US3188148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control valve
Assignee: Girling Ltd
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Filing: 1964-11-16
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Granted: 1965-06-08
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Eaton Maurice Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:45
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; B; B60; B60T; B60T8/00; B60T8/32; B60T8/321; B60T8/3235; B60T8/3245; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614; Y10T137/8667; Y10T137/86686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FLUID CONTROL VALVE COMPRISING A VALVE BODY, IN WHICH IS FORMED AN INLET PASSAGE, AN OUTLET PASSAGE AND AN EXHAUST PASSAGE, OPPOSED SEATINGS IN SAID VALVE BODY LOCATED RESPECTIVELY BETWEEN SAID INLET PASSAGE AND SAID OUTLET PASSAGE, AND BETWEEN SAID OUTLET PASSAGE AND SAID EXHAUST PASSAGE, A VALVE HEAD ADAPTED TO ENGAGE ALTERNATIVELY WITH SAID SEATINGS, AND A SHROUD ON EACH SIDE OF SAID VALVE HEAD AND WHICH THROUGOUT ITS AXIAL LENGTH IS TO A CONSTANT SECTION COMPLEMENTARY TO AND SMALLER THAN THE SEATING WITH WHICH THAT SIDE OF THE VALVE HEAD IS ADAPTED TO CO-OPERATE, WHEREBY SAID SHROUD IS ADAPTED TO ENTER SAID SEATING AND RESTRICT THE FLOW OF FLUID THROUGH IT BEFORE THE VALVE CLOSES.
Claim 2
Dependent Claim
118 words
A FLUID CONTROL VALVE COMPRISING A VALVE BODY, IN WHICH IS FORMED AN INLET PASSAGE, AN OUTLET PASSAGE AND AN EXHAUST PASSAGE, OPPOSED SEATINGS IN SAID VALVE BODY LOCATED RESPECTIVELY BETWEEN SAID INLET PASSAGE AND SAID OUTLET PASSAGE, AND BETWEEN SAID OUTLET PASSAGE AND SAID EXHAUST PASSAGE, A VALVE HEAD ADAPTED TO ENGAGE ALTERNATIVELY WITH SAID SEATINGS, AND A SHROUD ON EACH SIDE OF SAID VALVE HEAD AND WHICH THROUGOUT ITS AXIAL LENGTH IS TO A CONSTANT SECTION COMPLEMENTARY TO AND SMALLER THAN THE SEATING WITH WHICH THAT SIDE OF THE VALVE HEAD IS ADAPTED TO CO-OPERATE, WHEREBY SAID SHROUD IS ADAPTED TO ENTER SAID SEATING AND RESTRICT THE FLOW OF FLUID THROUGH IT BEFORE THE VALVE CLOSES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |