baber/WOPTO huggingface dataset:
Patent DE-4219689-A1 (DE)
Title: Stereo loudspeaker system mounted on pedestals of pentagonal section - has upper and lower frequency band loudspeakers paired with each other at two different levels on each pedestal.
Inventor: KEPLINGER RAINER
IPC: H04R5/02
Filed: 1992-06-16
Abstract: The system is mounted on pedestals. The top (5) and base (7) of each pedestal (3) are regular pentagons joined by sidewalls at equal angles ( alpha ) of 108 deg. Of the two active sidewalls (9,11) which adjoin each other, one carries a tweeter (13) above a woofer (17), while on the other sidewall the loudspeakers are transposed. The left-hand and right-hand channel pedestals are disposed so that the respective sidewalls having the woofers uppermost are angled towards each other, the tweeter-uppermost sidewalls away from each other, and the rear walls (33) in a common plane. ADVANTAGE - Vertical position of listener can be varied without incurring any change of tone.
Patent DE-4221900-A1 (DE)
Title: Artificial-stone road-surface component - has side protrusions forming gaps with adjacent components and groove in bottom connecting gaps together
Inventor: KOMPA HANS DIPL ING
IPC: E01C5/06
Filed: 1992-07-03
Abstract: The component sidewalls (16,18,20,22) between the top (12) and bottom (14) surfaces have protrusions (24), so as to form gaps between it and adjacent ones, while a groove (30) in the bottom surface runs between opposite walls, connecting the gaps together. The protrusions can be at diagonally opposite positions and near the corners. The protrusions on opposite walls can be mirror-images of each other, and can have relatively large flat supporting faces. They can be flush with the underside, and can extend for 50 to 80% of the thickness of the component. The groove in the underside can be of square, rectangular, trapezium or semicircular cross-section. USE/ADVANTAGE - Artificial-stone road-surface component is easily laid, and enables easy absorption and runoff of large amounts of rainwater.
Patent DE-4222805-A1 (DE)
Title: Vacuum cleaner with disinfecting unit - has clip-on battery unit on suction head providing UV or IR radiation, with transmission via optical fibres
Inventor: BLOCK HUBERT K
IPC: A47L7/00
Filed: 1992-07-10
Abstract: The mains-operated vacuum cleaner has a disinfecting unit using heat and/or light radiation. Externally-mounted on the suction head, there is a battery for a circuit generating either ultra-violet or infra-red light, the light being transmitted to the suction head via optical fibres. Hot air (from infra-red radiation) is also transmitted to the head by a tube. The whole package of tubes and fibres is a one-piece unit. Between the suction head and the hose to the dust chamber is a spring-tensioned safety switch for the disinfecting unit. It is held onto the head in pillion fashion by snap catches. ADVANTAGE - Unit is perfectly safe and is compact in size.
Patent DE-4224337-A1 (DE)
Title: Blind rivet with sleeve - has auger bit attached to rivet pin head, and gun with pin removal facility
Inventor: ALIX CLAUDE
IPC: B21J15/04
Filed: 1992-07-23
Abstract: The blind rivet (1) has a sleeve (4) in which a rivet pin with an expanding head (7) is located. An elongated shaft (6) extends from the expanding head beyond the sleeve (4). It is connected to the head by a narrow portion (11) The head has an auger bit (8) attached to it. The dia. of the auger bit is greater than the dia. of the rivet sleeve (4). The rivet gun has a rotating drive motor, and has a removal facility to remove the rivet pin. USE/ADVANTAGE - Blind rivet with sleeve is operable using a single work-tool.
Patent DE-4224470-A1 (DE)
Title: Solenoid activated fluid power directional flow valve - has armature integral with sliding valve element used to control flow through valve ports.
Inventor: WIDERA JOERG
IPC: F16K31/08
Filed: 1992-07-24
Abstract: The solenoid operated valve (10) for use in directional control of liquids or gases has a moving valve element provided directly by an armature element of an actuator unit. The sliding element is in the form of a flat cylindrical element (19) with a central hole (44) and a permanent magnet ring (41) on an inner ring (39). The sliding element is moved between two pole shoes (23, 24) that form part of the yoke of the magnetic circuit that is excited by a coil (51). Movement of the sliding element opens and closes valve orifices. A rectangular section element may also be used. USE/ADVANTAGE - Simple, cost effective solenoid actuated valve. Reduced transverse-magnetic effects, reducing friction and reducing switching time.
Patent DE-4224891-A1 (DE)
Title: Hand-held fire extinguisher - has internal container in which fire extinguishing foam is produced
IPC: A62C13/74
Filed: 1992-07-28
Abstract: The hand-held fire extinguisher is extended for use in extinguishing fires caused by inflammable liquids. The extinguisher consists of a bottle with an opening (2) at its upper end. A stand pipe (8) which extends through the opening has its lower end connected to an inner container (23) in which the extinguishing foam is produced. The upper end of the stand pipe is connected to a flexible hose (7). A cartridge (12) contains the actuating gas and is fitted with a valve (17) which can be opened by means of an externally mounted lever. USE/ADVANTAGE - Hand-held fire extinguisher which produces foam for extinguishing fires caused by inflammable liquids.
Patent DE-4233478-A1 (DE)
Title: Purification of air contaminated with volatile cpds. - passes bubbles of raw air up through scrubber where impurities are e.g. oxidised and washed before being passed through absorbent polymer
IPC: B01D53/04
Filed: 1992-10-05
Abstract: Air currents contaminated with volatiles are purified by first passing them through a reaction stage (preferably oxidation) and then through a polymer absorbent of a thermoplastic rubber chosen from monovinyl-arene-conjugated diene-block polymers, mono-vinyl-arene-monoolefin block polymers and hydrated derivs. which are coated or enveloped in small quantities of hydrophobic silica. The block polymer is preferably chosen from polystyrene-polybutadiene-polystyrene, polystyrene-polyisoprene-polystyrene and polystyrene-poly-(ethylene/butylene)/polystyrene A-B-A three-block polymers; polystyrene-polybutadiene and polystyrene-polyisoprene A-B radial, or branched block copolymers; polystyrene-polybutadiene, polystyrene-poly(ethylene/propylene) and polystyrene-poly(ethylene/butylene) A-B two-block copolymers. ADVANTAGE - The method is simple, and can purify contaminated exhaust draughts over long periods and ensure that prescribed limits to emission are not exceeded over such long periods.
Patent DE-4234265-A1 (DE)
Inventor: HUELSKEN GEORG DR ING
IPC: H02G15/22
Filed: 1992-10-10
Abstract: The invention relates to a termination for a pressurised cable having at least one line - especially a telecommunications line - which is carried in the pressurised cable, having at least one gas-tight line bushing for lines which are carried, having a pressure conveying tube and distribution housing, and oil or gas as the pressure medium. The termination is distinguished by the fact that the distribution housing (12) is provided with a connecting stub for the attachment of line bushings (28, 31), that a chamber (which is called a pressure protection chamber (400)) is provided outside the first-mentioned line bushings (28, 31), at least one second line bushing (33, 33') being provided in the wall of said chamber for lines which are carried in the cable, and that the connecting stub (20), the wall of the pressure protection chamber (400) and the second line bushings (33, 33') are pressure-resistant and are sealed against the passage of the pressure medium. The termination is used to pass out at least one electrical or optical line (32, 32') which is located in pressurised cables. The termination - especially for multicore power cables - can be used just as well for cables which are pressurised by oil or external gas pressure. <IMAGE>
Patent DE-4241873-A1 (DE)
Title: Oil pump for engine lubrication - has inner gear and outer gear which form pump chambers with increased suction efficiency
Inventor: SUYAMA TETSUYA
IPC: F04C2/10
Filed: 1992-12-11
Abstract: The oil pump has an inner gear wheel (15) and an outer gear wheel (16) in a pump housing (12). The pump assembly is designed so that the two gears form chambers (17,18,19,20,21) with inlet (30) and outlet (31) openings. A middle line of the floor section in one of the pump chambers, which is isolated from the inlet and outlet openings, is inclined at a predetermined angle to a second line which joins the middle point of the inner and outer gears. USE/ADVANTAGE - Oil pump for the lubrication of an engine in which the suction efficiency in the pump chamber is increased.
Patent DE-4243823-A1 (DE)
Title: Opto=coupler mfr. with heat-resistant plastic-coated assembly strip
Inventor: WEIGL MARTIN DIPL ING
IPC: H04B10/80
Filed: 1992-12-23
Abstract: The method involves spraying a strip (1) of e.g. Copper alloy with plastic which forms a pot-shaped lower portion (2) with a 5 mm square base which is 2 mm high. Transmitting and receiving semiconductor chips (3,4) are placed in the opening and connected by eg. 230 micron thick Gold wire.The opening is filled with eg. 1 ml. of transparent epoxy resin (5) and capped (6) with more plastic under a snap fastening. High reflectivity under the cap enhances transmitter-receiver optical coupling (7).
Patent DE-4306640-A1 (DE)
Title: Navigation device
Inventor: KLASCHKA RUEDIGER
IPC: G01C21/00
Filed: 1993-03-03
Abstract: A navigation equipment (10) has a push-in unit (14) as well as a flat display (16) which is arranged detachably on the front wall of said push-in unit (14). A freely programmable computer (26), a semiconductor bulk memory (28), a screen driver board (24) and a measurement unit (32) are accommodated in the push-in unit (14). The measurement unit (32) receives various signals transmitted from navigation satellites and uses them to calculate the location of the vehicle. The computer (26) outputs on the flat display (16) that section of the map which is stored in the bulk memory (28) which is around the location or is in front of the location seen in the direction of movement. <IMAGE>
Patent DE-4306717-A1 (DE)
Title: Reactive dye brilliant blue mixture
Inventor: HILDEBRAND DIETRICH DIPL CHEM
IPC: D06P3/87
Filed: 1993-03-04
Abstract: Dye mixture comprising at least two reactive dyes having different chromophors, characterized in that at least one triphendioxazine dye 1 of the formula 1.1 to 1.3 and at least one copper phthalocyanine dye 2 of the formula 2.1 to 2.4 and also, optionally, a copper formazan dye 3 of the formula 3.1 to 3.3 is present.
Patent DE-4310044-A1 (DE)
Title: Circuit arrangement for generating an adjustable, controlled direct voltage for a control unit of a device which is operated by three-phase current, in particular of a three-phase asynchronous motor
Inventor: REITTER ENGELBERT
IPC: G05F1/30
Filed: 1993-03-27
Abstract: The invention relates to a circuit arrangement for generating an adjustable, controlled direct voltage for a control unit of a device which is operated by three-phase current, in particular of a three-phase asynchronous motor, comprising a transformer for transforming the alternating voltage and a rectifier circuit connected downstream. To achieve a high resistance to voltage spikes and the adjustability to different voltages in the context of a structurally simple design, such a circuit arrangement is distinguished by an antiparallel arrangement of power semiconductors, such as thyristors (Th2), triacs, alternistors for phase gating control in the primary circuit of the transformer (T), a comparison circuit (V) at the output of the rectifier circuit (GL) for comparing the actual direct voltage with the desired direct voltage, and a control arrangement (ASt) for driving the arrangement of power semiconductors (Th2) in dependence on the desired value deviation of the direct voltage. <IMAGE>
Patent DE-4312432-A1 (DE)
Title: Method for measuring liquid levels and flow rates in low-concentration electrolytes
Inventor: POTHMANN WERNER DR
IPC: G01D5/24
Filed: 1993-04-17
Abstract: These electrolytes are contained in a container having at least one pair of electrodes and being used as measuring cell. The arrangement of container, electrolyte and two uninsulated electrodes arranged at an arbitrary distance from one another is used as a galvanic cell which is comparable to an accumulator. The galvanic cell is used as accumulating element in a relaxation oscillator, in such a manner that the frequency of the relaxation oscillator, which is dependent on the electrode surface covered by the electrolytic fluid, or the changes in frequency caused by changes in the surface of the electrodes covered, are used for measuring the liquid levels and flow rates. <IMAGE>
Patent DE-4313371-A1 (DE)
Title: Battery operated dry razor - has three parallel floating heads, outer heads floating within separate carriers, middle one floating in head frame
Inventor: TANAHASHI MASAO
IPC: B26B19/10
Filed: 1993-04-23
Abstract: The razor has three parallel oblong cutting heads floating on pairs of spring members. Each head can be moved vertically within the head frame and the outer heads have separate carriers within the head frame. The middle spring members are located in the end walls of the head frame while the outer spring members are located in the end walls of the carriers. The outer cutting heads (for fine cutting) have a curved perforated foil which is fixed, within which reciprocates a member with a number of cutting blades, these having the same curved contour as the foil. The middle cutting head (for coarse cutting) is similar but with a flat contour. ADVANTAGE - Compact design.
Patent DE-4314041-A1 (DE)
Title: Flameproofed thermoplastic moulding compositions having good heat resistance, flow behaviour and toughness
Inventor: MAGERSTEDT HERBERT DIPL ING
IPC: C08K5/00
Filed: 1993-04-29
Abstract: The invention relates to flameproofed thermoplastic moulding compositions based on polyalkylene terephthalate and thermoplastic polyurethane, and to very tough and resilient, extremely readily flowable, heat-resistant and flameproofed mouldings which can be produced from these thermoplastic moulding compositions, in particular for cable cladding (sheathing materials) or for mouldings which have a corresponding specification profile.
Patent DE-4320374-A1 (DE)
Title: Method of producing bodies with outer free-form surfaces
Inventor: STEINHART PAUL DIPL ING
IPC: F01D5/14
Filed: 1993-06-19
Abstract: The invention relates to a method of producing bodies with outer free-form surfaces, such as turbine guide blades. A method is aimed at which enables such bodies to be produced in a simple and cost-effective manner. This is achieved by blanks being produced from flat sheet billets, whereupon shaping is carried out by deep drawing, which is followed by trimming of the shaped blanks, and these blanks are prepared for welding to form a hollow body shaped and/or twisted as desired, and then the welds are machined smooth at the transitions. <IMAGE>
Patent DE-4321556-A1 (DE)
Title: Roller with operating members for depth improvement of soils
Inventor: HUBRICH FRANK
IPC: A01B9/00
Filed: 1993-06-29
Abstract: The invention relates to a roller with operating members for homogenizing and loosening soils and for mixing in soil-improving substances in the case of improvement depths of over 80 cm and stones occurring over pre-levelled areas. This takes place in that a vertically adjustable extension arm bears, at its tip, a roller-drum body which is provided, according to the invention, with different operating members. Said operating members are arranged to be offset in a number of rows. When the extension arm is lowered and rotary and forwards- travelling movements are taking place simultaneously, cutters loosen the soil in the downwards cut and mixing of the soil with previously applied additives takes place in order to provide surface areas which can be used for agricultural purposes and to provide greenery for commercial forestry timberland. <IMAGE>
Patent DE-4321837-A1 (DE)
Title: Preparation of fatty alcohols by hydrogenation of fat derivatives, in particular fatty acid methyl esters
Inventor: KUBERSKY HANS-PETER DR
IPC: C07C31/125
Filed: 1993-07-01
Abstract: The process is operated continuously in at least two fixed-bed reactors (1, 2) arranged in series in the presence of hydrogenation catalysts (3, 4) and hydrogen in stoichiometric excess at static pressures of 50 to 300 bar and temperatures of 160 to 320 DEG C. The feed of fat, oil or fat derivative to be hydrogenated is divided into two part-streams, of which one part-stream flows into the first reactor (1) and from there into the subsequent reactors (2) and the other part-stream flows directly into one of the subsequent reactors (2). A higher economic efficiency is achieved due to better utilisation of the catalyst. <IMAGE>
Patent DE-4326084-A1 (DE)
Inventor: WOLF ANTON
IPC: B60B39/00
Filed: 1993-07-30
Abstract: In an anti-skid device for motor vehicles, chain sections (4) are hurled into the area of the road-contacting surface of the tyre by a rotating holder (3). In order to rotate the holder (3), a driving unit (3) presses the holder (3) against the flank of the corresponding tyre (2). A compressed gas source (12) in the form of commercially available, exchangeable compressed gas cartridges (13) arranged in the driver's cabin (1) of the vehicle is used to drive the driving unit (6).
Patent DE-4328818-A1 (DE)
Title: Mercury free alkaline cell - has electrolyte contg. bismuth cpd. to prevent hydrogen evolution at zinc negative electrode
Inventor: WATANABE MITSUTOSHI
IPC: H01M6/06
Filed: 1993-08-27
Abstract: In a mercury-free alkaline cell contg. zinc as the active material of the negative electrode, the electrolyte soln. contains a bismuth cpd., pref. in amount (calculated as bismuth oxide ) of 5ppm to 1 wt. (based on zinc), and opt. an indium cpd. pref. in amount (calculated as indium oxide) of 5 ppm to 1 wt. (based on zinc). ADVANTAGE - Prodn. of hydrogen gas, caused by small amounts of impurities, is suppressed.
Patent DE-4331825-A1 (DE)
Title: Method and device for hydraulic adjustment (displacement) of a propeller of an aircraft
Inventor: MUEHLBAUER GERD DIPL ING
IPC: B64C11/38
Filed: 1993-09-18
Abstract: A method and device for hydraulic adjustment to the windmilling position of a propeller without counterbalances of an aircraft, pressure being applied to the adjusting device (2) by means of a hydraulic fluid in the direction of increasing the pitch angle of the propeller (13), and the pitch angle of the propeller (13) being reduced, in the opposite direction, by means of a spring (9). <IMAGE>
Patent DE-4338953-A1 (DE)
Inventor: HAAS RAINER VON DIPL ING
IPC: B23B29/04
Filed: 1993-11-15
Abstract: PCT No. PCT/DE94/01337 Sec. 371 Date Jun. 10, 1996 Sec. 102(e) Date Jun. 10, 1996 PCT Filed Nov. 8, 1994 PCT Pub. No. WO95/13893 PCT Pub. Date May 26, 1995A clamping device for connecting a toolhead and a toolholder on machine tools using a cylindrical or at least partly conical location hole with corresponding shank, wherein a rotatable clamping bolt with spiral guides is used, in clamping to move clamping members outwards from within, thus providing a positive and non-positive locking of the toolhead and the toolholder. The clamping bolt has at least one stop to limit the angle of rotation in clamping. The retainer for the clamping members is spring mounted in the toolholder.
Patent DE-4339012-A1 (DE)
Title: Externally mixing flat face burner
Inventor: PORSCHE MANFRED
IPC: F23D14/22
Filed: 1993-11-10
Abstract: The burner has coaxial ducts for combustion gas and oxidation agent(s). Each inner central tube (7) is centred in the outer ducts (5) of the burner plate (1) by a centring and impingement plate (2) spaced from the burner plate. The centring plate comprises downwards conically widening apertures (6) in the same configuration as in the burner plate. There are lateral gas passage apertures for the oxidation agent inlet from an oxidation chamber (8) into the space (4) between the two plates (1,2).
Patent DE-4339820-A1 (DE)
Title: Suspension for steerable front wheel of vehicle - has attachment point of spring winding aligned with steering axis
Inventor: BUFLER ERNST DIPL ING
IPC: B60G3/06
Filed: 1993-11-23
Abstract: The wheel suspension is for a road vehicle. The wheel-side spring winding end forming the wheel-side attachment point (11) is formed as a spherical support bearing. The structure-side spring winding end forming the structure-side attachment point (12) is formed by an horizontal squaring off aligned with the vehicle longitudinal axis. The structure-side winding end is connected to the vehicle body (4) via a damper (8). The two attachment points (11,12) are so aligned that the steering axis (15) runs approximately through the lower point (11). USE/ADVANTAGE - Vehicle wheel suspension achieves a comfortable and satisfactory response behaviour from the telescopic strut (5).
Patent DE-4341450-A1 (DE)
Title: Flow guide baffle for gas turbine combustion chamber
Inventor: SCHMID ACHIM
IPC: F23R3/16
Filed: 1993-12-06
Abstract: The fluid flow within the turbine impinges onto the shaped shell (1) and is thus deflected in its flow direction by a change of its flow line field. The conically tapering shell has its base face projection formed by at least one straight line (3a) and a curve coupling the straight line ends. The shell tip (4) faces the fluid flow impinging on its outside. Pref. the plane defined by the tip and the straight line is inclined against the incoming flow at a specified angle. Several adjacent, spaced shells may be used.
Patent DE-4403627-A1 (DE)
Title: Ultrasonic motor having an improved stator
Inventor: TAKAGI TADAO
IPC: H01L41/09
Filed: 1994-02-05
Abstract: An ultrasonic motor having a stator, which is uniformly formed from a material which can convert electrical energy into mechanical energy. The stator contains a first part having two corresponding electrodes (20, 30) for applying a signal to the first part (1a), and a second part, which is uniformly constructed on the first part and has a region in the vicinity of the first part (1a) where the material is not present. The second part does not exist between the electrodes. A movable element (4) is in contact with the second part (1b) and is driven by travelling oscillation waves which are generated in the second part (1b) because of the signal applied to the electrodes (20, 30). <IMAGE>
Patent DE-4404558-A1 (DE)
Inventor: LINDNER BERND
IPC: B41F27/12
Filed: 1994-02-12
Abstract: A printing plate to be fed to the plate cylinder is conveyed between driven transport rollers and counter pressure rollers. The driven transport rollers (15) and the corresp. counter pressure rollers (13) are movably located in the axis direction of the plate cylinder (1). The transport rollers together with the counter pressure rollers, with the printing plate (11) located on the plate cylinder, are effective in the middle of the format length of the printing plate. The transport rollers and the counter pressure rollers have a curved contour. The axes of the counter pressure rollers are adjustable in respect of the orientation to the drive shaft. The transport rollers are arranged on a common drive shaft which incorporates a drive.
Patent DE-4405528-A1 (DE)
Title: Biological hot water reservoir
Inventor: HINTERDING HANS
IPC: F28D20/00
Filed: 1994-02-22
Abstract: The hot water reservoir has a large heat exchanger (14) which can be introduced via a small access hole. The diameter of the heat exchanger can be greater than the diameter of the longitudinal axis of the access hole. The heat exchanger is arranged vertically to the axis of the hot water reservoir and extends to near the floor of the reservoir.