Title:
VIBRATION PUMP
Document Type and Number:
WIPO Patent Application WO/1994/025753
Kind Code:
A2
Abstract:
A vibration pump comprises: a housing (1) accomodating a linear electromagnetic motor with a moveable armature (2), an inner yoke (3) and an exciting winding (4); a rod (5) with a working unit (6) mounted thereon, the rod being mounted in the hydraulic chamber (7) and connected to the moveable armature (2); an elastic damper (8) situated between the moveable armature (2) and the hydraulic chamber and connected to the former. In addition, an elastic element (9) and a rectifier diode (10) are also provided. The elastic element (9) is arranged between the inner yoke (3) and the moveable armature (2). The rectifier diode is connected to an output of the exciting winding.
Inventors:
RYASHENTSEV NIKOLAI PAVLOVICH
RYASHENTSEV ALEXANDR NIKOLAEVI
MALININ VALERY IVANOVICH
NEIMAN VLADIMIR JURIEVICH
RYASHENTSEV ALEXANDR NIKOLAEVI
MALININ VALERY IVANOVICH
NEIMAN VLADIMIR JURIEVICH
Application Number:
PCT/RU1994/000086
Publication Date:
November 10, 1994
Filing Date:
April 20, 1994
Export Citation:
Assignee:
N PROIZV PREDPR BIOTEKHINVES (RU)
International Classes:
F04F7/00; H02K33/02; (IPC1-7): F04B/
Foreign References:
| US4416591A | 1983-11-22 | |||
| SU1350384A1 | 1987-11-07 | |||
| DE3729938C1 | 1989-03-30 | |||
| SU1543131A1 | 1990-02-15 | |||
| EP0288216A1 | 1988-10-26 |
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