Patent ID: 8303258
Filing Date: 2012-11-06
Classification: F01D,F02K,F04D,F05D

Abstract:
1. A fan platform for a bypass turbomachine having a primary stream and a secondary stream, said platform defining a portion of a surface of a nose about which the primary stream flows and carrying blades that extend radially outwards from said platform, the platform between two adjacent blades including at least one rib projecting into a space between the two blades, wherein said at least one rib is designed to participate in compressing the air of the primary stream, and extends in the space defined between the blades within 40% thereof that is furthest downstream in a flow direction of the primary stream such that said at least one rib is entirely located within the 40% of the downstream portion of the space, and wherein a radially-outer end of said at least one rib is inclined in a direction of rotation of said platform.