Title:
LIQUID PUMP DEVICE
Document Type and Number:
Japanese Patent JPH11287193
Kind Code:
A
Abstract:
To surely perform air bleed and priming of a pump, automatically start the pump even in the case of starting the pump in emergency or at any time, and form a device small, compact and inexpensive.
In a liquid pump device provided with a plurality of pumps 1, an ejector 6 is connected to one end of the intake pipe 5, the other end of which is connected to the inside of each pump 1, and a drive liquid inlet of the ejector 6 is connected to an ejector suction pipe 7 branching from a delivery pipe 4 of the pump 1. Opening/closing valves 23, 22, connected to a delivery pipe of a priming pump 9 feeding a liquid in a liquid tank 2 pumped up to open/close the ejector suction pipe 7 and the delivery pipe 10 of the priming pump 9, are provided.
Inventors:
KUSANAGI HIDEO
Application Number:
JP9001598A
Publication Date:
October 19, 1999
Filing Date:
April 02, 1998
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F04D15/00; F04D9/00; F04D9/06; F04D13/16; F04F5/20; (IPC1-7): F04D9/06; F04D9/00; F04D13/16; F04D15/00; F04F5/20
Attorney, Agent or Firm:
Arata Ishikawa (1 person outside)