Fluid pump with a rotor

A fluid pump, in particular a liquid pump having a rotor with at least one rotor blade for conveying fluid, the rotor being variable with respect to its diameter between a first, compressed state and a second expanded state, wherein the at least one rotor blade is deformable between a first state which it assumes in the compressed state of the rotor and a second state which it assumes in the expanded state of the rotor by means of a fluid counterpressure during a rotation of the rotor during pump operation, wherein the at least one rotor blade has a leading and a trailing side in a direction of movement during the conveying operation, characterised in that said leading side and said trailing side have different configurations in a form of different material properties and/or constructional assembly at least along a part of a distance between a radially outer tip of the at least one rotor blade and a radially inner end of the at least one rotor blade, the at least one rotor blade in its constructional assembly comprises the shaped elements on the trailing side or is connected to the shaped elements which are at a spacing from each other in the first state and abut against each other in the second state characterised in that the shaped elements are formed by respectively one coil of a winding.

A fluid pump, in particular a liquid pump having a rotor with at least one rotor blade for conveying fluid, the rotor being variable with respect to its diameter between a first, compressed state and a second expanded state, wherein the at least one rotor blade is deformable between a first state which it assumes in the compressed state of the rotor and a second state which it assumes in the expanded state of the rotor by means of a fluid counterpressure during a rotation of the rotor during pump operation, wherein the at least one rotor blade has a leading and a trailing side in a direction of movement during the conveying operation, characterised in that said leading side and said trailing side have different configurations in a form of different material properties and/or constructional assembly at least along a part of a distance between a radially outer tip of the at least one rotor blade and a radially inner end of the at least one rotor blade, the at least one rotor blade in its constructional assembly comprises the shaped elements on the trailing side or is connected to the shaped elements which are at a spacing from each other in the first state and abut against each other in the second state characterised in that the shaped elements are embedded in a compressible material.

A fluid pump, in particular liquid pump having a rotor with at least one rotor blade for conveying fluid, the rotor being variable with respect to its diameter between a first, compressed state and a second expanded state, wherein the at least one rotor blade is deformable between a first state which it assumes in the compressed state of the rotor and a second state which it assumes in the expanded state of the rotor by means of a fluid counterpressure during a rotation of the rotor during pump operation, wherein the at least one rotor blade has a leading and a trailing side in a direction of movement during the conveying operation, characterised in that said leading side and said trailing side have different configurations in a form of different material properties and/or constructional assembly at least along a part of a distance between a radially outer tip of the at least one rotor blade and a radially inner end of the at least one rotor blade, at least one rotor blade has a plurality of shaped elements on the trailing side, said plurality of shaped elements abut against each other as a continuous web in the second state.