An injector mounting assembly for supporting an injector is described. The injector mounting assembly includes an upstream wall and a downstream wall coupled to the upstream wall. The injector mounting assembly further includes a thermoelectric cooler coupled to at least one of the upstream wall and
An injector mounting assembly for supporting an injector is described. The injector mounting assembly includes an upstream wall and a downstream wall coupled to the upstream wall. The injector mounting assembly further includes a thermoelectric cooler coupled to at least one of the upstream wall and the downstream wall. The thermoelectric cooler is disposed in thermal contact with the injector and configured to exchange heat with the injector.
대표청구항▼
1. An injector mounting assembly for supporting an injector and configured for mounting in an exhaust line having an exhaust flow, the injector mounting assembly comprising: an upstream wall extending at least partially into the exhaust line and disposed in the exhaust flow;a downstream wall coupled
1. An injector mounting assembly for supporting an injector and configured for mounting in an exhaust line having an exhaust flow, the injector mounting assembly comprising: an upstream wall extending at least partially into the exhaust line and disposed in the exhaust flow;a downstream wall coupled to and located downstream of the upstream wall, the downstream wall extending at least partially into the exhaust line and disposed in the exhaust flow; anda thermoelectric cooler coupled to at least one of the upstream wall and the downstream wall, the thermoelectric cooler disposed in thermal contact with the injector and configured to exchange heat therewith. 2. The injector mounting assembly of claim 1, wherein the thermoelectric cooler is configured to extract heat from the injector. 3. The injector mounting assembly of claim 1, wherein the thermoelectric cooler includes a cold side and a hot side, and wherein the cold side is disposed in thermal contact with the injector. 4. The injector mounting assembly of claim 1, wherein the upstream wall includes an interior surface facing the exhaust line and an exterior surface opposite to the interior surface, and wherein the thermoelectric cooler is coupled to the exterior surface of the upstream wall. 5. The injector mounting assembly of claim 1 further comprising: a thermoelectric generator, wherein the thermoelectric generator is configured to absorb heat from the exhaust flow to generate an electric current, and wherein the generated electric current is used to power the thermoelectric cooler. 6. The injector mounting assembly of claim 1, wherein the thermoelectric generator is coupled to the downstream wall. 7. The injector mounting assembly of claim 1, wherein the thermoelectric cooler is embedded in the upstream wall. 8. The injector mounting assembly of claim 7, wherein the thermoelectric cooler is embedded in the upstream wall by a layer manufacturing technique. 9. The injector mounting assembly of claim 1, wherein the thermoelectric cooler is integral to the upstream wall. 10. The injector mounting assembly of claim 9, wherein the thermoelectric cooler is formed with the upstream wall by a molding or a stamping process. 11. An exhaust after-treatment system comprising: an exhaust line with a curved portion and having an exhaust flow;an injector mounting assembly formed in the curved portion, the injector mounting assembly comprising: an upstream wall extending at least partially into the curved portion and disposed in the exhaust flow, the upstream wall having an interior surface and an exterior surface opposite the interior surface;a downstream wall coupled to and located downstream of the upstream wall, the downstream wall extending at least partially into the curved portion and disposed in the exhaust flow, the downstream wall including a plurality of bosses;a recess extending from the downstream wall;a recess aperture formed in the recess; anda thermoelectric cooler coupled to the exterior surface of the upstream wall; andan injector including a nozzle, aligned with the recess aperture, and a plurality of feet, wherein each of the plurality of bosses extends toward an associated one of the plurality of feet to support the injector in the injector mounting assembly;wherein the thermoelectric cooler is disposed in thermal contact with the injector to exchange heat therewith. 12. The injector mounting assembly of claim 11, wherein the thermoelectric cooler includes a cold side and a hot side, and wherein the cold side is disposed in thermal contact with the injector to extract heat therefrom. 13. The injector mounting assembly of claim 11 further comprising: a thermoelectric generator coupled to the downstream wall, wherein the thermoelectric generator is configured to absorb heat from the exhaust flow to generate an electric current, and wherein the generated electric current is used to power the thermoelectric cooler. 14. The injector mounting assembly of claim 11, wherein the thermoelectric cooler is embedded in the upstream wall by a layer manufacturing technique. 15. The injector mounting assembly of claim 11, wherein the thermoelectric cooler is integrally formed with the upstream wall by a molding or a stamping process. 16. An injector mounting assembly for supporting an injector and configured for mounting in an exhaust line having an exhaust flow, the injector mounting assembly comprising: a first wall having a first inner surface and a first outer surface, the first inner surface disposed in thermal contact with the exhaust line;a second wall extending from the first outer surface in a direction away from the exhaust line and configured to support the injector, the second wall having a second inner surface and a second outer surface; anda thermoelectric cooler coupled to the second wall and disposed in thermal contact with the injector, the thermoelectric cooler configured to exchange heat with the injector. 17. The injector mounting assembly of claim 16, wherein the thermoelectric cooler includes a cold side and a hot side, and wherein the thermoelectric cooler is configured to extract heat from the injector via the cold side. 18. The injector mounting assembly of claim 17, wherein the thermoelectric cooler is coupled to the second wall such that the cold side is in thermal contact with the second outer surface. 19. The injector mounting assembly of claim 17, wherein the thermoelectric cooler is coupled to the second wall such that the cold side is in thermal contact with the injector and the hot side is in thermal contact with the second inner surface. 20. The injector mounting assembly of claim 16 further comprising a thermoelectric generator coupled to the first wall, wherein the thermoelectric generator is configured to absorb heat from the exhaust flow via the first inner surface of the first wall to generate an electric current, and wherein the generated electric current is used to power the thermoelectric cooler.
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