Title:
油圧ポンプ・モータ
Document Type and Number:
Japanese Patent JP5363654
Kind Code:
B2
Abstract:
The present embodiments disclose an axial hydraulic pump including a residual pressure regenerating circuit (30) which is a pipe line communicating with a top dead center side communication port (31) and a bottom dead center side communication port (32). Further, the axial hydraulic pump includes cylinder ports (26-1 to 26-8) which are provided in the respective cylinder bores of the cylinder block (6) and are operated with the rotation of the cylinder block (6). Even further, the axial hydraulic pump includes communication holes (41-1 to 41-8) which communicate with the top dead center side communication port (31) and the bottom dead center side communication port (32).
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Inventors:
Takeo Iida
Nakagawa Tadashi
Tomohiro Sakai
Nakagawa Tadashi
Tomohiro Sakai
Application Number:
JP2012530624A
Publication Date:
December 11, 2013
Filing Date:
August 12, 2011
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
F04B1/22; F03C1/253
Domestic Patent References:
| JPH09317627A | 1997-12-09 |
Foreign References:
| WO2009037994A1 | 2009-03-26 |
Attorney, Agent or Firm:
Hiroaki Sakai