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Title:
HIGH PRESSURE PUMP
Document Type and Number:
Japanese Patent JPH07217551
Kind Code:
A
Abstract:

PURPOSE: To provide a high pressure pump which is constituted to prevent the occurrence of corrosion owing to treatment liquid and prevent deterioration of quality of the treatment liquid.

CONSTITUTION: A reciprocating type high pressure pump 1 comprises an inner sleeve 32 mounted on a high pressure cylinder 12; a balance piston 33 arranged in the vicinity of the inner surface of the end cover 16 of the high pressure cylinder 12; a cap 34 fixed to the end of a plunger 11 in the high pressure cylinder 12 and having a seal making slide with the inner peripheral surface of the inner sleeve 32; and a pressure liquid chamber 35 connected to an external liquid feed system. Further, a gap is provided between an end cover 16 and a balance piston 33, and a pressure water chamber 36 is provided between the inner sleeve 32 and the high pressure cylinder 12 and extends from a cap 34 and is provided between the inner peripheral surface of the inner sleeve 32 and the outer peripheral surface of the plunger 11 and connected to fresh water feed pipe 39.


Inventors:
HORI KEIICHI
MANABE YUKIO
Application Number:
JP1994000011728
Publication Date:
August 15, 1995
Filing Date:
February 03, 1994
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F04C13/00; F04B9/103; F04B9/105; F04B9/113; F04B23/02; F04B23/10; F04B49/06; (IPC1-7): F04C13/00; F04B9/103; F04B9/105; F04B9/113; F04B23/02; F04B23/10; F04B49/06
Attorney, Agent or Firm:
唐木 貴男



 
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