baber/WOPTO huggingface dataset:
Patent DE-4101172-A1 (DE)
Title: Gravitational separator for floating impurities such as fats and oils - has pipe leads from conical upper section of closed separator to exchangeable collection vessel, and  adaptor or pipe has same dimensions as standard vessel cover
IPC: C02F1/40
Filed: 1991-01-17
Abstract: A separator for removing floating impurities from liquids consists of a sepn. housing which contains no free liquid surface, and which has a conical roof, serves to concentrate the impurities and leads to a central draw-off point. A pipe which can be closed by a valve leads from the draw-off point to a vessel in which the removed impurities are collected. This vessel is exchangeable and is provided with an air-tight connection to the pipe. This connection is effected by means of a removable cover of standardised dimensions, and an exchangeable adapter with similar dimensions which is attached to the pipe. A closeable vent is located on this adapter, and an isolating valve is closed when the adapter is disconnected from the pipe. USE/ADVANTAGE - Used for separating floating impurities, esp. fats and/or oils, from liquids. The separated materials are withdrawn at short intervals so that they can be delivered in a fresh condition to a further treatment process
Patent DE-4107043-A1 (DE)
Title: Thermal or catalytic cracking of liq. hydrocarbon feed - performed on catalyst contg. zeolite with first stage producing olefin(s) from gasoline fraction
Inventor: MARCILLY CHRISTIAN
IPC: C10G57/02
Filed: 1991-03-06
Abstract: Thermal or catalytic cracking of a liq. hydrocarbon feed in a tubular reaction zone includes a pre-stage in which contact is established in a vortex bed of heat-transfer particles dil. with steam, by means of a rising or falling stream, at one end of the zone, of a fluid contg. 50-100 wt.% of a gasoline cut with pref.  b.pt. of 40-220 deg. C. In carrying out the process, (a) the pre-stage is achieved by feeding a mixt. of heat-transfer solid particles (at 600-900 deg. C) and steam, forming 15-60 wt.%, w.r.t. the fluid, and introduction of the fluid at below 700 deg. C through at least one pipe downstream of the mixt. of solid particles and steam, to produce olefins, (b) downstream of the inlet for the fluid, a vapourised cracking feed is introduced, so that the temp. at the height of the inlet for this feed drops to 450-600 deg. C, thus stopping the prodn.  of olefins in stage (a), and (c) the thermal or catalytic cracking of the heaviest components of the feed prod. is carried out, so that the cracking produces the amt. of coke which is needed to supply, by combustion of the deposited, the calories required to maintain the temp. of the heat-transfer particles used in stage (a), at 600-900 deg. C. Catalyst contains 20-95 wt.% of a matrix, 1-70 % of a zeolite  with open structure, and 0.05-40% of a zeolite of the eronite family with less than 0.4 wt.% K. The novelty is that the 2C hydrocarbons derived from the prodn. leaving the tubular reaction zone are led to a trimeriser or oligomeriser, to produce gasoline which is recycled as fluid in stage (a). ADVANTAGE - There is max. prodn. of 2-4C olefins.
Patent DE-4108415-A1 (DE)
Inventor: SCHEMMANN HEINRICH DIPL ING
IPC: H04N9/45
Filed: 1991-03-15
Abstract: The object of the invention is to design a circuit for generating a chrominance subcarrier from a colour burst that can be produced as an integrated circuit and that does not require the regulated colour carrier reinsertion oscillator (11) to be equalized. The output of a A/D converter (2) that acts as a phase comparator is connected to a filter capacitor (Cf) through a digital PLL-filter (6) and a sigma-delta-digital/analog converter (8). The invention is particularly suitable for chroma-IC of television receivers or videorecorders.
Patent DE-4123267-A1 (DE)
Title: Cable holder for small electrical appliance e.g. bread toaster - uses protruding elements on either side of cable exit opening around which cable is wound
Inventor: HAHNEWALD ANDREA
IPC: A47J37/08
Filed: 1991-07-13
Abstract: The cable holder uses at least two spaced protruding elements (4). The cable exit opening (2) in the housing (1) of the electrical appliance lies between these elements. Pref. the outer surfaces of the protruding elements around which the cable (3) is wound are rounded to prevent any chaffing of the cable. The top end of each protruding element (4) pref. has a flat tongue (5) projecting radially outwards for retaining the wound cable.
Patent DE-4134123-A1 (DE)
Title: Wideband sample=and=hold circuit - has two sample=and=hold paths between input and output buffers and switching devices operated by divided clock signal
Inventor: SOH MYUNG JIN
IPC: G11C27/02
Filed: 1991-10-15
Abstract: The circuit has an input buffer (11) holding a received analogue input signal, which is delivered to two sample-and-hold circuits under control of a switching device (12) responsive to the sample-and-hold clock signal divided by two. A second switching device (13) allows the two corresponding sample-and-hold signals (Vc1, Vc2) to be fed to an output buffer (14) under control of the divided sample-and-hold clock signal. The sample-and-hold signals (Vc1, Vc2) are transferred under control of an inverted sample-and-hold clock signal. ADVANTAGE - Stabilised signal sampling operation and selection of sample-and-hold capacitances for circuit application.
Patent DE-4140037-A1 (DE)
IPC: B31B50/64
Filed: 1991-12-05
Abstract: What is described is an apparatus for welding the sealing joint (23) on a package (24) consisting at least partially of plastic-coated paper, with a welding tool having jaws (25, 28) and counterjaws, with a mounting and with a drive device (1) for generating the pressure force. 
<??>So that two welding tools (25, 25a) are employed and actuated simultaneously and essentially identical pressure forces are available at the two work stations, according to the invention two welding jaws are each fastened on an outer hollow shaft (7, 9) so as to be rotatable on a common axis (2), each outer hollow shaft (7, 9) is connected (at 14; 16, 17) fixed in terms of rotation to a common torsion-bar spring (3) as part of the drive device (1), and the torsion-bar spring (3) is driven from outside (at 11, 12). 
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Patent DE-4210572-A1 (DE)
Inventor: BAUMGAERTNER EUGEN
IPC: A23L7/104
Filed: 1992-03-31
Abstract: To produce a food, a vegetable fruit flour or fruit meal, in particular wheat flour or wheatmeal, is heat-treated in water and the product so obtained is stored essentially in the absence of air until the gas formation occurring during this is essentially completed. A process product is produced by this procedure in a natural manner by a microbial fermentation, in which process product the vegetable starch which is only sparingly degradable in the digestion is converted at any rate at least partly into better utilisable proteins and furthermore further nutrients and active compounds are made available which were not present in the fruit flour or fruit meal or not in this amount, in particular amino acids and other organic acids, vitamins, hormones, ferments, enzymes, antibiotics and living microorganisms and/or stable forms thereof.
Patent DE-4215464-A1 (DE)
Title: Stenter frame - has deflectors at the input to the distribution box to obtain an even airflow in the drying section.
Inventor: LABUDE JOACHIM
IPC: F26B21/02
Filed: 1992-05-11
Abstract: A stenter frame has at least one treatment stage, with a turbine, feed tube and air distribution box. The turbines have a single airflow connection, and built into this are deflectors to direct the blast of air. Suction is created by the turbine action of the revolving impeller (3) against the shield (1, 2) to force an airblast along the input ducting (4). This is concentrated in the neck (5), which has either a conical ring deflector (12) or a pair of straight sheet metal deflectors (13). The amount of deflection can be adjusted, so the airblast is concentrated in the connector (6) to the entrance (7) of the distribution box and jets (11), where it can be most advantageously employed to obtain an even distribution through the jets to the cloth. ADVANTAGE - The turbine created airblast is concentrated in the most advantageous direction for distribution evenly in the drying section of the stenter frame.
Patent DE-4219876-A1 (DE)
Title: Forestry vehicle with hydraulic drive control - regulates rotation ratio of inner and outer wheels to match curve radius
Inventor: HARTIG JUERGEN
IPC: E02F9/08
Filed: 1992-06-18
Abstract: The vehicle (1) has a 2-part chassis with a pivot linkage (4) between the chassis halves (2, 3) for steering the vehicle (1). At least three driven wheels 7...10) are provided with respective hydraulic motors (10...14), supplied via oil pumps (15, 16) which are driven by an ic engine. The pivot linkage (4) has an associated angle sensor (27) coupled to a control device (24) for control valves (25, 26) regulating the hydraulic flow quantity for the oil pumps (15, 16), to match the rotation ratio of the inside and outside wheels to the curve radius. Speed sensors are provided on each wheel. ADVANTAGE - Improved handling characteristics esp. on forest floor.
Patent DE-4225786-A1 (DE)
Title: Digital filter for spectral formation on transmission of digital signal - uses data values of serial data signal read into shift register and scanned several times
Inventor: BURGER ERICH DIPL ING
IPC: H04L25/04
Filed: 1992-08-04
Abstract: Memory areas (M1-M4) are provided, the number of which is given by the value (x) of the multiple scanning, and in which signal values (u(n)) are stored via the data values (d(i)) addressable in the shift register (SR) for every possible binary combination in the shift register dependent upon the filter characteristic line. A digital-analogue converter (DAW) is incorporated which forms a step-shaped analogue signal (AS) from the signal values (y(n)) emitted one after the other from the memory areas (M1-M4). A low pass (TP) as Alaising filter is connected to the digital-analogue filter (DAW). The memory areas are contained in a single memory component to which a latch is connected, via which the signal values are emitted to the d-a converter. USE/ADVANTAGE - Favourably priced digital filter usable at high bit rates.
Patent DE-4226865-A1 (DE)
Title: Ultrasonic dermatological diagnosis arrangement - contains applicator with ultrasonic transducer and image display forming hand guided diagnostic unit
Inventor: BREIMESSER FRITZ DIPL ING
IPC: G01S15/89
Filed: 1992-08-13
Abstract: The diagnosis arrangement contains an applicator (2) contg. an ultrasonic transducer arrangement for transmitting and receiving ultrasonic signals with an operating frequency of at least 20 MHz. An electronic signal processing unit (12) converts the signals generated by the ultrasonic transducer arrangement into image signals which are displayed on the screen (5) of an image display unit (4). The applicator and display unit form a diagnostic unit (6) which can be guided over the skin by hand. USE/ADVANTAGE - For examining skin tissue. The ultrasonic dermatological diagnostic unit is user friendly and compact.
Patent DE-4233050-A1 (DE)
Title: Work plate for furniture construction - comprises chipboard bearer plate to which is connected intermediate layer of hard and pressure proof synthetic resin
Inventor: SVOBODA RUDOLF DIPL ING
IPC: B32B21/08
Filed: 1992-10-01
Abstract: The plate consists of a bearer plate with which is connected a flat, hard intermediate layer, to which is connected a veneer cover layer on the side turned away from the bearer plate. The bearer plate is made of chipboard and the intermediate layer is of artificial resin, i.e. phenol resin. The intermediate layer can also be of paper impregnated with artificial resin and is 0.4mm thick. The cover layer is 0.5mm thick, and is made of veneer made from forest or plantation timber. On the cover layer one or more coats of paint or lacquer are applied, dried by ultraviolet radiation. USE/ADVANTAGE - A plate for furniture construction, partic. for highly stressed work surfaces.
Patent DE-4234572-A1 (DE)
Inventor: KUHN WALTER
IPC: F16H3/66
Filed: 1992-10-14
Abstract: A toothed wheel gear change box with several speeds and a grouped design has in the lower speed range a bigger ratio spacing than in the intermediate and upper speed ranges, so that a favourable gradation for vehicle drives can be obtained. A basic gearbox is selected whose ratio springs between the intermediate speeds are approximately equal and the ratio spring of the range gearbox is approximately equal to the product of the ratio springs between the intermediate speeds multiplied by a ratio spring between said speeds.
Patent DE-4235215-A1 (DE)
Title: Gear rim drive with gear rim and one or two pinions engaging with it - has transmission gear with drive shafts connected by dog clutch to pinions
Inventor: HESE BERND DIPL ING
IPC: F16H37/08
Filed: 1992-10-20
Abstract: The tiltable bearings (12) are connected by their inner ring by a sleeve (15) to the gear housing (14). The driven shaft goes through the sleeve. A seal is positioned between the transmission gear driven shaft and the sleeve. The transmission gear has a spur gear, planetary driven stage or double drive mechanism. The torque is transmitted from the gear shaft (25) to the pinion (6) by a dog clutch hub (23) and sleeve (24). The driven shaft of the planetary carrier has a dog clutch for transmitting torque. A hollow wheel is attached to a housing (14). A seal is positioned between the drive and driven (25) shaft. USE/ADVANTAGE - The compact toothed rim drive enables the pinion to be adjusted on all sides and seals the gear shafts against dust and dirt.
Patent DE-4236580-A1 (DE)
Title: Solvents for cleaning electronic components e.g. PCB - comprise n-butanol, propylene glycol 1-methyl ether and opt. water
Inventor: MESSAROSCH GERHARD DIPL ING
IPC: C11D7/50
Filed: 1992-10-29
Abstract: Liq. compsns. comprise (by vol.) 20-80% n-BuOH, 10-70% glycol ether and 0-30% deionised H2O, with the improvement that the glycol ther is propylene glycol 1-methyl ether (I). USE/ADVANTAGE- The compsns. are used to clean soldered printed circuit boards, striplines, flat circuit assemblies, integrated circuits, soldering paste sieves etc. The compsns. are effective in removing flux and soldering paste residues, are environmentally acceptable, have a flash point above 40 deg.C., and are cheap and non-corrosive.
Patent DE-4238792-A1 (DE)
Inventor: LAUTENSCHLAEGER GERHARD
IPC: F16B35/04
Filed: 1992-11-17
Abstract: A securing hole (12) in fittings (10), especially metal furniture fittings, in which a securing screw with a countersunk head (16) and, a threaded shank with a predetermined outside thread diameter can be pre-fitted, in which the securing hole (12) has a chamfer (18) matching the countersunk head (16) of the securing screw and adjacent thereto a substantially cylindrical section (20) for the shank of the screw. The inner diameter of the cylindrical section (20) is slightly smaller than the outside diameter of the shank of the securing screw (14) measured over the threads and a counter-thread (24) to take the thread of the threaded shank is made in the cylindrical section, the length of which measured in the screwing direction is shorter than the threadless shank section (28) of the securing screw (14) beneath the countersunk head (16).
Patent DE-4239719-A1 (DE)
Title: Light material sepn. and elimination plant for grease and oil - comprises jet tube directed towards outflow pipe which opens to stored light material layer
IPC: B01D17/02
Filed: 1992-11-26
Abstract: A mixt. feed conduit (2) heading from outwards to inwards works with a jet tube ending mouth (3) directed to the narrowing light material outflow pipe to which comes a stored light material layer (4). The light material collection (6) in the pipe narrowed section (5) experiences an increased water input from the jet tube mouth. For the pipe narrowing conduit (5) in the area of the turning point (8) heating can be provided. For the mixt. introduction conduit (2) a hot water filling connection can be arranged. In front of the channel connection of the plant an odour closure against channel gases can be fitted. USE - For the sepn. and elimination of grease and oil from abattoirs, industrial and purification plants.
Patent DE-4240355-A1 (DE)
Title: Mfg. voltage-dependent ceramic resistors - by dry pressing and sintering mixture of silicon carbide and ceramic binder
Inventor: FLEISCHMANN THOMAS
IPC: H01C7/118
Filed: 1992-12-01
Abstract: The voltage-dependent phase, pref. Si carbide, is intensively mixed in a mass ratio of 3:1 to 1:1 with a ceramic binder. During mixing 8-16 mass% moisture, pref. as water with or without additive of 0.4-1.5 mass% organic binder, is added for granule formation. The granulated material is dried to a moisture level of 4-5% before dry pressing and sintering. ADVANTAGE - Improved electrical characteristics e.g. w.r.t. non-linearity of voltage-current.
Patent DE-4302384-A1 (DE)
Title: Compact disk and CD-ROM disc mfg. process - using injection moulding process with matrix having centre hole and information signal surface
Inventor: HIGUCHI YUICHI
IPC: G11B7/26
Filed: 1993-01-28
Abstract: The compact disc or CD-Rom consists of a substrate of transparent resin, polycarbonate or acrylic, a reflective layer of aluminium on an information layer. The aluminium layer is formed by vapour deposition or sputtering process. A protective layer (4) is provided, several microns thick of an ultraviolet hardened resin. The disc has a central hole (5), and a concentric annular T-slot (4b) of i.d. 35 mm width, 1 mm and depth, 0.4 mm. On the outer surface (4c) a silkscreened or offset printed label is provided. The mfr. of the disc is by an injection moulding process, where metallic masters of the information layer are used. ADVANTAGE - Suitable for mass prodn. Centre hole and inscription produced in same prodn. step, saving time and avoiding difficulty in subsequently aligning hole for label attachment.
Patent DE-4303549-A1 (DE)
Title: Rail-bound vehicle bumper with impact absorbing element
Inventor: ROCHOLL HENNING
IPC: B61G11/00
Filed: 1993-02-08
Abstract: The invention relates to a bumper which is connected via at least two deflection arrangements to one side in each case of an absorbing or sprung element which is essentially transverse to the longitudinal axis of the vehicle. <IMAGE>
Patent DE-4304694-A1 (DE)
Inventor: PELLY BRIAN R
IPC: H02M3/335
Filed: 1993-02-16
Abstract: In a resonant power supply, a series-connected LC resonant circuit 44, 46 is coupled to a high voltage pulsed output, such as from power transistors 12, 14, and designed to draw power from the pulsed output and deliver the same to a low voltage output capacitor 54 at which a low voltage output 32 + VBIAS is provided. The low voltage output 32 is regulated by a zener diode 56. A starting resistor 602 supplies initial charge to the output capacitor 54 to permit the first switching event to occur so that the resonant power supply can begin to provide power. The resonant frequency of the LC circuit 44, 46 is significantly higher than the maximum switching frequency of the power transistors, enabling the resonating high frequency wave forms of the LC circuit 44, 46 to supply repeated charge bursts to the output capacitor 54. In an alternative embodiment (Fig 5) a diode 52, a further zener diode (68) and a further output capacitor (66) provide a negative output voltage 64 - VBIAS. Further embodiments are described (Figs 6 - 8) and optoisolators (90, 92, Fig 9) may be used to control I G B T power transistors (98, 100) driving the resonant circuit 44, 46. <IMAGE>
Patent DE-4309740-A1 (DE)
Title: Elastic bandage for correcting deformity of big toe - consists of single bandage with three point fastening and sponge, rubber pad in toe area and is secured around foot and ankle by hook-pile fastener
Inventor: FEUERSTAKE GEORG
IPC: A61F5/01
Filed: 1993-03-25
Abstract: A surgical orthosis consists of an elastic bandage with a three point fixing. The front end (2) of the bandage is folded over the end of the big toe and holds a sponge, rubber pad (5) in place. The end of the bandage is secured by a strap (3) which has its ends fastened together by a hook-pile fastener. The outside surface of the bandage has a pad (4) for the fastener with the opposite end of the bandage. USE/ADVANTAGE - For correcting Hallux valgus (bunions) and similar deformities or for use in post-operative treatment. The device is easily fastened.
Patent DE-4318593-A1 (DE)
Title: Cavity resonator
Inventor: KELLER REINHARD DIPL ING
IPC: H01P7/06
Filed: 1993-06-04
Abstract: A cavity resonator in which coupling between wave types existing therein can be produced with the lowest possible expenditure, has coupling means which consist of at least one aperture (8, 9) made in the end(s) (2, 3) of the cavity resonator (1). The position, size and shape of these apertures determine which wave modes are coupled together and how great the coupling efficiency is. <IMAGE>
Patent DE-4319015-A1 (DE)
Title: Device for controlling a mass flow
Inventor: KOHLEN PETER
IPC: F15D1/02
Filed: 1993-06-08
Abstract: The invention relates to a device for controlling the flow of a liquid or gaseous medium, the device consisting of a tube-like housing which has a total flow cross-section bounded by an essentially circular-cylindrical inner wall, and a throttle flap which is mounted rotatably in the housing and can be pivoted from a closed position approximately perpendicular to the housing axis into an opening position approximately parallel to the housing axis. In the pivoting range of the throttle flap, diametrically with respect to the axis of rotation, the inner wall has attachments with an inner boundary corresponding to a spherical surface, by means of which the total flow cross-section is reduced and, during a rotation of the throttle flap, it is effected that an approximately linear change of the control cross-section occurs as far as a predetermined angle alpha 1. For the said device it is proposed that the attachments have a cut-out as a result of which the total flow cross-section is increased and, during a rotation of the throttle flap, it is effected that the change of the control cross-section runs approximately linearly only as far as an angle which is smaller than  alpha 1. <IMAGE>
Patent DE-4320509-A1 (DE)
Title: Current supply circuitry esp. for motor vehicle - uses three=phase, pref. voltage-regulated, generator with additional transformer providing independent supply for, e.g. controlled warm=up of exhaust catalytic converter
Inventor: FISCHER HARALD DIPL ING
IPC: H01F29/14
Filed: 1993-06-21
Abstract: The conventional elements of the vehicular power supply circuit are augmented with a three-phase transformer (13) producing independent voltages from its sec. windings (15) which constitute the operative windings of a three-phase transductor. Control windings on the transformer core are connected to a source of adjustable control current which sets the working point on its magnetisation curve. The core itself is mfd. of material having a pronounced, and approx. rectangular and pref. relatively small, hysteresis loop. ADVANTAGE - Either continuous or rapidly successive changes in load current or supply voltage are possible with relatively low electrical and mechanical complexity and without significant increase in energy consumption.
Patent DE-4332462-A1 (DE)
Title: Wrinkle-free vehicle visor
Inventor: JONES BRYAN G
IPC: B29C44/14
Filed: 1993-09-23
Abstract: A vehicle visor comprises a flexible outer shell (12) of superimposed material with a straight fold forming the upper side and sealed peripheral edges extending along the entire visor periphery except for a small corner opening. The shell is drawn inside out through the opening after forming. Flowable amorphous material (40) is filled into the shell through the opening to expand in situ and embed the sealed edges (18). A pivot rod is embedded in the filling along the straight edge and the filling is cured to form a rigid visor.The filling is pref. isocyanate-polyol foam, and the shell is of upholstery fabric with an impermeable layer on its inner side.