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US2711725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removal of carbon deposits in internal combustion engines
Assignee: Purolator Products Inc
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Filing: 1953-07-09
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Granted: 1955-06-28
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Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Julius P Kovacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:02
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
221 words
A CARBON REMOVING DEVICE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A RECEPTACLE FOR CARBON REMOVING FLUID, MECHANISM FOR DELIVERING DETERMINED AMOUNTS OF SAID FLUID FROM SAID CONTROLLED PORTS THROUGH WHICH MECHANISM HAVING VALVE CONTROLLED PORTS THROUGH WHICH SAID FLUID MUST PASS IN TRANSIT FROM THE RECEPTACLES TO THE ENGINE AND VALVE MEANS MOVABLE RELATIVE TO SAID PORTS FOR PERMITTING FLOW FLUID THROUGH SAID PORTS ONLY DURING MOVEMENT OF SAID VALVE MEANS, A SOLENOID, A SWITCH FOR RUNNING AND STOPPING THE ENGINE, A POWER SOURCE, AN ELECTRIC CIRCUIT INCLUDING SAID SWITCH, SAID POWER SOURCE AND SAID SOLENOID, SAID SOLENOID BEING ENERGIZED WHENEVER SAID SWITCH IS CLOSED DURING RUNNING OF THE ENGINE AND BEING DEENERGIZED WHENEVER SAID ENGINE IS STOPPED BY OPENING OF SAID SWITCH, AND MEANS CONTROLLED BY SAID SOLENOID AND CONNECTED TO SAID VALVE MEANS FOR EFFECTING MOVEMENT OF SAID VALVE MEANS BETWEEN SAID PORTS WHEREBY SAID FLUID WILL FLOW FROM THE RECEPTACLE AND THROUGH THE PORTS OF SAID MECHANISM AND TO SAID ENGINE ONLY DURING MOVEMENT OF SAID VALVE MEANS BETWEEN SAID PORTS OCCURING UPON OPENING OF SAID SWITCH, THEREBY PERMITTING DELIVERY OF A DETERMINED AMOUNT OF SAID FLUID FROM SAID RECEPTACLE TO SAID ENGINE FOR ACTION THEREIN WHILE SAID ENGINE IS STOPPED SO THAT SAID FLUID WILL ACT UPON CARBON DEPOSITS WITHIN THE ENGINE WHILE IT IS NOT RUNNING.
Claim 2
Dependent Claim
221 words
A CARBON REMOVING DEVICE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A RECEPTACLE FOR CARBON REMOVING FLUID, MECHANISM FOR DELIVERING DETERMINED AMOUNTS OF SAID FLUID FROM SAID CONTROLLED PORTS THROUGH WHICH MECHANISM HAVING VALVE CONTROLLED PORTS THROUGH WHICH SAID FLUID MUST PASS IN TRANSIT FROM THE RECEPTACLES TO THE ENGINE AND VALVE MEANS MOVABLE RELATIVE TO SAID PORTS FOR PERMITTING FLOW FLUID THROUGH SAID PORTS ONLY DURING MOVEMENT OF SAID VALVE MEANS, A SOLENOID, A SWITCH FOR RUNNING AND STOPPING THE ENGINE, A POWER SOURCE, AN ELECTRIC CIRCUIT INCLUDING SAID SWITCH, SAID POWER SOURCE AND SAID SOLENOID, SAID SOLENOID BEING ENERGIZED WHENEVER SAID SWITCH IS CLOSED DURING RUNNING OF THE ENGINE AND BEING DEENERGIZED WHENEVER SAID ENGINE IS STOPPED BY OPENING OF SAID SWITCH, AND MEANS CONTROLLED BY SAID SOLENOID AND CONNECTED TO SAID VALVE MEANS FOR EFFECTING MOVEMENT OF SAID VALVE MEANS BETWEEN SAID PORTS WHEREBY SAID FLUID WILL FLOW FROM THE RECEPTACLE AND THROUGH THE PORTS OF SAID MECHANISM AND TO SAID ENGINE ONLY DURING MOVEMENT OF SAID VALVE MEANS BETWEEN SAID PORTS OCCURING UPON OPENING OF SAID SWITCH, THEREBY PERMITTING DELIVERY OF A DETERMINED AMOUNT OF SAID FLUID FROM SAID RECEPTACLE TO SAID ENGINE FOR ACTION THEREIN WHILE SAID ENGINE IS STOPPED SO THAT SAID FLUID WILL ACT UPON CARBON DEPOSITS WITHIN THE ENGINE WHILE IT IS NOT RUNNING.
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) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |