IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0352085
(2009-01-12)
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등록번호 |
US-8227142
(2012-07-24)
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우선권정보 |
FR-05 09497 (2005-09-16) |
발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
The invention concerns a plate for fuel cell, in particular of the ion-exchange membrane type, comprising supply channels (2 to 5) connected to an intake orifice (2a) arranged in the center of one of the surfaces of the plate, and discharge channels (6 to 9) wherein circulate respectively a reactive
The invention concerns a plate for fuel cell, in particular of the ion-exchange membrane type, comprising supply channels (2 to 5) connected to an intake orifice (2a) arranged in the center of one of the surfaces of the plate, and discharge channels (6 to 9) wherein circulate respectively a reactive fluid stream with relatively high concentration and a reactive fluid stream with relatively low concentration. The supply and/or discharge channels are symmetrically arranged on the plate, the supply and discharge channels having similar fractal configurations arranged complementarily to obtain a network of interweaving channels.
대표청구항
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1. A fuel cell plate, comprising: an intake orifice positioned at a center of a face of the plate;a first feed channel extending from the intake orifice towards an upper left corner of the plate, the first feed channel including a main line that branches into three secondary lines;a second feed chan
1. A fuel cell plate, comprising: an intake orifice positioned at a center of a face of the plate;a first feed channel extending from the intake orifice towards an upper left corner of the plate, the first feed channel including a main line that branches into three secondary lines;a second feed channel extending from the intake orifice towards an upper right corner of the plate, the second feed channel including a main line that branches into three secondary lines;a third feed channel extending from the intake orifice towards a lower left corner of the plate, the third feed channel including a main line that branches into three secondary lines;a fourth feed channel extending from the intake orifice towards a lower right corner of the plate, the fourth feed channel including a main line that branches into three secondary lines; anddischarge channels formed on the face of the plate,wherein the plate includes a first axis of symmetry extending from a top edge of the plate to a bottom edge of the plate such that the first feed channel is symmetrical across the first axis of symmetry to the second feed channel and the third feed channel is symmetrical across the first axis of symmetry to the fourth feed channel,wherein the plate includes a second axis of symmetry extending from a left edge of the plate to a right edge of the plate such that the first feed channel is symmetrical across the second axis of symmetry to the third feed channel and the second feed channel is symmetrical across the second axis of symmetry to the fourth feed channel, andwherein the plate includes a third axis of symmetry extending from the upper left corner of the plate to the lower right corner of the plate such that the second feed channel is symmetrical across the third axis of symmetry to the third feed channel, a portion of the first feed channel on a first side of the third axis of symmetry is symmetrical across the third axis of symmetry to a portion of the first feed channel on a second side of the third axis of symmetry, and a portion of the fourth feed channel on a first side of the third axis of symmetry is symmetrical across the third axis of symmetry to a portion of the fourth feed channel on a second side of the third axis of symmetry. 2. The plate as claimed in claim 1, wherein the discharge channels each comprise a main conduit, the main conduit being provided with a plurality of successive side branches arranged symmetrically with respect to said conduit. 3. The plate as claimed in claim 2, wherein the main conduits of the discharge channels emerge on each of the edges of the plate. 4. The plate as claimed in claim 1, wherein a total cross section of the three secondary lines of the first feed channel is equal to a cross section of the first feed channel. 5. The plate as claimed in claim 1, wherein all of the discharge channels positioned on a first side of the first axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the first axis of symmetry,all of the discharge channels positioned on a first side of the second axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the second axis of symmetry, andall of the discharge channels positioned on a first side of the third axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the third axis of symmetry. 6. A fuel cell, comprising: an ion-exchange membrane; anda fuel cell plate in contact with the membrane, the plate comprising an intake orifice positioned at a center of a face of the plate,a first feed channel extending from the intake orifice towards an upper left corner of the plate, the first feed channel including a main line that branches into three secondary lines,a second feed channel extending from the intake orifice towards an upper right corner of the plate, the second feed channel including a main line that branches into three secondary lines,a third feed channel extending from the intake orifice towards a lower left corner of the plate, the third feed channel including a main line that branches into three secondary lines,a fourth feed channel extending from the intake orifice towards a lower right corner of the plate, the fourth feed channel including a main line that branches into three secondary lines, anddischarge channels formed on the face of the plate,wherein the plate includes a first axis of symmetry extending from a top edge of the plate to a bottom edge of the plate such that the first feed channel is symmetrical across the first axis of symmetry to the second feed channel and the third feed channel is symmetrical across the first axis of symmetry the fourth feed channel,wherein the plate includes a second axis of symmetry extending from a left edge of the plate to a right edge of the plate such that the first feed channel is symmetrical across the second axis of symmetry to the third feed channel and the second feed channel is symmetrical across the second axis of symmetry to the fourth feed channel, andwherein the plate includes a third axis of symmetry extending from the upper left corner of the plate to the lower right corner of the plate such that the second feed channel is symmetrical across the third axis of symmetry to the third feed channel, a portion of the first feed channel on a first side of the third axis of symmetry is symmetrical across the third axis of symmetry to a portion of the first feed channel on a second side of the third axis of symmetry, and a portion of the fourth feed channel on a first side of the third axis of symmetry is symmetrical across the third axis of symmetry to a portion of the fourth feed channel on a second side of the third axis of symmetry. 7. The fuel cell as claimed in claim 6, wherein a total cross section of the three secondary lines of the first feed channel is equal to a cross section of the first feed channel. 8. The fuel cell as claimed in claim 6, wherein all of the discharge channels positioned on a first side of the first axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the first axis of symmetry,all of the discharge channels positioned on a first side of the second axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the second axis of symmetry, andall of the discharge channels positioned on a first side of the third axis of symmetry are symmetrical to all of the discharge channels positioned on a second side of the third axis of symmetry.
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