| 摘要 |
PCT No. PCT/RU97/00180 Sec. 371 Date Feb. 4, 1998 Sec. 102(e) Date Feb. 4, 1998 PCT Filed Jun. 5, 1997 PCT Pub. No. WO97/47075 PCT Pub. Date Dec. 11, 1997A piezoelectric linear stepping motor comprises a cylindrical housing (1), a movable part (4) and fixing devices between them. The fixing devices comprise at least two piezoelectric units (2,3). Each piezoelectric unit (2,3) consists of a shifting (5) and a fixing (6) piezoelectric cells, insulators (7) and a friction element (8). The piezoelectric units (2,3) are disposed inside the housing (1) one behind the other in a longitudinal plane. |
