1. In combination with an enclosure having a pair of end walls, a pair of side walls, and a roof, comprising:
a dual fuel gas turbine in said enclosure;
said gas turbine including a circumferential array of combustors;
each of said combustors having a gaseous fuel line and a liquid fuel line in communication therewith for supplying either gaseous fuel or liquid fuel thereto;
each of said liquid fuel lines having a check valve imposed therein which is open when said gas turbine is being fueled with liquid fuel and which is closed when said gas turbine is being fueled with gaseous fuel;
an air blower having an inlet end and an air discharge end;
said air inlet end of said air blower being in communication with ambient air outside of the enclosure;
and a cooling air conduit having an air inlet end in operative communication with said discharge end of said air blower and an air discharge end which directs ambient air onto at least some of said check valves to cool the same.
2. The combination of claim 1 wherein said cooling air conduit comprises an air manifold which supplies ambient air onto a plurality of check valves.
3. The combination of claim 1 wherein a fire damper door selectively closes said air inlet end of said air conduit.
4. The combination of claim 3 wherein said door is pivotally mounted at said air inlet end and is movable between open and closed positions.
5. The combination of claim 3 wherein said air plenum is mounted over said door to enclose the same and wherein said air blower is mounted on said air plenum so that said discharge end of said air blower is in communication with the interior of said air plenum.
6. The combination of claim 5 wherein said air plenum has an access door provided therein to permit access to said door.
7. The combination of claim 4 wherein a solenoid actuator is connected to said door for pivotally moving said door.
8. The combination of claim 2 wherein said air manifold includes a pair of air inlet ends which are positioned in opposite walls of the enclosure and wherein an air blower is operatively connected to each of said air inlet ends.
9. The combination of claim 8 wherein said air manifold includes a plurality of pipes which extend to said check valves.
10. The combination of claim 9 wherein said air discharges ends of said pipes at least partially surround said check valves.
11. In combination with an enclosure, comprising:
a dual fuel gas turbine in said enclosure;
said gas turbine including a circumferential array of combustors;
each of said combustors having a gaseous fuel line and a liquid fuel line in communication therewith for supplying either gaseous fuel or liquid fuel thereto;
each of said liquid fuel lines having a check valve imposed therein which is open when said gas turbine is being fueled with liquid fuel and which is closed when said gas turbine is being fueled with gaseous fuel;
an air blower having an air inlet end and an air discharge end;
said air inlet end of said air blower being in communication with ambient air outside of the enclosure;
an air manifold positioned within said enclosure and having at least one air inlet end which is in communication with said air discharge end of said air blower;
said air manifold having a plurality of pipes, having air discharge ends, which extend to at least some of said check valves so that ambient air from said air blower is directed onto said check valves to cool the same.
12. The combination of claim 11 wherein the enclosure includes walls and wherein said air manifold includes a pair of air inlet ends positioned in the walls of the enclosure.
13. The combination of claim 11 wherein a fire damper door selectively closes said air inlet end of said air manifold.
14. The combination of claim 12 wherein a fire damper door selectively closes each of said air inlet ends of said air manifold.
15. The combination of claim 14 wherein said air plenum is mounted over said door to enclose the same and wherein said air blower is mounted on said air plenum so that said discharge end of said air blower is in communication with the interior of said air plenum.
16. The combination of claim 15 wherein said air plenum has an access door provided therein to permit access to said door.
17. The combination of claim 11 wherein said air discharge ends of said pipes at least partially surround said check valves.
18. In combination with a dual fuel gas turbine positioned within an enclosure, the gas turbine including a circumferential array of combustors; each of the combustors having a gaseous fuel line and a liquid fuel line in communication therewith for supplying either gaseous fuel or liquid fuel thereto; each of the liquid fuel lines having a check valve imposed therein which is open when the gas turbine is being fueled with liquid fuel and which is closed when the gas turbine is being fueled with gaseous fuel, comprising:
a cooling air conduit having an air inlet end in communication with a source of forced ambient air outside of the enclosure and an air discharge end which directs ambient air onto at least some of the check valves to cool the same.
19. The combination of claim 18 wherein said source of forced ambient air comprises an air blower.
20. The combination of claim 18 wherein said cooling air conduit comprises an air manifold which supplies forced ambient air onto a plurality of check valves.
21. The combination of claim 18 wherein a fire damper door selectively closes said air inlet end of said air conduit.
22. The combination of claim 21 wherein said door is pivotally mounted at said air inlet end and is movable between open and closed positions.
23. The combination of claim 22 wherein a solenoid actuator is connected to said door for pivotally moving said door.
24. The combination of claim 22 wherein said air plenum is mounted over said door to enclose the same and wherein said air blower is mounted on said air plenum so that said discharge end of said air blower is in communication with the interior of said air plenum.
25. The combination of claim 24 wherein said air plenum has an access door provided therein to permit access to said door.
26. The combination of claim 20 wherein said air manifold includes a pair of air inlet ends which are positioned in opposite walls of the enclosure and wherein each of said air inlet ends is in communication with an air blower.
27. The combination of claim 20 wherein said air manifold includes a plurality of pipes which extend to the check valves.
28. The combination of claim 27 wherein said air discharges ends of said pipes at least partially surround the check valves.
29. The method of cooling a liquid fuel check valve of a dual fuel gas turbine positioned in an enclosure, comprising the steps of:
providing an air inlet opening in the enclosure;
providing an air conduit means having air inlet and air discharge ends;
providing a source of forced cooling air;
connecting said air inlet end of said air conduit means to said source of forced cooling air;
positioning said air discharge end of said air conduit means with respect to said check valve so that the cooling air being discharged from said air discharge end of said air conduit means will pass over said check valve to cool the same.
30. The method of claim 29 wherein the source of forced cooling air comprises an air blower.
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 method for manufacturing a reinforced cellular material, the method comprising:
variably aligning a needle relative to a perpendicular axis of the cellular material by an arbitrary angle between 0 and 90 degrees;
producing a through-hole in the cellular material comprising foam material, by piercing the cellular material with the needle, wherein the through-hole extends from a first surface of the cellular material to a second surface of the cellular material;
making available at least one fiber bundle on the other side of the second surface of the cellular material;
reaching through the through-hole from the first surface to take hold of the at least one fiber bundle with the needle; and
pulling the at least one fiber bundle with the needle into the through-hole in the cellular material;
wherein the pulling step comprises pulling the at least one fiber bundle through a funnel-shaped nozzle prior to pulling the at least one fiber bundle through the cellular material,
wherein the through-hole is produced with a cross-sectional surface such that the at least one fiber bundle is compressed while being pulled through; and
wherein an orientation of the through-hole is configured to be individually adapted by varying the alignment of the needle such that the at least one fiber bundle is pulled into the cellular material with the needle at the arbitrary angle.
2. The method of claim 1,
wherein the needle is essentially inserted into the through-hole in the cellular material such that the needle is followed by the at least one fiber bundle.
3. The method of claim 1, further comprising:
shearing off the at least one fiber bundle pulled into the through-hole such that the at least one fiber bundle ends flush with at least one of the first and second surfaces; or
placing the at least one fiber bundle pulled into the through-hole against at least one of the first and second surfaces.
4. The method of claim 1, further comprising:
forming or arranging a cover layer on at least one of the first and second surfaces.
5. The method of claim 1, further comprising:
filling the through-hole containing the at least one fiber bundle with a matrix system.
6. The method of claim 1,
wherein the method begins anew after the at least one fiber bundle was pulled into the through-hole in the cellular material.
7. The method of claim 1,
wherein the reaching through the through-hole is simultaneously performed with the producing of the through-hole.
8. The method of claim 1,
wherein the at least one fiber bundle is taken hold of by being hooked in the needle.
9. The method of claim 8,
wherein an inner wall of the through-hole is prevented from being damaged by the needle with a closing mechanism configured for closing an eyelet.
10. The method of claim 1,
wherein the through-hole is produced with a cross-sectional surface smaller than double the thickness of the fiber bundle to be pulled therethrough such that the fiber bundle is compressed while being pulled through.
11. The method of claim 1,
wherein the reaching-through is simultaneously performed with the producing of the through-hole.
12. The method of claim 1, wherein the cellular material comprises a cover layer,
wherein the through-hole is formed in the cover layer by the needle, and
wherein, after pulling the at least one fiber bundle with the needle into the through-hole in the cellular material, ends of the at least one fiber bundle are either (i) placed flatly against, and bonded to, the cover layer, or (ii) cut off flush with the cover layer.
13. The method of claim 1, wherein the at least one fiber bundle is made available in a straight, stretched-out fashion in the vicinity of the second surface.
14. The method of claim 1, wherein the producing the through-hole in the cellular material comprises simultaneously piercing the cellular material with a plurality of needles, and
wherein making at least one fiber bundle available comprises making a corresponding number of fiber bundle available.
15. A method for manufacturing a reinforced cellular material, the method comprising:
variably aligning a needle relative to a perpendicular axis of the cellular material by an arbitrary angle which is between 0 and 90 degrees;
producing a through-hole in the cellular material, which comprises foam material, by piercing the cellular material with the needle, wherein the through-hole extends from a first surface of the cellular material to a second surface of the cellular material;
making available at least one fiber bundle on the other side of the second surface of the cellular material;
reaching through the through-hole from the first surface to take hold of the at least one fiber bundle with the needle; and
pulling the at least one fiber bundle with the needle into the through-hole in the cellular material such that the needle is followed by the at least one fiber bundle;
wherein the pulling step comprises pulling the at least one fiber bundle through a funnel-shaped nozzle prior to pulling the at least one fiber bundle through the cellular material,
wherein the through-hole is produced with a cross-sectional surface such that the at least one fiber bundle is compressed while being pulled through; and
wherein an orientation of the through-hole is configured to be individually adapted by varying the alignment of the needle such that the at least one fiber bundle is pulled into the cellular material with the needle at the arbitrary angle.
16. A method for manufacturing a reinforced cellular material, the method comprising:
variably aligning a needle relative to a perpendicular axis of the cellular material by an arbitrary angle which is between 0 and 90 degrees;
producing a through-hole in the cellular material, which comprises foam material, by piercing the cellular material with the needle, wherein the through-hole extends from a first surface of the cellular material to a second surface of the cellular material;
making available at least one fiber bundle on the other side of the second surface of the cellular material;
reaching through the through-hole from the first surface to take hold of the at least one fiber bundle with the needle; and
pulling the at least one fiber bundle with the needle into the through-hole in the cellular material;
wherein the pulling step comprises pulling the at least one fiber bundle through a funnel-shaped nozzle prior to pulling the at least one fiber bundle through the cellular material,
wherein the individual fibers of the at least one fiber bundle are essentially aligned straight and tightly pressed against one another in the through-hole; and
wherein an orientation of the through-hole is configured to be individually adapted by varying the alignment of the needle such that the at least one fiber bundle is pulled into the cellular material with the needle at the arbitrary angle.
17. A method for manufacturing a reinforced cellular material, the method comprising:
producing a through-hole in the cellular material that extends from a first surface of the cellular material to a second surface of the cellular material;
making available at least one fiber bundle on the other side of the second surface of the cellular material;
reaching through the through-hole from the first surface to take hold of the at least one fiber bundle;
pulling the at least one fiber bundle into the through-hole in the cellular material; and
pulling the at least one fiber bundle through a funnel-shaped nozzle prior to pulling the at least one fiber bundle through the cellular material.
18. The method of claim 17,
wherein the through-hole is produced by piercing the cellular material with a needle.
19. The method of claim 18,
wherein the at least one fiber bundle is taken hold of by being hooked in the needle.
20. The method of claim 19,
wherein the needle is essentially inserted into the through-hole in the cellular material such that the needle is followed by the at least one fiber bundle.
21. The method of claim 18,
wherein the through-hole is produced with a cross-sectional surface smaller than double the thickness of the fiber bundle to be pulled therethrough such that the fiber bundle is compressed while being pulled through.
22. The method of claim 17, furthermore comprising the steps of:
shearing off the at least one fiber bundle pulled into the through-hole such that the fiber bundle ends flush with at least one of the first and second surfaces; or
placing the at least one fiber bundle pulled into the through-hole against at least one of the first and second surfaces.
23. The method of claim 17, furthermore comprising the step of:
forming or arranging a cover layer on at least one of the first and second surfaces.
24. The method of claim 17, furthermore comprising the step of:
filling the through-hole containing the at least one fiber bundle with a matrix system.
25. The method of claim 17,
wherein the method begins anew after the at least one fiber bundle was pulled into the cross-sectional in the cellular material.