baber/WOPTO huggingface dataset:
Patent DE-4104955-A1 (DE)
Title: Appts. for hydrogen@ prodn. from water using solar energy - includes diffusion container permeable only to hydrogen@ and outer transparent container allowing thermal dissociation of steam using solar energy
Inventor: BRANDL GERHARD DIPL ING
IPC: F24S20/20
Filed: 1991-02-18
Abstract: The H2 generator has a diffusion container permeable to H2 but not to O2 at the thermal dissociation temp. of steam. Water is heated in the diffusion container to its' dissociation temp. and H2 diffuses through the container wall to be removed. A second transparent container surrounds the diffusion container with a space between the containers to allow removal of H2. The transparent container allows solar heating of the diffusion container and mirrors may be used to reflect sunlight onto the containe
Patent DE-4105499-A1 (DE)
Title: Wave absorber for oil skimming vehicle - has grids of tubular structure with progressive absorption
Inventor: KUEHNLEIN WALTER
IPC: B63B39/10
Filed: 1991-02-19
Abstract: Each grid (1-4) is made from parallel, vertical, tubular struts with a set spacing (9). The grids are arranged behind each other with the max. transmission grid facing the incoming waves. The grids are set across the skimming mouth of the vessel and prevent wave reflections, as well as preventing wave breaking. The grids are made of hollow tubes and can be linked to a heated fluid circulation to prevent clogging when skimming at low temp. Air jets from the grids perform a self cleaning action. USE/ADVANTAGE - Non clogging grid, improves skimming efficiency for oil-slick skimming ship.
Patent DE-4106672-A1 (DE)
Title: Electromotor with housing formed from deep-drawn metal plate - and having flanges at end face for fixing bearing shield
Inventor: ADE ROLF
IPC: H02K23/04
Filed: 1991-03-02
Abstract: The motor housing, of sheet metal contains two diametrically-opposed permanent magnets (3, 4). At the top of the housing and on its circumference two lugs (5, 6) are formed with holes (7, 8) for fixing a bearing shield. The housing is formed inwards (10, 11), possibly along its whole length, at the positions of the lugs. ADVANTAGE - Fixings for bearing shield produce no appreciable increase in motor housing.
Patent DE-4107512-A1 (DE)
Title: Water magnetic treatment used in heat exchange systems - comprising streams which flow at same speed through several magnetic field concns., using magnetic field treatment to apply different frequencies
Inventor: CHRUSCIEL ROMUALD
IPC: C02F1/48
Filed: 1991-03-08
Abstract: For magnetic prepn. of fluids, especially water it is divided into two or more art streams to flow at the same speed through several magnetic field concns. with alternating reversed field directions. The field concns. are at different intervals in each flow stream, but are at identical gaps within each stream. With equal flow speeds, the pulsed magnetic field treatment therefore applies different frequencies. After passing through the magnetic fields, the part streams are converged to a common flow. USE/ADVANTAGE - Used for water in heat exchange systems, which has been untreated or chemically treated. The method allows high vols. and vol. changes to be treated without interruption, with a high effectivenes
Patent DE-4107703-A1 (DE)
Inventor: BECKER FAHIM
IPC: H04N1/405
Filed: 1991-03-09
Abstract: The invention concerns a process for point by point and line by line recording of rastered images. To prevent abrupt changes the grid density, at least in the direction of one image co-ordinate, the image signal which determines the grid density to be recorded is overlaid alternately by a modulation signal which increases the grid density to be recorded and a modulation signal which reduces the grid density. As a result, at least one reduced and one enlarged raster point are recorded alternately in at least one extension of the raster between the raster points which reproduce the grid density to be recorded. The invention also concerns a device for carrying out the process. The device for recording rastered images has a modulator which combines an image signal with a modulation signal. The modulator is connected to a modulation generator which generates the modulation signal and in which the amplitude of the modulation signal is varied in function of the amplitude of the image signal.
Patent DE-4109441-A1 (DE)
Title: Program-controlled washing machine-dryer - in which fan for conveying drying air is integrated into door
Inventor: STEINMUELLER HARALD DIPL ING
IPC: D06F58/04
Filed: 1991-03-22
Abstract: A program-controlled washing machine/dryer incorporates a laundry drum which rotates in a tube, and a fan for conveying the drying air. The damp hot air coming out of the drum is guided via a filter arrangement, condensed through cooling and the dehumidified air is led back to the drum via a heater. The fan is integrated into the machine door. ADVANTAGE - The invention has a higher degree of efficiency and features a simple, compact structure.
Patent DE-4111705-A1 (DE)
Title: Sound signal modulation system for audio system - enables CD player to be played back through FM tuner without additional playback device
Inventor: HIRATA HITOSHI
IPC: H04B1/20
Filed: 1991-04-10
Abstract: The FM audio system has an FM tuner (5), a CD player (8) and a stereo modulator (14) to modulate a sound signal from the CD player (8) and produce a combined signal from the tuner (5) to reproduce the sound signal. A control unit acts as an automatic level controller which adjusts the level of the sound signal input to the modulator (14) to such a level that results in small distortion of the quality of the sound reproduced from the tuner (5). USE/ADVANTAGE - Decrease in tone quality due to too high input signal level is reduced. Esp. suitable for CD players in motor vehicles.
Patent DE-4113354-A1 (DE)
Inventor: STEIN KARL-ULRICH DR
IPC: H01S3/063
Filed: 1991-04-24
Abstract: Optically pumped waveguide (1) in the planar technique, preferably on silicon, with a resonator arrangement (7) integrated into the waveguide (1) and doping suitable for excitation of laser radiation by means of an external light source (3).
Patent DE-4119001-A1 (DE)
Title: Increasing accuracy of structural monitoring of ferromagnetic materials - applying constant alternating current, continuously sampling measuring device in real=time, and computing local maxima and minima to determine characteristics of structure
Inventor: STEFFEN GUENTER DR RER NAT
IPC: G01N3/06
Filed: 1991-06-08
Abstract: A constant a.c. current of set frequency is generated and applied continuously to the structure to be tested. A measuring instrument is continuously sampled and the measurement signals transferred to a processor. In the processor, the measurement signals are sampled in real time with a high sample rate and consecutive local voltage maxima and minima are calculated. The difference values between the voltage maxima and minima are formed and used as a measure of the changes in the characteristics of the structure being tested. For any given time interval, the pairs of values representing mechanical condition of the structure are registered from the load cycle, voltage drop, reference signal, loading, and their deviations from the desired values. USE/ADVANATAGE - For measurement of cracks and other inhomogeneities. Can be used for high accuracy testing of parts subjected to vibration.
Patent DE-4120819-A1 (DE)
Title: Folded box formed from cardboard blank - has improved tear strength through fibrous plastics foil lining outside surface
Inventor: HAFNER INGO DIPL ING
IPC: B65D5/62
Filed: 1991-06-24
Abstract: The folded box is made from a pref corrugated cardboard blank (1). This is coated with a fibre structured plastics foil (8) on its surface forming the outside of the box. The plastics foil (8) is formed from olefin threads sprayed onto the surface and deformed under pressure and temperature. The plastics foil can be stuck on the cardboard blank. USE/ADVANTAGE - The tear strength and stability of the folded cardboard box are increased without increasing the wall thickness.
Patent DE-4125618-A1 (DE)
Title: Wiring arrangement for switch cabinet - has wire fixed to pins on support strip using wire-wrapping tool with supply roll contained within tool housing
IPC: H05K13/06
Filed: 1991-08-02
Abstract: The wiring is wound around holding pins (24) mounted on a support strip (25) using a wire wrapping tool. A supply roll (4) of wire is stored within the tool housing, and the wire is held in a guide slot (2a,11). The wire is fed out from the head (2) of the tool. The wire supply roll is contained within the head. The wire may alternatively be fed from the rear (9) of the tool and up through the chuck (2a). Each holding pin may be wrapped with three or more wire ends. The support strips may include screws for fixing them to the switch cabinet. USE/ADVANTAGE - For switch cabinet containing insertable circuit cards. Speeds up assembly.
Patent DE-4128175-A1 (DE)
Title: Arc welding appts. - has main voltage-fed DC rectifier, intermediate circuit prim. side transformer, sec. side transformer and AC rectifier, etc.
Inventor: SZCZESNY MICHAEL
IPC: B23K9/10
Filed: 1991-08-24
Abstract: Arc welding appts. comprises an inverter current source with a mains voltage fed DC rectifier (1), an intermediate circuit (2), a primary side transformer (4), a secondary side transformer with DC rectifier (5) connected to it and an AC rectifier whose outlets are connected to the weld electrodes (15,16). The AC rectifier is assembled as a bridge circuit with each of its four bridge diagonals having a semi conductor switch (12a-12d) with a parallel connected force running diode (13a-13d). The AC rectifier is also provided with a protection circuit (9,10,11) by means of which during the commutating phase the threshold voltages on the semiconductor switches are adjusted to predetermined values. ADVANTAGE - No mechanical switches are required to protect the apparatus from unacceptible high voltage surges esp. with high current densities.
Patent DE-4129762-A1 (DE)
Title: Fluid or gas pump - uses wind or solar energy to form structured spiral streams to lift the water and gas
Inventor: SCHATZ JUERGEN
IPC: F03D9/39
Filed: 1991-09-04
Abstract: To pump out gas and fluid streams from the ground, using regenerative energy such as windmills or solar cells, the flow is divided into separate and equal groups and converted into spiral flow patterns. The flows have a mechanical flow effect on each other to give an eddy action to give an induced axial flow to be amplified. The induced eddy, such as a potential eddy, acts at the outlet of the system, and the amplified eddy, such as a tubular eddy flow, acts within the system near the energy take-off point. The usable energy, such as for direct movement of a fluid flow and/or a mixed gas/fluid flow is applied to the amplified eddy zone for the material flow to be carried in its centre, or the drive is through wind turbines in a combination of the speed of the periphery of the eddy and the axial flow. ADVANTAGE - The system gives an effective use of solar and/or wind energy to pump fluid and/or gas from drillings for movement and treatment, with height differences of more than 7 m.
Patent DE-4130046-A1 (DE)
Title: Correlator for determining signal propagation time in receiver - obtains reference from digitised and stored input for switching to HF stage alternating with antenna connection.
Inventor: BERGMANN AXEL DIPL ING
IPC: G04F10/00
Filed: 1991-09-10
Abstract: The appts. applies a signal received from an antenna to a high-frequency input stage (1) contg. two mixers (1.ZF,2.ZF) for amplification. The resulting signal is band-pass filtered (BP) and digitised (2) for processing (SP). The digital signal is read from memory (ST) to a D/A converter (3) with a low-pass filter (TP) driving an analogue processor (4) whose output is matched (PA) to the HF input when the antenna switch is reset by a control circuit (AS) incorporated in the digitiser. USE/ADVANTAGE - In radio direction-finding and location, reference for correlation purposes is derived from received transmission and requires no additional calibration signal. Propagation delay is measured exactly.
Patent DE-4133965-A1 (DE)
Title: Abstractor for identification of data sequence - has data processed by evaluator stage coupled to decision making stage to identify original form
Inventor: JAENECKE PETER DR
IPC: G06N3/063
Filed: 1991-10-14
Abstract: The single bit abstractor has an evaluator stage (B) that receives digital input data in the form of data sequence (E). The transmission function of the evaluator is given by p(n) = 2n-1, for n = (1, if E=1, 0, if E=0'). The output `p' is received by the first input to a decision stage (E10). A further input receives the original data (E12) and upper and lower thresholds (Fmax, Fmin) may be set. The circuit provides an activation function (F) that is defined in terms of these parameters. The output f(z), is given by, f(z) = (0 for Z less than 0, E for Z = 0, and 1 for Z greater than 0). ADVANTAGE - Identifies original form from modified signal.
Patent DE-4134511-A1 (DE)
Inventor: HUMPERT JUERGEN
IPC: F16K27/08
Filed: 1991-10-18
Abstract: A description is given of a rosette (1) for covering a wall connection of a mixer unit (4) with a covering hood (2) which is arranged, by means of its through-bore, on a sleeve (3), which can be pushed over the sleeve nut (41) of the wall connection, and which can be axially adjusted by means of a thread. In order to improve said rosette, it is proposed that one or more longitudinal ribs (32), which bear in the insertion position on edge faces (42) of the sleeve nut (41), be integrally formed in an opening (31) of the sleeve (3), the covering hood (2) and the sleeve (3) being manufactured from plastic in an injection-moulding process, and a seal (21) being arranged in order to seal at least that end side of the covering hood (2) facing the building wall (5). 
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Patent DE-4137126-A1 (DE)
Title: Multi-part, cooled piston for internal combustion engine - has ring-shaped hollow space in head part for cooling oil closed downwardly by plate ring fitted in groove of head part ring wall
Inventor: ISSLER WOLFGANG DR
IPC: F02F3/00
Filed: 1991-11-12
Abstract: Externally at a first end evolving into the floor to the head part and open at its second end is a ring wall for receipt of a piston ring groove. A ring rib acting as a support part connects to the nave and to the floor of the piston head part, which at the height of the second end of the ring wall is closable by a ring-shaped wall part to form a cooling oil space. On the outer periphery of the plate ring (8) are meander-form recesses (9) which contain material with engages the ring wall (3) surrounding the groove (10) from its open end. The material is introduced into the recesses (9) by rolling. ADVANTAGE - The oil space is protected by a cover which is fixed in position by a constructively simple process.
Patent DE-4205016-A1 (DE)
Title: Demodulator for radio data signals - provides data pulse signal with one of two levels depending on difference between phases of received and delayed signals.
Inventor: HENZE WERNER
IPC: H04H20/34
Filed: 1992-02-19
Abstract: The system demodulates radio data signals transmitted by phase modulation of a suppressed carrier. The received carrier frequency signal is delayed by one half period of the bit period of the radio data signal. The phase difference between the received and the delayed carrier frequency signals is measured. A data pulse signal is fed out. This has a first or a second level depending on the sign of the measured phase difference. ADVANTAGE - Has no response time from phase control loop. Easily and inexpensively realised as integrated circuit and does not require expensive adaptation. Only digital components required.
Patent DE-4208970-A1 (DE)
Title: Detecting and locating leaks in pipes, e.g. sewage pipes, - using physical, chemical, biological and=or other analysis to determine leak origin and hazard
Inventor: STEIN DIETRICH DR
IPC: G01M3/22
Filed: 1992-03-19
Abstract: The leaking fluid is analysed wrt. physical, chemical, biological and/or other parameters or parameter combinations to determine its origin. The analysis can be performed continuously or discontinuously using installed sensors or transducers. The measurement values are detected in collection channels or containers, manhole shafts, monitoring shafts or in special installations for monitoring devices. Mobile or portable measurement value detection equipment can be used. USE/ADVANTAGE - Continuous monitoring for leaks is performed along complete sewage pipe system, origins of any leaks determined and potential hazard evaluated.
Patent DE-4212020-A1 (DE)
Inventor: WENSKI GUIDO DIPL CHEM DR
IPC: B01J23/64
Filed: 1992-04-09
Abstract: The invention relates to catalysts for the catalytic post-combustion of exhaust gases containing carbon monoxide and/or oxidisable organic compounds, especially from the production of phthalic and maleic acid anhydride, and processes for their production. The catalysts contain 70 to 99 % wt., calculated as TiO2, of a titanium oxide component, 1 to 30 % wt., calculated as V2O5, of a vanadium oxide component and 0.01 to 0.9 % wt., calculated as noble metal, of a noble metal component from one or more noble metal compounds of noble metals of the 8th sub-group. The catalysts are characterized by a low starting ( </=  220  DEG C) and operating temperature and their ability to oxidise even slight pollution of the exhaust gas with oxygen-containing or -free aliphatic and aromatic hydrocarbons and carbon monoxide in the presence of gases containing molecular oxygen almost quantitatively to the substantially ecologically acceptable products carbon dioxide and water.
Patent DE-4218275-A1 (DE)
Title: Curving mobile conveyor for use in underground mining - has upper supply side of chain raised up from lower return side at transfer area to form swivel out transfer arm for easier sideways discharge of material
Inventor: MESIC IVAN
IPC: B65G41/00
Filed: 1992-06-03
Abstract: The upper side (7) is raised from the lower side (8) at a distance from the rear reversal end of the conveyor and is then deflected in a loop over reversal points (14,15). The conveyor sections (2') which are connected for swivel movement and guide the upper side round the loop area form the transfer arm (16) which can extend out across the conveyor direction (F) of the mobile conveyor. The transfer arm can be moved either side of the longitudinal axis of the mobile conveyor by a swivel cylinder drive and is supported between the two reversal points on a support frame (17). The transfer arm can be raised and lowered by a lift drive. USE/ADVANTAGE - The material can be ejected directly onto a stationary main conveyor belt at the side or onto any other conveyor without using intermediate conveyors.
Patent DE-4220339-A1 (DE)
Title: Plastic drum with cover and bung for repeated use - comprises blow-moulded body with injection moulded cover and bung fitted into neck and assembly with outer ring is friction welded
IPC: B65D6/32
Filed: 1992-06-23
Abstract: A reusable plastic drum is designed to be used initially as a blow-moulded wide-necked drum with bung, with an injection moulded cover and bung fixed into the mouth by frictional welding. For further usage the cover plus bung is separated, the reconditioned drum is then fitted with a removeable cover plus bung, or a simple cover closed off with a tightened ring, or another cover plus bung which is fixed on by frictional welding. The drum pref. holds inside a plastic film or metal-faced plastic film bag. ADVANTAGE - The drum is inexpensive. It provides safety in transporting the contents. It withstands dropping. It lends itself to inexpensive reconditioning.
Patent DE-4231420-A1 (DE)
Title: Piston for extruding material from plastic bags - has supporting member extending radially from scraper edge to piston centre
Inventor: SEDLMEIER ANDREAS
IPC: B05C17/005
Filed: 1992-09-19
Abstract: A supporting member (14) extends in the radial direction from the scraper edge (13) to the centre of the piston (9). There can be a gap(s) in the radial direction between the scraper edge and the member outer edge. The member can be adjustable in the axial direction in relation to the piston, and it can be disc-shaped. The scraper edge can consist of evenly-spaced segments. USE/ADVANTAGE - For substances used in buildings, vehicles, ships, aircraft, machinery, instruments etc.. No trapping of bag between piston and cylinder wall, and avoids heavy friction between them.
Patent DE-4231991-A1 (DE)
Title: Dynamic spring element for vehicle hydraulic shock absorber with hydropneumatic level regulator - has electromagnetically-operated valve device between two gas spaces
Inventor: HOELSCHER REINHARD DR
IPC: F16F9/096
Filed: 1992-09-24
Abstract: The spring element has a hydraulic space (6) separated by a movable partition wall from a gas space (2), which communicates with a second gas space (3) via a valve device (1). The hydraulic space is selectively coupled to a pump and to the working space of the shock absorber. The valve device between the two gas spaces has a bypass channel (4), in parallel with the valve passage (17) which is controlled via an electromagnetically operated control slider (18). The length and cross-section of the bypass channel ensuring a reduced bypass effect with increasing frequency. ADVANTAGE - Provides variable dynamic spring rate in dependence on vehicle loading and/or shock absorber movement.
Patent DE-4235065-A1 (DE)
Title: Automatic and contact-free measuring of double refraction - and temporal fluctuations of the refraction in transparent films and filaments with any desired thickness or phase difference
Inventor: KAUFMANN SIEGFRIED DR
IPC: G01N33/36
Filed: 1992-10-17
Abstract: The process involves the measuring of both the average value and the temporal fluctuations of the double refraction. A photo receiver (9) with associated amplifier (10) is connected to a senarmont or soleil compensator (b) with an analyzer (7). The compensator (6) is driven by a stepped motor (11) in such a way that, after the reaching of the light minimum, the compensator remains in its position. The average value of the phase difference is determined and the signals are led to a computer unit (13) via an operation amplifier (16). As a result, also the temporal fluctuations of the double refraction are registered. USE/ADVANTAGE - The process is for the film industry for mfg films of polyester, polyamide, polyolefins, cellulose and polystyrene, and for the man-made fibre industry in making filaments.
Patent DE-4238789-A1 (DE)
Title: Emergency calling on computer-controlled urban radiotelephone system - using wireless mobile alarm call reception station for relaying telephone number of calling subscriber to central computer
Inventor: BITTGER JUERGEN
IPC: H04M11/04
Filed: 1992-11-17
Abstract: The procedure involves telephone subscriber:s appts. with two memories for numbers and timing modules (ZM,Z1,Z2), a VHF radio remote control with a key and receiver, a 24-hour module, a battery with voltage regulator and charger, a mains outage unit, a stabilised power supply and a heavy-current relay. On receipt of a call for help, the system manager can read the telephone number of its source and communicate with it from any fixed or mobile telephone. ADVANTAGE - Both the service operator and the user benefit from a highly mobile emergency call acceptance station which can identify callers without recourse to fixed terminals and wiring.
Patent DE-4242546-A1 (DE)
Title: Technical glasses in auto-radial combination for determining physical dimensions
IPC: G02B6/36
Filed: 1992-12-16
Abstract: The fibre has a core and cover of silica glass and the diffusion at Rmax less than 150 mm has a min and at Rmin has a max. The transformation point is greater than 700 deg C. On the fibre a dressing is applied.The fibre is provided with a protective cover of metal or rare metal, glass or silica glass. Alternatively, it can have a thin and/or slightly plastic protective cover of a polymer material, pref polyimide.