← Back to Patent Explorer
US3071803A Expired / Lapsed US ⏱️ 0.0 years remaining

Interlocked system for pelleting and pellet drying operations

Assignee: Phillips Petroleum Co
•
Filing: 1960-06-27
•
Granted: 1963-01-08
•
Expires: 1980-06-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Oliver K Austin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:26
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/12; C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/50

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 189 words
PELLETING APPARATUS COMPRISING A MIXING CONVEYOR DRIVEN BY A FIRST MOTOR; A FIRST CONVEYOR MEANS DRIVEN BY A SECOND MOTOR TO DELIVER MATERIAL TO BE PELLETED TO SAID MIXING CONVEYOR; MEANS HAVING A FIRST CONTROL VALVE THEREIN TO INTRODUCE A PELLETING LIQUID INTO SAID MIXING CONVEYOR; A ROTARY DRYER DRIVEN BY A THIRD MOTOR; A FIREBOX IN HEATING RELATIONSHIP WITH SAID DRYER; MEANS HAVING A SECOND CONTROL VALVE THEREIN TO INTRODUCE FUEL TO THE FIREBOX OF SAID DRYER; MEANS HAVING A THIRD CONTROL VALVE THEREIN TO INTRODUCE WATER TO THE FIREBOX OF SAID DRYER; A SECOND CONVEYOR MEANS DRIVEN BY A FOURTH MOTOR TO DELIVER PELLETS FROM SAID MIXING CONVEYOR TO SAID DRYER; A THIRD CONVEYOR MEANS DRIVEN BY A FIFTH MOTOR TO REMOVE PELLETS FROM SAID DRYER; MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID FIFTH MOTOR TO STOP SAID THIRD, FOURTH, FIRST AND SECOND MOTORS IN SEQUENCE; MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID THIRD MOTOR TO CLOSE SAID SECOND CONTROL VALVE AND TO OPEN SAID THIRD CONTROL VALVE; AND MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID FIRST MOTOR TO CLOSE SAID FIRST CONTROL VALVE.
Claim 2
Dependent Claim 189 words
PELLETING APPARATUS COMPRISING A MIXING CONVEYOR DRIVEN BY A FIRST MOTOR; A FIRST CONVEYOR MEANS DRIVEN BY A SECOND MOTOR TO DELIVER MATERIAL TO BE PELLETED TO SAID MIXING CONVEYOR; MEANS HAVING A FIRST CONTROL VALVE THEREIN TO INTRODUCE A PELLETING LIQUID INTO SAID MIXING CONVEYOR; A ROTARY DRYER DRIVEN BY A THIRD MOTOR; A FIREBOX IN HEATING RELATIONSHIP WITH SAID DRYER; MEANS HAVING A SECOND CONTROL VALVE THEREIN TO INTRODUCE FUEL TO THE FIREBOX OF SAID DRYER; MEANS HAVING A THIRD CONTROL VALVE THEREIN TO INTRODUCE WATER TO THE FIREBOX OF SAID DRYER; A SECOND CONVEYOR MEANS DRIVEN BY A FOURTH MOTOR TO DELIVER PELLETS FROM SAID MIXING CONVEYOR TO SAID DRYER; A THIRD CONVEYOR MEANS DRIVEN BY A FIFTH MOTOR TO REMOVE PELLETS FROM SAID DRYER; MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID FIFTH MOTOR TO STOP SAID THIRD, FOURTH, FIRST AND SECOND MOTORS IN SEQUENCE; MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID THIRD MOTOR TO CLOSE SAID SECOND CONTROL VALVE AND TO OPEN SAID THIRD CONTROL VALVE; AND MEANS RESPONSIVE TO TERMINATION OF ROTATION OF SAID FIRST MOTOR TO CLOSE SAID FIRST CONTROL VALVE.

References Cited (Backward Citations)

US2304382A Cited
US2457962A Cited
US2753926A Cited
US2949958A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag