| 摘要 |
An improved rotor for fluid flow meters having a rotor hub with a vane hub mounted thereon including spaced inner and outer cylindrical walls. These inner and outer cylindrical walls are provided with grooves and slot respectively that are radially aligned and which are inclined relative to the direction of fluid flow and provide adjacent support surfaces for a plurality of vanes. A cap element assembled on one end of the rotor hub in engagement with the outer cylindrical wall maintains the vanes in operating position and provides a means whereby the vanes can be readily removed or replaced when desired.
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