Global Patent Index - EP 0058456 A1

EP 0058456 A1 19820825 - A rotating vane-pump or -motor.

Title (en)

A rotating vane-pump or -motor.

Title (de)

Gleitschieber-Drehkolbenpumpe oder -motor.

Title (fr)

Pompe ou moteur rotatif à palettes.

Publication

EP 0058456 A1 19820825 (EN)

Application

EP 82200165 A 19820211

Priority

NL 8100705 A 19810213

Abstract (en)

The invention discloses designmeasures to improve the (volumetric) efficiency of known rotating vane-type pumps or -motors. A control-means (12, 14) is disclosed which mechanically controls the radial inward and outward movements of each vane (10) in its slot (9) in the rotor (11) during its rotation along the cylindrical inner-running-surface (2) of the housing (1) of the machine, in addition to the normal centrifugal force acting on the vanes (10). Additional springs urging the vanes outward and appropriate wear-resisting running- and sealing inlays (42) for the vanes sliding over the housing and the endcovers are resealed as well. So are sealingrings (22) or -plates between the rotor-end faces and the endcovers. All the above measures reducing blow-by and wear.

IPC 1-7

F04C 2/344; F01C 21/08; F01C 19/08

IPC 8 full level

F01C 19/08 (2006.01); F01C 21/08 (2006.01)

CPC (source: EP)

F01C 19/08 (2013.01); F01C 21/08 (2013.01); F01C 21/0836 (2013.01); F04C 2240/801 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LU NL SE

DOCDB simple family (publication)

EP 0058456 A1 19820825; NL 8100705 A 19820901

DOCDB simple family (application)

EP 82200165 A 19820211; NL 8100705 A 19810213