US3930519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure regulator
Assignee: United States Department of the Army
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Filing: 1975-02-13
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Granted: 1976-01-06
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Expires: 1995-02-13
Abstract
Abstract A fluid flow regulator including upstream and downstream members to secure pierced diaphragm in fluid tight engagement therebetween, a valve stem and seat repectively disposed on the diaphragm and upstream member, an O-ring enclosed therein and, a shoulder on the valve stem for engagement with the O-ring to form a fluid tight seal. The diaphragm is disposed for flexure to compress the O-ring for engagement of the stem and seat to discontinue fluid flow responsive to a predetermined value of downstream fluid pressure.
Inventors
- 👤 Joe L. Byrd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:55
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; F16K17/00; F16K17/20; F16K17/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7808
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
150 words
A regulator for control of fluid flow between upstream and downstream sections of a conduit comprising: A circular diaphragm with an axial valve stem secured thereto including a passage for flow of fluid therethrough, a pair of tubular members disposed for respective engagement with said sections and for mutual engagement to conduct the flow between the sections and to secure said diaphragm therebetween in fluid tight engagement, an axial valve seat disposed on said upstream member and said upstream member including a cylindrical cavity; and An O-ring circumferentially constrained in said cavity for initial compression by said stem to provide a fluid tight seal and bias said stem from said seat; Said diaphragm being disposed to flex for additional compression of said O-ring and engagement of said stem with said seat to discontinue flow through said axial passage responsive to a predetermined value of fluid pressure in said downstream section.
Claim 2
Dependent Claim
150 words
A regulator for control of fluid flow between upstream and downstream sections of a conduit comprising: A circular diaphragm with an axial valve stem secured thereto including a passage for flow of fluid therethrough, a pair of tubular members disposed for respective engagement with said sections and for mutual engagement to conduct the flow between the sections and to secure said diaphragm therebetween in fluid tight engagement, an axial valve seat disposed on said upstream member and said upstream member including a cylindrical cavity; and An O-ring circumferentially constrained in said cavity for initial compression by said stem to provide a fluid tight seal and bias said stem from said seat; Said diaphragm being disposed to flex for additional compression of said O-ring and engagement of said stem with said seat to discontinue flow through said axial passage responsive to a predetermined value of fluid pressure in said downstream section.
Claim 3
Dependent Claim
31 words
A regulator as in claim 1 with a shoulder provided on said stem for the compression of said O-ring and with said upstream member including an aperture to vent air therefrom.
References Cited (Backward Citations)
US3372707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |