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1. (WO2018088487) CYLINDER BLOCK, AND SWASHPLATE TYPE HYDRAULIC ROTATING DEVICE PROVIDED WITH SAME

Pub. No.:    WO/2018/088487    International Application No.:    PCT/JP2017/040458
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Fri Nov 10 00:59:59 CET 2017
IPC: F04B 1/22
F03C 1/253
F04B 53/08
Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA
川崎重工業株式会社
Inventors: KOMADA, Koichi
駒田 浩一
KURODA, Yuichiro
黒田 裕一朗
MITSUHATA, Akihito
光畑 彰人
SATO, Takaaki
佐藤 崇明
Title: CYLINDER BLOCK, AND SWASHPLATE TYPE HYDRAULIC ROTATING DEVICE PROVIDED WITH SAME
Abstract:
This cylinder block has formed therein a plurality of cylinder bores which open in a piston insertion side end surface, and is configured such that when caused to rotate, pistons inserted into each cylinder bore slide in a reciprocating manner, wherein the cylinder block is provided with a cooling unit, and the cooling unit has a plurality of cooling holes which are formed between adjacent cylinder bores and extend in the axial direction of the cylinder block from the piston insertion side end surface.