KENYON, BARTON JOHN,REED, NICHOLAS JEROME,WILSON, ANDREW,SMITH, IAN MALCOLM
申请号：
NZ59049806
公开号：
NZ590498A
申请日:
2006.10.27
申请国别(地区):
NZ
年份:
2012
代理人:
摘要：
An impeller comprising: a top shroud a bottom shroud, a plurality of vanes sandwiched between the top shroud and the bottom shroud, each said vane including a top edge at a radially inner portion of the vane in contact with the top shroud and a bottom edge at a radially outer portion of the vane in contact with the bottom shroud, such that a radially inner portion of the vane at the bottom edge of each vane is not in contact with or adjacent the bottom shroud and a radially outer portion of the vane at the top edge of each vane is not in contact with or adjacent the top shroud.
