US3099285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vent and relief valve
Assignee: North American Aviation Corp
•
Filing: 1959-09-01
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Granted: 1963-07-30
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Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 William K Berg
- 👤 Robert A Riddell
- 👤 Eugene G Spencer
- 👤 Lloyd E Tomlinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:19
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/10; F16K17/105; Y; Y10; Y10T; Y10T137/00; Y10T137/3367; Y10T137/3421; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781; Y10T137/7782; Y10T137/8158; Y10T137/8225; Y10T137/8242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A VENT AND RELIFE VALVE COMPRISING THE COMBINATION OF A HOUSING CONTAINING AN INLET PORT COMMUNICATING WITH AN INDEPENDENT FLUID SUPPLY TO BE CONTROLLED IN AN OUTLET PORT, A POPPET MOUNTED WITHIN SAID HOUSING AND ADAPTED TO NORMALLY SEALABLY CLOSE SAID OUTLET PORT, ACTUATOR MEANS CONNECTED TO SAID POPPET, SAID POPPET AND SAID ACTUATOR MEANS SEPARATING SAID HOUSING INTO TWO COMPARTMENTS EACH NORMALLY EXPOSED TO SUPPLY PRESSURE; AND A PILOT VALVE INCLUDING PASSAGE MEANS STRUCTURALLY SEPARATE FROM SAID ACTUATOR MEANS AND INTERCONNECTING SAID COMPARTMENTS, MEANS FOR INTERRUPTING SAID INTERCONNECTION RESPONSIVE TO AN INCREASE OF SUPPLY PRESSURE, VENT MEANS ADAPTED FOR VENT CONNECTION WITH ONE OF SAID COMPARTMENTS ONLY, WHEREBY WHEN SAID ONE COMPARTMENT IS VENTED SAID POPPET OPENS TO RELIEVE EXCESS PRESSURE IN SAID FLUID SUPPLY AND AN OVERRIDE PISTON SEPARATE FROM AND CONNECTED TO SAID POPPET FOR POSITIONING SAID POPPET RESPONSIVE TO AN INDEPENDENT PRESSURE SIGNAL.
Claim 2
Dependent Claim
147 words
A VENT AND RELIFE VALVE COMPRISING THE COMBINATION OF A HOUSING CONTAINING AN INLET PORT COMMUNICATING WITH AN INDEPENDENT FLUID SUPPLY TO BE CONTROLLED IN AN OUTLET PORT, A POPPET MOUNTED WITHIN SAID HOUSING AND ADAPTED TO NORMALLY SEALABLY CLOSE SAID OUTLET PORT, ACTUATOR MEANS CONNECTED TO SAID POPPET, SAID POPPET AND SAID ACTUATOR MEANS SEPARATING SAID HOUSING INTO TWO COMPARTMENTS EACH NORMALLY EXPOSED TO SUPPLY PRESSURE; AND A PILOT VALVE INCLUDING PASSAGE MEANS STRUCTURALLY SEPARATE FROM SAID ACTUATOR MEANS AND INTERCONNECTING SAID COMPARTMENTS, MEANS FOR INTERRUPTING SAID INTERCONNECTION RESPONSIVE TO AN INCREASE OF SUPPLY PRESSURE, VENT MEANS ADAPTED FOR VENT CONNECTION WITH ONE OF SAID COMPARTMENTS ONLY, WHEREBY WHEN SAID ONE COMPARTMENT IS VENTED SAID POPPET OPENS TO RELIEVE EXCESS PRESSURE IN SAID FLUID SUPPLY AND AN OVERRIDE PISTON SEPARATE FROM AND CONNECTED TO SAID POPPET FOR POSITIONING SAID POPPET RESPONSIVE TO AN INDEPENDENT PRESSURE SIGNAL.
References Cited (Backward Citations)
US584799A
Cited
US1904475A
Cited
US746337A
Cited
US868030A
Cited
US919300A
Cited
US1764790A
Cited
US2124619A
Cited
US2398775A
Cited
US2693201A
Cited
US2712830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |