Title:
RADIAL PISTON HYDRAULIC PUMP
Document Type and Number:
WIPO Patent Application WO/2014/203962
Kind Code:
A1
Abstract:
[Problem] To provide a radial piston hydraulic pump capable of continuous discharge at high pressure. [Solution] A radial piston hydraulic pump comprising: a casing having a cylindrical inner surface; an eccentric shaft arranged inside the casing eccentrically, by a prescribed amount, from the shaft center of the casing and comprising on the inside thereof an intake port and a discharge port; a cylinder barrel rotatably arranged on the eccentric shaft and having a cylinder radially formed therein; an intake/discharge port formed inside the cylinder barrel, having one end opening to the cylinder and the other end capable of connecting to the intake port or the discharge port; and a piston slidably arranged inside the cylinder, having one end thereof in sliding contact with a sliding plate arranged on the cylindrical surface of the casing and the other end reciprocally moving inside the cylinder in accordance with the rotation of the cylinder barrel. The radial piston hydraulic pump is characterized by a flange section being provided on a piston end surface on the sliding plate side.
Inventors:
MIKI MASAYUKI (JP)
OKADA MASAHIRO (JP)
OKADA MASAHIRO (JP)
Application Number:
PCT/JP2014/066264
Publication Date:
December 24, 2014
Filing Date:
June 19, 2014
Export Citation:
Assignee:
LEVEX CORP (JP)
NAGATSU IND LTD (JP)
NAGATSU IND LTD (JP)
International Classes:
F04B1/04; F04B1/047; F04B1/053
Foreign References:
| JPH03978A | 1991-01-07 | |||
| JP2005054574A | 2005-03-03 | |||
| JPS6246860Y2 | 1987-12-21 |
Attorney, Agent or Firm:
MORIWAKI, Masashi (JP)
Masashi Moriwaki (JP)
Masashi Moriwaki (JP)
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