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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
•
Filing: 1953-07-09
•
Granted: 1955-06-28
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Expires: 1973-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Julius P Kovacs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:02
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)

US2022725A Cited
US2194007A Cited
US2277749A Cited
US2428915A Cited
GB609163A Cited

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

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