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Patent Searching and Data


Title:
POSITIVE DISPLACEMENT PUMP WITH GATE VALVE
Document Type and Number:
Japanese Patent JPH0821354
Kind Code:
A
Abstract:

PURPOSE: To provide a pump capable of easily feeding high-viscosity fluid at a constant feed rate.

CONSTITUTION: This pump has two pistons 10 each sliding in a cylinder 11. Material is fed to the cylinders 11 through passages 12 by a feed screw 21. In time of a discharge, a gate valve 6 turning in a bearing surface 1A2 sequentially opens and closes passages 1A1 communicating with the cylinders 11. The gate valve 6 has an axial bore 61 and a slit 62 perpendicular to the bore 61, while the material is fed to an outlet of a pump main body 1 through an internal space of a rotary distributor comprising the bore 61 and the slit 62.


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Inventors:
Deal, Michel
Hinc, Henri
Application Number:
JP1995000184872
Publication Date:
January 23, 1996
Filing Date:
June 28, 1995
Export Citation:
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Assignee:
SEDEPRO
International Classes:
F04B19/12; B29C48/32; B29C48/38; B29C48/395; B29D30/00; F04B1/18; F04B7/00; F04B15/02; (IPC1-7): F04B15/02; F04B19/12
Attorney, Agent or Firm:
越場 隆