发明名称 Blade tip having a recessed area
摘要 An example blade assembly includes, among other things a blade tip having a pressure side and a suction side, and a plurality of grooves within the blade tip. At least one of the grooves has a contour that is different than both a contour of the pressure side and a contour of the suction side.
申请公布号 US9004861(B2) 申请公布日期 2015.04.14
申请号 US201213468104 申请日期 2012.05.10
申请人 United Technologies Corporation 发明人 Nash Timothy Charles;Aggarwala Andrew S.
分类号 F01D5/14;F01D5/18;F01D5/20 主分类号 F01D5/14
代理机构 Carlson, Gaskey & Olds, P.C. 代理人 Carlson, Gaskey & Olds, P.C.
主权项 1. A blade assembly, comprising: a blade tip having a pressure side and a suction side, the blade tip further having a recessed area and a nonrecessed area greater than the recessed area; and a plurality of chordwise grooves within the blade tip, wherein at least one of the chordwise grooves has a contour that is different than both a contour of the pressure side and a contour of the suction side, wherein the chordwise grooves extend lengthwise between a leading edge and a trailing edge of the blade tip, and the chordwise grooves have a width that is about the same, wherein the chordwise grooves are open exclusively on a radially facing side, wherein the chordwise grooves provide at least a portion of the recessed area.
地址 Hartford CT US