US3091230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel pumps for internal combustion engines
Assignee: CAV Ltd
•
Filing: 1961-05-04
•
Granted: 1963-05-28
•
Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Evans Fraser Mackie
- 👤 Kemp Kenneth Albert Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:10
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A LIQUID FUEL PUMP OF THE KIND SPECIFIED FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION ENGINE, AND COMPRISING IN COMBINATION A ROTARY CYLINDRICAL DISTRIBUTOR PROVIDED WITH AN AXIAL PASSAGE AND WITH FUEL INLET AND OUTLET PASSAGES EXTENDING OUTWARDLY FROM THE AXIAL PASSAGE, A HEAD WHICH IS PROVIDED ON ONE END OF SAID DISTRIBUTOR SO AS TO BE ROTATABLE THEREWITH, AND WHICH HAS A TRANSVERSE BORE IN CONSTANT COMMUNICATION WITH THE AXIAL PASSAGE IN SAID DISTRIBUTOR, AT LEAST ONE PLUNGER MOUNTED IN THE TRANSVERSE BORE IN SAID HEAD, AN ANNULAR CAM WHICH SURROUNDS SAID HEAD, AND THROUGH THE MEDIUM OF WHICH SAID PLUNGER IS MOVABLE INWARDLY DURING ROTATION OF SAID DISTRIBUTOR, AT LEAST ONE SUBSIDIARY CAM RING WHICH ALSO SURROUNDS SAID HEAD, AND HAS AN INNER PERIPHERAL CAM SURFACE THROUGH THE MEDIUM OF WHICH THE OUTWARD MOVEMENT OF SAID PLUNGER IS LIMITED, AND MOVABLE MEANS EN-
Claim 2
Dependent Claim
145 words
A LIQUID FUEL PUMP OF THE KIND SPECIFIED FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION ENGINE, AND COMPRISING IN COMBINATION A ROTARY CYLINDRICAL DISTRIBUTOR PROVIDED WITH AN AXIAL PASSAGE AND WITH FUEL INLET AND OUTLET PASSAGES EXTENDING OUTWARDLY FROM THE AXIAL PASSAGE, A HEAD WHICH IS PROVIDED ON ONE END OF SAID DISTRIBUTOR SO AS TO BE ROTATABLE THEREWITH, AND WHICH HAS A TRANSVERSE BORE IN CONSTANT COMMUNICATION WITH THE AXIAL PASSAGE IN SAID DISTRIBUTOR, AT LEAST ONE PLUNGER MOUNTED IN THE TRANSVERSE BORE IN SAID HEAD, AN ANNULAR CAM WHICH SURROUNDS SAID HEAD, AND THROUGH THE MEDIUM OF WHICH SAID PLUNGER IS MOVABLE INWARDLY DURING ROTATION OF SAID DISTRIBUTOR, AT LEAST ONE SUBSIDIARY CAM RING WHICH ALSO SURROUNDS SAID HEAD, AND HAS AN INNER PERIPHERAL CAM SURFACE THROUGH THE MEDIUM OF WHICH THE OUTWARD MOVEMENT OF SAID PLUNGER IS LIMITED, AND MOVABLE MEANS EN-
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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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |