baber/WOPTO huggingface dataset:
Patent DE-3842851-A1 (DE)
Title: Process and apparatus for treating fly ashes by floatation
Inventor: SEIDEL FRANK
IPC: B03D1/02
Filed: 1988-12-20
Abstract: Treatment of fly ashes by floatation for separating off carbon particles and subsequent dewatering is still accompanied in many cases by considerable difficulties. This is principally due to the fact that the carbon-containing particles present in the fly ash have a relatively high specific surface area with many pores and the floatation reagents adhere with difficulty to the surfaces. Removal of the carbon particles from the fly ash by floatation is thus very small and in many cases uneconomical. However, according to the invention a sharp separation of the carbon particles from the accompanying materials and thus a particularly economical removal by floatation of the carbon particles present in the fly ash is achieved by the coarse fraction arising in the classification of the fly ash being subjected to a separation into high-carbon and low-carbon fractions, and by the fine fraction arising in the classification being conditioned and then, with added floatation reagents, being subjected to a stirrer-free pneumatic floatation. <IMAGE>
Patent DE-3901713-A1 (DE)
Title: Vacuum switch
Inventor: KALVAS PETR
IPC: H01H33/666
Filed: 1989-01-21
Abstract: A vacuum switch has two vacuum switching chambers (2, 3) which are arranged in a fixed position in a supporting framework (1) and whose actuating bolts (6), which are connected to a moving contact piece (5), engage via in each case one lever (7) with a drive (11) and a contact-force spring arrangement. In order to ensure identical contact pressures on the switching contact pieces in both vacuum switching chambers despite a simple construction, a common, single contact compression spring (13) acts on the levers (7) of the two vacuum switching chambers (2, 3). <IMAGE>
Patent DE-3903188-A1 (DE)
Title: Control system for a hydrostatic transmission
Inventor: DEININGER HORST DIPL ING
IPC: B60K17/10
Filed: 1989-02-03
Abstract: The setting of a hydrostatic transmission connected to a driving engine is determined by a control pressure prevailing in a control-pressure branch line (17) which branches off upstream of a restrictor (14) arranged in a control-pressure line (4) and is connected to at least one delivery-flow adjusting element (11) of the transmission, the control-pressure branch line (17) having connected to it a drain line (29) with an interposed directional control valve (30) with an open position and a closed position which is acted upon, in a controlling manner, in the direction of the open position by the high pressure in the hydrostatic transmission. In order to make optimum use of the power provided by the driving engine, the proposal is to provide a control system for a hydrostatic transmission in which the directional control valve (30) is designed as a variable orifice and is connected to an adjustable stop valve (33). It is thereby possible for the control pressure in the control-pressure branch line to be modelled on the power hyperbola. <IMAGE>
Patent DE-3910929-A1 (DE)
Title: Device for the magnetic shaft of an eddy current measuring mechanism
Inventor: HERRMANN WERNER
IPC: G01D11/02
Filed: 1989-04-05
Abstract: A bearing device for the magnetic shaft of an eddy current measuring mechanism having two mutually spaced-apart bearing points is specified, the bearing points being bearing bushes of a thermoplastic copolymer and at least one of the two bearing bushes being divided at least once into radially elastic sectors over a part of its length and the sectors enclosing a circle with lower dimension compared with the bearing point of the magnetic shaft in the production state. The bearing device is characterised by the fact that the top bearing (2) facing the pointer shaft is injection moulded flush into the cover (5) of the measurement mechanism housing (4), a flange ring protruding inward from the outer edge of the cover being enclosed by two flanges (15, 16) of the upper bearing (2). <IMAGE>
Patent DE-3911889-A1 (DE)
Title: Apparatus for producing sulphuric acid by the contact process
Inventor: UKAWA NAOHIKO
IPC: B01J15/00
Filed: 1989-04-07
Abstract: To produce sulphuric acid by the contact process, there is provided an apparatus which has a pipe through which the feed gas containing sulphur dioxide and oxygen is passed and which is packed with a catalyst configured in the parallel gas flow embodiment for sulphuric acid in a single or a plurality of layers, which catalyst has a plurality of mesh-type or honeycomb-type through holes having an equivalent diameter between 3.0 and 15 mm and an orifice ratio between 40 % and 70 %.
Patent DE-3913658-A1 (DE)
Title: Stand for motor vehicle wheels
Inventor: KRATZ MANFRED
IPC: A47F7/04
Filed: 1989-04-26
Abstract: Stand for storing motor vehicle wheels, consisting of a stand base (4), a stand column (6) extending vertically upwards from the stand base (4), as well as at least one horizontal supporting part (10) arranged on the stand column (6) at a distance from the stand base (4) in the direction of the column longitudinal axis (8). <IMAGE>
Patent DE-3915692-A1 (DE)
Title: Fluorescence process measuring method - using switched laser, fluorescent light detection system with variable gain
Inventor: RUTH BERNHARD DR
IPC: G01N21/64
Filed: 1989-05-13
Abstract: Biological specimens are stimulated by light from a switchable laser and the fluorescent light from the specimens detected with and without stimulation. The laser intensity switch-on and off times are less than one microsecond. The intensity remains constant throughout the illumination period of several minutes. The fluorescent radiation is detected in a wavelength region determined by an optical filter. For low intensities photons are counted. For high intensities the gain is auotomatically adjusted to fully use the dynamic range of an ADC. USE/ADVANTAGE - For standardised measurement of rapidly varying fluorescent processes in biological specimens, i.e. photosynthesis systems.
Patent DE-3922769-A1 (DE)
Title: Spinner false twisting jets - are moved apart by positive drive into maintenance position for easy access
Inventor: STAHLECKER FRITZ
IPC: D01H15/00
Filed: 1989-07-11
Abstract: The air jets to give a pneumatic false twist at the outlet rollers of a drawing unit, at each spinning station, are connected to a positive guide mechanism which, when operated, moves them away from each other into inspection positions. ADVANTAGE - The jets can be accessible for maintenance and inspection, even where the spinning stations have a number of successive jets.
Patent DE-3924322-A1 (DE)
Title: Combined shoulder and chest support for cameras - uses adjustable length section with end piece rotational about two axes
Inventor: GOETZ MANFRED
IPC: F16M13/04
Filed: 1989-07-22
Abstract: In particular the end piece (11) is attached to one  withdrawable adjusting section (3) which fits into a telescopic pipe (1), and can be rotated about an axis along the length of the pipe. The camera support piece (7) is attached to the end piece (11) and is rotatable about an axis perpendicular to the length axis in pre-determined steps. Preferably, the adjustable section utilises a spring and groove keywaya. USE/ADVANTAGE - Support for cameras esp. video cameras. Provides stability for camera, with relatively small and cheap device for left and right handed people.
Patent DE-3926130-A1 (DE)
Inventor: RENNER HANS
IPC: F16N31/00
Filed: 1989-08-08
Abstract: In a vehicle with an internal combustion engine and a gearbox incorporated between the internal combustion engine and the driving wheels, the engine and gearbox are protected mechanically and pollution of the ground and the air due to leakage oil is prevented. To this end, the leakage oil collects in a tight trough located below the engine (1) and/or the gearbox (1'). The trough is permanently or detachably connected to the body (13) of the vehicle and is open on the side facing the engine and/or the gearbox.
Patent DE-3926359-A1 (DE)
Title: Roller shutter housing with U=shaped cross=section - has top and side wall(s) with stiffening members, spaced transversely along housing longitudinal axis
Inventor: WILMS HORST
IPC: E06B9/17
Filed: 1989-08-09
Abstract: The roller shutter is rolled up onto a roller which is mounted inside a housing (1).  The latter consists of a sheet metal pressing with a cross-section which has an inverted U-shape. The housing walls are stiffened by external depressions (7) which extend from the midpoint of the upper surface (2) to the midpoints of the side walls. The depressions in one side wall are staggered w.r.t the depressions in the opposite wall.  All the depressions have the same depth and are formed by pressing. ADVANTAGE - Wide applicability.
Patent DE-3928694-A1 (DE)
Title: Ink reservoir for printing cylinder - is used in photogravure printing and is made of flexible material and fits around printing cylinder
Inventor: VORRINK REINHARD
IPC: B41F31/07
Filed: 1989-08-30
Abstract: The reservoir holds the ink which is applied to the printing cylinder of a rotary photogravure printing machine.  The reservoir is made from flexible material which can be adapted to printing cylinders of different sizes. The reservoir (1) has the form of an open ended hollow cylinder with a wide longitudinal slot.  Sealing lips (5), of wear-resisting material, are formed around the curved end edges (2) and along one side (3) of the longitudinal slot.  When the reservoir (1) is fitted around the printing cylinder the ink is contained in the space between the reservoir wall and the surface of the printing cylinder. USE - Photogravure printing.
Patent DE-3929349-A1 (DE)
Title: Mowing maize and cutting stalks into chaff - by machine which operates in single action using drums with swivelling claws and endless belt feed
Inventor: STEMPLINGER JOHANN
IPC: A01D43/08
Filed: 1989-09-04
Abstract: The machine is for independent sequence mowing and chaff cutting of maize or similar crops. Two drums (14) revolving in counter motion in close proximity to each other, have a series of pivoted claws (26) around their perimeter which gather the maize stalk and cut off the heads. The stalks are carried on round and released on to an endless belt (20) and fed into a chaff cutter (6) through pressing drums (8). USE/ADVANTAGE - A rapid process transferring stalks directly into a chaff cutter without the possibility of them dropping and missing the cutter.
Patent DE-3931978-A1 (DE)
Title: Leather treatment agents giving soft handling - contg. substd. long chain (di:)alkanol:amide sulpho-succinic acid deriv. and synthetic aromatic tanning agent
Inventor: LAUTON ALAIN DR
IPC: C14C3/20
Filed: 1989-09-25
Abstract: Leather treatment agents contg. (a) an alkanolamide of formula (I), in which R = 9-23C alkyl or 9-23C alkenyl gp., R1 = H, gp. of formula (i); z = 2 or 3, X = H or alkali metal and Y = H, alkali metal, NH4, mono-, di- or trialkyl- or alkanolammonium; (b) a synthetic aromatic tanning agent or non-condensed precursor of this or an alkali metal- or ammonium salt of these, and opt. (c) a water-soluble Cr, Al, Fe or Zr salt or mixt. of these and (d) a conditioning agent. USE/ADVANTAGE - The tanning agents give leathers which after dubbing with commercial dubbing agents such as sulphonated fish oil, sperm oil or neat's foot oil and drying give bright, brilliant leathers with good light fastness, a firm, compact, even grain and a soft handle.
Patent DE-3934834-A1 (DE)
Title: Guided missile housing assembly - is made from two halves fastened together by strips which form guides for control cables
Inventor: SPENGLER HANS
IPC: F42B30/08
Filed: 1989-10-19
Abstract: The guided missile has a housing formed from two half-shells (1,2) which are fastened to each other by means of strips (3,3') of special cross-section which run along the entire length of the missile on each side. The nose of the missile contains the target seeking device which is connected by cables (20,21) to the guidance and propulsive system installed in the rear end of the missile. The strips (3,3') which join the two half shells together are formed with longitudinal grooves to receive the cables (20,21'). USE - Guided missiles.
Patent DE-3935512-A1 (DE)
Inventor: WOLFF HANS PETER DR RER NAT
IPC: C07C317/46
Filed: 1989-10-25
Abstract: The description relates to a novel process for manufacturing compounds of the general formula (II), in which R1 is an aryl or aryl residue substituted with halogen, straight-chain or branched C1-C6-lower alkyl, C1-C6-lower alkoxy or trifluoromethyl; R2 is hydrogen; A' is a valency line or a straight-chain or branched, saturated or unsaturated alkylene group with 1-5 carbon atoms; and R3 is an aryl group; wherein the aryl residue concerned may be substituted with halogen, straight-chain or branched C1-C6-lower alkyl, C1-C6-lower alkyloxy or trifluoromethyl; and their physiologically acceptable salts, esters and amides; by the reaction of acrylic esters with reactive metal organic compounds, and corresponding intermediate products.
Patent DE-3938542-A1 (DE)
Inventor: DOERK HORST
IPC: F24F11/00
Filed: 1989-11-21
Abstract: The invention relates to a process for energy recovery from the air flow between the internal room air and the external air with fans 5, 6 which press the air through heat accumulators 3, 4 in mutually opposite flow directions, a heat accumulator 3, 4 and a fan 5, 6 working, mostly in opposite directions, in each of two mutually separated ducts 1, 2, and the directions of rotation of both fans 5, 6 changing simultaneously at regular intervals.
Patent DE-3940032-A1 (DE)
Title: Water content measuring appts. for vehicle braking fluid - has capacitive sensor using brake fluid as dielectric and negative temp. coefficient compensation resistor
Inventor: HAUBER SIEGFRIED
IPC: G01N27/22
Filed: 1989-12-04
Abstract: The arrangement has a measurement sensor consisting of two measurement rings mounted in plastic and together forming a capacitor which uses the brake fluid as a dielectric. The variation of the dielectric constant caused by variation in the water content is measured. The variation of the dielectric constant with temp. is compensated by a negative temp. coefficient resistor. The evaluation electronics can be a window discriminator, digital display or control processor. ADVANTAGE - Measures braking fluid water content directly in fluid reservoir.
Patent DE-4000925-A1 (DE)
Title: Measuring water content of materials for wood, paper processing - by measuring change in speed of microwave signal passed through material via frequency modulation or noise correlation
Inventor: JAKKULA PEKKA
IPC: G01N22/04
Filed: 1990-01-15
Abstract: A microwave signal is passed through the measurement material and the change in the speed of the signal is measured as it passes through. The water content of the material is computed from the measured change in speed and the known relationship between this and the water content. The speed change is determined by frequency modulation, from the transition time of the microwave pulse or pulse sequence, or from noise correlation. The transition time is measured as the signal passes through the material using a constant measurement interval. USE/ADVANTAGE - Determining water content of material, primarily in wood and paper industry. Enables continuous measurement giving results used for real time process control.
Patent DE-4001273-A1 (DE)
Title: Small motor for tape recorder - has frequency generator with cylindrical section in contact with circumferential surface of housing to detect RPM
Inventor: TAMAKI JUN
IPC: G01P3/487
Filed: 1990-01-18
Abstract: The frequency generator has a rotor for detecting the rpm and a frequency detecting coil (7) which induces a voltage proportional to the motor rpm. The frequency generator stator (5) has a cylindrical section which comes into contact with the inner peripheral surface of the motor housing (1) and several stator engagement sections (5-2) at the open end edge of the cyl. section, which engage in the open end edge of the motor housing (1). The frequency generator stator is fixed at the motor housing, such that the cylindrical section of the stator fits with a press fit in the motor housing and the FG-stator engagement sections (5-2) engage in the open end edge of the motor housing, and the brush holder (2-2) of the small housing is arranged at the inner peripheral surface of the cylindrical section of the FG-stator. USE/ADVANTAGE - Driving sound roller or tape transport reel of small tape recorder. Accuracy and efficiency of fixing of freuqency generator stator is improved.
Patent DE-4001949-A1 (DE)
Title: Pressure monitor for cement injection point behind tunnelling machine - by extrapolating from pressure differences measured at points along cement delivery pipe
Inventor: KEMPF MANFRED DIPL ING
IPC: E21D9/06
Filed: 1990-01-24
Abstract: A method monitors the filling pressure of a filling compound (pref. cement) conveyed via a pipe line (40,32) to an injection point (34) leading into a circular space (30) behind a funnelling machine (10) in a funnel. Pressure differences for the viscous filling compound are measured inside the pipe line at several places (42) at a distance from the injection point (34) and lying along a given measurement path. To determine the filling pressure prevailing at the injection point, a value dependent on the measured pressure difference is taken as a measure of the pressure drop between the pressure-measuring point (42) and the injection point (34) and is subtracted from the pressure measured at the pressure-measuring point (42). ADVANTAGE - Precise pressure measured independently of viscosity and flow.
Patent DE-4003051-A1 (DE)
Title: Mfr. of cigarette filter tips - involves softening agent before spraying it onto tips
Inventor: GROTH CLAUS
IPC: A24D3/02
Filed: 1990-02-02
Abstract: Filter tips for cigarettes are made from a strip of tow which is first softened by applying a softening agent. The softening agent is contained in a tank (34) and is pumped through pipes (33, 33a, 33b) to spray heads (38a, 38b) installed in the spray chamber (37). The strip (4) of two is fed through the spray chamber (37) between the spray heads (38a, 38b). Heating devices (43a, 43b) are fitted around the pipes (33a, 33b) to heat the softening agent before it is sprayed onto the tow (4). The heating devices (43a, 43b) are controlled so that the temp. of the heated softening agent is lower than its flash point. USE - Filter tips for cigarettes.
Patent DE-4003145-A1 (DE)
Title: Chair bed with roller mounted drawer - has centre support section each side avoiding need for rear rollers
Inventor: PREMER HEINZ ING
IPC: A47C17/13
Filed: 1990-02-02
Abstract: The convertible chair-bed has a drawer supported on the ground by front rollers. The drawer is supported in the furniture frame (1) by a centre section (7) provided on each side. On one side of the centre section the drawer is displaceably mounted at least two spaced points and on the other side a support is  provided on the furniture frame. Rollers (8,9) or sliders mounted on the centre section (7) can be mounted in guides (3,6) on the carriage (4) and on the furniture frame (1). At least one (9) of the rollers guided in the furniture frame can be axially displaeable. USE/ADVANTAGE - Convertible chair-bed is of space-saving design where rollers do not have to be mounted at the back of the drawer.
Patent DE-4003425-A1 (DE)
IPC: A61M1/36
Filed: 1990-02-06
Abstract: For the reperfusion of stenosed blood vessels, the invention calls for blood to be taken from the patient through a catheter (K2) and this blood to be mixed in a mixing chamber (13) with a reperfusion solution. The mixture is fed through a catheter (K1) under controlled-pressure or controlled-volume conditions to the artery (A1) to be treated. This provides a method of treating an organ or extremity of the body which has been damaged by blood-vessel closure, and avoids further damage being caused by the sudden flow of normal blood at normal pressure through the organ or extremity.
Patent DE-4004853-A1 (DE)
Title: Car body tilting and hoisting mechanism
Inventor: BINDER MANFRED
IPC: B65G47/22
Filed: 1990-02-16
Abstract: The assembly of the car bodywork is facilitated by a mechanism for hoisting the bodywork vertically, or tilt it about its longitudinal axis to provide access to all parts. The mechanism consists of a vertical guide track (10) which can be raised and lowered by a lazy-tongs linkage (18). The guide track two guide pillars (13) at one side, with a pillar at each end of the track. The pillars guide attachments (16) which raise one side of the bodywork, whilst its other side slides in the horizontal guide track.
Patent DE-4007375-A1 (DE)
Title: Catalytic removal of noxious components in gas stream - comprises using e.g. directly heated platinum wire placed before heated sensor
Inventor: HORNIK WOLFGANG DIPL ING
IPC: G01N33/00
Filed: 1990-03-08
Abstract: Before reaching a sensor (2) which at its operating temp. is capable of detecting a gaseous cpd. in a flowing gas stream, the gas stream passes over a catalyst (5) heated to a temp. exceeding, possibly by a considerable margin, that of the sensor, and by which the target cpd is produced or a cpd fraction identifiable therewith. The catalyst may be a directly heated Pt wire, and the catalytic reaction, eg at 1000 deg.C, aided by an additive entrained in the gas stream. To reduce heat transfer, eg through a common base (1), the Pt wire may be gripped only at its ends, and span the intermediate base section, esp of a silicon disc. A separate heater (2) maintain sensor temp., eg at 500 deg.C. A control circuit maintains the catalyst temp.
Patent DE-4014260-A1 (DE)
Title: New hirudin-poly:alkylene glycol conjugate(s) - used as anticoagulants for treatment and prophylaxis of myocardial infarct, arterial occlusion, venous thrombosis and pulmonary embolism
Inventor: KURFUERST MANFRED DR
IPC: A61K47/48
Filed: 1990-05-04
Abstract: Hirudin-polyalkylene glycol conjugates (I) (A-(CH2)n-(O-(CH2)n)m-B-)pHir are new. In (I): A=OH, NH2, CH3CONH, COOH, COOR or OR; R = 1-4C alkyl; B = direct bond or a linker; Hir = hirudin, desulphatohirudin or hirudin mutein gp. linked via serine, threonine or lysine chain(s); m = 100-1000; n = 2-5; p = 1-4. Pref. the linker is (a) -O-(CH2)n-1-CH= or -O-(CH2)n-1-CO-; or (b) -X-CO-, -X-CO-NH-Z-NH-CO-, -X-CH2-p-Ph-N2-, -X-CH2-CH(OH)-CH2-p-Ph-N2-, -X-CO-CH2-CH2-CO-, -X-CH2-CO- or gp. of formula (i); R1 = H, Cl or OH; X = -S-, -O-, -N(H, CH3 or C2H5)-; and Z = 2-6C alkylene or p-phenylene. USE/ADVANTAGE - (I) are anticoagulants in human and veterinary medicine to treat and prevent e.g. myocardial infarct, peripheral arterial occlusions, deep vein thrombosis and pulmonary embolism. They are administered i.v. or i.m. (I) have a half-life of 1-100 hours, compared with 50 mins. for hirudin itself and 7 hours for hirudin-dextran. Further, (I) have high activity with only very slight antigenicity.
Patent DE-4014635-A1 (DE)
Title: Electronically controlled stepless torque distributor with differential gearing - incorporates hydraulic braking of gearbox output and control shafts by programmable controller sensitive to rotational speeds
Inventor: LINDLMAIR THOMAS
IPC: F16H61/02
Filed: 1990-05-08
Abstract: The appts. has a drive unit (1) is coupled by an input shaft (2) to a gearbox (9). An output shaft (3) and control shaft (4) are braked by hydraulic pumps (8) in respective closed circuits (7,6) with vol. control valves (5a, 5b). These are operated by an electronic controller (11) responsive to signals from tachometers (10) on the three shafts (2-4) and sensors of positions of a brake pedal (12), an accelerator pedal (13) and a gear ratio selector (14) according to a preselected program. ADVANTAGE - Any desired rotational speed from zero to max. is attainable under load at optimal gear ratio without recourse to clutch.