Japan, Sept. 16 -- FURUKAWA INDUSTRIAL MACHINERY SYSTEMS CO LTD has got intellectual property rights for 'CENTRIFUGAL PUMP.' Other related details are as follows:
Application Number: JP,2023-019045
Category (FI): F04D29/08@B,F04D29/08@E,F04D29/12@Z
Stage: PROBLEM TO BE SOLVED: To provide a centrifugal pump including a seal structure having improved cleaning property by suppressing the spread of contamination from a seal part to the periphery of a frame.SOLUTION: A centrifugal pump 1 includes a frame 10 for rotatably supporting a drive shaft 2, a casing 5 fixed to the front face of the frame 10, an impeller 3 stored in the casing 5 and coaxially provided at the front end of the drive shaft 2, a seal mounting part 12 formed at the front center of the frame 10 with an annular step part 13 coaxial with the drive shaft 2, and a seal part 20 provided on the seal mounting part 12 for sealing the periphery of the drive shaft 2 with seal members 40, 50, the seal mounting part 12 having a drain groove 15 formed in the lowest part of the annular step part 13 along the axial direction.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: Feb. 10, 2023
Publication Date: Aug. 23, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
