US3821968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve structure having double ports
Assignee: ANCHOR/DARLING VALVE COMPANY 919 CONESTOGA RD ROSEMONT PA 19010 A CORP OF
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Filing: 1973-01-26
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Granted: 1974-07-02
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Expires: 1993-01-26
Abstract
Abstract A control valve structure in which the flow of fluid from the inlet is divided into two separate streams and then recombined at the outlet. The control valve is of the globe-valve type having two opposed parts through which the fluid flows from the inlet, and the control valve includes two cylindrical valve portions thereon to control the flow of fluid through the two ports. The cylindrical valve portions are mounted on a common valve post in spaced relation to each other and are perforated to provide a restriction to the fluid flow, thereby converting some of the energy of the fluid stream to heat.
Inventors
- 👤 G Barb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:46
CPC Classifications
F; F16; F16K; F16K47/00; F16K47/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
258 words
A valve structure comprising, a body having an inlet and an outlet, said inlet having an end portion extending within said body and having aligned upper and lower annular valve ports communicating with said outlet, aligned upper and lower valve seats defining said valve ports, a valve plug structure mounted within said valve body having axially aligned integral upper and lower valve plug portions connected to a common post and adapted to seat on the respective upper and lower valve seats, said lower valve plug portion having a perforated cylindrical wall and an open lower end, the upper end of said lower valve plug portion being closed and adapted to seat on the lower valve seat in a closed position to prevent the flow of fluid therethrough, a fixed cage having an upper circumference forming the lower valve seat and a lower cylindrical perforated wall communicating with the outlet, said lower valve plug portion being received within the cage and covering at least a substantial portion of the perforated area of the fixed cage in a closed position, the perforated area of the lower plug portion and the perforated area of the cage which are exposed to fluid flow both increasing simultaneously in size upon movement of the lower plug portion toward an open position and said fluid first flowing through the perforations in said lower valve plug portion and then through the perforations in said cage to said outlet, and means to move said valve plug portions between open and closed positions relative to the valve ports.
Claim 2
Dependent Claim
258 words
A valve structure comprising, a body having an inlet and an outlet, said inlet having an end portion extending within said body and having aligned upper and lower annular valve ports communicating with said outlet, aligned upper and lower valve seats defining said valve ports, a valve plug structure mounted within said valve body having axially aligned integral upper and lower valve plug portions connected to a common post and adapted to seat on the respective upper and lower valve seats, said lower valve plug portion having a perforated cylindrical wall and an open lower end, the upper end of said lower valve plug portion being closed and adapted to seat on the lower valve seat in a closed position to prevent the flow of fluid therethrough, a fixed cage having an upper circumference forming the lower valve seat and a lower cylindrical perforated wall communicating with the outlet, said lower valve plug portion being received within the cage and covering at least a substantial portion of the perforated area of the fixed cage in a closed position, the perforated area of the lower plug portion and the perforated area of the cage which are exposed to fluid flow both increasing simultaneously in size upon movement of the lower plug portion toward an open position and said fluid first flowing through the perforations in said lower valve plug portion and then through the perforations in said cage to said outlet, and means to move said valve plug portions between open and closed positions relative to the valve ports.
Claim 3
Dependent Claim
45 words
A valve structure as set forth in claim 1 wherein the openings in each of said generally cylindrical walls are arranged in a plurality of spaced rings about the walls with the openings being of an increasing size from closed position toward full open position.
Claim 4
Dependent Claim
39 words
A valve structure as set forth in claim 1 wherein the openings in the perforated wall of said cage are of a decreasing size from a position adjacent the associated seat to a position remote from the associated seat.
Claim 5
Dependent Claim
249 words
A valve structure comprising, a body having an inlet and an outlet, said inlet having an end portion extending within said body and having a pair of aligned annular valve ports communicating with said outlet, a pair of aligned valve seats defining said valve ports, a valve plug structure mounted within said valve body having a pair of axially aligned valve plug portions connected to a common post and adapted to seat on said valve seats, one of said valve plug portions having a perforated cylindrical wall and one open end, the other end of said valve plug portion being closed and adapted to seat on its associated valve seat in a closed position to prevent tHe flow of fluid therethrough, a fixed cage forming one of the valve seats and having a cylindrical perforated wall communicating with the outlet, said one valve plug portion being received within the cage and covering at least a substantial portion of the perforated area of the fixed cage in a closed position, the perforated area of said one plug portion and the perforated area of the cage which are exposed to fluid flow both increasing simultaneously in size upon movement of said one plug portion toward an open position and said fluid first flowing through the perforations in said one valve plug portion and then through the perforations in said cage to said outlet, and means to move said valve plug portions between open and closed positions relative to the valve ports.
Claim 6
Dependent Claim
249 words
A valve structure comprising, a body having an inlet and an outlet, said inlet having an end portion extending within said body and having a pair of aligned annular valve ports communicating with said outlet, a pair of aligned valve seats defining said valve ports, a valve plug structure mounted within said valve body having a pair of axially aligned valve plug portions connected to a common post and adapted to seat on said valve seats, one of said valve plug portions having a perforated cylindrical wall and one open end, the other end of said valve plug portion being closed and adapted to seat on its associated valve seat in a closed position to prevent tHe flow of fluid therethrough, a fixed cage forming one of the valve seats and having a cylindrical perforated wall communicating with the outlet, said one valve plug portion being received within the cage and covering at least a substantial portion of the perforated area of the fixed cage in a closed position, the perforated area of said one plug portion and the perforated area of the cage which are exposed to fluid flow both increasing simultaneously in size upon movement of said one plug portion toward an open position and said fluid first flowing through the perforations in said one valve plug portion and then through the perforations in said cage to said outlet, and means to move said valve plug portions between open and closed positions relative to the valve ports.
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |