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Patent Searching and Data


Title:
HYDRAULIC ROTARY MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/047668
Kind Code:
A1
Abstract:
This piston pump/motor 100 comprises: a cylinder block 2 which rotates with a shaft 1; pistons 6 which are slidably inserted into cylinders 2b formed in the cylinder block 2; shoes 20 which are rotatably connected to the tip part of the pistons 6, and are in sliding contact with the tip part; and swash plates 8 which are in sliding contact with the shoes 20. Each shoe 20 comprises: a piston sliding part 30 in sliding contact with a piston 6 and a swash plate sliding part 31 in sliding contact with a swash plate 8; a shoe body 21 to which the piston sliding part 30 and the swash plate sliding part 31 are mounted; and first engaging parts 40 and second engaging parts 50 which are respectively provided between the shoe body 21 and the piston sliding part 30 and between the shoe body 21 and the swash plate sliding part 31, and which respectively regulate the relative rotation of the shoe body 21 and the piston sliding part 30 and the relative rotation of the shoe body 21 and the swash plate sliding part 31.

Inventors:
ISHIKAWA, Ryunosuke (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2016/077190
Publication Date:
March 23, 2017
Filing Date:
September 14, 2016
Export Citation:
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Assignee:
KYB CORPORATION (World Trade Center Bldg, 4-1 Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
International Classes:
F04B1/22; F03C1/253
Foreign References:
US5762477A1998-06-09
JP2728978B21998-03-18
JP2012218707A2012-11-12
JP2001009160A2001-01-16
JP2009121635A2009-06-04
Attorney, Agent or Firm:
GOTO, Masaki et al. (GOTOH & PARTNERS, Shoyu-Kaikan 3-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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