Low loss hydrocarbon (HC) adsorber device for air induction system
View Patent ↗A hydrocarbon trapping device including an adsorbing element of a material configured to adsorb hydrocarbons from the air and a support connected to the adsorbing element is provided. The adsorbing element includes first and second opposing ends, and the support includes an embedded portion located within the adsorbing element between the first and second ends to reinforce the adsorbing element.
1. A hydrocarbon trapping device comprising:
an adsorbing element of a hydrocarbon adsorbing material, the adsorbing element having opposed first and second ends and a plurality of channels extending between the first and second ends;
a support connected to the adsorbing element, the support having an embedded portion located within the adsorbing element between the first and second ends; whereby the support provides reinforcement for the hydrocarbon adsorbing material; and
a pliable material located between the adsorbing element and the embedded portion of the support.
2. A hydrocarbon trapping device as in claim 1 , wherein the pliable material is a fibrous mat.
3. A hydrocarbon trapping device comprising:
an adsorbing element of a hydrocarbon adsorbing material, the adsorbing element having opposed first and second ends and a plurality of channels extending between the first and second ends;
a support connected to the adsorbing element, the support having an embedded portion located within the adsorbing element between the first and second ends; whereby the support provides reinforcement for the hydrocarbon adsorbing material;
wherein the support includes an end extending axially beyond one of the first and second ends of the adsorbing element, wherein the end of the support includes a tapered surface.
4. A hydrocarbon trapping device as in claim 3 , the support and the adsorbing element are in press-fit engagement with one another, the engagement extending substantially along an entire length of the embedded portion.
5. A hydrocarbon trapping device as in claim 3 , wherein the embedded portion is within a central region of the adsorbing element.
6. A hydrocarbon trapping device as in claim 3 , wherein the embedded portion is completely within the central region of the adsorbing element.
7. A hydrocarbon trapping device as in claim 5 , wherein the embedded portion extends from the central region of the adsorbing element to an outer surface of the adsorbing element.
8. A hydrocarbon trapping device as in claim 3 , wherein the end of the support includes a rounded surface.
9. A hydrocarbon trapping device as in claim 3 , further comprising a strut having a first end connected to the support and extending outward therefrom.
10. A hydrocarbon trapping device as in claim 9 , wherein the strut extends radially outward from the support.
11. A hydrocarbon trapping device as in claim 10 , the strut having a rounded surface.
12. A hydrocarbon trapping device as in claim 3 , wherein the support includes a second end extending axially beyond the other of the first and second ends of the adsorbing element.
13. A hydrocarbon trapping device as in claim 12 , wherein the first end of the support tapers in a decreasing diameter away from the first end of the adsorbing element.
14. A hydrocarbon trapping device as in claim 13 , wherein the second end of the support tapers in a decreasing diameter away from the second end of the adsorbing element.
15. A hydrocarbon trapping device as in claim 3 , further comprising a conduit in fluid connection with, and configured to deliver air to, an air intake system; the adsorbing element located within the conduit.
16. A hydrocarbon trapping device as in claim 15 , the support and the adsorbing element are in press-fit engagement with one another, the engagement extending substantially along an entire length of the embedded portion.
17. A hydrocarbon trapping device as in claim 16 , further comprising a pliable material located between the adsorbing element and the support.
18. A hydrocarbon trapping device as in claim 15 , wherein the embedded portion is within a central region of the adsorbing element.
19. A hydrocarbon trapping device as in claim 18 , wherein the embedded portion is completely within the central region of the adsorbing element.
20. A hydrocarbon trapping device as in claim 18 , wherein the embedded portion extends from the central region of the adsorbing element to an outer surface of the adsorbing element.
21. A hydrocarbon trapping device as in claim 15 , wherein the support includes an end extending axially beyond one of the first and second ends of the adsorbing element.
22. A hydrocarbon trapping device as in claim 21 , wherein the end of the support includes a tapered surface.
23. A hydrocarbon trapping device as in claim 15 , further comprising a strut having a first end connected to the support and a second end engaging the conduit.
24. A hydrocarbon trapping device as in claim 23 , the strut having a rounded surface.
25. A hydrocarbon trapping device as in claim 21 , wherein the support includes a second end extending axially beyond the other of the first and second ends of the adsorbing element.
26. A hydrocarbon trapping device as in claim 25 , wherein the first end of the support tapers in a decreasing diameter away from the first end of the adsorbing element.
27. A hydrocarbon trapping device as in claim 26 , wherein the second end of the support tapers in a decreasing diameter away from the second end of the adsorbing element.
28. A hydrocarbon trapping device for an air intake system, the hydrocarbon trapping device comprising:
a conduit comprising a single passageway in fluid connection with, and configured to deliver air to, the air intake system;
an adsorbing element located within the conduit, the adsorbing element including a hydrocarbon adsorbing material, the adsorbing element having opposed first and second ends and a plurality of channels extending between the first and second ends;
a support connected to the adsorbing element, the support having an embedded portion located within the adsorbing element between the first and second ends: whereby the support provides reinforcement for the hydrocarbon adsorbing material;
the conduit including a first portion having a first diameter and a second portion having a second diameter, wherein the second diameter is greater than the first diameter and the adsorbing element is located within the second portion of the conduit.