Abstract: A microcolumnar structured material having a desired material. The columnar structured material includes columnar members obtained by introducing a filler into columnar holes formed in a porous material. The porous material has the columnar holes formed by removing columnar substances from a structured material in which the columnar substances containing a first component are dispersed in a matrix member containing a second component capable of forming a eutectic with the first component. The matrix member may be removed. In the columnar structured material, the filler is a conductive material, and an electrode can be structured by electrically connecting the conductive materials in at least a part of a plurality of holes to a conductor.

Abstract: A supply device for the supply of pressure fluid into at least one vehicle brake or into a pressure fluid accumulator, wherein a piston is movably arranged in an accommodating member, a carrier bears a non-return valve arranged coaxially to the piston for the purpose of ventilating a working chamber into which the piston plunges, and wherein a resetting spring is arranged between the carrier and the piston. A multi-piece cage facilitating inserting the resetting spring into the cage parts, the cage parts comprise a fastener that locks the cage due to relative displacement of the cage parts, and the resetting spring is caged and simultaneously elastically preloaded under the relative displacement of the cage parts.

Abstract: A method of manufacturing a dot pattern includes the steps of preparing a structured material composed of a plurality of columnar members containing a first component and a region containing a second component different from the first component surrounding the columnar members, with the structured material being formed by depositing the first component and the second component on a substrate, and removing the columnar members from the structured material to form a porous material having a columnar hole. In addition, a material is introduced into the columnar hole portions of the porous material to form a dot pattern, and the porous material is removed.

Abstract: The invention relates to a supply device for the supply of pressure fluid into at least one vehicle brake or into a pressure fluid accumulator, wherein a piston is movably arranged in an accommodating member, a carrier bears a non-return valve arranged coaxially to the piston for the purpose of ventilating a working chamber into which the piston plunges , and wherein a resetting spring is arranged between the carrier and the piston. It is the essence of the invention that a multi-piece cage allows inserting the resetting Spring into the cage parts, the cage parts comprise fastening means that lock the cage due to relative displacement of the cage parts, and the resetting spring is caged and simultaneously elastically preloaded under the relative displacement of the cage parts.

Abstract: A supply device for the supply of pressure fluid into at least one vehicle brake or into a pressure fluid accumulator, wherein a piston is movably arranged in an accommodating member, a carrier bears a non-return valve arranged coaxially to the piston for the purpose of ventilating a working chamber into which the piston plunges, and wherein a resetting spring is arranged between the carrier and the piston. A multi-piece cage facilitating inserting the resetting spring into the cage parts, the cage parts comprise fastening means that lock the cage due to relative displacement of the cage parts, and the resetting spring is caged and simultaneously elastically preloaded under the relative displacement of the cage parts.

Abstract: A microcolumnar structured material having a desired material. The columnar structured material includes columnar members obtained by introducing a filler into columnar holes formed in a porous material. The porous material has the columnar holes formed by removing columnar substances from a structured material in which the columnar substances containing a first component are dispersed in a matrix member containing a second component capable of forming a eutectic with the first component. The matrix member may be removed. In the columnar structured material, the filler is a conductive material, and an electrode can be structured by electrically connecting the conductive materials in at least a part of a plurality of holes to a conductor.

Abstract: A hydraulic unit for a slip-controlled brake system includes noise damping chambers (6), and at least one element which defines a direction of inflow and outflow of the pressure fluid for the throughflow and deviation of the pressure fluid in the noise damping chamber (6). In one embodiment, this is accomplished by two inclined channels (10, 11). An inclined channel (10) extends from a lateral surface of the accommodating member (1) through the wall of the pump bore (3), said inclined channel (10) opening at an acute angle in the area of the bottom of the noise damping chamber (6). Likewise, an additional inclined channel (11) extends from the lateral surface of the accommodating member (1) at an acute angle through the wall of the noise damping chamber 6, said inclined channel (11) opening in the bottom area of a valve accommodating bore (2) in the first valve row X.

Abstract: A method of manufacturing a dot pattern includes the steps of preparing a structured material composed of a plurality of columnar members containing a first component and a region containing a second component different from the first component surrounding the columnar members, with the structured material being formed by depositing the first component and the second component on a substrate, and removing the columnar members from the structured material to form a porous material having a columnar hole. In addition, a material is introduced into the columnar hole portions of the porous material to form a dot pattern, and the porous material is removed.

Abstract: A piston pump (10) for a hydraulic consumer of an electronically controlled vehicle brake system, carries a stepped piston (50, 50?) and centers a sealing assembly (26, 26?) which is retained in an axial direction Ax by a step (52, 52?) on the stepped piston (50, 50?), on the one hand, and is retained by a spring cage (53, 53?), on the other hand. The stepped piston (50, 50?) includes a plane support (54, 54?) for plane support legs (55a,b,c; 55a,b,c?) of the spring cage (53, 53?) The stepped piston (50, 50?) includes radially inwards, with respect to the support (54, 54?), a stepped bore (56, 56?), with the bore (56, 56?) accommodating centering legs (57a,b,c; 57a,b,c?) of the spring cage (53, 53?). Coaxially as well as inside the stepped bore (56, 56?), a spring-loaded valve member (59, 59?) of a non-return valve is arranged.

Abstract: A method of manufacturing a dot pattern includes the steps of preparing a structured material composed of a plurality of columnar members containing a first component and a region containing a second component different from the first component surrounding the columnar members, with the structured material being formed by depositing the first component and the second component on a substrate, and removing the columnar members from the structured material to form a porous material having a columnar hole. Additional steps include introducing a mask material into the columnar hole of the porous material to form a dot pattern, and removing the porous material.

Abstract: In order to produce a compact hydraulic unit for use in an electrohydraulic braking system, the invention discloses that a first accommodating bore for a first feeding device of a pump is passed through between valve accommodating bores of a first and second valve row, and in that second and third accommodating bores for the accommodation of second and third feeding devices of the pump ae passed through between valve accommodating bores; of a third valve row.

Abstract: Disclosed is a hydraulic unit including an accommodating member having a first housing surface. The first housing surface has valve accommodating bores (X1-X4) in several valve rows (X, Y, Z), several inlet valves are arranged in a first valve row (X),several outlet valves are arranged in a second valve row (Y), and at least one separating valve is arranged in a third valve row (Z). The third valve row (Z) is arranged between the first and the second valve row (X, Y) in order to permit channel connections to a pump accommodating bore (5) which are as short as possible.

Abstract: A piston pump (10) for supplying pressure fluid into at least one vehicle brake, into a master cylinder, into a pressure fluid reservoir, or into a pressure fluid accumulator of a controlled vehicle brake system, is integrated into an accommodating member (3) in a simple and space-saving manner. A plurality of valve seats (38, 54) of non-return valves (32, 33, 36, 37) are kept as free as possible from pressing or attaching forces in that a sleeve (18, 19) has a radial flange for being secured in position between a closing member (52) and the accommodating member (3).

Abstract: A semiconductor device array comprising highly densely arranged nano-size semiconductor devices is prepared by a simple method. The array comprises a porous body having cylinder-shaped pores formed by removing cylinder-shaped regions from a structure that includes a matrix member formed so as to contain silicon or germanium and the cylinder-shaped regions containing aluminum and dispersed in the matrix member, semiconductor regions formed in the pores, each having at least a p-n or p-i-n junction, and a pair or electrodes, arranged respectively on the top and at the bottom of the semiconductor regions. The semiconductor regions and the pair of electrodes form a plurality of semiconductor devices on a substrate.

Abstract: A hydraulic unit for a slip-controlled brake system includes noise damping chambers (6), and at least one element which defines a direction of inflow and outflow of the pressure fluid for the throughflow and deviation of the pressure fluid in the noise damping chamber (6). In one embodiment, this is accomplished by two inclined channels (10,11). An inclined channel (10) extends from a lateral surface of the accommodating member (1) through the wall of the pump bore (3), said inclined channel (10) opening at an acute angle in the area of the bottom of the noise damping chamber (6). Likewise, an additional inclined channel (11) extends from the lateral surface of the accommodating member (1) at an acute angle through the wall of the noise damping chamber 6, said inclined channel (11) opening in the bottom area of a valve accommodating bore (2) in the first valve row X.

Abstract: In order to produce a compact hydraulic unit for use in an electrohydraulic braking system, the invention discloses that a first accommodating bore for a first feeding device of a pump is passed through between valve accommodating bores of a first and second valve row, and in that second and third accommodating bores for the accommodation of second and third feeding devices of the pump ae passed through between valve accommodating bores; of a third valve row.

Abstract: To obtain a microcolumnar structured material having a desired material. The columnar structured material includes columnar members 15 obtained by introducing a filler into columnar holes formed in a porous material. The porous material has the columnar holes 14 formed by removing columnar substances from a structured material in which the columnar substances 12 containing a first component are dispersed in a matrix member 13 containing a second component capable of forming a eutectic with the first component. The matrix member 13 may be removed. In the columnar structured material, the filler is a conductive material, and an electrode can be structured by electrically connecting the conductive materials in at least a part of a plurality of holes to a conductor.

Abstract: A piston pump (10) for a hydraulic consumer of an electronically controlled vehicle brake system, carries a stepped piston (50, 50?) and centers a sealing assembly (26, 26?) which is retained in an axial direction Ax by a step (52, 52?) on the stepped piston (50, 50?), on the one hand, and is retained by a spring cage (53, 53?), on the other hand. The stepped piston (50, 50?) includes a plane support (54, 54?) for plane support legs (55a,b,c; 55a,b,c?) of the spring cage (53, 53?) The stepped piston (50, 50?) includes radially inwards, with respect to the support (54, 54?), a stepped bore (56, 56?), with the bore (56, 56?) accommodating centering legs (57a,b,c; 57a,b,c?) of the spring cage (53, 53?). Coaxially as well as inside the stepped bore (56, 56?), a spring-loaded valve member (59, 59?) of a non-return valve is arranged.

Abstract: The present invention relates to a hydraulic unit for slip-controlled brake systems which includes a third row of valves in the accommodating member between a first row of valves having the valve-accommodating bores for the inlet valves and the second housing surface wherein the third row of valves includes at least in one valve-accommodating bore an electric change-over valve which is closed in its basic position and hydraulically linked to the pump-accommodating bore by way of a portion of a suction channel that traverses the first row of valves for connection to the pump-accommodating bore.

Abstract: A thermoelectric conversion material and a thermoelectric conversion device having a novel structure of an increased figure of merit are provided by forming nano-wires of thermoelectric material in a smaller cross-sectional size. The thermoelectric conversion material comprises nano-wires obtained by introducing a thermoelectric material (semiconductor material) into columnar pores of a porous body. The porous body is formed by providing a structure in which columns of a column-forming material containing a first component (for example, aluminum) are distributed in a matrix containing a second component (for example, silicon or germanium or a mixture of them) being eutectic with the first component, and then removing the column-forming material from the structure. The average diameter of the nano-wires of the thermoelectric material is 0.5 nm or more and less than 15 nm, and the spacing of the nano-wires is 5 nm or more and less than 20 nm.