baber/WOPTO huggingface dataset:
Patent DE-4032887-A1 (DE)
Title: Heating non-conducting bulk material in fluidised bed furnaces - using heating element making direct contact with bulk material and operated by DC of max. 50 volts
Inventor: FUCHS PAUL
IPC: B01J8/18
Filed: 1990-10-17
Abstract: A voltage of up to 30V is initially applied to a heating element of e.g. V4A fine steel designed in the form of a coil (2) or a double coil (6) in the fluidised bed reactor (1). The bulk material is heated up for starting an exothermal reaction. Bulk materials contg. silicon are heated up and converted by reaction with hydrogen halide gas to silicon halides. The material for the coil(s) consists of round cross sectional steel with a dia. of 10-50 mm. USE/ADVANTAGE - Cheaper materials can be used for furnace walls. Allows controlled acceleration of reaction. Heating elements can also be made of cheaper material and in different shapes; meander, coil, rod or cylindrical.
Patent DE-4035389-A1 (DE)
Title: Modulation system for laser printer - has lighting level monitored and used to to provide correcting action to input
Inventor: INOUE HITOSHI
IPC: H04N1/23
Filed: 1990-11-07
Abstract: The density of the print provided by a laser printer is provided in 8 bit value (11) that is applied to an adder (12) that also receives a correction input (33). The corrected signal is modulated (34) and drives the laser (15). A photo diode (17) provides feedback to an integrator (18) to measure the effective lighting value. The signal is processed by a sample and hold circuit (23) and is converted into digital form (24), values are accumulated (26) and processed (25, 27, 28) to generate the compensating component to be used to modify the nominal input value. ADVANTAGE - Maintains constant print density when temperature change.
Patent DE-4100394-A1 (DE)
Title: Prepn. of optically active alcohol(s) and optically active ester(s) - by enantioselective acylation of racemic alcohol(s) with vinyl ester(s) of higher fatty acids in the presence of a lipase
Inventor: JEROMIN GUENTER E DR
IPC: C12P7/02
Filed: 1991-01-09
Abstract: The prepn. of optically active alcohols (I) and optically active fatty acid esters (I) comprises enantioselective acylation of racemates of alcohols with vinyl esters of 10-18C fatty acids in the presence of a lipase. USE/ADVANTAGE - (I) and (II) are chiral auxiliary reagents, chiral intermediates, natural perfumes and insect pheromones. The process gives (I) and (II) in high optical yields by a simple method. Unlike previous processes using vinyl ethanoate as the acylating agent which gave prods. of very similar b.pts., (I) and (II) are easily sepd. without the need to use expensive chromatography and rectification.
Patent DE-4103289-A1 (DE)
Title: Determn. of lactose repressor over-producing microorganisms - using a phage with a marker gene contg. C-terminal with a lactose operator and promoter which forms an anti-sense RNA of the marker
Inventor: MIESCHENDAHL MARTIN DR
IPC: C12Q1/6897
Filed: 1991-02-04
Abstract: The microorganism are transfected with a bacteriophage carrying a detectable marker joined at its C-terminus with a lactose-promoter/operator which is transcribed as an anti-sense RNA of the marker. The expression prods. are detected. Pref. the phage is Lambda or its derivs., and the marker is the xylE-gene of Pseudomonas (P.) putida or the Glowing gene of Vibrio fischeri. USE/ADVANTAGE - Described is a simple detection method for genetically engineered microorganisms which carry a modified lac repressor gene and which, for example, may have escaped from a laboratory environmentntn
Patent DE-4105021-A1 (DE)
Title: Device for visually detecting defects in fillets of fish - comprising rotating table mashing translucent surface below which is parabolic mirror with light source at focus
Inventor: SCHMIDT UWE
IPC: A22C25/00
Filed: 1991-02-19
Abstract: In a device for detecting defects in filets of fish, the filets are placed on a translucent surface which is sealed to a parabolic mirror. A light source is located at the focus of the mirror. The surface, mirror and light source make up a stationary or rotating illuminating table unit. This unit is mounted on hollow cylinder supported on a shaft which supports the light source and contains the power supply leads. An opening in the centre of the table and is covered by a water-tight hemispherical flange which has a light-reflecting internal surface. Depending on the direction of rotation of the table, a trimming work-station is located in its first or fourth quadrant and is provided with an exchangable translucent work plate locted above the table. The filets are delivered onto the second and/or third quadrants of the table. USE/ADVANTAGE - Used for visual detection of the presence of defects, parasites etc
Patent DE-4109147-A1 (DE)
Title: Optic fibre cable - has conductor bundles twisted round stretched core with mantles and stretched tensile strength yarns for contraction to give conductor over-lengths
Inventor: OESTREICH ULRICH DIPL ING
IPC: G02B6/44
Filed: 1991-03-20
Abstract: The optic fibre cable (CA), assembled from a gp of lightwave conductors gathered into a bundle (BAI), with several bundles twisted round a cable core (CE) which is prestetched before the bundle (BDI) is twisted round it. An initial mantle is applied to the bundle (BAI) and a yarn (GA) with tensile strength is applied to the first mantle with elastic prestretching. The yarn (GA) is covered by a further mantle, and the tension of the central core (CE) and the yarn (GA) are maintained over the whole processing stage and only relaxed before winding or laying to give a contraction to provide the over-lengths of the lightwave conductors. Pref. a bundle is composed of 2-12 lightwave conductors, produced simultaneously by parallel extrusion. The conductors are twisted into a bundle in alternating directions with a filling mass (HM) at the conductors. Each bundle (BAI) is covered by a protective shrouding (SBI), using a melting adhesive with an inner dia. larger than the dia. of each bundle (BAI) of lightwave conductors. A buffer layer (PE) is round the central core (CE). The central core (CE) is drawn from a braked drum. An equal tension is applied to the central core (CE) and the yarn (GA) of 1.0 10-3 to 3.10 10- and especially 1.5-2.5 10-3. The bundles (BAI) are twisted with a beating angle of 85-87 deg. The central core (CE) is coated with a filling mass (FC) before the bundles (BAI) are twisted. An initial mantle (IM) is fitted to the twisted bundles (BAI) with play for the gap to be filled by a mass (FE, FEI). ADVANTAGE - The cable is easily produced, and gives a defined over-length to the conductors.
Patent DE-4109818-A1 (DE)
Inventor: SCHMIDT EDWIN
IPC: H05B6/42
Filed: 1991-03-26
Abstract: The invention concerns a hollow electrical conductor (1; 19; 22; 23) which can be cooled to extremely low temperatures, the conductor being fitted with an inlet for gases cooled to such temperatures, in the liquid or gaseous state, and an outlet for the gases. The invention calls for at least one hose element (5; 24) to be fitted in the hollow conductor (1; 19; 22; 23), the hose element being connected up to the gas supply and having perforations (6) to allow the gas to pass through the hose wall. The hollow conductor (1; 19; 22; 23) is conveniently surrounded by a jacket (8) or the whole unit housed in an enclosure (12). The conductor can be in the shape of a coil, or any other shape. It is particularly suitable for use as an induction coil in an induction furnace for heating, keeping hot or melting metallic materials. Preferred gases are nitrogen, helium, a freon or ammonia.
Patent DE-4112821-A1 (DE)
Title: Vehicle braking system which controls braking slip and drive slip - has circuit with check valves to control pressure in drive slip mode
Inventor: BECK ERHARD DIPL ING
IPC: B60T8/34
Filed: 1991-04-19
Abstract: Braking system for a vehicle having a mechanism for controlling both braking slip (ABS) and drive slip (ABR) having a common self priming pump (14) which in the ASR case draws on the fluid medium container (2) via the master cylinder (1). Two check valves (20,21) and an auxiliary pipe (22) are provided which allow, when the ASR valve (4) is closed, delivery by the pump to the wheel brake (8) of the nondriven wheel, whilst pressure drop can only occur on the pressure side of the pump. ADVANTAGE - Braking circuit which protects the non-driven wheels of a vehicle from pressure drop or pressure build up in the ASR mode.
Patent DE-4118255-A1 (DE)
Inventor: BLOSSFELD LOTHAR
IPC: H01L27/092
Filed: 1991-06-04
Abstract: The invention concerns a solid state sensor circuit using CMOS technology, in which the circuit created on the semiconductor chip (1) is connected to ground (3) via the chip's substrate; the input signals are thus independent of the potential of the chip.
Patent DE-4119212-A1 (DE)
Inventor: ARZBERGER MAXIMILIAN
IPC: E02F3/26
Filed: 1991-06-11
Abstract: The invention relates to a trench cutter and enables trenches to be produced at any angle of inclination. For this purpose, lateral control elements (26, 28) are arranged on a vertically movable cutter frame (18). The control elements (26, 28) can be actuated in such a way that they project beyond the outer contour of the cutting frame (18). <IMAGE>
Patent DE-4125028-A1 (DE)
IPC: A44B11/25
Filed: 1991-07-29
Abstract: The safety belt arrangement for children's safety seats in motor vehicles described comprises a belt buckle (1) with a lap and diagonal strap (13, 14) belt arrangement (4). The belt buckle (1) consists of the usual closure (2) and a single end-piece (3) guiding the belt with an inclined belt guide slot (9). The diagonal strap is secured at one end near the closure (2) of the belt buckle (1) to the lap strap and at its other end the diagonal strap (14) is secured to the end-piece (3) of the belt buckle (1) to form an adjustable-length loop (21). The loop (21) acts as a lap strap over a short run and passes through a eye (16) to which is secured one end of the lap strap (13), the other end of which is secured to the closure (2) of the belt buckle (1).
Patent DE-4125471-A1 (DE)
Title: Exhaust gas cleaning in which solvent is sepd. from washing fluid - has separate stages to separate activated sludge and solvent from washing fluid at absorption tower
Inventor: EHRESMANN HEINZ ERHARD DR
IPC: C02F3/02
Filed: 1991-08-01
Abstract: To clean exhaust gas, charged with biologically degradable matter and esp. impurities which are dissolved with difficulty in water, it is passed through an absorption tower to be washed by a fluid with an activated sludge and a high boiling solvent in a circuit to absorb the impurities. In an initial stage, the activated sludge is sepd. from the mixt. of solvent and washing fluid. The solvent is sepd. from the washing fluid in a separate second state. Pref., the activated sludge is sepd. from the mixt. of solvent and washing fluid in a separator or centrifuge, and the solvent is sepd. from the washing fluid by membrane filtration, esp. micro- or ultra-filtration. At least part of the activated sludge is returned to the cleaning circuit, and the sepd. solvent is wholly or partially returned to the cleaning circuit. The sepn. of the solvent and the washing fluid is continuous or intermittent. ADVANTAGE - The sepd. water or purified water, is free of matter and esp. activated sludge or solvent, and requires no further treatment or disposal.
Patent DE-4127477-A1 (DE)
Title: Stacked filter for uniform filter aid layer build=up - comprises flushing channel contg. element passing liq. stream unidirectionally and blocking or reducing flow in opposite direction
Inventor: BECKER HANS F
IPC: B01D35/153
Filed: 1991-08-20
Abstract: The filter has a stack of horizontal filter regions with a common liq. feed-, a common filtrate- and a flushing channels and each region has a filter element with filter layer(s) for building of a filter aid layer and for sepn. of a filtrate collection region from an overlying turbid space. Each turbid space has flushing agent inlet connected to the flushing channel which has a pressurised flushing agent supply at one end. The flushing channel contains an element which passes a liq. stream from one end to the other end of the flushing channel in one direction and blocks or reduces liq. flow in the other direction. Pref. filter without the flushing channel supplies the liq. to be filtered from a distributor pipe which extends from one end to at least partway along the feed channel and which has opening(s) for liq. entry into the feed channel. ADVANTAGE - Uniform build-up of filter and layers is obtd. in all the filter regions.
Patent DE-4127894-A1 (DE)
Title: Time chart for sea damage and environmental protection -  records above and below ground hydrogeological, geological, petrographical and geographical parameters
Inventor: WIEDEMANN BERND
IPC: G09B29/00
Filed: 1991-08-22
Abstract: The course in time of an environmentally harmful diffusion of toxic materials on the earth surface and below ground is presented by the chart dependent upon hydroecological, geological, petrographical and geographical parameters, anthropogenic alterations and stratum permeability, together with the preferential direction of amounts of toxic/material storage above the earth and near to the earths surface, pref. on a scale of 1:10,000. Also indicated cartographically is the tendential ground water flow direction. The course in time is presented in the form of reaction time classification. USE/ADVANTAGE - To present cartographically the spread and tendencies of environmentally harmful substances, to assist in the assessment of corrective measures to be envisaged.
Patent DE-4129262-A1 (DE)
Title: Shop window adhesive placard - uses paper of synthetic fibres and bonder(s) for simple disposal
Inventor: REICK WOLFGANG
IPC: G09F7/12
Filed: 1991-08-30
Abstract: The self-adhesive film material, for application to the outer surface of shop windows for clearance sales or special offers, or to give a decorative or restricted view of the window display, has a main layer (2) of a paper composed of synthetic fibes. The paper is pref. of cellulose fibres mixed with synthetic fibres together with a synthetic bonders. ADVANTAGE - The material can be printed as required, has the required resistance to the elements, and can be disposed of easily without special arrangements for plastics waste.
Patent DE-4132637-A1 (DE)
Title: Automatic weed removal on railway track with image recognition control - has tv cameras and processor to compute weed coverage and with spatially controlled spraying of track
Inventor: KUEHBAUCH WALTER PROF DR
IPC: E01H11/00
Filed: 1991-10-01
Abstract: The weed control vehicle has sensors, or cameras to scan the track and a processor to convert the signals into a measure of green coverage. If the green (weed) coverage exceeds a set value then that area is treated with herbicide via controlled spray heads (31). The spray heads operate with a time delay w.r.t. the real time signal processing, and are positioned away from the sensors. The system is calibrated to detect green colour of set composition. Several sensors can be mounted in an array to cover the track, with pivot mounted side booms to cover the track sides. The sprays are similarly mounted. The system can also be applied to roadways. ADVANTAGE - Herbicide is only applied where required, reduced overspray, saving on chemicals, environmentally suitable process.
Patent DE-4133515-A1 (DE)
Title: Thermoplastics moulding compsn. - contains polyester of specified viscosity and polyamide of specified viscosity having improved flowability properties
Inventor: BRIGHT THERESA ANNE DR
IPC: C08L67/02
Filed: 1991-10-10
Abstract: Compsns. (I) contain; (A) 40-99.5 % (all pts.wt.) thermoplastic polyester with viscosity no. (DIN 53 726, 0.5% in 1:1 mixt. of phenol and o-dichlorobenzene at 23 deg.C) (VA) 90-300 ml/g; (B) 0.5-10 % low mol. thermoplastic polyamide with viscosity no. (ISO 307, 0.5% in 96% H2SO4 at 25 deg.C) (VA) 30-100 ml/g, where VA-VB is at least 30; (C) 0-50% fibrous or particulate fillers or their mixts., (D) 0-40% rubber-elastic polymer; (E) 0-30% conventional additives. Pref. VA = 100-200 ml/g. VB = 40-80 ml/g. VA-VB is at least 50. (I) contain 50-99% (A) and 1-5% (B). (A) is PET and/or polybutylene terephthalate (II). (B) is polyhexamethylene adipamide (III) and/or polycaprolactam and/or partly aromatic partly crystalline copolyamide. USE/ADVANTAGE - Prepn. of fibres, films, and moulded articles partic. in the motor vehicle industry. (I) have improved flowability compared with compsns. not contg. (B), independently of amt. and type of (E), reduced cycle time, and improved toughness with greater plastic deformation before final break
Patent DE-4137125-A1 (DE)
Title: Automatic extendable aerial forming part of radio equipment - has coiled band antenna within sheath inflated by compressed air
Inventor: PFISTER HEINZ
IPC: H01Q1/24
Filed: 1991-11-12
Abstract: The antenna is in the form of a coiled metal band (2) enclosed between a tube of flexible material (12), the end of which is fixed internally (33). When not in use the aerial normally adopts a coiled condition (1) and is enclosed by the seated housing. When required the cover (32) is opened and compressed air is introduced through a base connection (37). This inflates the aerial antenna tube which unrolls. After use the antenna is deflected. ADVANTAGE - Compact, water tight housing.
Patent DE-4139834-A1 (DE)
IPC: H01H33/66
Filed: 1991-12-03
Abstract: The arc can be moved between the open contacts by the magnetic forces of a magnetic system (20) which is arranged outside the casing (10) at the end of the current supply (14) to the fixed contact (2). According to the invention, a substantially disc-shaped fixed contact (2) forms the base or cover of the hollow cylindrical casing (10). The magnetic system (20) generates a magnetic field (6) which passes through the fixed contact (2) and the field lines of which form a toroidal arch, the circular apex line of which has a radius rs which is, at the most, as great as the radius r1 of the smaller of the two contacts (2, 4). Contact burning is correspondingly reduced by the movement of the cathode spot in the magnetic field (6).
Patent DE-4141809-A1 (DE)
Title: Evaporative coolant circuit esp. for vehicular air-conditioning - equalises distribution of coolant injected in liq. state through expansion jets into corresp. individual evaporator tubes
Inventor: ZENKER HERMANN
IPC: F28F27/02
Filed: 1991-12-18
Abstract: The evaporator (1) contains a number of parallel tubes (4) ranged one above another with fins (5) for improved heat transfer and fed via expanders (13) from a distribution and collection space (7, 8) into which the coolant is delivered by a pressure line (2). Pure liq. collects in the centre (11) of the distribution space (7) while vaporised coolant rises into a space (12) around the inlet. The expanders (13) vaporise the liq. ADVANTAGE - Uniform distribution of coolant among evaporator tubes is secured with liq. always present ahead of these tubes and their associated expanders and less noise is generated.
Patent DE-4201198-A1 (DE)
Title: Liq. manure for slow-release fertiliser pellets prepn. - is used as pelletising liq. for hydroxide-forming cpd., pref. calcined dolomite and opt. clarified sludge
IPC: C05G5/12
Filed: 1992-01-17
Abstract: The use of liq. manure (LM) is claimed as pelletising liq. for hydroxide-forming (chemically water-binding) materials (I), opt. with added dewatered (pref. highly dewatered) clarified sludge (CS). Also claimed is the prepn. of fertilisers for agriculture and forestry, by using (I) (esp. the oxide, hydroxide or carbonate of magnesium or calcium) which react with the high content of water in LM to form prods. with plant physiological activity. (I) is partic. calcined dolomite (CD). Pref. (I) is mixed intensively with dry additives, opt. mixed with dewatered CS (pref. dewatered up to 50% solids) and pelletised by adding LM as pelletising liq. with cooling to room temp. the as pelletising liq. pref. contains fresh LM and fresh CS with storage time up to 10 days. The exothermic reaction is utilised by rapidly adding part of Lm (pref. 30-40% of the total water needed for pelletisation), bringing the mixt. rapidly to 80-95 deg.C, completing pelletisation by adding the remaining liq. and deodorising/disinfecting (pref. for at least 10-15 minutes with cooling to room temp. and addn. of further LM (pref. 65-70% of the total amt.). USE/ADVANTAGE - Nitrogen and phosphorus in the bulk waste materials LM and CS are converted into forms effectively utilised by plants. Problems of odour or pollution of the atmos. or water systems are avoided. NH3 in LM or CS is effectively buffered to prevent nitrification. The pellets are cheap slow-release fertilisers available throughout the year. The prevent the effects of acid rain on forests throughout the year, due to the content of Mg and ozone/odour removing components. Water (ca.93% of LM) is completely utilised in the proces
Patent DE-4203469-A1 (DE)
Title: Measurement of gap between working roller pair - detecting positions of the roller body ends remote from the gap and deriving gap width using reference point
Inventor: SCHULZE DIETER
IPC: G01B11/14
Filed: 1992-02-04
Abstract: The method involves detecting the roller body ends with sensing devices (4) on the ends of lever rods (5) and processing their signals to yield a signal representing the roller gap. The positions of the roller body ends are detected on the side of the working or supporting rollers remote from the gap and related to a reference point on the frame or near the frame in the region of the gap. USE/ADVANTAGE - enables highly accurate, problem-free detection of the roller gap opening even for hot roller mechanisms.
Patent DE-4205725-A1 (DE)
Title: Torque motor or moving-magnet galvanometer - useful for optical scanner e.g. for guiding laser beam
Inventor: MONTAGU JEAN
IPC: G01R1/02
Filed: 1992-02-25
Abstract: A torque motor (17) has a rotor (100) with a magnet (27) (pref. of NdFeB or SmCo), a rear shaft (16) and a drive shaft (14) which abut respective ends of the magnet (27) and a thin-walled torque-absorbing casing (26) which encloses at least part of the magnet (27), and which is connected to the drive shaft (14) and the magnet (27). Pref. the casing is connected to the magnet with a semi-flexible adhesive, pref. a silicone binder or an epoxy resin.
Patent DE-4206986-A1 (DE)
Title: Digital electronic circuit for addition and subtraction of coded numbers - has input registers with separate results register controlled by counter based circuit
Inventor: MERKLE PAUL
IPC: G06F7/50
Filed: 1992-03-05
Abstract: The digital electronic circuit has two input shift register stages that are clocked during the arithmetic operations. Results generated during execution are stored in a result memory operating together with a shift register (55). The clock pulses for the result transfer are delivered by a circuit that is based upon a counter circuit. This is coupled to a decimal place control stage. ADVANTAGE - Improved performance with simplified circuit.