A muffler for a combustion engine includes walls forming a chamber, a first inlet, a first outlet, and a conduit. The first inlet is designed to receive exhaust gases from an exhaust duct of the engine. The exhaust gases pass through the chamber when moving from the first inlet to the first outlet.
A muffler for a combustion engine includes walls forming a chamber, a first inlet, a first outlet, and a conduit. The first inlet is designed to receive exhaust gases from an exhaust duct of the engine. The exhaust gases pass through the chamber when moving from the first inlet to the first outlet. The exhaust gases then exit the muffler through the first outlet. The conduit extends between a second inlet and a second outlet. The second inlet is configured to receive fresh air entering the muffler. The fresh air then exits the conduit and is introduced into the exhaust gases through the second outlet.
대표청구항▼
1. A muffler for exhaust gases of a combustion engine, comprising: walls forming a chamber through which the exhaust gases pass;a first inlet in the walls of the chamber configured to receive the exhaust gases from an exhaust duct of the engine;a first outlet in the walls of the chamber through whic
1. A muffler for exhaust gases of a combustion engine, comprising: walls forming a chamber through which the exhaust gases pass;a first inlet in the walls of the chamber configured to receive the exhaust gases from an exhaust duct of the engine;a first outlet in the walls of the chamber through which the exhaust gases exit the chamber;a conduit having a second inlet and a second outlet, the second inlet extending through the walls of the chamber, the conduit extending through the chamber, and the second outlet extending through the walls of the chamber into the first inlet;wherein, the second outlet of the conduit is located outside of the chamber. 2. The muffler of claim 1, wherein a portion of the conduit is positioned within the chamber such that heat is transferred through the conduit from the exhaust gases to the fresh air during operational use of the muffler. 3. The muffler of claim 2, wherein the portion of the conduit does not contact the walls. 4. The muffler of claim 3, wherein the first inlet comprises a tube that extends from the walls and is configured to be inserted into the exhaust duct of the engine. 5. The muffler of claim 4, wherein the conduit extends to the first inlet. 6. The muffler of claim 5, wherein the second outlet comprises a plurality of small openings configured to distribute the fresh air into the exhaust gases entering the first inlet. 7. The muffler of claim 6, wherein the conduit extends through the tube of the first inlet. 8. The muffler of claim 7, wherein the second outlet extends further from the walls than the tube of the first inlet. 9. The muffler of claim 8, wherein the conduit is a pipe, and wherein the second inlet is a first end of the pipe, and the second outlet comprises a second end of the pipe that has been pinched closed, and wherein the plurality of small openings are proximate to the second end. 10. The muffler of claim 9, wherein the walls form sides of the muffler, and wherein the first outlet and the second inlet are on different sides of the muffler. 11. A muffler for exhaust gases of a combustion engine, comprising: walls forming a chamber through which the exhaust gases pass;a first inlet in the walls of the chamber configured to receive the exhaust gases from an exhaust duct of the engine;a first outlet in the walls of the chamber through which the exhaust gases exit the chamber;a second inlet configured to receive fresh air entering the muffler;a second outlet configured to introduce the fresh air into the exhaust gases; anda conduit extending between the second inlet and the second outlet,the second inlet extending through the walls of the chamber, the conduit extending through the chamber such that heat is transferred from the exhaust gases to the fresh air during operational use of the muffler, and the second outlet extending through the walls of the chamber into the first inlet;wherein, the second outlet of the conduit is located outside of the chamber. 12. The muffler of claim 11, wherein the first inlet comprises a tube extending from the walls, and wherein the second outlet extends further from the walls than the tube of the first inlet. 13. The muffler of claim 12, wherein the second outlet comprises a plurality of small openings configured to distribute the fresh air in the exhaust gases entering the first inlet. 14. The muffler of claim 13, wherein the second inlet is an open end of the conduit that is at least one of open to the atmosphere, coupled to a fan, coupled to a pump, and connected to a valve. 15. The muffler of claim 14, wherein the conduit comprises a second end that has been pinched closed, and wherein the plurality of small openings are proximate to the second end. 16. The muffler of claim 1, wherein the conduit forms a loop within the chamber. 17. The muffler of claim 1, wherein a substantial length of the conduit is positioned within the chamber. 18. The muffler of claim 11, wherein the portion of the conduit includes a loop. 19. The muffler of claim 11, wherein the portion of the conduit is a substantial length of the conduit. 20. The muffler of claim 11, wherein a second portion of the conduit extends between the second inlet and the chamber and a length of the second portion is less than a length of the portion of the conduit positioned within the chamber.
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