公开(公告)号：EP2778410B1

公开(公告)日：2019-11-13

申请号：EP13829513.4

申请日：2013-07-18

Applicant: KYB Corporation

Inventor： IWANAJI, Tetsuya ,  AOYAMA, Atsushi

IPC: F04B1/22 ,  F03C1/253

公开(公告)号：EP2177759B1

公开(公告)日：2018-03-07

申请号：EP07791998.3

申请日：2007-07-31

Applicant: KYB Corporation

Inventor： ITO, Kazumi ,  AOYAMA, Atsushi

IPC: F04B1/22 ,  F03C1/06

CPC classification number: F04B1/22 ,  F03C1/0639

Abstract: In a tandem piston pump (1) from which pump discharge pressure from four systems is extracted, a tilt axis direction of a front swash plate (14) and a tilt axis direction of a rear swash plate (54) are different to each other, respective discharge ports (23, 24) of a rear pump (50) are opened at a phase difference relative to respective discharge ports (21, 22) of a front pump (10), and respective pump ports (41, 42) of the front pump (10) and respective pump ports (43, 44) of the rear pump (50) are opened in different side faces (71, 72) of a port block (70).

公开(公告)号：EP2944817B1

公开(公告)日：2017-10-25

申请号：EP14772686.3

申请日：2014-03-06

Applicant: KYB Corporation

Inventor： AOYAMA, Atsushi

IPC: F04B23/10 ,  F04B23/12 ,  F04B1/26 ,  F04B1/29 ,  F04B1/32 ,  F04B49/00 ,  F04B49/08 ,  F04B49/22 ,  F15B11/16 ,  G05D16/20

CPC classification number: F04B49/225 ,  F04B1/122 ,  F04B1/295 ,  F04B1/324 ,  F04B23/106 ,  F04B23/12 ,  F04B49/002 ,  F04B49/08 ,  F15B11/165 ,  F15B2211/20553 ,  G05D16/2066