Lubricating system for power transmitting apparatus
Abstract
Abstract A LUBRICANT SYSTEM FOR A POWER TRANSMITTING APPARATUS COMPRISING AN OUTER CASING DIFINING A CENTER CHAMBER INCLUDING A LIQUID LUBRICANT SUMP, A SHAFT JOURNALLED FOR ROTATION WITHIN THE CASING AND GEAR MEANS LOCATED WITHIN THE CHAMBER AND OPERATIVELY CONNECTED TO THE SHAFT. A LUBRICATION PASSAGE IS FORMED WITHIN THE SHAFT. THIS PASSAGE HAS TWO OPENINGS TO EXTERIOR OF THE SHAFT FOR THE INTRODUCTION OF LUBRICANT TO THE PASSAGE. FIRST LUBRICANT SUPPLY MEANS SUPPLY LUBRICANT FROM THE SUMP TO ONE OF THE PASSAGE OPENINGS AT A PREDETERMINED PRESURE AND SECOND LUBRICANT SUPPLY MEANS SUPPLY LUBRICANT FROM THE SUMP TO THE OTHER OF THE OPENINGS AT A PRESSURE LESS THAN THE PREDETERMINED PRESSURE. ONE WAY VALVE MEANS ARE LOCATED IN THE OTHER OF THE OPENINGS AND PREVENT THE FLOW OF LUBRICANT TO THE PASSAGE THROUGH THE SECOND OPENING ONLY WHEN THE FLUID PRESSURE WITHIN THE PASSAGE IS LESS THAN THE FLUID PRESSURE OUTSIDE THE PASSAGE AND PROXIMATE THE SECOND OPENING.
Inventors
- 👤 S Dukes
- 👤 E Maki
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |