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Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 0286809 B1 19911016 - CAVITATION-RESISTANT INDUCER

Title (en)

CAVITATION-RESISTANT INDUCER

Publication

EP 0286809 B1 19911016 (EN)

Application

EP 88102746 A 19880224

Priority

US 3662787 A 19870410

Abstract (en)

[origin: EP0286809A2] An improvement in an inducer (18) for a pump wherein the inducer includes a hub, a plurality of radially extending substantially helical blades (22) and a wall member (24) extending about and encompassing an outer periphery of the blades (22). The improvement comprises forming adjacent pairs of blades (22) and the hub to provide a substantially rectangular cross-sectional flow area which cross-sectional flow area decreases from the inlet end of the inducer (18) to a discharge end of the inducer (18).

IPC 1-7

F04D 29/18; F04D 29/22

IPC 8 full level

F04D 29/18 (2006.01); F04D 29/22 (2006.01)

CPC (source: EP)

F04D 29/181 (2013.01); F04D 29/2277 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0286809 A2 19881019; EP 0286809 A3 19881102; EP 0286809 B1 19911016; DE 3865490 D1 19911121; JP S63263300 A 19881031

DOCDB simple family (application)

EP 88102746 A 19880224; DE 3865490 T 19880224; JP 8421488 A 19880407