1
Yosuke Fujii, Takafumi Okamoto, Manabu Tanaka, Akio Yamamoto, Hidemitsu Ono, Narutoshi Sugita: Fuel cell stack. Honda Giken Kogyo Kabushiki Kaisha, Lyon & Lyon, April 11, 2000: US06048633 (27 worldwide citation)

A fuel cell stack comprises first and second separators for holding a fuel cell unit therebetween. The first separator has a fuel gas flow passage and the second separator has an oxygen-containing gas flow passage. The gas flow passages are formed by grooves with the number of grooves decreasing fro ...


2
Yosuke Fujii, Yoshinori Wariishi, Narutoshi Sugita, Masaharu Suzuki: Fuel cell comprising a separator provided with coolant passages. Honda Giken Kogyo Kabushiki Kaisha, Lahive & Cockfield, June 18, 2002: US06406809 (23 worldwide citation)

Each of cooling medium flow passages provided for a first separator includes single main flow passage grooves communicating with a cooling medium inlet and a cooling medium outlet respectively, and branched flow passage grooves formed and branched between the main flow passage grooves. Accordingly, ...


3
Yoshinori Wariishi, Yosuke Fujii, Koji Okazaki, Akio Yamamoto, Takafumi Okamoto, Manabu Tanaka, Shuji Sato: Fuel cell stack. Honda Giken Kogyo Kabushiki Kaisha, Lahive & Cockfield, July 9, 2002: US06416899 (15 worldwide citation)

Disclosed is a fuel cell stack comprising fuel cell units and first and second separators which are alternately stacked with each other. Wedge members are integrally inserted, over the plurality of fuel cell units, into communication holes of a fuel gas supply passage, an oxygen-containing gas suppl ...


4
Manabu Tanaka, Takafumi Okamoto, Akio Yamamoto, Yosuke Fujii, Shuji Sato: Fuel cell stack. Honda Giken Kabushiki Kaisha, Lahive & Cockfield, September 25, 2001: US06294280 (15 worldwide citation)

Disclosed is a fuel cell stack comprising a fuel cell unit and separators which are stacked with each other. The separator is provided with a cooling medium supply port corresponding to a central portion of an electrode power-generating section and a cooling medium discharge port corresponding to an ...


5
Yosuke Fujii, Takafumi Okamoto, Manabu Tanaka, Akio Yamamoto, Hidemitsu Ono, Narutoshi Sugita, Masaharu Suzuki: Fuel cell stack. Honda Giken Kogyo Kabushiki Kaisha, Lyon Lyon, July 3, 2001: US06255011 (14 worldwide citation)

First gas flow passage grooves communicating with a fuel gas inlet and second gas flow passage grooves communicating with a fuel gas outlet are provided on a surface of a first separator. First and second united sections are provided at merged portions of the first gas flow passage grooves and the s ...


6
Yosuke Fujii, Masaharu Suzuki: Fuel cell stack having bent section flow passage grooves. Honda Giken Kogyo Kabushiki Kaisha, Lahive & Cockfield, March 4, 2003: US06528196 (13 worldwide citation)

First gas flow passage grooves which communicate with an oxygen-containing gas inlet, and second gas flow passage grooves into which the first gas flow passage grooves are merged and which communicate with an oxygen-containing gas outlet are provided on a surface of a first separator. First communic ...


7
Yosuke Fujii, Noriaki Osao, Yoshinori Wariishi, Takaki Nakagawa, Hiroshi Shinkai, Katsumi Hayashi: Fuel cell. Honda Giken Kogyo Kabushiki Kaisha, Lahive & Cockfield, February 3, 2004: US06686085 (12 worldwide citation)

A fuel gas inlet is provided at an outer circumferential edge portion of a second separator. First fuel gas flow passage grooves for supplying a fuel gas to an anode electrode are formed on a side of a surface of the second separator. First fuel gas connecting flow passages, which make communication ...


8
Yoshinori Wariishi, Hideaki Kikuchi, Masaharu Suzuki, Masaru Oda, Yosuke Fujii, Ichiro Baba: Fuel cell stack. Honda Giken Kabushiki Kaisha, Lahive & Cockfield, Anthony A Laurentano Esq, August 9, 2005: US06926985 (11 worldwide citation)

A fuel gas passage, an oxygen-containing gas passage, and a coolant passage extend through a fuel cell stack. Each of the fuel gas passage and the oxygen-containing gas passage is formed by serially connecting passages between the first through third fuel cell modules. The fuel gas flows through the ...


9
Shigeru Inai, Katsumi Hayashi, Yosuke Fujii, Minoru Koshinuma: Gas leak detection method for fuel cell. Honda Giken Kogyo Kabushiki Kaisha, Anthony A Laurentano Esq, Lahive & Cockfield, November 9, 2004: US06815107 (11 worldwide citation)

In order to improve detecting accuracy in a gas leak detection for a fuel cell, in a gas leak detection method for a fuel cell having a solid polymer electrolyte membrane sandwiched by an anode and a cathode, an output voltage is measured in an activated over-potential region in a state in which the ...


10
Yosuke Fujii, Masaharu Suzuki, Narutoshi Sugita: Fuel cell stack. Honda Giken Kogyo Kabushiki Kaisha, Lahive & Cockfield, July 16, 2002: US06420061 (9 worldwide citation)

A first separator has its surface which is designed to have a rectangular configuration. A fuel gas flow passage for making communication between a fuel gas inlet and a fuel gas outlet is provided on the surface. The fuel gas flow passage is designed to have a meandering configuration so that it ext ...