Title:
PUMP DEVICE
Document Type and Number:
Japanese Patent JP2023162999
Kind Code:
A
Abstract:
To provide a pump device capable of normally supplying liquid to a first liquid supply destination and supplying liquid to a second liquid supply destination only when needed while suppressing an increase in cost.SOLUTION: A pump device in the present invention capable of supplying liquid stored in a storage part to a first liquid supply destination and a second liquid supply destination includes: a first pump in which a suction port and a discharge port are not switched in between normal rotation and reverse rotation; a second pump in which the suction port and the discharge port are switched in between the normal rotation and the reverse rotation; a power source whose rotation direction can be switched arbitrarily; a shaft member that rotates with driving force from the power source; and a control device for controlling at least the rotation direction of the power source. The first pump and the second pump are provided to the shaft member; the first pump is connected to the first liquid supply destination; and the second pump is connected to the second liquid supply destination.SELECTED DRAWING: Figure 6
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Inventors:
ONODA NAOTO
SHIINA TAKAHIRO
KOMADA HIDEAKI
SHIINA TAKAHIRO
KOMADA HIDEAKI
Application Number:
JP2022073763A
Publication Date:
November 09, 2023
Filing Date:
April 27, 2022
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F04C11/00; F04C15/00
Attorney, Agent or Firm:
Sakai International Patent Office