VANE-TYPE PUMP AND HEAT RECOVERY DEVICE

WIPO Patent Application WO/2014/079413

A3

Proposed is a vane-type pump (1) having - a housing (3), - a rotor (5) which can be driven in rotation, - which rotor has a number of slots (9), - which slots each receive a displaceable vane (17), wherein - delivery cells (19, 21) of variable volume are formed between successive vanes (17), having - a pump chamber (23) which accommodates the rotor (5) with the vanes (17), which pump chamber (23) has side surfaces (25) laterally adjoining the rotor (5) and the vanes (17) and has a stroke contour (27) which is arranged between the side surfaces (25) and against which the outer ends of the vanes (17) bear during the operation of the vane-type pump (1), and - having openings (29, 31) which are provided in the side surfaces (25) and of which at least one serves for the charging of the delivery cells (19, 21) and of which at least one serves for the discharge of a pressurized medium that is delivered by the delivery cells, wherein - the medium comprises water, alcohols such as ethanol, ammonia or other organic liquids or a mixture of the stated substances and furthermore a lubricant, the specific weight and/or viscosity of which is greater than that of the other constituents of the medium. The vane-type pump is characterized in that - an outer edge (39, 41), facing toward the stroke contour (27), of the openings (29, 31) is arranged at a distance (x) from the stroke contour (27).

HINRICHS JAN (DE)

PCT/DE2013/100373

October 09, 2014

October 29, 2013

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MAGNA POWERTRAIN BAD HOMBURG GMBH (DE)

F04C2/344; F04C15/00

GB2082679A	1982-03-10
DE102009013986A1	2010-09-23
DE102007063035A1	2009-06-04
GB2486017A	2012-06-06

MAGNA INTERNATIONAL (GERMANY) GMBH (GabrieleKurfürst-Eppstein-Ring 11, Sailauf, DE)

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