US3400908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve construction
Assignee: Bowles Engineering Corp
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Filing: 1965-01-08
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Granted: 1968-09-10
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Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Bauer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:19
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CONTROL MEANS FOR ACTUATING A THROTTLE VALVE COMPRISING A HOUSING HAVING AN ELONGATED CHAMBER, A THROTTLE VALVE ACTUATING SHAFT EXTENDING FROM ONE END OF SAID CHAMBER THROUGH A WALL OF SAID HOUSING, A CONTROL ARM CONNECTED TO SAID SHAFT, SAID ARM HAVING A FREE END, AND AN ACTUATOR FOR SAID INCLUDING AN ELONGATED LEVER PIVOTED ABOUT A PIVOT POINT AT THE OTHER END OF SAID CHAMBER AND TERMINATING IN AN OPERATING PORTION ADJACENT SAID ONE END, SAID OPERATING PORTION BEING SLIDABLY ENGAGEABLE WITH SAID FREE END OF SAID ARM, AND A ROD SUBSTANTIALLY PERPENDICULAR TO SAID LEVER AND FIXED THERETO ADJACENT SAID PIVOT POINT WHEREBY A RELATIVELY SMALL ACTUATING MOVEMENT OF SAID ROD GENERATES A SUBSTANTIAL MOVEMENT OF SAID ARM.
Claim 2
Dependent Claim
121 words
A CONTROL MEANS FOR ACTUATING A THROTTLE VALVE COMPRISING A HOUSING HAVING AN ELONGATED CHAMBER, A THROTTLE VALVE ACTUATING SHAFT EXTENDING FROM ONE END OF SAID CHAMBER THROUGH A WALL OF SAID HOUSING, A CONTROL ARM CONNECTED TO SAID SHAFT, SAID ARM HAVING A FREE END, AND AN ACTUATOR FOR SAID INCLUDING AN ELONGATED LEVER PIVOTED ABOUT A PIVOT POINT AT THE OTHER END OF SAID CHAMBER AND TERMINATING IN AN OPERATING PORTION ADJACENT SAID ONE END, SAID OPERATING PORTION BEING SLIDABLY ENGAGEABLE WITH SAID FREE END OF SAID ARM, AND A ROD SUBSTANTIALLY PERPENDICULAR TO SAID LEVER AND FIXED THERETO ADJACENT SAID PIVOT POINT WHEREBY A RELATIVELY SMALL ACTUATING MOVEMENT OF SAID ROD GENERATES A SUBSTANTIAL MOVEMENT OF SAID ARM.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |