CYCLICALLY PRESSURIZING FUEL IN SAID HIGH PRESSURE CHAMBER, AND MEANS CYCLICALLY CONNECTING SAID DELIVERY PASSAGES ONE AT A TIME TO SAID HIGH PRESSURE CHAMBER AND CONNECTING SAID DELIVERY PASSAGES TO SAID SUPPLY CHAMBER WHEN THE LATTER ARE NOT CONNECTED TO SAID HIGH PRESSURE CHAMBER, A FUEL INJECTION NOZZLE FOR EACH ENGINE CYLINDER, EACH NOZZLE HAVING A BODY WITH A PRESSURE CAVITY, A PRESSURE RESPONSIVE VALVE FOR DELIVERING FUEL FROM SAID PRESSURE CAVITY TO AN ENGINE CYLINDER ASSOCIATED WITH SAID NOZZLE, FIRST AND SECOND BRANCH PASSAGEWAYS IN SAID BODY CONNECTED TO AND EXTENDING FROM SAID CAVITY, AND
Claim 2
Dependent Claim
139 words
A FUEL INJECTION SYSTEM FOR A MULTICYLINDER ENGINE COMPRISING: A DISTRIBUTOR TYPE FUEL INJECTION PUMP HAVING A SUPPLY CHAMBER, A HIGH PRESSURE CHAMBER, A BORE OPENING INTO SAID HIGH PRESSURE CHAMBER, A PLURALITY OF DELIVERY PASSAGES, A RECIPROCATING PLUNGER IN SAID BORE FOR CYCLICALLY PRESSURIZING FUEL IN SAID HIGH PRESSURE CHAMBER, AND MEANS CYCLICALLY CONNECTING SAID DELIVERY PASSAGES ONE AT A TIME TO SAID HIGH PRESSURE CHAMBER AND CONNECTING SAID DELIVERY PASSAGES TO SAID SUPPLY CHAMBER WHEN THE LATTER ARE NOT CONNECTED TO SAID HIGH PRESSURE CHAMBER, A FUEL INJECTION NOZZLE FOR EACH ENGINE CYLINDER, EACH NOZZLE HAVING A BODY WITH A PRESSURE CAVITY, A PRESSURE RESPONSIVE VALVE FOR DELIVERING FUEL FROM SAID PRESSURE CAVITY TO AN ENGINE CYLINDER ASSOCIATED WITH SAID NOZZLE, FIRST AND SECOND BRANCH PASSAGEWAYS IN SAID BODY CONNECTED TO AND EXTENDING FROM SAID CAVITY, AND
References Cited (Backward Citations)
US1875457A
Cited
US2108647A
Cited
US2279010A
Cited
US2378165A
Cited
US2969784A
Cited
US3075707A
Cited
US3212449A
Cited
US3320892A
Cited
US3307491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |