Title:
ELECTRIC PUMP
Document Type and Number:
Japanese Patent JP2022148762
Kind Code:
A
Abstract:
To maintain a fluid pressure in a proper range without complicating control of an electric pump and increasing the number of design work hours of a component to be attached in a fluid pressure circuit including the electric pump.SOLUTION: An electric pump 1 includes: a motor part 3; a pump part 2; a housing 5 which houses the motor part 3 and the pump part 2; a suction port 63 and a discharge port 65 formed on a surface of the housing 5; a suction duct line 60 allowing communication between the suction port 63 and the pump part 2; a discharge duct line 61 allowing communication between the discharge port 65 and the pump part 2; a relief duct line 67 allowing communication between the suction duct line 60 and the discharge duct line 61; and a relief valve mechanism 70 provided at the relief duct line 67.SELECTED DRAWING: Figure 5
Inventors:
KITAYAMA NAOTSUGU
MIZUSHIRI KENJI
KAWAI MASAHIRO
MIZUSHIRI KENJI
KAWAI MASAHIRO
Application Number:
JP2021050571A
Publication Date:
October 06, 2022
Filing Date:
March 24, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F04B53/10; F04B53/16; F04C14/26
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Yusuke Noguchi
Tsuyoshi Kumano
Yusuke Noguchi
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