Patent US3097478A successfully refreshed from Google Patents.
US3097478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas driven compressor
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
•
Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE: AN EXHAUST GAS DRIVEN MOTOR IN THE FORM OF A FIRST ROTARY PISTON UNIT CONNECTED TO RECEIVE EXHAUST GAS FROM SAID COMBUSTION ENGINE, A COMPRESSOR IN THE FORM OF A SECOND ROTARY PISTON UNIT DRIVINGLY CONNECTED TO SAID FIRST ROTARY PISTON UNIT, EACH OF SAID ROTARY PISTON UNITS COMPRISING TWO ROTARY PISTONS ONE ARRANGED WITHIN THE OTHER, ONE PISTON ONLY OF EACH OF SAID ROTARY PISTON INE ACH OF A WORKING PISTON WHILE THE OTHER ROTARY PISTON IN EACH OF SAID ROTARY PISTON UNITS IS ARRANGED SO AS TO BE IDLY MOVED BY THE RESPECTIVE ADJACENT WORKING PISTON, SAID SECOND ROTARY PISTON UNIT INCLUDING CONTROL MEANS ADJUSTABLE FOR CONTROLLING THE DELIVERY OF SAID COMPRESSOR, AND MEANS OPERATIVELY CONNECTING SAID ENGINE WITH SAID CONTROL MEANS FOR CAUSING THE LATTER TO REDUCE THE DELIVERY OF SAID COM-
Claim 2
Dependent Claim
142 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE: AN EXHAUST GAS DRIVEN MOTOR IN THE FORM OF A FIRST ROTARY PISTON UNIT CONNECTED TO RECEIVE EXHAUST GAS FROM SAID COMBUSTION ENGINE, A COMPRESSOR IN THE FORM OF A SECOND ROTARY PISTON UNIT DRIVINGLY CONNECTED TO SAID FIRST ROTARY PISTON UNIT, EACH OF SAID ROTARY PISTON UNITS COMPRISING TWO ROTARY PISTONS ONE ARRANGED WITHIN THE OTHER, ONE PISTON ONLY OF EACH OF SAID ROTARY PISTON INE ACH OF A WORKING PISTON WHILE THE OTHER ROTARY PISTON IN EACH OF SAID ROTARY PISTON UNITS IS ARRANGED SO AS TO BE IDLY MOVED BY THE RESPECTIVE ADJACENT WORKING PISTON, SAID SECOND ROTARY PISTON UNIT INCLUDING CONTROL MEANS ADJUSTABLE FOR CONTROLLING THE DELIVERY OF SAID COMPRESSOR, AND MEANS OPERATIVELY CONNECTING SAID ENGINE WITH SAID CONTROL MEANS FOR CAUSING THE LATTER TO REDUCE THE DELIVERY OF SAID COM-
References 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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |