Title:
PUMP
Document Type and Number:
Japanese Patent JP2022112393
Kind Code:
A
Abstract:
To provide a pump capable of preventing or suppressing closure in a casing soon.SOLUTION: In a crushing pump 1, a casing 20 is formed into an involute shape in which a cross-sectional area along a central line of a flow from a suction side to a discharge side gradually increases and has a largest diameter on the discharge port side, a center of the discharge port 21 is off-set in a width direction with respect to a central position of the rotary shaft 3 in the casing 20 in an installation posture, and a tongue end formed in a part connecting an inner wall of the discharge port 21 and an inner wall of an involute shape part is formed into a shape which has roundness so that it is positioned at a higher position than an upper part 4t of an impeller 4.SELECTED DRAWING: Figure 2
Inventors:
TANEICHI JUN
Application Number:
JP2021008229A
Publication Date:
August 02, 2022
Filing Date:
January 21, 2021
Export Citation:
Assignee:
FURUKAWA IND MACHINERY SYSTEMS CO LTD
International Classes:
F04D29/70; F04D29/22; F04D29/24; F04D29/42
Attorney, Agent or Firm:
田中 秀▲てつ▼
Hirose Hajime
Tetsuya Mori
Hirose Hajime
Tetsuya Mori
Previous Patent: Information processing device, information processing method, and program
Next Patent: Manual scanning device and system
Next Patent: Manual scanning device and system