Author: claimsbot

1. A carbon dioxide recovery system, comprising:
a high-pressure turbine, an intermediate-pressure turbine, and a low-pressure turbine;
a boiler for producing steam to drive the turbines;
a carbon dioxide recovery unit including a carbon dioxide absorber for allowing a carbon dioxide absorbent to absorb and reduce carbon dioxide in a combustion flue gas discharged from the boiler and a carbon dioxide regenerator for regenerating the carbon dioxide absorbent having absorbed carbon dioxide as a regenerated carbon dioxide absorbent;
a first steam line through which low-pressure steam is fed from the intermediate-pressure turbine to the low-pressure turbine;
a second steam line into which the low-pressure steam is branched from the first steam line;
a first regulation valve disposed on the first steam line to regulate an opening of an amount of steam of the low-pressure steam from 100% to 0%;
a second regulation valve disposed on the second steam line to regulate an opening of an amount of steam of the low-pressure steam from 0% to 100% depending on the amount of control provided to the first regulation valve;
a first auxiliary turbine coupled to the second steam line to recover power using the low-pressure steam being fed;
a first steam feed line through which exhaust steam discharged from the first auxiliary turbine is employed to be fed as a source of heat to a reboiler which is used to regenerate the carbon dioxide absorbent having absorbed carbon dioxide in the carbon dioxide regenerator;
a bleed line through which the low-pressure steam having been bled from the first auxiliary turbine is fed to the low-pressure turbine; and
a control device configured to control driving of the first auxiliary turbine by controlling an opening from 100% to 0% and from 0% to 100% in carbon dioxide recovery and non-recovery modes in response to a variation in operation load of the boiler or the turbines while a pressure of the exhaust steam supplied to the reboiler is maintained to take on a permissible value for a reboiler optimum pressure (about 0.33 MPa\xb10.05 MPa) with the first regulation valve and the second regulation valve being operated in response to each other.
2. A carbon dioxide recovery method including using the carbon dioxide recovery system according to claim 1 to recover carbon dioxide which has been absorbed in the carbon dioxide absorbent.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A milling cutter comprising:
a cutting portion comprising:
a depression portion; and
a sidewall surrounding the depression portion;

wherein an exterior surface of the side wall is a cylindrical surface, at least a part of an internal surface of the side wall is a slanted surface, so as to form at least one tooth.
2. The milling cutter as claimed in claim 1, wherein the cutting portion is a cylinder with a free end aslant cut off by a virtual plane to form a slanted and elliptical cutting edge, and the depression portion is defined in the free end.
3. The milling cutter as claimed in claim 1, wherein a tooth angle is defined between the exterior surface and the internal surface, the tool angle is between 10 degrees and 30 degrees.
4. The milling cutter as claimed in claim 3, wherein the tool angle is 20 degree.
5. The milling cutter as claimed in claim 1, further comprising a shank for holding and locating the milling cutter and a neck for connecting the cutting portion to the shank.
6. The milling cutter as claimed in claim 1, wherein the cutting portion is a cylinder with a free end cut off by two virtual surface whose sectional view is V-shaped to form two tooth symmetrical with each other, and the depression portion is defined in the free end.

1. A multilayered ceramic electronic component comprising:
a ceramic body including dielectric layers;
internal electrodes disposed to face each other, having the dielectric layer therebetween; and
external electrodes formed on an outer side of the ceramic body and respectively electrically connected to the internal electrodes,
the internal electrodes including a single ceramic layer therein.
2. The multilayered ceramic electronic component of claim 1, wherein the internal electrodes include two metal layers and a single ceramic layer formed between the two metal layers.
3. The multilayered ceramic electronic component of claim 1, wherein the two metal layers include nickel (Ni).
4. The multilayered ceramic electronic component of claim 1, wherein the ceramic layer has a thickness corresponding to 10% to 30% of a thickness of the internal electrode.
5. The multilayered ceramic electronic component of claim 1, wherein the ceramic layer includes barium titanate (BaTiO3).
6. The multilayered ceramic electronic component of claim 1, wherein the number of multilayered dielectric layers is 100 to 1000.
7. A fabricating method of a multilayered ceramic electronic component, the fabricating method comprising:
preparing ceramic green sheets including dielectric layers;
forming an internal electrode pattern on the ceramic green sheet by using a conductive paste for an internal electrode including a conductive metal powder and a ceramic powder;
multilayering and sintering the green sheets respectively having the internal electrode pattern formed thereon to form a ceramic body including internal electrodes therein, the internal electrodes being disposed to face each other; and
forming external electrodes on upper and lower surfaces of the ceramic body and at end surfaces thereof,
the forming of the internal electrode pattern being performed by forming a first metal layer on the ceramic green sheet, forming a ceramic layer on the first metal layer, and forming a second metal layer on the ceramic layer.
8. The fabricating method of claim 7, wherein the internal electrodes include two metal layers and a single ceramic layer formed between the two metal layers.
9. The fabricating method of claim 7, wherein the conductive metal powder is at least one of silver (Ag), lead (Pb), platinum (Pt), nickel (Ni), and copper (Cu).
10. The fabricating method of claim 7, wherein the ceramic layer has a thickness corresponding to 10% to 30% of a thickness of the internal electrode.
11. The fabricating method of claim 7, wherein the ceramic layer is printed by at least one method selected from a group consisting of a screen printing method, a chemical vapor deposition (CVD) method, and a physical vapor deposition (PVD) method.
12. The fabricating method of claim 7, wherein the ceramic layer includes barium titanate (BaTiO3).
13. The fabricating method of claim 7, wherein the number of multilayered dielectric layers is 100 to 1000.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An apparatus for controlling flow of a fluid in a fluid conduit, comprising:
a closure member;
a biasing member applying a biasing force to the closure member;
a sealing member receiving the closure member, a fluid seal being formed in the fluid conduit when the biasing member presses the closure member against the sealing member; and
a dampener operatively connected to the closure member, the dampener resisting a force applied to the closure member.
2. The apparatus of claim 1, wherein the dampener includes a fluid body responsive to the movement of the closure member.
3. The apparatus of claim 2, wherein the dampener further includes a first chamber and a second chamber, the fluid body flowing between the first chamber and the second chamber in response to movement of the closure member.
4. The apparatus of claim 3, wherein the dampener further includes at least one flow control member controlling flow between the first and the second chamber.
5. The apparatus of claim 1, wherein the dampener includes one of: (i) a friction element, (ii) a magnetic element, (iii) an electro-magnetic element, (iv) a magnetorheological fluid, (v) and electrorheological fluid.
6. The apparatus of claim 1, further comprising a wellbore tubular in which the fluid conduit is formed, the closure member and sealing member cooperating to control fluid flow along the fluid conduit.
7. The apparatus of claim 6, further comprising a fluid circulation device configured to convey a drilling fluid through the fluid conduit.
8. The apparatus of claim 7, wherein:
the closure member and sealing member cooperate to form a seal when the fluid circulation device is deactivated;
the dampener is configured to resist the biasing force applied by the biasing member to the closure device after the fluid circulation device is deactivated; and
the dampener is further configured to resist a pressure applied to the closure member by a fluid in the flow conduit.
9. The apparatus of claim 1, further comprising an actuator configured to control the force applied to the closure member.
10. The apparatus of claim 9, wherein the actuator is configured to adjust one of: (i) the biasing force, and (ii) the dampening force.
11. The apparatus of claim 9, further comprising a controller operatively coupled to the actuator, the controller being responsive to: (i)a signal generated at a surface location, (ii) a signal generated at a downhole location, (iii) a signal generated by a sensor.
12. A method for controlling flow of a fluid, comprising:
positioning a sealing member and a closure member along a flow path of the flowing fluid;
applying a compressive force on the sealing member using a biasing member; and
resisting a force applied to the closure member using a dampener.
13. The system of claim 12, further comprising controlling the force applied to the closure member using an actuator.
14. The method of claim 12, further comprising flowing the fluid in a wellbore tubular, and controlling the fluid flow in the wellbore tubular using the closure member and sealing member.
15. The method of claim 14, further comprising conveying a drilling fluid through the wellbore tubular using a fluid circulation device.
16. The method of claim 15, further comprising:
forming a seal when the fluid circulation device is deactivated using the closure member and sealing member;
resisting the compressive force applied by the biasing member to the closure device after the fluid circulation device is deactivated using the dampener; and
resisting a pressure applied to the closure member by a fluid in the flow conduit using the dampener.
17. A system for controlling flow of a fluid, comprising:
a platform;
a drill string conveyed into a wellbore from the platform;
a fluid circulation system configured to flow a drilling fluid into the drill string, wherein the drilling fluid returns from the wellbore via an annulus of the wellbore;
a flow control device positioned along the wellbore for controlling the flow of the drilling fluid, the flow control device including:
a closure member;
a biasing member applying a biasing force to the closure member;
a sealing member receiving the closure member, a fluid seal being formed when the biasing member presses the closure member against the sealing member; and
a dampener operatively connected to the closure member, the dampener resisting a force applied to the closure member.
18. The system of claim 17, wherein the dampener includes a fluid body responsive to the movement of the closure member.
19. The system of claim 18, wherein the dampener further includes a first chamber and a second chamber, the fluid body flowing between the first chamber and the second chamber in response to movement of the closure member.