baber/WOPTO huggingface dataset:
Patent DE-4011485-A1 (DE)
Title: Measuring temp. during coupler welding to solar cell - irradiating solar cell with light, measuring idle voltage, and deriving solar cell temp.
Inventor: MATSUMOTO HIDEO
IPC: G01K7/01
Filed: 1990-04-09
Abstract: During welding of the coupler, the solar cell is irradiated by light from a pseudo-solar light source.  During welding the idle voltage is measured and the solar cell temp. during welding is determined from a known relation between the idle voltage and the solar cell temp. The solar cell deterioration during welding are determined by measuring the idle voltage prior to and after welding for mutual comparison.  The welding is typically carried out by an electrodee with a central gap.  The welding caused deterioration may be tested by measuring the voltage drop prior to and after welding in the forward direction. ADVANTAGE - Facility for predicting welded point strength during welding.
Patent DE-4012073-A1 (DE)
Title: Container for liquid or paste - is of rubber or similar material with wall of neck formed of hard elastic material
Inventor: KNAB GERALD
IPC: B65D47/20
Filed: 1990-04-14
Abstract: The vessel accommodates liquid or paste, having a round rectangular main portion and a neck which can be sealed off. It is of rubber or similar elastic material. The wall of the neck can be of hard elastic material, with two tongues inside on opposite walls. These bear against each other in the absence of external pressure on the neck, and are moved apart by pressure on the neck at right angles to the direction in which they extend. ADVANTAGE - Easily emptied and less environmental pollution.
Patent DE-4012143-A1 (DE)
Title: Washing ammonia out of coke oven gas with water - comprises two=stage process without need for distn. of regeneration plant and without environmental and cost drawbacks
Inventor: POLLERT GEORG DR
IPC: C10K1/10
Filed: 1990-04-14
Abstract: This is a method of washing ammonia out of coke-oven gas. The ammonia is washed out with water in a special circulating washing plant, after which ammonia remaining in the gas is wased out with water in a special final stage. The free ammonia is converted to fixed ammonia by combining with hydrochloric acid, and the resulting ammonium chloride, together with the carbon-rich ammonium chloride, is obtained as a crystalline salt. Several variants are claimed, and include provision for water containing a small amount of free ammonia being mixed with a stoichiometric quantity of hydrochloric acid before the water is used in the final washing stage. USE/ADVANTAGE - The method ensures that ammonia remaining in the coke-oven gas, after the main wash, is washed out without the need for the whole of the washing water to be treated in a still or for a regeneration plant for acid washing media to be employed. Environmental disadvantages and expense of other methods are avoided.
Patent DE-4015003-A1 (DE)
Title: Glass pane distance holder to simplify handling - has suction cup in body block which is released through operation of a ventilating system
Inventor: GREENYER BARNABAS
IPC: C03C27/12
Filed: 1990-05-10
Abstract: The distance holder betwen two vertical or generally vertical glass panes in an autoclave where the glass is covered with a plastics film for the air between the glass and plastics to be evacuated, has a body block with a movable suction cup where the open side of the cup extends from the block. Ventilation between the body block and the suction cup is provided which, when operated, releases the suction cup. The suction cup has an elastic movement within the body block and the ventilation system can be distorted elastically. The base section of the cup is firmly bonded to the body block. The ventilation is through push rods which, when the distance holder is in use, lie in a seal fit at the outlet openings of each lateral drilling, connected to each other and with a relief drilling which ends at the open section of the suction cup. ADVANTAGE - Simplifies the handling of the glass before and after insertion into the autoclave, giving automatic action and release of the suction grip for removal.
Patent DE-4021766-A1 (DE)
Title: Improving control of three=phase pulse inverter - modifying switch=over for low RPM to apply freewheeling state at zero voltage to machine
Inventor: SALAMA SAMIR DR
IPC: H02P27/10
Filed: 1990-07-06
Abstract: The regulating deviations of the phase currents are determined by phase comparators, and, upon reaching or overstepping specified tolerance bands for the phase currents, a control set is activated to changes over the switches so that respectively, upon exceeding a positive tolerance limit by a current regulating deviation of a phase, this phase is changed over to positive potential of the intermediate circuit voltage (to "1") and, upon exceeding the negative tolerance limit, to negative potential of the intermediate circuit voltage (to "0"). For the operation in the low r.p.m. range, the change-over switching is modified so that, between the active switching positions, respectively a free running position (000 or 111) with voltage O is applied to the machine. ADVANTAGE - Problems caused by high pulse frequencies prevented.
Patent DE-4023258-A1 (DE)
Title: Blocking reverse motion in cross-flow fan - involves use of pre-sprung blocking elements
Inventor: THIEN GERHARD DIPL ING DR
IPC: F16D41/12
Filed: 1990-07-21
Abstract: The arrangement is for blocking reverse motion in a cross flow fan impeller separable from the drive. There are at least two displaceably mounted blocking elements (8) are arranged on a face side of the impeller. The blocking elements are prestressed by springs (15) in the blocking position, in which they block a rotation of the impeller against the drive direction. USE/ADVANTAGE - Cross-flow fan for cooling a vehicle in which the impeller, when separated from the drive, can only turn in one direction.
Patent DE-4023437-A1 (DE)
Title: Unloading low platform brewery vehicle - involves use of folding sliding ramp
Inventor: TIEFEL HANS
IPC: B60P1/43
Filed: 1990-07-24
Abstract: The vehicle and trailer has at least part of the load carrying surface of the trailer below the level of the upper edge of the wheels. It has an unloading ramp in the form of an inclined plane. The ramp, which swivels about a joint (20), has wheels (24,25) allowing it to move along the side of the vehicle, and engagement is by means of L-shaped arms (14,22). USE/ADVANTAGE - Vehicle for the delivery of cases of bottled beer and beer barrels which requires a min. physical effort when unloading.
Patent DE-4024698-A1 (DE)
Title: Gas flushing brick - contained inside easily removable dome-shaped refractory block
Inventor: LANGNER GUENTHER DIPL ING
IPC: B22D1/00
Filed: 1990-08-03
Abstract: Gas blowing unit for flushing gas through metal in a metallurgical vessel consists of flushing brick (1) with gas channels (2) feeding the gas to the metal. The brick is surrounded by a dome-shaped (8a) refractory block (8) which has a handle (7) and is cemented into the vessel wall by refractory  material (15). Two or more flushing bricks can be located in a common block (8). ADVANTAGE - The whole arrangement can be easily and cheaply located in place or removed from the vessel.
Patent DE-4026509-A1 (DE)
Title: Borehole piston pump drive rod subjected only to tensile loads - is made from high tensile plastic material and only subjected to tensile load
Inventor: NICKEL JOERG
IPC: E21B17/00
Filed: 1990-08-22
Abstract: This line for a borehole pump has a drive at its above-ground end and the pump at its downhole end. The line is made of high tensile-strength material, and in the downward stroke of the piston-type pump there is an arrangement to ensure that the line is subjected only to tensile loads. Integrated with the uptake pipe (13), and directly above the pump, there is an outer pipe (5) of increased dia. and a compression spring (3.0). The spring is supported above and below. The inner pipe (1) passes through the spring and is connected to the rod (10) by a detachable coupling (11). USE/ADVANTAGE - Drawbacks of the usual screwed-type steel or combined fibreglass/steel lines are eliminated in this entirely new type of construction. Changing pump is easier and quicker, possible depths and delivery rates are increased, and risk of line breakage is lessened. The line, which can be used with any type of deepwell piston-pump, can be made of a flexible high-tensile corrosion-resistant material such as an anisotropic fibre-compounding material of higher tensile strength than the usual steel rods.
Patent DE-4027399-A1 (DE)
Inventor: KAESSER JUERGEN DR
IPC: H04B1/16
Filed: 1990-08-30
Abstract: A new car radio is described with a stereo decoder and an interference detector connected to the stereo decoder. 
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Patent DE-4027905-A1 (DE)
Title: Oxygen gas sensor sensitive at low and high oxygen partial pressure - consists of high purity cerium-oxide to which noble metal electrodes are attached
Inventor: BEIE HANS-JUERGEN DR
IPC: G01N27/12
Filed: 1990-09-03
Abstract: The resistive sensor, which detects the content of oxygen and oxidisable gases in exhaust gas, consists at least partly of pure CeO2. To obtain a change in resistivity of the sensor of pref. at least 1 order of magnitude for a change in p(O2) of about half an order of magnitude in exhaust gas with a lambda of 1 +/- 0.05 CeO2 with a purity of 98% is used at a temp. of at least 1000 deg.C.. In lean air/fuel mixtures with a lambda of up to 1.8 the purity of CeO2 pref. is 99.99% if operated at 700 deg.C., 99.96% if operated at 800 deg.C. and 99.91% if operated at 900 deg.C.. To construct the sensor pref. powdered CeO2 is mixed with an adhesion promoter, e.g. glass-frit, an organic binder and deposited on a substrate, which has been provided with interdigitated electrode contacts, as a thick film and fired. Alternatively the CeO2 (26) can be deposited by HF sputtering, again on a substrate (24) with an electrode structure (20,21). The surface of the sensor layer may be activated catalytically by depositing metal particles on it. The substrate may also carry a temp. sensor (27,28) and be provided with a heater, e.g. on the back. USE/ADVANTAGE - The sensor has improved sensitivity to oxygen over a larger range of partial pressures than conventional sensors, for a lambda range from 1.05-1.8 which can be used in the presence of reducing gases. The use of a thin layer, e.g. 5-10 micron, results in fast reaction times, e.g. in the order of 10-5 msecs.. The sensor gives a good reproducibility and is used for engine management.
Patent DE-4032059-A1 (DE)
Title: 4-Aryl-2-pyrrolidinone cpds. prepn. - from new 4-amino-3-aryl-butanoic acid derivs. by thermal cyclisation
Inventor: MULZER JOHANN PROF
IPC: C07D207/26
Filed: 1990-10-05
Abstract: Prepn. of (4S)- or (4R)-4-aryl-2-pyrrolidinone cpds. of formula (I) comprises thermal cyclisation of a 4-amino-3-aryl-butanoic acid deriv. of formula (II) and opt. cleavage of the easily-removable gp. and etherification of the resyltant hydroxy gp. In (I) and (II). R1= 1-7C hydrocarbyl, opt. interrupted by O; R2= 1-4C alkyl; R'1= R1 or an easily removable gp. (II) are new cpds. USE/ADVANTAGE - (I) are useful in treatment of neuroleptic and psychological disorders and in topical treatment of implementation. The process gives (I) in high optical purity and good yield.
Patent DE-4033983-A1 (DE)
Title: Two-layer stuffing element for cushion
Inventor: HIRATA KOICHI
IPC: B68G1/00
Filed: 1990-10-25
Abstract: The stuffing material is used for filling pillows and cushions. The individual stuffing elements may be spherical, oval or billet-shaped, or cubical.  Each of the stuffing elements is made of a core (1) surrounded by an outer covering (2). The core may be a variety of shapes, including a sphere inside a cube, a triangular shape inside a sphere, a square inside a billet etc. The core may be made of wood, bamboo, ceramics, metal, rubber or plastics together or in combination. The outer layer may be made of one of these materials, but may be different from the core. The outer layer may be softer than the core, e.g. made of expanded polystyrene.
Patent DE-4037325-A1 (DE)
Inventor: METZ MICHAEL
IPC: C12R1/01
Filed: 1990-11-23
Abstract: The process entails the fermentation mixture being circulated, at least for a time, and metabolic products of the cultivated cells and, where appropriate, biomass being separated, and has the following steps   - charging of the fermentation system with an amount of nutrient medium which suffices to start the required cell culture; - sterilisation of the system and adjustment of the required nutrient medium concentration; - inoculation of the nutrient medium with the seed culture and leaving the culture to grow undisturbed for a defined period; - increasing the concentration of the nutrient medium to the specific nutrient medium concentration of the cell culture with, at the same time, increasing the nutrient medium volume to the working volume of the system and of the cell concentration; - changing to a continuous procedure with replacement of the nutrient medium and removal of the metabolic products, and complete or partial recycling of cells; - discontinuation of the continuous procedure at a required time and harvesting of the biomass under sterile conditions; and, where appropriate, - repetition of some or all of the abovementioned steps in the stated sequence,  and apparatus for carrying out this process. <IMAGE>
Patent DE-4037684-A1 (DE)
Title: Friction clutch operating mechanism - has swivel-mounted disengagement lever reducing noise and vibration at bearing point
Inventor: MUELLER HELMUT ING GRAD
IPC: F16D23/12
Filed: 1990-11-27
Abstract: The device for operating a friction clutch has a swivel mounted disengagement lever (37) engaged at its free end by a clutch cable (47). This disengagement lever (37) is mounted in the clutch bell (12) by means of a slide bearing (35, 36) or by means of a rolling bearing such as a needle bearing (36). The slide or needle bearing can be mounted in a socket (31) which is pressed into a bore (33) of the clutch bell (12) by means of a stud (32). USE/ADVANTAGE - The disengagement lever has a broad bearing base resulting in reduced vibrations and noise levels.
Patent DE-4100929-A1 (DE)
Title: Sealing or reinforcement for sewerage pipe - uses laminated lining hose, and hardening synthetic foam, to form stiffener pipe
Inventor: DOERKEN WOLFGANG
IPC: F16L55/165
Filed: 1991-01-15
Abstract: The process is for sealing and/or reinforcement of a sewerage pipe or similar. It uses a laminated lining hose, closed at one end, and wiht a holder for an axial traction element. The hose is placed on the inner surface of the pipe. The lining hose has at least two layers, and is drawn into the pipe while collapsed. After one hose end has been closed, it is inflated by compressed gas or similar, and a space between two skins of the hose is filled with a hardening synthetic foam. After hardening, this and the two skins form an inner pipe. USE - Sealing and straightening sewer pipe.
Patent DE-4101206-A1 (DE)
Title: Pulsed light barrier transmitting light modulated by noise generator - has sync. demodulation correlating received signal with noise generator signal
Inventor: LAUFFS HANS-GEORG DIPL ING
IPC: G01V8/12
Filed: 1991-01-17
Abstract: The light barrier has a transmitter radiating intensity-modulated light and a photo-electric receiver followed by a signal evaluator. The intensity of light from a LED (2) is modulated by a noise generator (6) via a drive amplifier (1). The generator produces statically independent noise. A sync. demodulator (5) follows the receiver (3) to correlate the received signal with the signal from the noise generator. A low-pass filter (7) follows the demodulator to supply a comparator (8). The generator contains a Zener diode or uses the base-emitter path of a bipolar transistor as the noise source. ADVANTAGE - Prevents interference from periodic foreign light pulses.
Patent DE-4105846-A1 (DE)
Title: Work-pressing equipment onto milling-machine table - comprises spring on pivoting frame lockable by stop
Inventor: HERRMANN RUDOLF ALBIN
IPC: B27G21/00
Filed: 1991-02-25
Abstract: The equipment presses work onto the table of a milling machine having a protective cover over the cutter spindle. A spring (6') adjustable vertically and horizontally hinges from the working position into one exposing the work (8) and spindle. The spring is secured by its holder (6) to a pivoting support frame (5), which is lockable by means of a stop (13) in the working and protecting position on the machine. USE/ADVANTAGE - Rapid movement into the desired position.
Patent DE-4106057-A1 (DE)
Title: Blood pressure monitor with armband bridging artery - has sleeve pref. contg. spring with screwed stopper at one end and sensor fixed at other end as magnetic piston
Inventor: SIMON PAL DR
IPC: A61B5/022
Filed: 1991-02-27
Abstract: If the blood pressure of the patient is 120/80 mmHg, the pressure exerted by the sensor (50) on the artery across the spring (40) is set at 100 mmHg, or across a gas applied in an envelope positioned behind the sensor (50). The spring or the enveloped gas holds the sensor at a determined pressure on the artery. The sensor can also consist of a magnet. In this case only a coil is fixed around the magnet in the sleeve (20). An electronic circuit (100) is connected to the magnet which can process the incoming signals or signal faults and store and also giving warning signals. USE/ADVANTAGE - Mobile continuous working blood pressure monitor. Constantly controls, whether blood pressure of patient in pathological regions has risen or fallen.
Patent DE-4107637-A1 (DE)
Inventor: STEBE HEINZ
IPC: G02B6/42
Filed: 1991-03-09
Abstract: In an optoelectric component (1) having integrated fibre coupling, the glass fibre (7) is embedded in a fibre sleeve (6) which consists of a commercially available plug pin, and together with a mounting block (4) which supports a transducer (5) said sleeve is fixed to a base part (3) which, for its part, is attached to the end face on the base (2) of a commercially available transistor housing and covered by means of a cap (8) of elongated design. The base part (3) consists of a tubular, rear section (14) into which the fibre sleeve (6) is soldered, and a front section (11) having a plane surface (12) which is situated below the central axis of the base part (3) and to which the mounting block (4) is attached. <IMAGE>
Patent DE-4108485-A1 (DE)
Title: Automatic tensioning and damping element for continuous chain drives - consists of ring and lubricant store
Inventor: EBERT SIEGFRIED DIPL ING
IPC: F16H57/05
Filed: 1991-03-15
Abstract: The automatic tensioning and damping element for continuous-chain drives which are elastically deformable between an empty and a loaded stringer, consists of a ring chain which is deformed in shape between a concentric circle and an elliptical Cassini curve. The ring's diameter is larger than the diameter of the smallest chain-wheel on the chain-drive. Between one inversion centre (2) and the inside of the ring (1) is a store of lubricant (3) either consisting of open-pored foam (3.1) or peripheral grooves or open cells. ADVANTAGE - The tensioning and damping element discharges lubricant to its toothed profile at a constant rate in proportion to a set threshold value for its temperature and rotational speed.
Patent DE-4116582-A1 (DE)
Title: New bi:cyclic 1-aza-cycloalkane 5HT antagonists - for treating Alzheimer's disorders, and for improving memory
Inventor: WALTHER GERHARD DIPL CHEM DR
IPC: C07D453/02
Filed: 1991-05-17
Abstract: Bicyclic 1-aza-cycloalkane derivatives of formula (I), their enantiomers, racemates, diastereomers, acid addition salts and quaternary salts are new. R = 1-6C alkyl, 3-6C alkenyl or 3-6C alkynyl (all optionally substituted by phenyl, bipheny, oxetan or 5-7 membered heterocycle, themselves optionally substituted). R may also be phenyl, biphenyl or 5-7 membered heterocycle (all optionally substituted). X = O or S. A, B, C = independently CH2 or a direct bond. n = 0-2. (+)-propargyloxymethyl) -1-azabicyclo(2.2.2)octane is specifically claimed. (I) is prepared by reacting the corresponding alcohol or thiol (whose ring N atom is protected) with an alkylating reagent of formula R-Y, where Y is a leaving gp.. USE/ADVANTAGE - As 5HT receptor antagonists for the treatment of Alzheimer's disease, senile dementia and cognitive disorders, and for improving memory. Unit dose is 1-100 mg., administered orally or by injection.
Patent DE-4116778-A1 (DE)
Title: Electronic imaging and digital storage of route map - scanning topography and producing binary sequences characteristic of contents of each scan cell
Inventor: WIDMANN FRIEDRICH DIPL ING
IPC: G09B29/10
Filed: 1991-05-23
Abstract: An instance is depicted of roads (11,14) on two levels (10,13) joined by a steeply graded link road (12) and having an acute-angled junction (15) on the upper level. Prim. information from scan cells (Z) is digitised and memorised together with e.g. the gradient (alpha) and the junction angle (beta). Sec. information such as street names (St) and the location of parking places (Ph) is also encoded pref. as a sequence of bits. ADVANTAGE - Navigation is aided by larger scan cells without loss of details such as acute road junctions, crossings at different levels etc. as well as gradients.
Patent DE-4118486-A1 (DE)
Title: Intelligent data terminal for road vehicle system - has optical or infrared link in communication with on-board system for personal computer secured data
Inventor: WEIXLER BERNHARD
IPC: G06K19/07
Filed: 1991-06-05
Abstract: The intelligent data terminal can communicate via an optical fibre or infra red link (51) with the on board system or with a P.C. The terminal has a CPU (31) coupled to RAM/EEPROM memory containing the operating system and data. Entries may be made through a keyboard (57) and the unit has a display (58). A power failure is detected by a circuit (54) and back up is provided by a battery and solar cell (55,56). ADVANTAGE - Wear free interconnection. Protected against unauthorised access.
Patent DE-4130476-A1 (DE)
Title: Directional parabolic reflector radiator with planar excitation - has resonator array formed for phase, and impedance matched waveguides
Inventor: ROTHE LUTZ DR
IPC: H01Q5/45
Filed: 1991-09-13
Abstract: The parabolic reflector has one or more coupled waveguide resonators fitted as primary excitation in its radiation focal point. A resonator array is formed on a dielectric support, consisting of microstrip waveguide resonators of identical phase and impedance matched feed. The resonance array consists of two subgroups (1,2) with spectral range from 10.95-11.70, or 12.50-12.75 GHz. The subgroups are coupled by microstrip technique via a ring hybrid (3), whose signal paths are so rated that both subgroups are decoupled in case of central feed for the above spectral ranges. The first subgroup generates vertically polarised, electric field vector (5). USE/ADVANTAGE - For stationary, or portable, reception of satellite transmitted signals, with system integrating facility and noise reduction.
Patent DE-4133856-A1 (DE)
Title: Diesel engine fuel injection control system - uses pressure sensor signal for detecting beginning and duration of fuel injection interval
Inventor: STRAUBEL MAX DIPL ING DR
IPC: F02D21/08
Filed: 1991-10-12
Abstract: The control system uses a pressure sensor (27) signal to determine the beginning of the fuel injection interval and the timing of the fuel injection pulse, for accurate evaluation of the actual fuel injection quantity. The output signal from the pressure sensor is compared with a given threshold to detect the beginning of the fuel injection interval, and a differentiated pressure sensor signal is used to detect the end of this interval. The pressure sensor is pref. incorporated in a pump element, and the injected fuel quantity is provided by a field of values addressed by the fuel injection interval and the detected engine revs. ADVANTAGE - Precise detection of injected fuel quantity.