US3342464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air valve control
Assignee: Motors Liquidation Co
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Filing: 1966-02-23
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Granted: 1967-09-19
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Mick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:26
CPC Classifications
F; F02; F02M; F02M19/00; F02M19/12; F02M19/124; F02M7/00; F02M7/12; F02M7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AN INTERNAL COMBUSTION ENGINE FUEL SYSTEM INCLUDING AN AIR FLOW INLET, A FUEL FLOW INLET, FUEL METERING MEANS REGULATING FLOW THROUGH SAID FUEL INLET, AND AIR FLOW SENSING MEANS CONTROLLING SAID FUEL METERING MEANS TO REGULATE FUEL FLOW IN ACCORDANCE WITH AIR FLOW, SAID AIR FLOW SENSING MEANS COMPRISING AIR VALVE MEANS VARIABLY POSITIONED WITHIN SAID AIR INLET, A FIRST FLEXIBLE PRESSURE RESPONSIVE DIAPHRAGM CONNECTED TO SAID AIR VALVE MEANS TO CONTROL THE POSITION THEREOF, PRESSURE CONNECTIONS SUBJECTING OPPOSING SIDES OF SAID DIAPHRAGM RESPECTIVELY TO THE FIRST PRESSURE IN SAID AIR INLET UPSTREAM OF SAID AIR VALVE MEANS AND TO THE SECOND PRESSURE IN SAID AIR INLET DOWNSTREAM OF SAID AIR VALVE MEANS WHEREBY A PRESSURE DIFFERENTIAL IS CREATED ACROSS SAID DIAPHRAGM TO MOVE SAID AIR VALVE
Claim 2
Dependent Claim
127 words
AN INTERNAL COMBUSTION ENGINE FUEL SYSTEM INCLUDING AN AIR FLOW INLET, A FUEL FLOW INLET, FUEL METERING MEANS REGULATING FLOW THROUGH SAID FUEL INLET, AND AIR FLOW SENSING MEANS CONTROLLING SAID FUEL METERING MEANS TO REGULATE FUEL FLOW IN ACCORDANCE WITH AIR FLOW, SAID AIR FLOW SENSING MEANS COMPRISING AIR VALVE MEANS VARIABLY POSITIONED WITHIN SAID AIR INLET, A FIRST FLEXIBLE PRESSURE RESPONSIVE DIAPHRAGM CONNECTED TO SAID AIR VALVE MEANS TO CONTROL THE POSITION THEREOF, PRESSURE CONNECTIONS SUBJECTING OPPOSING SIDES OF SAID DIAPHRAGM RESPECTIVELY TO THE FIRST PRESSURE IN SAID AIR INLET UPSTREAM OF SAID AIR VALVE MEANS AND TO THE SECOND PRESSURE IN SAID AIR INLET DOWNSTREAM OF SAID AIR VALVE MEANS WHEREBY A PRESSURE DIFFERENTIAL IS CREATED ACROSS SAID DIAPHRAGM TO MOVE SAID AIR VALVE
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |