baber/WOPTO huggingface dataset:
Patent DE-3935367-A1 (DE)
Title: Engine brake operating system - increases working gas pressure to increase brake action
Inventor: RICHTER HORST
IPC: F02M26/10
Filed: 1989-10-24
Abstract: The system is for an IC engine to drive a vehicle. Working gas is compressed during brake operation, and is at least partly extracted from the working chamber, before the end pf the expansion stroke. The exhaust manifold (4) is sealed to the atmosphere. The complete working gas, escaping from the working chambers (1) during all working strokes, is returned into the chambers, in a sealed circuit for renewed intake at a gas pressure, which is increased relative to atmosphere and operation. USE - IC engine braking system.
Patent DE-3938860-A1 (DE)
Title: Tractor-mounted tillage implement - has tines carried on W- or V=shaped frame
Inventor: GUETTLER FRITZ
IPC: A01B59/043
Filed: 1989-11-23
Abstract: The tillage implement esp a harrow, is used in conjunction e.g. with a seed drill has a W- or V-shaped frame for carrying the tines. The carrier (1) of the implement extends transversely to the direction of travel, and in plan view the tine carriers (4a)-(4f) on it are arranged in a W- or V-shaped open or closed to the direction of travel. USE/ADVANTAGE - the implement achieves optimum and complete levelling of the soil across the whole width worked by the tines, including the tracks of the tractor's wheels.
Patent DE-3939223-A1 (DE)
Title: Fitting artificial crown to natural tooth - involves use of intermediate gripping device
Inventor: HAMANN RAINER
IPC: A61C5/73
Filed: 1989-11-28
Abstract: The aritificial crown (1) is fitted to the stump of a natural tooth (2) by m a prim. and sec. part with a gripping device made of plastics fitted between the primary and secondary parts. The primary part is made from wax or plastics and fitted over the stump. The gripping device has two parallel tongues which fit over the primary part with a snap action. The crown is then formed around the gripping devices. USE - Dentistry. Fitting of crown to stump of natural tooth.
Patent DE-3940984-A1 (DE)
Title: Forming of sheet metal shells or tubes - by using pair of bending rollers with mechanism to swing one roller about the axis
Inventor: SPAETH WALTER E
IPC: B21D5/14
Filed: 1989-12-12
Abstract: The sheet metal is formed into a circular sheel or tube, by bending the sheet by means of rollers. The sheet metal is guided by passing it between the gap between two sets of rollers (3,4) with the one set (4) mounted above the other set (3). After passing between these sets of rollers (3,4), the sheet metal passes between the pair of bending rollers (1,2). These bending rollers are so mounted that one roller can be swung about the axis of the other roller through an angle (alpha). The magnitude of the angle (alpha) determines the radius of curvature of the shell or tube. USE - Forming sheet metal shells or tubes.
Patent DE-4006737-A1 (DE)
Title: Two part flying kite - consists of rigid rotary part on horizontal axis
IPC: A63H27/08
Filed: 1990-03-03
Abstract: The kite attached to a string consists of two rigid sections, one of which gives the kite lift and is in the form of a part rotating on a horizontal axis and set rotating by the wind. The side opposite the wind lifts up as a result of Magnus effect. At right angles to the. first part is a disc the centre of which is in the middle of the pivot axle of the lift-part. The rotary disc imparts lateral stability. The string is attached by means of a fork on the axle ends. ADVANTAGE - The kite is not flat as is usual and has connections for the string so that the string does not wind onto them.
Patent DE-4008623-A1 (DE)
Title: Metal encapsulated electric switchgear - has circuit breaker with switching drive mechanically linked to load-separating switch
Inventor: HOLLMANN FRITZ
IPC: H01H33/12
Filed: 1990-03-17
Abstract: The switchgear has at least one switching panel with switches and accessories, such as bus-bars, line connections, insulators, driver etc. with at least one panel forming the power switching one with e.g. vacuum circuit breakers and a load separating switch (LS). The power circuit breaker (3) has a drive switch (1). The drive switch (1) is mechanically coupled to the load separating switch, or an interruptor (4) such that the latter is broken directly after current interruption for the power circuit breaker. Pref. the mechanical coupling (6) of the driver switch is incorporated between the power circuit breaker and the interruption and contains a time delay member. ADVANTAGE - Low-cost design with required safety measures.
Patent DE-4009446-A1 (DE)
Inventor: FORSTREUTER HORST DIPL ING
IPC: G06F11/00
Filed: 1990-03-23
Abstract: Each display control (2) is associated with a counting circuit (4) which counts the number of video signal alternations occurring in preferably several monitor pictures and supplies the count to a protection-related computer (3). The latter compares the count or the counts of successively counted-out monitor pictures with the sum of the video signal alterations known to it for these pictures or derived by it from these pictures. In the event of an inadmissible deviation, the safe computer sets an error signal on the basis of which the further processing of the pictures which can be represented on the monitor (1) is blocked at least for security applications. <IMAGE>
Patent DE-4014047-A1 (DE)
Title: Stroke position correction device for CRT reproduction system - using correction of X deflection to synchronise Y deflection frequency with stroke release frequency
Inventor: KUEN JACOB
IPC: B41B19/01
Filed: 1990-04-28
Abstract: The correction device is used to correct the position of the successive strokes obtained across the surface of the CRT screen (2) during the relative movement of the latter.  The intermediate imaging objective (4) to the photosensitive recording material (6) lies on the opposite side of the objective (4) to the screen (2). The correction is effected via the X deflection circuit for the CRT beam, when the stroke release frequency or phase does not confirm to the CRT deflection frequency (14). ADVANTAGE - Improved quality of image projected onto photosensitive medium.
Patent DE-4019198-A1 (DE)
Title: Filter unit with pressure monitoring circuit - connected to filter state memory circuit
Inventor: WOLF GERHARD
IPC: B01D46/46
Filed: 1990-06-15
Abstract: In a filter unit having several filter elements (esp. bag filters) and a monitoring circuit employing a differential pressure measuring device with one input connected to the clean gas space and another input connected to the dust space, a memory circuit, pref. an electronic circuit (esp. a RAM or automatic hold circuit) is connected to the monitoring circuit. The memory circuit is pref. switched on by an initiator switch mounted directly on the filter, the switch being actuated by filter element clamping device or by the filter lid. USE/ADVANTAGE - The filter unit is used esp. for filling containers with dust-like prods.. Monitoring reliability is improved since the actual state of the filter is stored when filter operation is stopped e.g. for repair or damaged filter element replacement.
Patent DE-4019925-A1 (DE)
Title: Polyolefin prodn. with high bulk density and good processability
Inventor: THUM GERHARD DR
IPC: C08F4/646
Filed: 1990-06-22
Abstract: Prodn. of polyolefins (I) by polymerisation of alpha-olefins at 50-150 deg.C and 1-40 bar in the presence of a catalyst consisting of a transition metal component (A) and an organometallic cpd. (component B); the novelty is that (A) is prepd. without sepn. of intermediates, by (a) reaction of an organomagnesium cpd. of formula (n-Bu)x(n-octyl)yMg (II) (with x = 1.2-1.7; y = 0.3-0.8) with 0.5-2.5 mols. chlorinated hydrocarbon (III) (w.r.t. 1 mol. II) at 30-110 deg.C, (b) treatment of the suspension obtd. with 0.1-1 mol. electron donor (IV) (per g-atom Mg in the solid) at 0-100 deg.C and (c) reaction of the support material obtd. with 0.5-2 mols. (per g-atom Mg in the support) of a cpd. of formula TiXm(OR)4-m (V), at 30-120 deg.C (with R = 2-10C alkyl; X = Hal; m = 0-4). Pref. (IV) is diethyl sulphite (IVA) or Me2Si(OEt)2 (IVE), and (V) is TiCl4.
Patent DE-4024531-A1 (DE)
Inventor: FOERSTER THOMAS DR
IPC: C11D1/83
Filed: 1990-08-02
Abstract: Stable, substantially non-aqueous liquid washing agents which contain non-ionic tensides, at least 8 % wt. anionic tensides and a peroxy bleach in which the ratio by weight of non-ionic tensides to anionic tensides is 4:1 to 1:2.5, are obtained by the wet grinding of a mixture of non-ionic and anionic tensides and peroxy bleaches. The agents may contain other solids in dispersed form. Here, the ratio between solid and liquid components should not exceed 40:60.
Patent DE-4026140-A1 (DE)
Title: Automatic gearbox lubricating system - has chamber of larger cross=section for connecting two oil drillings
Inventor: YUGE KAZUYOSHI
IPC: F16H61/00
Filed: 1990-08-17
Abstract: The lubricating system is for part of an automatic gearbox, having a pressure source (10) to whose outlet port (44) a first oil drilling is connected at one end. A second oil drilling (46) is connected at one end to the part (32) to be lubricated, while a chamber (40) connects the other ends of the two drillings together, and is of larger free cross-section than either. The three can be connected together in series. ADVANTAGE - Gives ideal flow rate without risk of choking by dirt.
Patent DE-4030816-A1 (DE)
Title: Heel holder for ski binding - consists of housing with sole holder, and three parallel axles, compression spring, two cams, and opening lever
Inventor: JUNGKIND ROLAND DIPL ING
IPC: A63C9/084
Filed: 1990-09-28
Abstract: The heel-holder for a ski-binding consists of a housing (9) to which is fixed a sole-holder (10) which can be moved on a first housing-axle (14) parallel to the upper surface of the ski. A stop-lever (19) moves on a second axle (18) parallel to the first and has a catch (20a,b) presssed by a compression-spring (11) into a catch in a cam (21) on the sole-holder (10). The housing (9) has an opening-lever (12) pivot mounted on a third axle (24) parallel to the first two axles (14,18). The lever (12) has a contact surface for resting against the stop-lever catch (20a,b). USE/ADVANTAGE - The compact heel-holder is a skin-binding has cams determining the force and path of the sole-holder.
Patent DE-4032033-A1 (DE)
Title: Electric control and monitoring for underground plant - triggering safety-relevant signals for transmission over independent paths and processing by redundant systems
Inventor: KRAMER RICHARD DIPL ING
IPC: G05B9/03
Filed: 1990-10-09
Abstract: Two redundant main automation arrangements (1,1') exchange data between special communication processors (3,3') over a link (2) and are connected by buses (4,4') to subsidiary electronic units (5-8,5'-8') at distribution nodes e.g. on different levels of a mine. Warnings e.g. of impending winding operations are given by horns or loudspeakers (10) wired (9) to one main processor (3). The actual operating condition is displayed (13), printed (11) and magnetically recorded (12) with information supplied to a winding-engine control desk (14). ADVANTAGE - Non-allowable operating conditions of all kinds are recognised and counteracted with greater safety even in the event of unit failure.
Patent DE-4033212-A1 (DE)
Inventor: BURKHARDT WILLI
IPC: F16K3/02
Filed: 1990-10-19
Abstract: The invention relates to a slide gate for closing a pipeline, having a housing (1) which encloses the individual slide gate and having lip seals (4) which are clamped in the housing by means of the one end and slide, by means of the free end on the associated outer surface of the slide gate plate (2). The invention is based on the object of protecting the slide gate against wear. The invention is characterised by the following feature: The sealing lip or lips located on the one side of the slide gate is or are dimensioned such that the individual slide gate is largely covered, in the closed state, by the sealing lip or the sealing lips.   <IMAGE>
Patent DE-4033826-A1 (DE)
Title: Colouring building material with inorganic pigment granulate
Inventor: RADEMACHERS JAKOB DIPL CHEM DR
IPC: C04B18/02
Filed: 1990-10-24
Abstract: In colouring building materials with inorganic pigment granulates (I), the novelty is that (I) consist of an aq. suspension of pigment(s) (II) and B, Al, Si, Ti, Zn and/or Sn cpds. (III). Pref. (II) is Fe, Cr, Mn and/or Ti oxide, esp. Fe oxide pigment. (III) are in the form of oxides and/or hydroxides or borates, aluminate, silicates, titanates, zincates or stannates, esp. water glass or Si02 sol. (I) contains 0.05-5, pref. 0.1-1 (wt.)% (III) w.r.t. (II) and have an average particle size of 0.5-10, pref. 0.5-2 mm. (I) have a water content of 0.1-10, pref. 0.2-2% and tamped density of 0.5-2.5, pref. 0.8-1.5 g/ml and are produced by build-up granulation.
Patent DE-4038068-A1 (DE)
Title: Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone
Inventor: POMPLUN DIETER
IPC: B01D53/62
Filed: 1990-11-29
Abstract: Redn. of CO2 from gas-fired plant is carried out with a container (1) and a pump (2) connected by a pipe to spray heads (3) which are placed in a reaction zone (4). Pref. the bottom of the reaction zone consists of a clack valve (7), pref. with a pipe or hose connector connected to a container (6). the reaction zone is preceded by a waste gas heat exchanger (9). The pump (2) is attached to the container (1) or is an immersed pump inside this. ADVANTAGE - In both cases, the spray system can operate with much more concn. of lime milk than usual, without becoming blocked.
Patent DE-4042473-A1 (DE)
Title: Tube-bending appts. with additional internal heating coil
IPC: B21D7/00
Filed: 1990-02-08
Abstract: The outer inductor comprises two rings (1, 2) independently movable in axial and radial directions (4, 3). The tube is driven (5) through both rings (1, 2) while being heated by the internal helical inductor (10) on the end of an axially movable former (11).  The region of deformation (6) by the pivotable bending arm (7) is sprayed with cooling water from a perforated collar (16). The region between the rings (1, 2) of the outer inductor is surrounded by a cooling jacket (13) whose axial dimension increases continuously towards the outside of the bend.
Patent DE-4111370-A1 (DE)
Title: Oscillating conveyor device for workpieces in bulk - has central shaft with eccentric discs, coupled to blocking arms with wedge heads
Inventor: FELDPAUSCH HUGO
IPC: B65G47/14
Filed: 1991-04-09
Abstract: The conveyor is for workpieces supplied in bulk. It has an oscillating ring, an oscillating conveyor bucket, and a locking device with central operation. A turntable central shaft (2) accommodates at least one eccentric disc (6). Each disc is coupled with a locking arm (4) with wedge head (13). The wedge head is clamped under the oscillating ring (14). The central shaft carries a polygonal profile (5), for eccentric discs. Each arm is held in a guide bracket (16). The ring has a conical clamp surface for the wedge heads. Each head is formed as a disc with conical surface.
Patent DE-4112665-A1 (DE)
Title: Variable vehicle parameter monitoring appts. - detects potential across source terminals upon separation from supply to detect failure
Inventor: NITSCHKE WERNER DIPL PHYS
IPC: G05B19/042
Filed: 1991-04-18
Abstract: The variable vehicle parameter monitoring appts. has at least one source (10) connected at one terminal (12) to one pole (16) of the voltage supply and connected to the opposite supply voltage pole (22) at the second terminal (18) via a series switch (32). The potential across the source terminals (12, 18) when the switch (32) is open is compared with a reference potential, to indicate failure of the source (10) when the compared potentials differ by more than a given amount. Pref. the monitored parameter is provided by the position of a given element, e.g. a potentiometer, operated by the driver. USE/ADVANTAGE - Simplified fault monitoring of electronic accelerator pedal, engine control, ABS/ASR, electronic transmission systems, etc.
Patent DE-4112990-A1 (DE)
Title: Cover for gap between vehicle seat and transmission tunnel - has flexible screen located on Y=shaped support
Inventor: SCHLAFFKE HANS-JUERGEN
IPC: B60N2/90
Filed: 1991-04-20
Abstract: Arrangement for covering the gap between the side of a vehicle seat cushion (10) and the transmission tunnel cover (11) by means of a Y-shaped carrier component (14) attached to an angled carrier rail (15). The Y-shaped part has at its upper ends a screen (18) which completely conceals the gap between the seat and the tunnel, and which is made of a flexible material which matches that of the seat cover, with tension provided by a compression spring (21). ADVANTAGE - Cover for a gap which may vary in width which is cost effective to make and install.
Patent DE-4113053-A1 (DE)
Title: Fluoro benzene liq. crystal derivs. for low viscosity - useful as components of liq. crystal media for electro=optical displays, with wide mesophase range and low temp. anisotropy
Inventor: KRAUSE JOACHIM DR
IPC: C07C13/28
Filed: 1991-04-22
Abstract: Fluoro benzene derivs. of formula (I) are new. R = H or 1-15C alk(en)yl opt. substd. by are CN or CF3 or by halogen(s) and opt. having -CH2- gp(s). replaced by -O-, -S-, 1,4-cyclobutylene, -CO-, -CO.O-, -O.CO- or -O.CO.O- so O atoms are not directly linked to each other; L = H or F; Y = F or Cl; m and n = 1 or 2; and Q = single bond, -CF2-, -O.CF2- or -O.CHF-, if L = F, when both Q = single bond and n = 1. USE/ADVANTAGE - Resin their optical and dielectric anisotropy at low temps.
Patent DE-4113626-A1 (DE)
Title: Conveyor belt for use e.g. in open-pit mining - includes traction supports, wear and tear resistant inserts and belts in an intermediate layer to take-up longitudinal forces
Inventor: GOEHRING HELMUT PROF DR SC TEC
IPC: B65G15/36
Filed: 1991-04-26
Abstract: The belt having traction supports and opt. inserts against impact wear-and-tear is new. The running side of the belt comprises a running layer and an intermediate layer. A means, e.g. a belt is included in the intermediate layer at least in the load-subjected support region of the conveyor belt above a carrier roll to take up longitudinal forces. USE/ADVANTAGE - The belts are used e.g. in open-pit mining conveyor belt systems and are rip resistant.
Patent DE-4119483-A1 (DE)
Inventor: RHEINBERGER VOLKER DR
IPC: A61K6/06
Filed: 1991-06-13
Abstract: The use of a mixture which contains a matrix-forming glass powder and, as opacifying agent, 10 to 60 % by weight of ZrO2 with average particle sizes between 0.1  mu m and 5  mu m for the preparation of a primer for coating a metallic dental crown or bridge by moistening with a liquid.
Patent DE-4125469-A1 (DE)
Title: Combined metal and ceramic rotor blade - has treated surfaces near end of bonding zone and untreated contact surfaces away from end
Inventor: YOSHIKAWA TAKAYA
IPC: C04B37/02
Filed: 1991-08-01
Abstract: The combined metal and ceramic body, such as for turbocharger or gas turbine rotor blades or parts, has a forced bonding contact between the two components after at least one of the contact surfaces (5) of the metal component (3) and the ceramic component (2) have been treated in a section (10) near the end of their bonding zone (9). At least one of the contact surfaces (5) has an untreated surface area (12) at a different section from the end of the bonding zone (9). The ceramic component (2) is pref. a cylindrical body, and the metal component (3) is a cylindrical body with a recess (4) or a passage opening to hold the ceramic component. The treated surface area (10) has a low friction coefficient and the untreated surface (12) has a high friction coefficient.  ADVANTAGE - The combined unit has a high strength and torsional strength without slippage. The ceramic material is undamaged during mfg. and in use.
Patent DE-4133359-A1 (DE)
Title: Contactless measurement of water layer thickness on road surface - directing beam of light with limited spatial angle towards road surface and detecting back-scattered light in two near infrared wavelengths
Inventor: HOLZWARTH FABIAN DIPL ING
IPC: G01N21/359
Filed: 1991-10-09
Abstract: The method of contactless measurement of the thickness of a layer (2) of water on a road surface (3) involves directing a beam of light (1) with a limited spatial angle towards the road surface and detecting the light reflected via the water layer, if present, in two wavelengths in the near infrared region. The thickness of the water layer is derived from the amplitudes (PHI lambda 1, PHI lambda 2) of the selectively detected back-scattered light flows, pref. using the equation X = lnPHI lambda 2/PHI lambda 1 / 2beta lambda 1 - beta lambda 2. The derived thickness (X) is displayed. USE/ADVANTAGE - For road safety measure. Enables contactless, predictive detection of water layers on road. Can be built into motor vehicle. Short response times over relatively large measuring distances. High immunity to stray light.
Patent DE-4133931-A1 (DE)
Title: Two=stage gas pressure regulator - has input regulator built into main regulator nozzle locking screw passage
Inventor: GOTTFRIED JOSEF DIPL ING
IPC: G05D16/06
Filed: 1991-10-14
Abstract: An input regulator (1) is added to a main gas pressure regulator (2) without altering the length of the latter. The input regulator is placed in a passage (3) for the main regulator (4) nozzle locking screw. Inside the passage the input regulator is divided into a diaphragm (5) and a nozzle (6) and an inlet pressure passage (7) enters at a point between these two parts. The pressure pulses to the input regulator diaphragm are taken from the space (8) between the input and main regulator nozzles through a port (9) in the diaphragm valve rod (10). Pref. an emergency stop valve (12) is connected between the input regulator and the main regulator inlet connection (11). USE/ADVANTAGE - Input regulator is compact, does not increase main regulator size and can be retrofitted.
Patent DE-4134168-A1 (DE)
Title: New anionophoric antibiotics obtd. from Streptomyces auriantiacus IMET 43917 - effective against viruses, Gram positive bacteria and fungi
Inventor: GRAEFE UDO PROF DR
IPC: C07D307/16
Filed: 1991-10-16
Abstract: Antibiotic IMET 4570 of formula (I) and its derivs. are new, where the derivs. include cpds. where (a) the COOH gp. is esterified or converted to an acid halide, amide, hydroxamate or salt, (b) the OH gp. is esterified, halogenated or etherified, or (C) the NMe2 gp. is converted to an acid-addn. or quat. ammonium gp. USE - (I) is active against viruses (no details given), Gram-positive bacteria (e.g. Bacillus subtilis ATCC 6633) and certain fungi (esp. phytopathogenic fungi; no details given). It is an anionophore and may be used to prepare other pharmaceuticals.
Patent DE-4200433-A1 (DE)
Inventor: HOFSTETTER OTTO
IPC: A61Q13/00
Filed: 1992-01-10
Abstract: The invention concerns a method of preparing homogeneous mixtures from liquid and/or solid perfume materials by mixing the constituents and blending the mixture, a binary or ternary liquid eutectic mixture being formed at room temperatrue from: a) solid 6-acetyl-1,1,3,4,4,6-hexamethyltetrahydronaphthalene; b)  alpha -(n-hexyl)cinammaldehyde in solid or oil form; c) p-(t-butyl)- alpha -methylhydrocinammaldehyde oil; d) solid p-methoxyacetophenone and e) solid benzyl o-hydroxybenzoate. With binary mixtures, the mixture contains 10-90 % of the individual substances, with ternary mixtures 10-70 %, other liquid or solid products usually used being incorporated in this mixture at the same time or in any order, irrespective of the mixture concerned or the chemical or physical nature of the substances in the mixture. The invention also concerns the binary and tertiary eutectic mixtures thus prepared.