Hydrogen-processing assemblies and hydrogen-producing systems and fuel cell systems including the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/22
C01B-003/02
출원번호
US-0157065
(2011-06-09)
등록번호
US-8157900
(2012-04-17)
발명자
/ 주소
Pledger, William A.
Popham, Vernon Wade
Studebaker, R. Todd
Taylor, Kyle
출원인 / 주소
Idatech, LLC
대리인 / 주소
Dascenzo Intellectual Property Law, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
213
초록▼
Hydrogen-processing assemblies, components of hydrogen-processing assemblies, and fuel-processing and fuel cell systems that include hydrogen-processing assemblies. The hydrogen-processing assemblies include a hydrogen-separation assembly positioned within the internal volume of an enclosure in a sp
Hydrogen-processing assemblies, components of hydrogen-processing assemblies, and fuel-processing and fuel cell systems that include hydrogen-processing assemblies. The hydrogen-processing assemblies include a hydrogen-separation assembly positioned within the internal volume of an enclosure in a spaced relation to at least a portion of the internal perimeter of the body of the enclosure.
대표청구항▼
1. A hydrogen-purification assembly configured to receive a mixed gas stream and to produce a product hydrogen stream and a byproduct stream therefrom, the hydrogen-purification assembly comprising: an enclosure including an internal surface and defining an internal volume, wherein the internal volu
1. A hydrogen-purification assembly configured to receive a mixed gas stream and to produce a product hydrogen stream and a byproduct stream therefrom, the hydrogen-purification assembly comprising: an enclosure including an internal surface and defining an internal volume, wherein the internal volume includes a mixed gas region and a permeate region, and further wherein the internal surface defines at least a portion of the permeate region;a hydrogen-separation assembly positioned within the internal volume in a spaced-apart relation to at least a portion of the internal surface, wherein the hydrogen-separation assembly includes a plurality of generally planar hydrogen-selective membranes, wherein the hydrogen-separation assembly defines the mixed gas region and isolates the mixed gas region from the internal surface of the enclosure, and further wherein the product hydrogen stream is formed from a portion of the mixed gas stream that passes through at least one of the plurality of generally planar hydrogen-selective membranes and from the mixed gas region to the permeate region;a mixed gas stream input port configured to provide a mixed gas inlet for delivery of the mixed gas stream to the mixed gas region of the hydrogen-purification assembly;a byproduct stream output port configured to provide a byproduct outlet for withdrawal of the byproduct stream from the mixed gas region of the hydrogen-purification assembly; anda product hydrogen stream output port configured to provide a hydrogen outlet for withdrawal of the product hydrogen stream from the permeate region of the hydrogen-purification assembly. 2. The hydrogen-purification assembly of claim 1, wherein the hydrogen-separation assembly entirely defines the mixed gas region. 3. The hydrogen-purification assembly of claim 1, wherein the hydrogen-separation assembly is contained entirely within the internal volume. 4. The hydrogen-purification assembly of claim 1, wherein the hydrogen-separation assembly includes an external surface including a plurality of sides, and further wherein each of the plurality of sides is contained within the internal volume. 5. The hydrogen-purification assembly of claim 4, wherein at least two of the plurality of sides is in fluid communication with the permeate region. 6. The hydrogen-purification assembly of claim 4, wherein at least two of the plurality of sides define at least a portion of the permeate region. 7. The hydrogen-purification assembly of claim 1, wherein the internal surface is not in fluid communication with the mixed gas stream. 8. The hydrogen-purification assembly of claim 1, wherein the mixed gas stream includes hydrogen gas and other gasses, wherein the product hydrogen stream includes at least one of a greater concentration of hydrogen gas and a lower concentration of the other gasses than the mixed gas stream, and further wherein the byproduct stream includes at least a substantial portion of the other gasses. 9. The hydrogen-purification assembly of claim 1, wherein the permeate region is defined by a majority of the internal surface of the enclosure. 10. The hydrogen-purification assembly of claim 9, wherein the permeate region is defined by substantially all of the internal surface of the enclosure. 11. The hydrogen-purification assembly of claim 1, wherein the plurality of hydrogen-selective membranes includes palladium. 12. The hydrogen-purification assembly of claim 1, wherein the plurality of hydrogen-selective membranes includes at least one pair of generally opposed hydrogen-selective membranes, wherein each of the pair of generally opposed hydrogen-selective membranes includes a mixed gas surface configured to be in fluid communication with the mixed gas stream and a permeate surface configured to be in fluid communication with the product hydrogen stream, wherein the permeate surfaces of the pair of generally opposed hydrogen-selective membranes define at least a portion of the permeate region, and further wherein the mixed gas surfaces of the pair of generally opposed hydrogen-selective membranes define at least a portion of the mixed gas region. 13. The hydrogen-purification assembly of claim 12, wherein the mixed gas surfaces of the plurality of hydrogen-selective membranes define a majority of the mixed gas region. 14. The hydrogen-purification assembly of claim 12, wherein the mixed gas surfaces of the plurality of hydrogen-selective membranes define substantially all of the mixed gas region. 15. The hydrogen-purification assembly of claim 12, wherein the hydrogen-separation assembly does not include a seal extending between the permeate surfaces of the pair of generally opposed hydrogen-selective membranes.
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