Patent FR689191A successfully refreshed from Google Patents.
US3073293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankcase vapor recycle system
Assignee: Individual
•
Filing: 1962-04-05
•
Granted: 1963-01-15
•
Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Ray C Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:21
CPC Classifications
F; F01; F01M; F01M13/00; F02; F02M; F02M13/00; F02M13/08; F01M13/0033; F01M13/02; F01M13/021; F01M13/022; F01M13/023; F01M13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CRANKCASE VAPOR RECYCLE SYSTEM FOR USE WITH AN INTERNAL COMBUSTION ENGINE, SAID ENGINE HAVING A CRANKCASE, A CARBURETOR, A CARBURETOR INTAKE WHERE AIR PASSES INTO SAID CARBURETOR, AND AN INTAKE MANIFOLD WHERE AIR PASSES OUT OF SAID CARBURETOR INTO SAID ENGINE, SAID RECYCLE SYSTEM COMPRISING, IN COMBINATION; A SEPARATOR HAVING COMMUNICATION WITH SAID CRANKCASE AND WITH SAID CARBURETOR INTAKE WHREBY VAPORS PASS FROM SAID CRANKCASE THROUGH SAID SEPARATOR AND TO SAID CARBURETOR INTAKE, SAID SEPARATOR ADAPTABLE TO EXTRACT ENTRAINED LIQUIDS FROM SAID VAPORS; A LIQUID RETURN TUBE COMMUNICATING SAID SEPARATOR WITH SAID INTAKE MANIFOLD, SAID LIQUID RETURN TUBE ADAPTABLE TO RETURN SAID LIQUIDS FROM SAID SEPARATOR TO SAID ENGINE; AND A FLOW LIMITING MEANS IN SAID LIQUID RETURN TUBE WHEREBY FLOW THROUGH SAID LIQUID RETURN TUBE IS LIMITED TO PREVENT SUBSTANTIAL DISTURBANCE OF THE AIR-FUEL MIXTURE IN SAID INTAKE MANIFOLD.
Claim 2
Dependent Claim
141 words
A CRANKCASE VAPOR RECYCLE SYSTEM FOR USE WITH AN INTERNAL COMBUSTION ENGINE, SAID ENGINE HAVING A CRANKCASE, A CARBURETOR, A CARBURETOR INTAKE WHERE AIR PASSES INTO SAID CARBURETOR, AND AN INTAKE MANIFOLD WHERE AIR PASSES OUT OF SAID CARBURETOR INTO SAID ENGINE, SAID RECYCLE SYSTEM COMPRISING, IN COMBINATION; A SEPARATOR HAVING COMMUNICATION WITH SAID CRANKCASE AND WITH SAID CARBURETOR INTAKE WHREBY VAPORS PASS FROM SAID CRANKCASE THROUGH SAID SEPARATOR AND TO SAID CARBURETOR INTAKE, SAID SEPARATOR ADAPTABLE TO EXTRACT ENTRAINED LIQUIDS FROM SAID VAPORS; A LIQUID RETURN TUBE COMMUNICATING SAID SEPARATOR WITH SAID INTAKE MANIFOLD, SAID LIQUID RETURN TUBE ADAPTABLE TO RETURN SAID LIQUIDS FROM SAID SEPARATOR TO SAID ENGINE; AND A FLOW LIMITING MEANS IN SAID LIQUID RETURN TUBE WHEREBY FLOW THROUGH SAID LIQUID RETURN TUBE IS LIMITED TO PREVENT SUBSTANTIAL DISTURBANCE OF THE AIR-FUEL MIXTURE IN SAID INTAKE MANIFOLD.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |