The invention relates to a fluidic system with a fluidic element and a transport device. The fluidic element comprises a basic body and a deformable membrane, the basic body comprising at least one first channel and at least one second channel for guiding a fluid, with at least one outlet being formed at one end of the first channel and at least one inlet being formed at one end of the second channel, and the membrane being connected to the basic body and covering at least the outlet of the first channel and the inlet of the second channel. The transport device comprises an actuator, the actuator being designed to deform the membrane such that a cavity is formed between the basic body and the membrane. The actuator comprises a magnetic shape memory alloy or consists thereof.
The invention relates to a fluidic system with a fluidic element and a transport device. The fluidic element comprises a basic body and a deformable membrane, the basic body comprising at least one first channel and at least one second channel for guiding a fluid, with at least one outlet being formed at one end of the first channel and at least one inlet being formed at one end of the second channel, and the membrane being connected to the basic body and covering at least the outlet of the first channel and the inlet of the second channel. The transport device comprises an actuator, the actuator being designed to deform the membrane such that a cavity is formed between the basic body and the membrane. The actuator comprises a magnetic shape memory alloy or consists thereof.
H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
A transport device (100) comprises a housing (110), an actuator (130) and a drive (150). The housing has a fluid inlet (111, 113) and a fluid outlet (113, 111). The actuator (130) comprises a magnetic shape-memory alloy, and the actuator (130) is arranged at least in sections in the housing (110). The actuator (130) can be deformed by the drive (150) in such a way that at least one cavity (135, 135′) for the fluid is formed in the actuator (130), which cavity can be moved by the drive (150) in order to transport the fluid in the cavity (135, 135′) from the fluid inlet (111, 113) to the fluid outlet (113, 111). At least one section of the actuator (130) has a separation layer (1380) by which a direct contact between the fluid and the actuator (130) is prevented in said section of the actuator (130).
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
A transport device (400) comprises a housing (410), an actuator (430), a drive (450) and a sealing element (470). The housing has a fluid inlet (411, 413) and a fluid outlet (413, 411). The actuator (430) comprises a magnetic shape-memory alloy, and the actuator (430) is arranged at least in sections in the housing (410). The actuator (430) can be deformed by the drive (450) in such a way that two cavities (635, 635′) for the fluid are formed in the actuator (430), which cavities can be moved by the drive (450) in order to transport the fluid in the cavities (635, 635′) from the fluid inlet (411, 113) to the fluid outlet (413, 411). The sealing element (470) has at least one recess (471, . . . ), and the sealing element (470) is arranged in the housing (410) in such a way that the cavities (635, 635′) are at least temporally in fluid communication via the recess (471, . . . ) during the transport of the fluid from the fluid inlet (411, 413) to the fluid outlet (413, 411).
F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
The invention relates to a transport device (100) comprising a housing (110), an actuator (130), a drive (150) and a sealing element (170). The housing has a fluid inlet (111, 113), a fluid outlet (113, 111), and partially contains the actuator (130), which comprises a magnetic shape-memory alloy. The actuator (130) can be deformed by the drive (150) in such a way to form a cavity (135) for the fluid in order to transport the fluid in the cavity (135) from the fluid inlet (111, 113) to the fluid outlet (113, 111). The sealing element (170) is arranged between the actuator (130) and the housing (110) in such a way that the cavity (135) is edge-sealed or end-sealed during the transport of the fluid from the fluid inlet (111, 113) to the fluid outlet (113, 111).
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
6.
TRANSPORT DEVICE HAVING AN ACTUATOR AND SEPARATING LAYER
The invention relates to a transport device (100) comprising a housing (110), an actuator (130) and a drive (150). The housing has a fluid inlet (111, 113) and a fluid outlet (113, 111). The actuator (130) comprises a magnetic shape-memory alloy and the actuator (130) is arranged, at least in part, in the housing (110). The actuator (130) can be deformed by the drive (150) such that at least one cavity (135, 135') which can be moved by the drive (150) is formed for the fluid in the actuator (130), in order to transport the fluid in the cavity (135, 135') from the fluid inlet (111, 113) to the fluid outlet (113, 111). At least one portion of the actuator (130) has a separating layer (1380), by means of which direct contact between the fluid and the actuator (130) is prevented in the portion of the actuator (130).
The invention relates to a transport device (100) comprising a housing (110), an actuator (130), a drive (150) and a sealing element (170). The housing has a fluid inlet (111, 113) and a fluid outlet (113, 111). The actuator (130) comprises a magnetic shape-memory alloy, and the actuator (130) is arranged at least partly in the housing (110). The actuator (130) can be deformed by the drive (150) in such a way that at least one cavity (135) for the fluid, which cavity can be moved by the drive (150), is formed in the actuator (130) in order to transport the fluid in the cavity (135) from the fluid inlet (111, 113) to the fluid outlet (113, 111). The sealing element (170) is designed in such a way and is arranged between the actuator (130) and the housing (110) in such a way that the cavity (135) is edge-sealed or end-sealed during the transport of the fluid from the fluid inlet (111, 113) to the fluid outlet (113, 111).
The invention relates to a conveying device (400) comprising a housing (410), an actuator (430), a drive (450) and a sealing element (470). The housing has a fluid inlet (411, 413) and a fluid outlet (413, 411). The actuator (430) comprises a magnetic shape memory alloy, and the actuator (430) is arranged at least partially in the housing (410). The actuator (430) can be deformed by the drive (450) such that two cavities (635, 635'), which can be moved by the drive (450), for the fluid are formed in the actuator (430) in order to convey the fluid in the cavities (635, 635') from the fluid inlet (411, 113) to the fluid outlet (413, 411). The sealing element (470) has at least one recess (471,...), and the sealing element (470) is arranged in the housing (410) such that the cavities (635, 635') are at least temporarily connected in a fluid-communicating manner via the recess (471,...) while the fluid is conveyed from the fluid inlet (411, 413) to the fluid outlet (413, 411).
The invention relates to composite materials based on tungsten carbide and comprising gold, palladium and/or platinum and to a method for producing said composite materials by sintering. By means of the FAST method, hard and biocompatible WC/(Au, Pd, Pt) composite materials can be produced, inter alia for use as coatings on tools and prostheses and as solid bodies in, for example, blood pumps.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
C04B 35/56 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C22C 29/06 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
C22C 29/08 - Alloys based on carbides, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e. g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
A61M 1/12 - Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps implantable into the body
10.
Pump device having a micro pump and bearing member for a micro pump
The invention relates to a micro pump, comprising an inner rotor arranged on a shaft and an outer rotor, which form a rotor unit including a delivery chamber for fluid, wherein the pump comprises a multi-functional bearing member for the shaft with improved lubrication, to a bearing member for a micro pump and to an operating method.
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F01C 21/10 - Outer members for co-operation with rotary pistonsCasings
11.
Magnetically driven pump arrangement having a micropump with forced flushing, and operating method
A pump arrangement is disclosed including a magnetically drivable micropump for pumping a liquid pumping medium, a bearing carrier as a base part, and an outer magnet and an inner magnet which transmit a torque to the micropump via an axial shaft. Three radial bearing pieces for the rotational mounting (guidance) of the shaft and of the micropump are positioned and fixed in the bearing carrier. The micropump is held in an eccentric bearing by a cover arranged at an end. A duct structure for a forced flow is provided including at least one radial duct portion in the cover and an axial duct portion in the bearing carrier to flush and/or to lubricate the bearings actively with the pumping medium. One of the bearings is arranged closer to the inner magnet and/or another of the bearings is arranged closer to the micropump.
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
12.
MICROPUMP, BEARING ELEMENT FOR A MICROPUMP, AND WORKING METHOD
The invention relates to a micropump, comprising an inner rotor arranged on a shaft and an outer rotor, said rotors forming a rotor unit comprising a delivery chamber for fluid, wherein the pump comprises a multifunctional bearing element for the shaft, said bearing element having improved lubrication.
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
13.
MAGNETICALLY DRIVEN PUMP ARRANGEMENT HAVING A MICROPUMP WITH FORCED FLUSHING, AND OPERATING METHOD
Disclosed is a pump arrangement which has a magnetically drivable micropump (P) for delivering a liquid medium and which has a bearing holder (22) as a base part. An outer magnet (44) and an inner magnet (40) are provided which transmit a rotational movement to the micropump (P) via an axial shaft (10). Three radial bearing pieces (1, 2, 3) for rotatably mounting (guiding) the shaft (10) and the micropump (P) are disposed and fixed in the bearing holder (22), wherein one of the bearings (3) rotatably holds the outer rotor (80) of the micropump and is arranged eccentrically with respect to the shaft (10). The micropump (P) is held in the eccentric bearing (3) by a front cover (26). A duct structure (23) for a forced flow is provided, said duct structure having, on the pressure side, at least one radial duct portion (23b) in the cover (26) and an axial duct portion (23c, 23e) in the bearing holder (22) in order to actively flush and/or lubricate the bearings (1, 2, 3) with the delivered medium. One of the bearings (2) is arranged closer to the inner magnet (40), and/or another of the bearings is arranged closer to the micropump (P).
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
patents
