Title:
HYDRAULIC MOTOR AND BACKWASH TYPE FILTRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/017158
Kind Code:
A1
Abstract:
A hydraulic motor (100) for a backwash type filtration device W includes a casing (110), a rotor (130) housed in the casing (110), and a rod-shaped second rotating part (140). The inner peripheral side surface of the casing (100) is formed in a trochoid curve shape, and an inflow pipe (50) that allows fluid to flow in and an outflow pipe (60) for allowing fluid to flow out are connected to the casing (110). The second rotating part (140) is connected to a first rotating part (8) that rotates a backwash arm (20), and the first rotating part (8) is rotated in conjunction with the rotation of the second rotating part. The outer peripheral side surface of the rotor (130) is formed in an inner envelope shape corresponding to the trochoid curve shape; a center hole (132) is provided in the center section of the rotor; and the inner peripheral side surface of the center hole (132) is inscribed in the second rotating part (140).
Inventors:
KOI KENICHI (JP)
YAMADA NORIO (JP)
KUMAZAWA YOSHIMASA (JP)
MATSUO TAKASHI (JP)
TOYOTA MASAYOSHI (JP)
YAMADA NORIO (JP)
KUMAZAWA YOSHIMASA (JP)
MATSUO TAKASHI (JP)
TOYOTA MASAYOSHI (JP)
Application Number:
PCT/JP2019/020869
Publication Date:
January 23, 2020
Filing Date:
May 27, 2019
Export Citation:
Assignee:
KANAGAWA KIKI KOGYO CO LTD (JP)
International Classes:
F03C2/22; B01D24/44; B01D29/48; B01D29/50; B01D29/66; B01D29/90; B01D29/94
Foreign References:
| JPS6355302A | 1988-03-09 | |||
| JP5967816B2 | 2016-08-10 | |||
| JP2008151142A | 2008-07-03 |
Attorney, Agent or Firm:
TAKAHASHI Ryuji et al. (JP)
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