CASING FOR PUMP AND PUMP WITH THE SAME

PROBLEM TO BE SOLVED: To enlarge the radius of curvature of a curved part of a delivery flow passage 45 as large as possible as a casing 4 for a pump, and to suppress increase of the pressure loss in the curved part. SOLUTION: First and second casings 41 and 42 include joint surfaces 413 and 423, sw...

Full description

Saved in:
Bibliographic Details
Main Authors ENOMOTO JUNYA, KUNUGIHARA TAKASHI, TAKEUCHI KAZUYOSHI, TARUI MOTONOBU
Format Patent
LanguageEnglish
Published 12.02.2010
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To enlarge the radius of curvature of a curved part of a delivery flow passage 45 as large as possible as a casing 4 for a pump, and to suppress increase of the pressure loss in the curved part. SOLUTION: First and second casings 41 and 42 include joint surfaces 413 and 423, swirl chamber forming parts 411 and 421, and delivery flow passage forming parts 412 and 422. The curve of the delivery flow passage 45 is continuously curved between the first casing 41 and the second casing 42 with the same radius of curvature. The first and the second casings 41 and 42 are respectively molded with the usage of forming dies, and a switching part 414 for switching a direction of a draft of the forming die is provided on a partition wall of the delivery flow passage forming part 412 of the first casing 41 in a halfway position crossing a delivery opening 45a. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20080196905