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Patent Searching and Data


Title:
FLUID PRESSURE INTENSIFYING DEVICE
Document Type and Number:
Japanese Patent JP2001059501
Kind Code:
A
Abstract:

To enhance responsiveness to stroke changeover, reduce a radial size for compactness and relax accuracy need in working parts.

A pressure intensifier 3 and a control valve mechanism 4 are provided inside a main case 2, a changeover of an oil passage is carried out by the control valve mechanism 4 thereby successively actuating the pressure intensifier 3, and a primary pressure supplied from a primary port 6 is intensified by the pressure intensifier 3 to be discharged into a secondary port 8. The pressure intensifier 3 and the control valve mechanism 4 are serially arranged, and a movement of a piston 10a is directly transmitted to the control valve mechanism 4 via a spool 41.


Inventors:
KAWAKAMI TAKAYUKI
Application Number:
JP1999000234994
Publication Date:
March 06, 2001
Filing Date:
August 23, 1999
Export Citation:
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Assignee:
PASCAL KK
International Classes:
F15B3/00; (IPC1-7): F15B3/00
Attorney, Agent or Firm:
岡村 俊雄