1. A computer-implemented method of managing a number of concurrent connections using an asynchronous connection between a client and a server, wherein the client has made a first connection to the server, the method comprising:
receiving input of a user that requests the first connection to the server;
obtaining a time interval for a second connection from the server;
presenting content during the time interval if the time interval is longer than a predetermined length of time, the presented content changing based at least in part on the user interacting with the presented content;
storing information about interaction, by the user, with the presented content in a local memory of the client;
requesting the second connection to the server after the time interval passes from the first connection;
receiving the information about interaction, by the user, with the presented content; and
updating the time interval for a subsequent connection based at least in part on the information about interaction, by the user, with the presented content.
2. The computer-implemented method of claim 1, wherein the content includes first rounds of a contest.
3. The computer-implemented method of claim 2, wherein the first rounds of the contest are designed to throttle a certain number of users who can participate in a promotion.
4. The computer-implemented method of claim 3, wherein for at least one round from the first rounds, the user is provided an offer in exchange for forfeiting further participation in the contest.
5. The computer-implemented method of claim 2, wherein the first rounds of the contest are designed to reduce traffic within the server at a given time.
6. The computer-implemented method of claim 1, wherein the content is presented in response to the input of the user.
7. The computer-implemented method of claim 1, wherein the time interval is obtained based on a default time interval.
8. The computer-implemented method of claim 1, wherein the time interval is determined by the server.
9. The computer-implemented method of claim 1, further comprising: when the second connection is rejected from the server, updating the time interval.
10. The computer-implemented method of claim 1, further comprising:
obtaining the content at the client from a third party service provider; and
enabling the user to interact with the content on the client during the time interval.
11. The computer-implemented method of claim 1, further comprising:
upon connecting to the server,
receiving server information from the server;
presenting the server information to the user; and
updating the time interval when the server information includes a new time interval.
12. A computer system for managing traffic associated with a Web server, comprising:
one or more processors; and
memory, including instructions executable by the one or more processors to cause the computer system to at least:
monitor traffic associated with a Web server to detect an event that indicates peak traffic;
upon detecting the event, determine a first time interval between connections from a client based on capacity of the Web server;
establish a first connection with the client in response to a first connection request;
transfer information about the first time interval and interactive content to the client after the first connection, the interactive content configured to allow a user to interact with the client during the first time interval, the interactive content changing based at least in part on the user interacting with the interactive content;
cause data about the user interaction with the interactive content to be stored in a local memory of the client, the data about the user interaction with the interactive content including a request for additional interactive content;
establish a second connection with the client, the second connection being requested from the client after the first time interval has expired;
receive, from the client, the data about the user interaction with the interactive content; and
update a second time interval for the second connection when the received data about the user interaction with the interactive content indicates that the second time interval is to be updated.
13. The computer system of claim 12, wherein the instructions further cause the computer system to transfer the second time interval to the client.
14. The computer system of claim 12, wherein the interactive content includes at least one of media content, catalog information, promotion information or game content.
15. The computer system of claim 12, wherein the instructions further cause the computer system to transfer new interactive content to the client based at least in part on the received data about the user interaction with the interactive content.
16. One or more non-transitory computer-readable storage media having collectively stored thereon executable instructions that, when executed by one or more processors of a computing resource provider’s computer system, cause the computer system to at least:
receive input of a user indicating a request for a first connection to a server associated with the computer system;
obtain a time interval for a next connection;
present interactive content during the time interval;
receive information about interactions, by the user, with the presented interactive content, the interactive content changing based at least in part on the user interacting with the interactive content;
store the information about interactions, by the user, with the presented interactive content in local memory of the computer system, the information about interactions including a request for additional interactive content;
request a second connection to the server after the time interval passes;
at a time after obtaining the second connection to the server:
transmit the information about interactions to the server; and
receive server information from the server; and
update the time interval for a subsequent connection to the second connection when the received server information indicates that the time interval should be updated.
17. The non-transitory storage media of claim 16, wherein the second connection is requested based at least in part on the information about interactions, by the user, with the presented interactive content.
18. The non-transitory storage media of claim 16, wherein the time interval is obtained based on a default time interval.
19. The non-transitory storage media of claim 16, wherein the instructions further cause the computer system to at least:
obtain the presented interactive content from a third party service provider; and
enable the user to locally interact with the presented interactive content during the time interval.
20. The non-transitory storage media of claim 16, wherein the time interval is determined by the server.
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 of repairing a gas turbine vane and nozzle assembly, the method comprising the steps of:
fabricating a repair cover, wherein the step of fabricating the repair cover comprises the steps of:
providing an alloy sheet material;
machining a hole through the alloy sheet material for receiving a spoolie boss;
providing a spoolie boss;
inserting the spoolie boss into the machined hole; and
attaching the spoolie boss securely to the sheet material surrounding the machined hole so that the spoolie boss is adapted to permit the passage of a cooling gas into a plenum chamber for conveyance to a plurality of cooling openings in at least one vane when the repair cover is attached to a vane and nozzle assembly;
removing an undesired plenum cover from the plenum casting of a vane and nozzle assembly, wherein the undesired plenum cover is adapted to direct the flow of the cooling gas into a plenum chamber for conveyance to a plurality of cooling openings in the at least one vane;
positioning the repair cover over a plenum casting of the vane and nozzle assembly, the repair cover in a desired alignment with the vane assembly; and
attaching the repair cover to the plenum casting of the vane and nozzle assembly to form a repaired nozzle and vane assembly having a plenum chamber for conveyance of cooling gas to a plurality of cooling openings in the at least one vane.
2. The method of claim 1, wherein the sheet material and the spoolie boss are comprised of a high-temperature alloy selected from the group consisting of iron-based superalloys, nickel-based superalloys, cobalt-based superalloys, and combinations thereof.
3. The method of claim 2, wherein the sheet material and the spoolie boss are comprised of an identical high-temperature alloy.
4. The method of claim 2, wherein the high-temperature alloy is comprised of between about 8 to about 10 weight percent Molybdenum, between about 20 percent to about 23 percent Chromium, between about 17 to about 20 weight percent Iron, between about 0.2 to about 1.0 weight percent Tungsten, between about 0.5 to about 2.5 weight percent Carbon, between 0 and about 1.0 weight percent Silicon, between 0 to about 1.0 weight percent Manganese, between 0 to about 1.0 weight percent Boron, between 0 to about 0.04 weight percent Phospohorus, between 0 to about 0.03 weight percent Sulfur, the balance Nickel.
5. The method of claim 1, wherein the step of attaching the spoolie boss to the sheet material comprises providing a brazing material, contacting the brazing material to the sheet material and the spoolie boss, and heating the brazing material to a temperature sufficient to reach the liquidus-solidus temperature of the brazing material.
6. The method of claim 5, wherein the step of attaching the spoolie boss to the sheet material comprises brazing using an activated diffusion healing method of brazing.
7. The method of claim 6, wherein spoolie boss and sheet material are both comprised of a cobalt-nickel alloy, wherein the brazing material is R80D15, and wherein the brazing is performed at about 2210 degrees Fahrenheit.
8. The method of claim 1,further comprising the step of machining a borescope hole through the sheet material prior to attachment of the spoolie boss.
9. The method of claim 1,further comprising the step of machining a borescope hole through the sheet material after attachment of the spoolie boss.
10. A pre-fabricated repair cover for repairing a nozzle and vane assembly previously in service in a gas turbine engine, the repair cover comprising:
an alloy sheet material,
a spoolie boss attached to the sheet material by braze material, the spoolie boss adapted to permit passage of a cooling gas into a plenum chamber of a nozzle and vane assembly for cooling of at least one vane of the nozzle and vane assembly.
11. The repair cover of claim 10, wherein the spoolie boss is attached using braze material selected from the group consisting of: wire, rod, strip, foli, powder, viscous mixtures of powder allow and binder, free flowing prealloyed powders, unsintered compacts, and pre-sintered compacts.
12. The repair cover of claim 11, wherein the sheet material and the spoolie boss are comprised of a high-temperature alloy selected from the group consisting of iron-based superalloys, nickel-based superalloys, cobalt-based superalloys, and combinations thereof.
13. The repair cover of claim 12, wherein the repair cover and the spoolie boss are comprised of an identical high-temperature alloy material.
14. The repair cover of claim 13, wherein the high-temperature alloy is comprised of between about 8 to about 10 weight percent Molybdenum, between about 20 percent to about 23 percent Chromium, between about 17 to about 20 weight percent Iron, between about 0.2 to about 1.0 weight percent Tungsten, between about 0.5 to about 2.5 weight percent Carbon, between 0 and about 1.0 weight percent Silicon, between 0 to about 1.0 weight percent Manganese, between 0 to about 1.0 weight percent Boron, between 0 to about 0.04 weight percent Phospohorus, between 0 to about 0.03 weight percent Sulfur, the balance Nickel.
15. The repair cover of claim 14, wherein the spoolie boss is attached to the sheet material by braze material selected from the group consisting of: re-sintered compacts of prealloyed powders; and unsintered compacts of prealloyed powders.
16. The repair cover of claim 10, wherein the repair cover further includes a borescope hole adapted to permit insertion of a borescope or other diagnostic tool through the repair cover to permit inspection of the vane and nozzle assembly after attachment of the repair cover to the assembly.
17. A repaired nozzle and vane assembly for a gas turbine engine, the repaired nozzle and vane assembly comprising:
an alloy sheet material
a spoolie boss attached to the sheet material by braze material to form a repair cover adapted to permit the passage of a cooling gas into a plenum chamber of a nozzle and vane assembly; and
a plenum casting attached to the repair cover to form a repaired nozzle and vane assembly for a gas turbine engine.
18. The repaired nozzle and vane assembly of claim 17, wherein the sheet material and the spoolie boss are comprised of a high-temperature alloy selected from the group consisting of iron-based superalloys, nickel-based superalloys, cobalt-based superalloys, and combinations thereof.
19. The repaired nozzle and vane assembly of claim 18, wherein the high-temperature alloy is comprised of between about 8 to about 10 weight percent Molybdenum, between about 20 percent to about 23 percent Chromium, between about 17 to about 20 weight percent Iron, between about 0.2 to about 1.0 weight percent Tungsten, between about 0.5 to about 2.5 weight percent Carbon, between 0 and about 1.0 weight percent Silicon, between 0 to about 1.0 weight percent Manganese, between 0 to about 1.0 weight percent Boron, between 0 to about 0.04 weight percent Phospohorus, between 0 to about 0.03 weight percent Sulfur, the balance Nickel.
20. The repaired nozzle and vane assembly of claim 18, wherein the repair cover further includes a borescope hole adapted to permit insertion of a borescope or other diagnostic tool through the repair cover to permit inspection of the plenum chamber of the vane and nozzle assembly.