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151. A non-contact measuring instrument for rotor speed and its direction is introduced, which uses optics self-collimating structure, and quadrant photoelectric cell as the detector.

152. The elimination of measures: re - school the rotor static balance and dynamic balance.

153. DC exciter issued to the generator rotor coil in the rotor to become electromagnet, the magnetic field generated around.

154. The rotor of an axial-flux motor is flatter and wider in diameter than what Schey described as the almost 'sausage-shaped' rotors in conventional electric motors.

155. This paper proposes a novel method of detecting the rotor time constant T2 of a motor on line in terms of the vector diagram of T-I type equivalent.

156. Secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi-tray rotor bearing system by MATLAB language.

157. In stator current spectrum of induction motor, fault frequency component of rotor broken bar is very small and its frequency is close to basic wave, so it is difficult to obtain fault characteristic.

158. Tere is a lower cage-shape rotor 10 under the material diatributing tray. The lower cage-shape rotor rotates along.

159. Stainless laminated strips has usually been selected as a load - bearing structure in main rotor hub and tail rotor hub of a helicopter.

160. The dynamically balanced rotor assembly, sealed bearings with grease reserviors.

161. With the measured ratio and lagging angle, in the process of field balancing for high speed grinding, the rotor system can attain quick balance just adding balancing mass one time.

162. When the rotor, and hence the magnetic field, rotates, the armature coil cuts the magnetic-curves and produces electromotive force.

163. It enables the rotor with constant speed for maintaining steady output voltage.

164. The unitary 4-salient pole rotor winding structure of modern synchronous alternator was mainly introduced, and the rotor iron core clamp mould and coiling mould for coiling rotor winding was designed.

165. Two passive magnetic bearings were devised to resist the attractive force between the motor coil iron core and rotor driven magnets.

166. His final design was the MEG-3X which was based on a dish-shaped platform on which the pilot would stand and a two-blade rotor revolving underneath the platform.

167. Thirdly, it has put forward and designed the dual PWM converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow.

168. Affected by electromagnetism and structure, the rotor shaft of big length to diameter ratio high power density asynchronous motor shows low intensity and bad rigidity.

169. Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.

170. A new technology and equipment of annealing and bluing for finished stator and rotor of uncoated cold-rolled electric steel lamination in bell-type hytrogen furnace was introduced.

171. Breaker This breaker by the electrical machinery, the speed reducer, turns limits the shaft coupling brokenly, the breaker fixed plate, the breaker rotor plate, the main axle is composed.

172. Installing balancer and caging device of rotor could improve the security and stability of drive system.

173. In this paper, the horizontal and vertical place of stripping rotor and screw auger were studied, the law of different location affecting the loss was analysed, and the rational place was defined.

174. Gravity center modification method can be used in high - load rotor blade design in engineering.

175. Secondly,(http://sentencedict.com/rotor.html) it has put forward and designed the dual PWM converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow.

176. The paper has introduced the application of piezoelectric oscillation gyro in four - rotor flying robot.

177. The utility model relates to an improved straight handle type artificial hip joint fixed by the screw bolt of a femur big rotor.

178. But a twin - screw supercharger compresses the air inside the rotor housing.

179. Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.

180. There are many kinds of rotor profiles for roots vacuum pump.