Title:
【発明の名称】垂直往復動ポンプ
Document Type and Number:
Japanese Patent JPH11504408
Kind Code:
A
Abstract:
PCT No. PCT/FR96/00674 Sec. 371 Date Feb. 13, 1998 Sec. 102(e) Date Feb. 13, 1998 PCT Filed May 3, 1996 PCT Pub. No. WO96/35055 PCT Pub. Date Nov. 7, 1996A vertically reciprocating pump is described, characterized by a piston which has a support including a hub extending downwards and supporting reinforcement legs, the hub having a rod to which it is translatably coupled passing therethrough, and by a valve overlying the support, which seals the piston under the weight of the column of liquid above it or allows the passage of liquid when the piston moves down the water column in the drainage pipe.
Inventors:
Jello, Sara
Application Number:
JP53308196A
Publication Date:
April 20, 1999
Filing Date:
May 03, 1996
Export Citation:
Assignee:
Sollek
International Classes:
F04B47/02; F04B53/10; F04B53/12; (IPC1-7): F04B53/10
Attorney, Agent or Firm:
Yosuke Goto (1 person outside)