A valve for a turbomachine, has a valve cone and a valve seat, the valve cone being configured such that it can be moved in a valve body with respect to the valve seat. The opening and closing of the valve being achieved by the use of process-internal media taking into account different geometries o
A valve for a turbomachine, has a valve cone and a valve seat, the valve cone being configured such that it can be moved in a valve body with respect to the valve seat. The opening and closing of the valve being achieved by the use of process-internal media taking into account different geometries of the working chambers and the use of thermodynamically different state variables.
대표청구항▼
1. A valve for a turbomachine, the valve comprising: a quick valve body comprising a valve cone, anda valve seat,the valve cone being configured such that the valve cone is movable in a valve body with respect to the valve seat,the valve comprising a first pressure space which is configured in such
1. A valve for a turbomachine, the valve comprising: a quick valve body comprising a valve cone, anda valve seat,the valve cone being configured such that the valve cone is movable in a valve body with respect to the valve seat,the valve comprising a first pressure space which is configured in such a way that, in a case of loading in the first pressure space at a pressure p1, the valve cone moves in a direction of the valve seat,the valve comprising a second pressure space which is configured in such a way that, in a case of loading in the second pressure space at the pressure p1, the valve cone moves in a direction away from the valve seat,the first pressure space formed between the valve body and the quick valve body and comprising an effective first pressure area A1, as viewed in a movement direction of the valve cone toward the valve seat,the second pressure space formed between the valve body and the quick valve body and comprising an effective second pressure area A2, as viewed in a movement direction of the valve cone away from the valve seat,wherein: A1A2. 7. The valve as claimed in claim 6, wherein the valve cone comprises an effective fourth pressure area A4 in the movement direction of the valve cone away from the valve seat in an inflow space, wherein: A1+A3=A2+A4. 8. The valve as claimed in claim 7, wherein: A1>A4. 9. The valve as claimed in claim 1, further comprising: an actuator valve cone which is arranged within the quick valve body and configured for regulating a flow of steam through the valve. 10. The valve as claimed in claim 1, wherein the quick valve body is configured to interrupt a flow of a process medium through the valve in an event of a drop in a pressure of the process medium. 11. The valve as claimed in claim 1, wherein the turbomachine comprises a steam turbine. 12. A valve for a turbomachine, the valve comprising: a valve body comprising a valve seat, an annular wall defining a central passage in the valve body configured to house an actuator valve cone that is movable between being seated and not seated on the valve seat, an annular chamber concentrically surrounding the central passage, and a quick valve comprising a first end disposed in the annular chamber and a valve cone protruding from the annular chamber and configured to seat on the valve seat,a first pressure space formed in the annular chamber between the valve body and the first end, and a second pressure space formed in the annular chamber between the valve body and the first end,wherein when a first pressure in the first pressure space equals a second pressure in the second pressure space, a force from the second pressure that urges the quick valve away from the valve seat is greater than a force from the first pressure that urges the quick valve toward the valve seat. 13. The valve as claimed in claim 12, wherein the first pressure space comprises an effective first pressure area A1 as viewed in a movement direction of the valve cone toward the valve seat,wherein the second pressure space comprises an effective second pressure area A2 as viewed in a movement direction of the valve cone away from the valve seat, andwherein A1
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이 특허에 인용된 특허 (10)
Masaki Ota JP; Masahiro Kawaguchi JP; Masanori Sonobe JP; Tomoji Tarutani JP; Ken Suitou JP; Ryo Matsubara JP; Taku Adaniya JP, Control valve for variable displacement compressor.
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