US3312207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankcase emission control
Assignee: BREAUX
•
Filing: 1965-02-11
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Granted: 1967-04-04
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Expires: 1985-02-11
Abstract
No abstract record available.
Inventors
- 👤 Robert L Martin
- 👤 Albert E Breaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:46
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CRANKCASE EMISSION CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND INTAKE MANIFOLD MEANS INCLUDING A THROTTLE VALVE, SAID DEVICE COMPRISING EVACUATING CONDUIT MEANS FOR CONNECTING SAID CRANKCASE TO SAID INTAKE MANIFOLD MEANS POSTERIORLY OF SAID THROTTLE VALVE, AND PRESSURE OPERATED CONTROL VALVE MEANS IN SAID EVACUATING CONDUIT MEANS CONTROLLING THE FLOW OF VAPOR THEREIN FROM SAID CRANKCASE TO SAID INTAKE MANIFOLD MEANS, SAID CONTROL VALVE MEANS BEING MOVABLE BETWEEN A FIRST POSITION DEFINING A DISCRETE VAPOR FLOW AREA IN SAID EVACUATING CONDUIT MEANS AND A SECOND POSITION DEFINING A VAPOR FLOW AREA IN SAID EVACUATING CONDUIT MEANS GREATER THAN THE DISCRETE AREA IN RESPONSE TO A PREDETERMINED DIFFERENTIAL BETWEEN THE PRESSURE IN SAID INTAKE MANIFOLD MEANS ANTERIORLY OF SAID THROTTLE VALVE AND THE PRESSURE IN THE CRANKCASE.
Claim 2
Dependent Claim
131 words
A CRANKCASE EMISSION CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND INTAKE MANIFOLD MEANS INCLUDING A THROTTLE VALVE, SAID DEVICE COMPRISING EVACUATING CONDUIT MEANS FOR CONNECTING SAID CRANKCASE TO SAID INTAKE MANIFOLD MEANS POSTERIORLY OF SAID THROTTLE VALVE, AND PRESSURE OPERATED CONTROL VALVE MEANS IN SAID EVACUATING CONDUIT MEANS CONTROLLING THE FLOW OF VAPOR THEREIN FROM SAID CRANKCASE TO SAID INTAKE MANIFOLD MEANS, SAID CONTROL VALVE MEANS BEING MOVABLE BETWEEN A FIRST POSITION DEFINING A DISCRETE VAPOR FLOW AREA IN SAID EVACUATING CONDUIT MEANS AND A SECOND POSITION DEFINING A VAPOR FLOW AREA IN SAID EVACUATING CONDUIT MEANS GREATER THAN THE DISCRETE AREA IN RESPONSE TO A PREDETERMINED DIFFERENTIAL BETWEEN THE PRESSURE IN SAID INTAKE MANIFOLD MEANS ANTERIORLY OF SAID THROTTLE VALVE AND THE PRESSURE IN THE CRANKCASE.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |