Engine cam operated air compressor for vehicle leveling system
Abstract
Abstract IN PREFERRED FORM, A COMPRESSOR HAVING AN OPEN ENDED HOUSING ADAPTED TO BE CONNECTED TO A CAM PORT ON AN ENGINE BLOCK. AN OPERATING ARM IS DRIVEN BY AN ENGINE CAM TO RECIPROCATE A PISTON WITHIN AN OIL FILLED CYLINDER WHICH INCLUDES AN INTAKE VALVE TO A SUMP IN THE HOUSING AND A RELIEF VALVE FOR FLOW OF EXCESSIVE OIL FROM THE CYLINDER BACK TO THE PUMP. A PUMP DIAPHRAGM IS OPERATED BY RECIPROCATION OF THE PISTON IN THE CYLINDER TO DRAW AIR INTO AND DISCHARGE AIR FROM AN AIR PUMPING CHAMBER WHICH INCLUDES A PLURALITY OF SHALLOW, NORROW RELIEF PASSAGEWAYS THEREIN TO REDUCE RE-EXPANSION OF COMPRESSED AIR IN THE CHAMBER. AN IMPROVED OIL BAFFLING ARRANGEMENT PREVENTS AERATION ON THE OIL SIDE OF THE DIAPHRAGM.
Inventors
- 👤 George W Jackson
- 👤 James E Whelan
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |