Title:
WATER BLOCK EXCHANGE DEVICE
Document Type and Number:
Japanese Patent JP2003193963
Kind Code:
A
Abstract:
To exchange water blocks in two regions by the small est possible energy.
A check valve 3 and a piston 2 are disposed at a flow passage 1 connecting the two regions A, B to move the piston 2 at a low speed.
Inventors:
YOSHIDA SHIZUO
Application Number:
JP2001391063A
Publication Date:
July 09, 2003
Filing Date:
December 25, 2001
Export Citation:
Assignee:
YOSHIDA SHIZUO
International Classes:
E02B7/18; F03B13/08; F04B19/22; F04B53/10; (IPC1-7): F04B19/22; E02B7/18; F03B13/08; F04B53/10
Attorney, Agent or Firm:
Keiji Nishikawa (1 person outside)
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