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Patent Searching and Data


Title:
AIR BLEEDING METHOD FOR HYDRAULIC POWER UNIT EQUIPPED WITH MANUAL PUMP
Document Type and Number:
Japanese Patent JP3457741
Kind Code:
B2
Abstract:

PURPOSE: To provide a method for simple easy air bleeding when hydraulic oil is filled in a circuit in a hydraulic power unit equipped with a manual pump.
CONSTITUTION: A hydraulic power unit has a switching valve 13 in the vicinity of a piping port B of a pump 3. For switching operation of the switching valve 13, a hexagonal hole is formed at the board end, and a hexagonal hole bolt whose tip is capable of engaging with an operating part of the switching valve 13 is arranged. An oil supply dedicated tube 15 in which a fitting part 15a capable of attaching/detaching to/from an oil supply port 10 of a tank 11, having a sealing function for closely fitting to an oil supply port 10 of the tank 11 is attached at one end is arranged.


Inventors:
Kitano, Taizo
Application Number:
JP1994000173192
Publication Date:
October 20, 2003
Filing Date:
July 01, 1994
Export Citation:
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Assignee:
MAROOLE KK
International Classes:
B63H25/30; F15B7/00; (IPC1-7): F15B7/00; B63H25/30
Attorney, Agent or Firm:
鳥巣 実