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    • 2. 发明申请
    • A BREAST PUMP
    • 乳房泵
    • WO2012014113A1
    • 2012-02-02
    • PCT/IB2011/053140
    • 2011-07-14
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BOSMAN, Franciscus JozefMULDER, Bernardo Arnoldus
    • BOSMAN, Franciscus JozefMULDER, Bernardo Arnoldus
    • A61M1/00A61M1/06
    • A61M1/06A61M1/0037A61M1/0068
    • In a breast pump, milk expressed from a user's nipple may be drawn into the pumping mechanism used to create a vacuum. This can lead to unhygienic situations because pumping mechanisms are difficult or impossible to clean by a user. The present invention relates to a breast pump comprising first and second pressure chambers (22,23) and an actuator (20) disposed to fluidly divide the two chambers (22,23). The actuator (20) is movable to generate an inverse pressure differential in the second chamber (23) when a pressure differential is generated in the first pressure chamber (22), or a pressure differential is released from the first pressure chamber (22). Furthermore, the actuator (20) comprises a first piston element (30) and a second piston element (32), and wherein the first pressure chamber (22) is disposed between the first piston element (30) and the second piston element (32).
    • 在吸乳器中,从用户的乳头表达的牛奶可以被吸入用于产生真空的泵送机构。 这可能导致不卫生的情况,因为泵送机构难以或不可能被用户清洁。 本发明涉及一种包括第一和第二压力室(22,23)和设置成流体分配两个腔室(22,23)的致动器(20)的吸乳器。 当在第一压力室(22)中产生压差或者压力差从第一压力室(22)释放时,致动器(20)可移动以在第二室(23)中产生反压差。 此外,致动器(20)包括第一活塞元件(30)和第二活塞元件(32),并且其中第一压力室(22)设置在第一活塞元件(30)和第二活塞元件(32)之间 )。
    • 3. 发明公开
    • A BREAST PUMP
    • MILCHPUMPE
    • EP2598184A1
    • 2013-06-05
    • EP11748465.9
    • 2011-07-14
    • Koninklijke Philips Electronics N.V.
    • BOSMAN, Franciscus JozefMULDER, Bernardo Arnoldus
    • A61M1/00A61M1/06
    • A61M1/06A61M1/0037A61M1/0068
    • In a breast pump, milk expressed from a user's nipple may be drawn into the pumping mechanism used to create a vacuum. This can lead to unhygienic situations because pumping mechanisms are difficult or impossible to clean by a user. The present invention relates to a breast pump comprising first and second pressure chambers (22,23) and an actuator (20) disposed to fluidly divide the two chambers (22,23). The actuator (20) is movable to generate an inverse pressure differential in the second chamber (23) when a pressure differential is generated in the first pressure chamber (22), or a pressure differential is released from the first pressure chamber (22). Furthermore, the actuator (20) comprises a first piston element (30) and a second piston element (32), and wherein the first pressure chamber (22) is disposed between the first piston element (30) and the second piston element (32).
    • 在吸乳器中,从用户的乳头表达的牛奶可以被吸入用于产生真空的泵送机构。 这可能导致不卫生的情况,因为泵送机构难以或不可能被用户清洁。 本发明涉及一种包括第一和第二压力室(22,23)和设置成流体分配两个腔室(22,23)的致动器(20)的吸乳器。 当在第一压力室(22)中产生压差或者压力差从第一压力室(22)释放时,致动器(20)可移动以在第二室(23)中产生反压差。