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Van Seters, S.M. (author), Gerstel, A.W. (author)The invention relates to a silo comprising a vertical wall (1), a roof (2), a central column (4) and a freely rotatable intermediate bin (3) between the roof and the central column, the intermediate bin being equipped with a feeder screw (5), and also a telescopic chute (ef) which is positioned on the discharge side of the feeder screw and a...patent 1998
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Snijder, J. (author)The drill head consists of a pointed end with cutting edges (5) on the ends of the flutes (3). The endface of the drill head, opposite the pointed end, incorporates a central blind hole (6). A separate drill shaft (2) has a cylindrical protrusion at its end which fits into the hole in the drill head to which it is attached by hard soldering. The...patent 1998
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Willemse, A.W. (author), Merkus, H.G. (author)Described is a method for measuring the particle size of ultra-small particles (202) which are suspended in a fluid. Laser light (121, 123) is guided via a first optical path (160) to a suspension (201), and light (125) scattered by the particles (202) in the suspension (201) is guided to an optical detector (140) via a second optical path (170)...patent 1998
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Maase, S.J.F. (author)The instrument has a stem (1) with a working portion at its distal end and an operating handle (6) at its proximal end, together with an actuating component (5). The handle forms an oblong grip which is slightly convexly curved to fit in the palm of the hand. The actuating component is situated at the handle end where this is joined to the stem....patent 1998
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Herder, J.L. (author), Horward, M.J. (author)The invention relates to manipulating pliers especially but not exclusively for surgical purposes, comprising a frame, at a first side of the frame a control handle and at a second side opposite the first side of the frame a gripper as well as a coupling between the control handle and the gripper. The control handle and the gripper are each...patent 1998
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Van Poppel, E.J.M. (author), Rem, P.C. (author)The invention relates to a method of the continuous dehydration of sludge wherein, prior to dehydration, water is mechanically removed from the sludge and the thus obtained sludge of cutting consistency is mixed with heated spheres. According to the invention dehydration is carried out at reduced pressure, wherein the sludge from which water has...patent 1998
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Van Loosdrecht, M.C.M. (author), Jetten, M.S.M. (author)The invention relates to a method of treating ammonia-comprising waste water in which the bicarbonate ion is the counter ion of the ammonium ion present in the waste water. According to the invention half the ammonium is converted into nitrite, yielding an ammonia- and nitrite-containing solution, and in the second step the nitrite is used as...patent 1998
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Loosdrecht, M.C.M. (author), Jetten, M.S.M. (author)Treatment of ammonia-comprising waste water comprises: (a) subjecting the waste water to a nitrification treatment using a nitrifying microorganism and adding oxygen, to give a solution comprising an oxidation product of ammonia, and (b) converting the oxidation product of ammonia into nitrogen using a denitrifying microorganism, use of...patent 1998
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Hemmes, K. (author), Dijkema, G.P.J. (author)A method of operating a molten carbonate fuel cell having an anode and a cathode and in between a matrix comprising molten carbonate. Carbon dioxide is introduced into the matrix at a distance from the cathode. This greatly reduces the cathode's deterioration and in the system design increases the control potential of the fuel cell. A fuel cell...patent 1998
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Van der Puil, N. (author), Calis, H.P.A. (author), Oudshoorn, O.L. (author), Jansen, J.C. (author), Van Bekkum, H. (author)The invention relates to the preparation of composite catalysts consisting of a support material and a molecular sieve crystal phase that is present on the surface of the support material. The molecular sieve crystals can, as desired, be provided both on the inside and on the outside of a porous support material. With the method according to the...patent 1998
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Metselaar, J.W. (author), Kuznetsov, V.I. (author)The invention relates to a thin-film solar cell provided with at least one p-i-n junction comprising at least one p-i junction which is at an angle alpha with that surface of the thin-film solar cell which collects light during operation and at least one i-n junction which is at an angle beta with the light-collecting surface. In this context,...patent 1998
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Bakker Wridzer, J.W. (author), Kapteijn, F. (author), Moulijn, J.A. (author)The invention relates to a rotary reactor consisting of a number of tubular reaction compartments (A), each provided with a first end and a second end, a ceramic first reactor end plate (B) in which said first ends are received, and a second end plate (B) in which said second ends are received, which end plates (B, B) are further provided with...patent 1998
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Borra, J.P.D. (author)The invention relates to a method of manufacturing a dry powder particle, preferably using electrohydrodynamic spraying, wherein two oppositely charged aerosol streams are contacted. The invention allows for the manufacture of powders having various, controllable compositions and shapes. In particular the method according to the invention may be...patent 1997
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Van Turnhout, J. (author)A device for storing and gradually dispensing heat or cold is described, comprising a container having an at least partially heat-conducting wall which encloses a space in which a material having a high heat capacity is present, formed by a hydrophilic polymer which contains or is able to contain 50-99.5 wt.% of water, based on the sum of...patent 1997
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Beukers, A. (author), De Winter, S.E.E. (author), Brouwer, W.D. (author)Self-supporting refrigerated truck comprising a floor, two side walls, a front bulkhead and a roof. The components are all constructed as sandwich panels. The connection between the rear axle construction of the refrigerated truck and the front is not provided with longitudinal beams. The function of the chassis is taken over by the side walls ...patent 1997
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Van Hardeveld, R. (author), Makkee, M. (author), Moulijn, J.A. (author), Jelles, S.J. (author)A method and apparatus for the oxidation of liquid or solid contaminants in the exhaust gas from diesel engines is provided. The process is conducted by passing the contaminated diesel engine exhaust gas through a turbulent gas flow, particulate separator, wherein this separator contains a plurality of separate and serially-arranged vertical...patent 1997
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Marijnissen, J.C.M. (author), Willemse, A.W. (author), Roos, R.A. (author)Described is an improved method for measuring the particle size of ultrasmall particles (111) which are suspended in a fluid. Laser light (121) is scattered by the particles, and the scattered light (122) is received by a light detector (131) which provides an electrical measuring signal (Sm) which is representative of the intensity of the...patent 1997
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Heerens, W.C. (author), Laham, C.D. (author), Holman, A.E. (author)An XY-displacement device (1) with a four-fold symmetry comprises a reference frame (10); an object mount (20) for holding an object (22) to be displaced; an X-manipulator (100) coupled between the reference frame (10) and the object mount (20), which provides a rigid coupling between the object mount (20) and a piezoelectric X-actuator (140),...patent 1997
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Janssen, G.C.A. (author)Abstract of WO 9749122 (A1) Method for making a conducting connection between two spaced metallic layers situated in a semiconductor substrate. After a hole, a so-called via, has been made by etching, tungsten or aluminium is introduced into the hole by conventional techniques, such as CVD or force filling. In order to provide optimum connection...patent 1997
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Zee, F. (author), Holweg, E.G.M. (author), Regtien, P.P.L. (author), Jongkind, W. (author)Abstract of WO 9740339 (A1) The invention relates to a tactile sensor comprising a base plate provided at a first side with a plurality of electrically conducting wires forming a row, and provided at a second side opposite to the first side of the base plate with a plurality of electrically conducting wires forming a column, each of these wires...patent 1997