US3203514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbocharger brake
Assignee: Caterpillar Inc
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Filing: 1963-04-10
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Granted: 1965-08-31
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Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 James M Davies
- 👤 Wiliam G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:30
CPC Classifications
F; F02; F02B; F02B39/00; F02B39/14; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN COMBINATION WITH AN ENGINE HAVING A TURBOCHARGER AND A LUBRICATION SYSTEM SUPPLYING OIL UNDER PRESSURE TO TURBOCHARGER BEARINGS WHEN THE ENGINE IS IN OPERATION, MEANS TO PREVENT OPERATION OF THE TURBOCHARGER UPON STARTING OF THE ENGINE UNTIL LUBRICANT UNDER PRESSURE REACHES THE TURBOCHARGER BEARINGS COMPRISING, A BRAKE POSITIONED TO ENGAGE THE TURBOCHARGER, A PISTON CONNECTED TO THE BRAKE, A CYLINDER ENCLOSING THE PISTON, A SPRING ON ONE SIDE OF THE PISTON URGING THE BRAKE INTO ENGAGE POSITION AND MEANS TO DIRECT LUBRICANT UNDER PRESSURE FROM SAID LUBRICATION SYSTEM THROUGH AT LEAST ONE OF SAID TURBOCHARGER BEARINGS AND TO SAID CYLINDER AT THE OPPOSITE SIDE OF THE PISTON TO OPPOSE THE SPRING FORCE AND DISENGAGE THE BRAKE.
Claim 2
Dependent Claim
117 words
IN COMBINATION WITH AN ENGINE HAVING A TURBOCHARGER AND A LUBRICATION SYSTEM SUPPLYING OIL UNDER PRESSURE TO TURBOCHARGER BEARINGS WHEN THE ENGINE IS IN OPERATION, MEANS TO PREVENT OPERATION OF THE TURBOCHARGER UPON STARTING OF THE ENGINE UNTIL LUBRICANT UNDER PRESSURE REACHES THE TURBOCHARGER BEARINGS COMPRISING, A BRAKE POSITIONED TO ENGAGE THE TURBOCHARGER, A PISTON CONNECTED TO THE BRAKE, A CYLINDER ENCLOSING THE PISTON, A SPRING ON ONE SIDE OF THE PISTON URGING THE BRAKE INTO ENGAGE POSITION AND MEANS TO DIRECT LUBRICANT UNDER PRESSURE FROM SAID LUBRICATION SYSTEM THROUGH AT LEAST ONE OF SAID TURBOCHARGER BEARINGS AND TO SAID CYLINDER AT THE OPPOSITE SIDE OF THE PISTON TO OPPOSE THE SPRING FORCE AND DISENGAGE THE BRAKE.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |