公开(公告)号：EP1995446B1

公开(公告)日：2011-02-23

申请号：EP08009388.3

申请日：2008-05-21

Applicant: Hitachi Ltd.

Inventor： Munakata, Akihiro ,  Machimura, Hideki ,  Yamauchi, Hideaki ,  Kitajima, Daisuke ,  Nemoto, Masashi

IPC: F02M55/04 ,  F02M59/48 ,  G05D16/06

CPC classification number: F02M55/04 ,  F02M59/102 ,  F02M59/366 ,  F02M59/367 ,  F02M59/48 ,  F02M63/0225 ,  F02M2200/315 ,  F04B11/0016

公开(公告)号：EP1995446A3

公开(公告)日：2009-10-07

申请号：EP08009388.3

申请日：2008-05-21

Applicant: Hitachi Ltd.

Inventor： Munakata, Akihiro ,  Machimura, Hideki ,  Yamauchi, Hideaki ,  Kitajima, Daisuke ,  Nemoto, Masashi

IPC: F02M55/04 ,  F02M59/48 ,  G05D16/06

CPC classification number: F02M55/04 ,  F02M59/102 ,  F02M59/366 ,  F02M59/367 ,  F02M59/48 ,  F02M63/0225 ,  F02M2200/315 ,  F04B11/0016

Abstract: A fluid pressure pulsation damper mechanism comprising: a metal damper (120) having two metal diaphragms joined together with a hermetic seal for forming a sealed spacing filled with a gas between the two metal diaphragms, an edge part at which are overlapped along outer peripheries thereof; a main body (126) having a damper housing in which the metal damper is accommodated; and a cover (128) attached to the main body (126) to cover the damper housing and isolate the damper housing from an outside air, the metal damper (120) being held between the cover and the main body; wherein the cover is further comprising: a metal plate for making the cover (128), a peripheral edge of the cover being joined to the main body (126) , a plurality of inner convex curved parts extending toward the main body (126).

公开(公告)号：EP1995446A2

公开(公告)日：2008-11-26

申请号：EP08009388.3

申请日：2008-05-21

Applicant: Hitachi Ltd.

Inventor： Munakata, Akihiro ,  Machimura, Hideki ,  Yamauchi, Hideaki ,  Kitajima, Daisuke ,  Nemoto, Masashi

IPC: F02M55/04 ,  F02M59/48 ,  G05D16/06

CPC classification number: F02M55/04 ,  F02M59/102 ,  F02M59/366 ,  F02M59/367 ,  F02M59/48 ,  F02M63/0225 ,  F02M2200/315 ,  F04B11/0016

Abstract: A fluid pressure pulsation damper mechanism comprising: a metal damper (120) having two metal diaphragms joined together with a hermetic seal for forming a sealed spacing filled with a gas between the two metal diaphragms, an edge part at which are overlapped along outer peripheries thereof; a main body (126) having a damper housing in which the metal damper is accommodated; and a cover (128) attached to the main body (126) to cover the damper housing and isolate the damper housing from an outside air, the metal damper (120) being held between the cover and the main body; wherein the cover is further comprising: a metal plate for making the cover (128), a peripheral edge of the cover being joined to the main body (126) , a plurality of inner convex curved parts extending toward the main body (126).

Abstract translation: 一种流体压力脉动阻尼器机构，包括：金属阻尼器（120），其具有两个金属隔膜，所述金属隔膜用气密密封件连接在一起，用于在所述两个金属隔膜之间形成填充有气体的密封间隔，沿其外周重叠的边缘部分 ; 主体（126），其具有容纳金属阻尼器的阻尼器壳体; 以及附接到所述主体（126）以覆盖所述阻尼器壳体并将所述阻尼器壳体与外部空气隔离的盖（128），所述金属阻尼器（120）保持在所述盖和所述主体之间; 其特征在于，所述盖还包括：用于制造所述盖（128）的金属板，所述盖的周缘连接到所述主体（126），多个向所述主体（126）延伸的内凸曲面部分。