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Patent Searching and Data


Title:
VANE PUMP
Document Type and Number:
WIPO Patent Application WO/2019/216173
Kind Code:
A1
Abstract:
A vane pump (100) is provided with a side member (10) disposed in contact with one side surface of a rotor (2) and a cam ring (4), and the side member (10) has a discharge port (12) that discharges hydraulic fluid for a pump chamber (6), a gradually changing notch (21) that is formed so that the open area thereof increases along the rotational direction of the rotor (2) and that communicates with an end part of the discharge port (12), and a constant notch (22) that is formed so that the open area thereof remains constant along the rotational direction of the rotor (2) and that communicates with the end part of the discharge port (12).

Inventors:
OMORI, Yusuke (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
NAKAGAWA, Tomoyuki (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
SUGIHARA, Masamichi (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
KONDO, Hirotoshi (World Trade Center Bldg. 4-1, Hamamatsu-cho 2-chome, Minato-k, Tokyo 11, 〒1056111, JP)
Application Number:
JP2019/016988
Publication Date:
November 14, 2019
Filing Date:
April 22, 2019
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:
F04C2/344; F04C15/06
Attorney, Agent or Firm:
GOTOH & PARTNERS (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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