Patent US3335563A successfully refreshed from Google Patents.
US3335563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines
Assignee: Tilling Stevens Ltd
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Filing: 1965-10-11
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Granted: 1967-08-15
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Kitchen Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:28
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/04; F02B37/12; F02B37/16; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN INTERNAL COMBUSTION ENGINE OF THE KIND HAVING AN EXHAUST DRIVEN TURBO BLOWER FOLLOWED IN SERIES RELATION BY AN ENGINE DRIVEN POSITIVE ACTION BLOWER FOR CHARING AIR OR COMBUSTIBLE MIXTURE TO THE ENGINE CYLINDER OR CYLINDERS AND A RETURN BY-PASS AROUND THE POSITIVE ACTION BLOWER IN WHICH THERE IS FOR CONTROLLING FLOW THROUGH THE BY-PASS A PRESSURE RELIEF VALVE OF THE ROTARY SHUTTER TYPE HAVING A PRESSURE DIFFERENCE RESPONSIVE DEVICE OPEN TO PRESSURE UPSTREAM OF THE POSITIVE ACTION BLOWER AND DOWNSTREAM OF SAME RESPECTIVELY, AND OPERATIVE TO ROTATE THE SHUTTER TO EXPOSE OR PARTLY EXPOSE THE
Claim 2
Dependent Claim
96 words
AN INTERNAL COMBUSTION ENGINE OF THE KIND HAVING AN EXHAUST DRIVEN TURBO BLOWER FOLLOWED IN SERIES RELATION BY AN ENGINE DRIVEN POSITIVE ACTION BLOWER FOR CHARING AIR OR COMBUSTIBLE MIXTURE TO THE ENGINE CYLINDER OR CYLINDERS AND A RETURN BY-PASS AROUND THE POSITIVE ACTION BLOWER IN WHICH THERE IS FOR CONTROLLING FLOW THROUGH THE BY-PASS A PRESSURE RELIEF VALVE OF THE ROTARY SHUTTER TYPE HAVING A PRESSURE DIFFERENCE RESPONSIVE DEVICE OPEN TO PRESSURE UPSTREAM OF THE POSITIVE ACTION BLOWER AND DOWNSTREAM OF SAME RESPECTIVELY, AND OPERATIVE TO ROTATE THE SHUTTER TO EXPOSE OR PARTLY EXPOSE THE
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |