IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0138060
(2009-03-02)
|
등록번호 |
US-8652702
(2014-02-18)
|
국제출원번호 |
PCT/US2009/001311
(2009-03-02)
|
§371/§102 date |
20110629
(20110629)
|
국제공개번호 |
WO2010/101541
(2010-09-10)
|
발명자
/ 주소 |
- Niezelski, David A.
- Lake, Jeffery G.
- Love, Robert A.
- Blydenburgh, Jason Bennett
|
출원인 / 주소 |
- United Technologies Corporation
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
4 |
초록
▼
Fuel cell systems (10) and related methods for limiting fuel cell slippage are provided. A stacked plurality of adjacent fuel cells (14) collectively forming a fuel cell stack (12). The fuel cells each include a pair of first and second plates (30, 30′, 30″; 32, 32′, 32″) at respective opposite ends
Fuel cell systems (10) and related methods for limiting fuel cell slippage are provided. A stacked plurality of adjacent fuel cells (14) collectively forming a fuel cell stack (12). The fuel cells each include a pair of first and second plates (30, 30′, 30″; 32, 32′, 32″) at respective opposite ends thereof. A first fuel cell has a first plate (30, 30′, 30″) in engagement with a second plate (32, 32′, 32″) of a second fuel cell adjacent to the first fuel cell. A slip mitigation arrangement (50, 50′, 50″) between at least one of the pairs of the first and second fuel cells comprises first and second seats (62, 62′, 62″; 64, 64′, 64″) recessed in the engagement surfaces of the first and second conductive plates respectively, and a key member (60, 60′, 60″) having opposite ends seated in the first and the second recessed seats such that relative movement between the first and the second fuel cells is limited.
대표청구항
▼
1. A fuel cell system (10) comprising: a stacked plurality of adjacent fuel cells (14) collectively forming a fuel cell stack (12), said fuel cells each including a pair of first and second plates (30, 32) at respective opposite ends thereof and an electrolyte (40) there between, a first said fuel c
1. A fuel cell system (10) comprising: a stacked plurality of adjacent fuel cells (14) collectively forming a fuel cell stack (12), said fuel cells each including a pair of first and second plates (30, 32) at respective opposite ends thereof and an electrolyte (40) there between, a first said fuel cell (14) having a first said plate (30, 30′, 30″) in engagement with a second said plate (32, 32′, 32″) of a second fuel cell (14) adjacent to said first fuel cell at respective engagement surfaces thereof; anda slip mitigation arrangement (50, 50′, 50″) between at least one pair of said first and said second fuel cells comprising:a first seat (62, 62′,62″) recessed in said engagement surface of said first plate (30, 30′, 30″), a second seat (64, 64′, 64″) recessed in said engagement surface of said second plate (32, 32′, 32″), and a key member (60, 60′, 60″) having opposite ends seated in said first and said second recessed seats such that relative movement between said first and said second fuel cells is reduced, said first and said second seats (62, 62′, 62″; 64, 64′, 64″) respectively recessed in the engagement surfaces of said first and said second plates (30, 30′, 30″; 32, 32′, 32″) of said first and said second fuel cells (14) having respective cross-sectional geometries and the key member (60, 60′, 60″) having a cross-sectional geometry adapted for firm engagement with the sides of said first and said second seats when the fuel cell stack (12) is fully assembled, at least one (62, 64, 62″) of said first and said second seats (62, 62′, 62″; 64, 64′, 64″) is an annular recess having a central mounting stub (70, 70″), and said key member (60, 60″) is annular and is mountedly disposed on said mounting stub for assembly.
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