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    • 5. 发明授权
    • Multi-stage in-line cartridge ejector for fuel cell system
    • 用于燃料电池系统的多级直列式喷射器
    • US07687171B2
    • 2010-03-30
    • US12156195
    • 2008-05-29
    • Hyeon Seok BanHae Weon LeeYong Gyu NohYong Sun Park
    • Hyeon Seok BanHae Weon LeeYong Gyu NohYong Sun Park
    • H01M8/04H01M8/12H01M2/00H01M2/02H01M2/14G05D11/00F16K15/00F16K17/00F16K21/04
    • H01M8/04097Y10T137/2564Y10T137/2572Y10T137/7838
    • Multi-stage in-line cartridge ejectors for a fuel cell system provided herein comprise: at least one ejector main body for supplying hydrogen, each ejector main body including a plurality of nozzles arranged in line with a predetermined gap, in which the diameters of the respective nozzles become larger from an inlet side of the ejector main body toward an outlet side thereof, and a plurality of sub-inlets formed on an outer surface of the ejector main body to be connected to the gap or gaps between the nozzles; and a housing accommodating the eject main body and including a main inlet for intake of recirculated hydrogen. The multi-stage in-line cartridge ejectors can improve the system performance by increasing the amount of recirculated hydrogen. Moreover, at least one check valve is provided at an intake position of the cartridge ejectors to effectively prevent reverse flow of recirculation hydrogen gas and at least one heater is provided around the cartridge ejectors to improve cold startability.
    • 本文提供的用于燃料电池系统的多级直列式墨盒喷射器包括:至少一个用于供应氢的喷射器主体,每个喷射器主体包括与预定间隙一致布置的多个喷嘴, 各个喷嘴从喷射器主体的入口侧朝向其出口侧变大,并且在喷射器主体的外表面上形成有与喷嘴之间的间隙连接的多个副入口; 以及容纳弹出主体并且包括用于吸入再循环氢的主入口的壳体。 多级直列式墨盒喷射器可以通过增加再循环氢气的量来提高系统性能。 此外,在墨盒喷射器的进气位置处设置至少一个止回阀,以有效地防止再循环氢气的反向流动,并且在墨盒喷射器周围设置至少一个加热器以改善冷启动性。