公开(公告)号：EP1248022B1

公开(公告)日：2006-05-10

申请号：EP02003964.0

申请日：2002-02-22

申请人： Bayerische Motoren Werke Aktiengesellschaft

发明人： Daiker, Klaus ,  Tremmel, Hans

IPC分类号： F16J9/20

CPC分类号： F16J9/062 ,  F16J1/09 ,  F16J9/206

公开(公告)号：EP1558864A2

公开(公告)日：2005-08-03

申请号：EP03768634.2

申请日：2003-11-05

申请人： FEDERAL-MOGUL CORPORATION

发明人： ZHU, Xiluo ,  GAISER, Randall, R.

IPC分类号： F16J1/04

CPC分类号： F02F3/22 ,  F01P3/08 ,  F02F3/003 ,  F02F2003/0007 ,  F16J1/005 ,  F16J1/09

摘要： A monobloc piston assembly has at least two parts fixedly joined together forming a piston body having an oil cooling gallery. The oil cooling gallery is defined by an upper wall, a lower wall, and a pair of radially spaced inner and outer annular walls. A skirt is formed as one piece and of the same material with at least one of the two parts and depends generally along a longitudinal axis from the lower wall. A pair of pin bosses are spaced laterally from the longitudinal axis and depend generally from the lower wall. At least one elongated opening extends generally between the pin bosses with the opening preferably spanning a substantial portion of the distance between the pin bosses. Oil flows into and out of an oil cooling gallery through the opening.

公开(公告)号：EP4352353B1

公开(公告)日：2024-10-09

申请号：EP22744329.8

申请日：2022-07-18

IPC分类号： F02F3/00 ,  F02F5/00 ,  F16J9/00 ,  F02B35/00

CPC分类号： F16J9/00 ,  F02B35/00 ,  F02F3/22 ,  F16J1/09

公开(公告)号：EP1954966B1

公开(公告)日：2018-10-10

申请号：EP06776552.9

申请日：2006-08-02

申请人： KS Kolbenschmidt GmbH

发明人： BUSCHBECK, Ralf ,  SPERMANN, Johannes ,  HEFELE, Christina ,  BLAU, Alfred, Alexander

IPC分类号： F16J1/08 ,  F02F3/00

CPC分类号： F16J1/09 ,  F02F3/00 ,  F16J1/08 ,  Y10T29/49265

公开(公告)号：EP2900993B1

公开(公告)日：2018-07-25

申请号：EP13779962.3

申请日：2013-09-27

申请人： Federal-Mogul LLC

发明人： AZEVEDO, Miguel ,  WEINENGER, Michael

IPC分类号： F02F3/00 ,  F16J1/16 ,  F16C7/00 ,  F16C9/04

CPC分类号： B23P15/08 ,  F02F3/00 ,  F02F3/0069 ,  F02F3/16 ,  F02F2200/00 ,  F16J1/005 ,  F16J1/09 ,  F16J1/16 ,  F16J7/00 ,  Y10T29/49249 ,  Y10T29/49268

摘要： A piston assembly for an internal combustion engine, comprises: a piston head having an upper combustion wall with an undercrown surface and a ring belt region depending from said upper combustion wall, a floor having an upper surface and a bottom surface, said floor being spaced beneath said upper combustion wall in radial alignment with said ring belt region, a substantially enclosed, annular cooling gallery bounded by said undercrown surface and said floor, said cooling gallery extending radially inwardly from said ring belt region; a pair of pin bores depending directly from the floor of the cooling gallery; a pin having ends configured for oscillating receipt in the pin bores; a pin bearing surface extending within said pin bores and between said pin bores in said lower surface of said floor; a connecting rod having an end fixed to the pin for conjoint oscillation therewith; and a plurality of support members extending radially outwardly from a central longitudinal axis of said piston head, said support members extending between said undercrown surface and said upper surface of said floor.

公开(公告)号：EP3191743A4

公开(公告)日：2018-05-02

申请号：EP15839625

申请日：2015-09-04

申请人： WESTPORT POWER INC

发明人： COLEMAN TIM ,  STOCKNER ALAN R ,  COLDREN DANA R

IPC分类号： F16J1/00 ,  F16J9/00

CPC分类号： F16J1/09 ,  F16J9/12

摘要： A piston arrangement comprises a circumferential piston groove that can accommodate a seal for sealing between the piston and the cylinder bore when the piston moves in a reciprocal movement. The piston arrangement comprises a first fluid flow passage, defined at least in part by the piston body that fluidly connects the forward side of the cylinder bore with a space within the piston groove underneath the seal and a second fluid flow passage, defined in part by the piston body, which fluidly connects the rear side of the cylinder bore with the space within the piston groove underneath the seal. The two fluid flow passages allow a controlled fluid flow around the piston seal and comprise a channel provided in a lateral wall of the piston groove or an orifice provided in the piston body.

公开(公告)号：EP3279499A1

公开(公告)日：2018-02-07

申请号：EP17001331.2

申请日：2017-08-03

申请人： BeijingWest Industries Co. Ltd.

发明人： Proeschel, Andrew Kegan ,  Tessier, Guy

IPC分类号： F16F9/34 ,  F16F9/512 ,  F16F9/53 ,  F16F9/32

CPC分类号： F16F9/512 ,  B60G17/08 ,  F16F9/3214 ,  F16F9/3405 ,  F16F9/3415 ,  F16F9/535 ,  F16J1/08 ,  F16J1/09

摘要： According to the present invention there is provided a hydraulic damper assembly including a housing that extends about and along an axis and defines an interior wall and a chamber for holding a fluid. A piston assembly is disposed in the chamber and axially moveable therein. The piston assembly includes a core. A wear band is disposed about the core and has an inside surface and an outside surface. The inside surface of the wear band defines at least one groove in fluid communication with the chamber for allowing the fluid to bias the wear band toward the interior wall of the housing during the passage of the fluid though the at least one groove during movement of the piston assembly.

摘要翻译： 根据本发明，提供了一种液压阻尼器组件，该组件包括围绕轴线并沿着轴线延伸并限定内壁和用于保持流体的腔室的壳体。 活塞组件设置在腔室内并可在其中轴向移动。 活塞组件包括芯。 耐磨带围绕芯设置并具有内表面和外表面。 耐磨带的内表面限定与腔室流体连通的至少一个凹槽，以允许流体在穿过至少一个凹槽期间流体穿过壳体的内壁期间偏置耐磨带 活塞组件。

公开(公告)号：EP2959194B1

公开(公告)日：2017-07-19

申请号：EP14711052.2

申请日：2014-02-24

申请人： Achates Power, Inc.

发明人： DION, Eric, P. ,  KLYZA, Clark, A. ,  MACKENZIE, Ryan, G. ,  WAHL, Michael, H.

IPC分类号： F16J1/09 ,  F02B75/28 ,  F16J1/14 ,  F16J1/16

CPC分类号： F16C33/04 ,  F01M2001/066 ,  F01M2011/026 ,  F02B75/28 ,  F16J1/09 ,  F16J1/14 ,  F16J1/16

公开(公告)号：EP3106718A1

公开(公告)日：2016-12-21

申请号：EP16175059.1

申请日：2016-06-17

申请人： Hamilton Sundstrand Corporation

发明人： SCHRODER, Bruce R.

IPC分类号： F16J9/22 ,  F16J9/20 ,  F15B15/14

CPC分类号： F16J9/08 ,  B23P15/10 ,  F15B15/1452 ,  F16J1/09 ,  F16J9/12 ,  F16J9/20 ,  F16J9/22

摘要： A piston configuration is provided, the configuration including a piston having a ring seat and a piston ring disposed within the ring seat. The piston ring is configured to form a sealing surface between a surface of the piston ring and a surface of the ring seat. The sealing surface is formed when a first pressure on a first side of the piston ring is greater than a second pressure on a second side of the piston ring. At least one fluid channel is configured to increase a surface area on the piston ring that is subject to the second pressure.

摘要翻译： 提供一种活塞构造，该构造包括具有环座和设置在环座内的活塞环的活塞。 活塞环构造成在活塞环的表面和环座的表面之间形成密封表面。 当活塞环的第一侧上的第一压力大于活塞环的第二侧上的第二压力时，形成密封表面。 至少一个流体通道被配置成增加经受第二压力的活塞环上的表面积。

公开(公告)号：EP2988003A4

公开(公告)日：2016-12-07

申请号：EP14785582

申请日：2014-02-20

申请人： KAWASAKI HEAVY IND LTD

发明人： YOSHIMURA ISAMU ,  NOMURA RYO ,  WADA HISAO ,  SAKAI RYUJI

IPC分类号： F04B1/12 ,  F01B3/00 ,  F03C1/28 ,  F04B1/22 ,  F04B53/14

CPC分类号： F16J1/09 ,  F01B3/007 ,  F03C1/0605 ,  F04B1/124 ,  F04B1/22 ,  F04B53/14

摘要： An end part of a piston (5) on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 10% or more and 80% or less of a length of a cylindrical part (20) and a height is 10% or more and 160% or less of a clearance. An end part of the piston (5) on a rear edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 10% or more and 60% or less of the length of the cylindrical part (20) and a height is 10% or more and 160% or less of the clearance. An end part of a cylinder block (3) on a front edge side is formed so as to have a crowning of a 1.2-order to 2.5-order curve where a length is 8% or more and 60% or less of the length of a cylindrical part (20) and a height is 12% or more and 125% or less of the clearance.