EP 0618365 B1 19970507 - Volumetric machine with magnetic driving system
Title (en)
Volumetric machine with magnetic driving system
Title (de)
Verdrängermaschine mit magnetischer Führung
Title (fr)
Machine volumétrique à guidage magnétique
Publication
Application
Priority
FR 9301926 A 19930219
Abstract (en)
[origin: FR2701737A1] Positive-displacement machine including a piston (1) situated in a capsule (2). The piston has a hypertrochoid profile as well as the internal recess (3) of the capsule. The piston has n axes of symmetry and the capsule has n + 1. Inside the capsule, the piston accomplishes a planetary movement about the axis DELTA c of the capsule. In order to obtain this planetary movement, the piston is, on the one hand, mounted so that it can rotate freely on a wrist pin (4) which is off-centred relative to a carrying shaft (7) coaxial with the axis DELTA c of the capsule, the shaft (7) being driven in rotation and, on the other hand, the surface of the piston and the internal surface of the recess (3) of the capsule (2) are equipped with permanent magnets (12, 13) creating magnetic repulsion forces. <IMAGE>
IPC 1-7
IPC 8 full level
F04C 25/02 (2006.01); F04C 2/10 (2006.01); F04C 15/00 (2006.01); H01F 7/02 (2006.01); F04C 2/22 (2006.01)
CPC (source: EP US)
F04C 2/10 (2013.01 - EP US); F04C 15/008 (2013.01 - EP US); F04C 2/22 (2013.01 - EP US)
Citation (examination)
DE 4209607 A1 19920813 - ECKERT ROLF [DE]
Designated contracting state (EPC)
BE CH DE FR GB IT LI LU NL
DOCDB simple family (publication)
FR 2701737 A1 19940826; FR 2701737 B1 19950414; CA 2114601 A1 19940802; DE 69403020 D1 19970612; DE 69403020 T2 19970814; EP 0618365 A1 19941005; EP 0618365 B1 19970507; JP H06249173 A 19940906; US 5439357 A 19950808
DOCDB simple family (application)
FR 9301926 A 19930219; CA 2114601 A 19940131; DE 69403020 T 19940216; EP 94400343 A 19940216; JP 2061794 A 19940217; US 19098394 A 19940203