US3272005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine roughness tester
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-01-25
•
Granted: 1966-09-13
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Victor F Massa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:18
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/04; G01M15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
APPARATUS FOR ANALYZING AND DIAGNOSING THE MIS-OPERATION OF AN INTERNAL COMBUSTION ENGINER OF THE PISTONDRIVEN CRANKSHAFT TYPE WHEREIN SAID ENGINE IS SUBJECTED TO PERIODIC IMPULSES GENERALLY ABOUT THE CRANKSHAFT AXIS AND WHEREIN MEANS ARE PROVIDED FOR MOUNTING SAID ENGINE TO PERMIT LIMITED OSCILLATORY FREEDOM THEREOF ABOUT SAID AXIS TO REFLECT SAID IMPULSES; COMPRISING IN COMBINATION, MEANS FOR SENSING ROTATIONAL OSCILLATIONS OF SAID ENGINE UPON ITS MOUNTING MEANS, SUPPORT MEANS FOR SAID SENSING MEANS, SAID SUPPORT MEANS INCLUDING A GENERALLY HORIZONTAL BAR ARRANGED TO BE POSITIONED ABOVE SAID ENGINE AND HAVING AN ELONGATED SLOT THEREIN, AN ARM, MEANS FOR MOUNTING ONE END OF SAID ARM IN THE SLOT OF SAID BAR AND FOR ADJUSTING THE LATERAL POSITION OF SAID ARM WITH RESPECT TO SAID BAR, SAID SENSING MEANS BEING SECURED TO SAID ARM AND INCLUDING A PLUNGER HAVING ONE END THEREOF IN CON-
Claim 2
Dependent Claim
142 words
APPARATUS FOR ANALYZING AND DIAGNOSING THE MIS-OPERATION OF AN INTERNAL COMBUSTION ENGINER OF THE PISTONDRIVEN CRANKSHAFT TYPE WHEREIN SAID ENGINE IS SUBJECTED TO PERIODIC IMPULSES GENERALLY ABOUT THE CRANKSHAFT AXIS AND WHEREIN MEANS ARE PROVIDED FOR MOUNTING SAID ENGINE TO PERMIT LIMITED OSCILLATORY FREEDOM THEREOF ABOUT SAID AXIS TO REFLECT SAID IMPULSES; COMPRISING IN COMBINATION, MEANS FOR SENSING ROTATIONAL OSCILLATIONS OF SAID ENGINE UPON ITS MOUNTING MEANS, SUPPORT MEANS FOR SAID SENSING MEANS, SAID SUPPORT MEANS INCLUDING A GENERALLY HORIZONTAL BAR ARRANGED TO BE POSITIONED ABOVE SAID ENGINE AND HAVING AN ELONGATED SLOT THEREIN, AN ARM, MEANS FOR MOUNTING ONE END OF SAID ARM IN THE SLOT OF SAID BAR AND FOR ADJUSTING THE LATERAL POSITION OF SAID ARM WITH RESPECT TO SAID BAR, SAID SENSING MEANS BEING SECURED TO SAID ARM AND INCLUDING A PLUNGER HAVING ONE END THEREOF IN CON-
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |