Title:
【発明の名称】油圧サ-ボモ-タ
Document Type and Number:
Japanese Patent JPS59500575
Kind Code:
A
Abstract:
PCT No. PCT/FR83/00070 Sec. 371 Date Dec. 13, 1983 Sec. 102(e) Date Dec. 13, 1983 PCT Filed Apr. 18, 1983 PCT Pub. No. WO83/03643 PCT Pub. Date Oct. 27, 1983.(a) Hydraulic servo motor comprising a jack (1, 14) intended to be connected by its rod (31, 32, 151) to a moving member to be displaced and accurately positioned, said jack being completely filled with liquid; (b) Servo motor characterized in that the displacement of the piston (2) is implemented by direct liquid transfer from one chamber to the other chamber of the jack by at least one electric vibrator pump (6) supplied by an alternating current power source and in that a so-called electro valve (7), normally open when not in operation, is connected in order to make the two jack chambers communicate; (c) The invention relates to hydraulic servo motors.
Inventors:
Shea Tran Jacque Henri
Application Number:
JP50123583A
Publication Date:
April 05, 1984
Filing Date:
April 18, 1983
Export Citation:
Assignee:
Shrine Transyask, Henri
International Classes:
F15B7/00; F15B11/12; F15B11/08; (IPC1-7): F15B11/08
Domestic Patent References:
| JP54105386B | ||||
| JP56174702B |
Foreign References:
| DE2117466A1 | 1971-10-28 |
Attorney, Agent or Firm:
Hidemori Matsukuma