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发明授权
CN107743551B 具有防损构件的泵 有权

具有防损构件的泵
摘要：
泵(1)具有：驱动轴(3)；泵轮(5)，包括具有孔(5)的衬套(31)；泵轮(5)和轴(3)的连接件包括连接构件(41)，连接构件(41)包括在孔(39)内的第二端部(45)，连接件(33)还包括支撑构件(47)，支撑构件(47)联接至连接构件(41)的第二端部(45)，并且抵靠与驱动轴(3)相对的衬套(31)的一面。泵(1)也包括连接到连接构件(41)的防损构件(60)，并插入到驱动轴(3)和衬套(31)之间，其形状选择为如果连接构件(41)破损不能够穿过孔(39)。
摘要（英）：

The pump (1) comprises: a drive shaft (3); a pump impeller (5) comprising a hub (31) having an orifice (39); a connection (33) of the pump impeller (5) to the shaft (3), comprising a connecting member (41) having a second end part (45) in the orifice (39), the connection (33) also comprising a support member (47) connected to the second end part (45) of the connecting member (41) and bearing against a face of the hub (31) that is remote from the drive shaft (3), the connection (33) comprising a plurality of ancillary connecting members (59), each of which secures the pump impeller (5) to the drive shaft (3). The pump (1) also comprises an anti-loss member (60) that is connected to the connecting member (41) and is interposed between the drive shaft (3) and the hub (31), having a shape chosen so as not to be able to pass through the orifice (39) in the event of the connecting member (41) breaking.

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