| 摘要 |
1527427 Engine turning gear; gas turbine engines MOTOREN-UND TURBINEN-UNION MUNCHEN GmbH 27 Sept 1976 [1 Oct 1975] 39989/76 Headings F1G F1K and F1T [Also in Division F2] A method of rotating a bladed rotor of a turbomachine having a casing 37 by means of apparatus comprising a drive-shaft 27 rotatably supported in a sleeve 24 and carrying a friction wheel 26 comprises inserting the apparatus through an opening 24' in the casing so that the friction wheel 26 is in tangential engagement with a surface 23 of the rotor and rotating the drive-shaft 27 by means of a crank. Sleeve 24 is mounted in a part-spherical member 25 and a coil spring 28 may be adjustably preloaded in order to vary the contact pressure of wheel 26. In a modification, a preloading spring acts axially. |
