baber/WOPTO huggingface dataset:
Patent DE-2939385-A1 (DE)
Title: Centrifugal blower for car heating - has impeller with central entry on one side and openings, giving cooling air flow over motor, on other
Inventor: WITZEL KARLHEINZ
IPC: F04D25/08
Filed: 1979-09-28
Abstract: The centrifugal blower is particularly intended for the heating or air-conditioning installation in a motor vehicle. It comprises a housing (7) with central air entry opening (13) at the front and a motor (6) to drive the impeller (15) mounted in the rear housing wall (5). The one-piece impeller comprises a hub (11) and blades (9) connected by an impeller disc (1) provided with openings (2). These openings, together with further openings (3,4) arranged in the rear wall (5) and/or the motor, are dimensioned to provide an adequate flow of cooling air over the motor.
Patent DE-2948429-A1 (DE)
Title: Two stage variable friction drive transmission - has spindle operated swing arm to change drive ratio by altering effective contact radius
Inventor: TIPPMANN HEINRICH ING GRAD
IPC: F16H15/16
Filed: 1979-12-01
Abstract: A stepless variable gearbox includes a friction drive (8') on one side, and a spur gear set on the other side. An intermittent shaft, located between the drive taper and the fixed spur gear shaft, is located on a hinged arm (9'). An adjuster spindle (7) with an external hand wheel engages the free end of the hinged arm (9'). To change the transmission ratio of the gearbox, the spindle rotation moves the friction drive disc (8') across the friction taper, thus varying the acting drive radius between the two friction elements.
Patent DE-2953788-A1 (DE)
Title: Swarf removing conveyor for machine tool - has curved frame members which form chain guides
Inventor: VANDEN AKKER GIJSBERTUS
IPC: B65G23/22
Filed: 1979-11-12
Abstract: The conveyor for removing the swarf produced by a machine tool consists of an endless chain with hinged plates mounted on the chain links. The frame supporting the conveyor has a lower horizontal section (A) and an upper horizontal section (C) joined by a sloping section (B). A motor (M) is mounted in the section (C) and a turn round sprocket (37) is fitted at the end U of the lower section (A). The chain rollers (14,15) run in channels formed in the outer edges (21,22) of a U section member (11) which forms the base of the conveyor frame. This U section member is bent to a circular arc concentric with the turn round sprocket (37). This utilisation of the frame structural members as chain guide members produces a compact conveyor design.
Patent DE-3009235-A1 (DE)
Title: Dielectric hydrophobic resin for display electroluminescent powder - comprises condensation prod. of polyacrylic acid with p-amino:benzonitrile
Inventor: KUTTY T R N DR
IPC: H01G4/18
Filed: 1980-03-11
Abstract: A highly dielectric, hydrophobic resin for embedding electroluminescent powders for displays comprises a condensn. prod. of polyacrylic acid with p-aminobenzonitrile of formula (I). (where X is -NH-p-Ph-CN). (I) is used in AC Destriau type electroluminescent displays. (I) has a high dielectric constant of 20 reducing the voltage required during use and is hydrophobic so that drying of moisture, which causes degradation by electrolysis in use, is not required (I) is soluble in organic solvents and can be used, dissolved in THF or DMF as a spray lacquer for luminescent and other electrical condensors.
Patent DE-3015151-A1 (DE)
Title: Mine gallery junction arched support - has branch galleries segment arches fastened to stiffening beam between intersections
Inventor: SCHOEBEL BERND
IPC: E21D11/36
Filed: 1980-04-19
Abstract: The profile segment arches make up a support system in a bifurcation in a gallery, with sectors converging at an acute angle in a mine. The arched beam runs from the ridge-side intersection (8) of the vertical centre longitudinal planes (5-7) of the main gallery (1) and similarly cross-sectioned branch galleries (3,4) as a spine-type stiffening bar (14) along the sheath-side line (10) of the converging branch galleries, to the intersection of the adjacent floor longitudinal edges (9,10) of these. The segment arches (12) of these galleries, between intersections, are fastened to the bar. No further excavation beyond the required gallery cross-section is needed, and work is reduced.
Patent DE-3018216-A1 (DE)
Inventor: ERNST HANS
IPC: A47B9/14
Filed: 1980-05-13
Abstract: The work table, in particular a desk, has a table top (4) and side cheeks (1) bearing it. In order that the height of the work surface of the table top (4) can easily be adapted to the body size of the person working at it, it is proposed to mount the table top (4) on the side cheeks (1) so that it can be adjusted in height. <IMAGE>
Patent DE-3041716-A1 (DE)
Title: Wedge clamp for scaffolding or shuttering - has one jaw with U=shaped top dimensioned to accommodate entire width of second jaw
Inventor: LAYHER EBERHARD
IPC: B25B5/08
Filed: 1980-11-05
Abstract: The clamp consists of a jaw (2) with its top part (21) bent in U-shape, dimensioned to take up the entire width of the clamp including the second jaw (3). The second jaw (3) has an extension (31) on its upper part fitting with the inner part of the U-shaped part (21) of jaw (2). The extension is rounded off in such a way that the jaw (3) can be swung in outward direction. Both jaws (2,3) have rectangular holes (23,35) in which wedge (4) is fitted in an undetachable manner. The leg of the U-shaped part (21) has a rectangular opening (26) into which a tongue (36) reaches which is fitted to the upper end of jaw (3).
Patent DE-3047278-A1 (DE)
Title: Moving stationery form sets etc. from storage compartment - by two pairs of transfer rollers driven via one-way couplings and tooth belt
Inventor: ECKHARDT FRIEDHELM
IPC: B65H3/06
Filed: 1980-12-16
Abstract: The mechanism is intended for moving individual sets of perforated forms or letter covers or the like from a storage compartment (11). It comprises two transfer rollers (1,1a) driven by a shaft (3) via a toothed belt (5) which shaft is stopped as soon as the individual form is taken over by transport rollers . The rollers (1,1a) are carried on a shaft (6) (rotatably carried (7) on a non-rotatable shaft (8)) which is driven (4,18) by the belt (5) and arranged at a point where the forms in the compartment are separated. The drive shaft (3) carries two further transfer rollers (2,2a) which are also in contact with the uppermost form. All transfer rollers (1,1a,2,2a) are freely rotatable when the drive shaft.
Patent DE-3050985-A1 (DE)
Title: PCB mask laser forming unit - provides modulated write beam scanning medium together with reference laser beam, improving resolution (NL 26.11.80)
IPC: G06K15/12
Filed: 1980-05-23
Abstract: Improved accuracy and resolution of etching mask for printed circuits are achieved with the aid of a laser beam modulated by signals derived from computer stored data. The modulated beam scans the mask medium together with a reference beam. Linearity errors and other distortions are compensated for by the control circuit. The unit has a massive table with granite plate exhibiting a highly polished top and a group of slides holding the working medium. The table mounts the laser unit producing the write beam and the scanning unit with the assembly guided by air bearing of the guide bars. The beam of the reference laser impinges on the reference mask which comprises an opaque and a transparent strip section in alternate order. Synchronisation signals are derived for correct spatial location of the reference laser beam with actuating cylinders providing the drive of slides.
Patent DE-3102304-A1 (DE)
Title: Stereoselective preparation of beta -isopropylnaphthalene
Inventor: OLAH GEORGE ANDREW
IPC: C07C2/70
Filed: 1981-01-24
Abstract: Process for the preparation of  beta -isopropylnaphthalene with high stereoselectivity (90 to 98 %) by alkylation of naphthalene on superacidic solid or supported catalysts, such as a perfluorinated C4-C18-alkanesulphonic acid or a perfluorinated sulphone resin. The subsequent isomerisation of isopropylnaphthalene isomer mixtures to give preferably pure  beta -isopropylnaphthalene can likewise be achieved.
Patent DE-3102591-A1 (DE)
Title: Sound-proofing embankment
Inventor: COENRADIE ADRIANUS
IPC: E01F8/02
Filed: 1981-01-27
Abstract: In a sound-proofing embankment consisting at least partially of earth, at least one building, for example a dwelling or a garage, is accommodated, so that the ground area required for the embankment is utilised as building ground. <IMAGE>
Patent DE-3104619-A1 (DE)
Title: Continuously variable gearbox controlled as a function of load, for internal combustion engines
Inventor: KUPFER EDUARD
IPC: F16H3/74
Filed: 1981-02-10
Abstract: Continuously variable gearbox controlled as a function of load, for internal combustion engines, with the following principle of operation: lever: driving bevel gear Z = power arm, power-transmitting bevel gear Z1-Z2 abutment, driven bevel gear Z3 work arm; and the following conditions of operation: uniformity in the direction of rotation of the driving gear Z and the driven gear Z3, produced by laterally reversed arrangement of the driving gear Z with respect to the power-transmitting gear Z1-Z2. Ratio of the driving to the power-transmitting gear = 1 : 1; and with the following function: the transmission ratio, which can be selected by means of the construction of the gearbox, can be overridden spatially by the power-transmitting gear by virtue of its construction and, in terms of value, by virtue of its 1 : 1 ratio with respect to the driving gear and its mounting in two planes. Its radial rotation gives a ratio of 1 : 1 between E and A. Its axial rotation gives a ratio of Z : Z3 between E and A. The radial rotation can be influenced with rotation in the same direction since Z and Z3 rotate in the same direction, in a neutral manner via Z since it is in a 1 : 1 ratio with the power-transmitting gear, and in a variable manner by Z3 since the operative ratio is Z : Z3, taking into account that radial + axial = E. Since a relief of the load on Z3 means a reduction loading of Z3 and means an increase in power transmission, load-dependent control is obtained. Equilibrium between power arm and work arm of the lever. <IMAGE>
Patent DE-3104793-A1 (DE)
Title: Rubber mixture for the covering of steel cord
Inventor: KLEEMANN WERNER DR
IPC: C08J5/10
Filed: 1981-02-11
Abstract: The invention relates to a rubber mixture (blend) for the covering of steel cord, in particular for the production of pneumatic tyres for vehicles containing steel cord as reinforcing material. The object of the invention is to achieve improved rubber/metal adhesion, and thus avoid premature failure of the tyres due to separation. According to the invention, the rubber mixture for the covering contains highly disperse, active silica in combination with hexachloroparaxylene and zinc oxide.
Patent DE-3107222-A1 (DE)
Title: Door for domestic appliances with base which can be adapted to kitchen furniture
Inventor: WITTE DIETMAR ING GRAD
IPC: A47L15/42
Filed: 1981-02-26
Abstract: In the case of this door, it is possible to adapt the base height, which is determined by the lower edge of the door, to the base of the kitchen furniture, without an additional adjustable screening base, which is separated by means of a joint, being necessary below the door. To this end, the door has an inside door (1), an inside door extension (2) which can be mounted at the bottom and can be shortened, and an adjustable fastening device (11, 12) between the said door parts. Furthermore, the door parts, which are partially enclosed by means of frames (6, 10), accommodate for their own reinforcement filling pieces (3, 17) which are composed of one or more parts, are held against the inner door parts via the fastening device and on which there is supported a front screen or a decorative plate (4) arranged for this purpose. A decorative frame (5), which can be shortened, surrounds the outside edges of the door parts. <IMAGE>
Patent DE-3107852-A1 (DE)
Inventor: BUERGE THEODOR DIPL CHEM
IPC: C08L61/28
Filed: 1981-03-02
Abstract: Highly concentrated aqueous solutions of low viscosity of melamine/aldehyde resins are obtained by reacting to a precondensate in a first step melamine and an aldehyde in an alkaline medium and in the presence of water together with at least one compound (I), selected from the group, consisting of an alkali sulfite, an alkaline earth sulfite, an amino sulfonic acid, an amino carboxylic acid, a hydroxycarboxylic acid, a hydroxycarboxylic acid lactone, and a polyhydroxy carboxylic acid lactone, reacting then the thus obtained mixture in a second step with at least one compound (II), selected from the group, consisting of an amino carboxylic acid, a carboxylic acid, a hydroxy carboxylic acid, a hydroxy carboxylic acid lactone, a sulfamic acid, an amino sulfonic acid, a polyhydroxy carboxylic acid and a polyhydroxy carboxylic acid lactone, and then making alkaline the obtained resin solution by adding at least one basic compound (III). The resin solutions prepared according to this invention may be used as added substances for improving the quality of building materials containing inorganic binders.
Patent DE-3108451-A1 (DE)
Title: Transformer station
Inventor: PETERSEN JOHN
IPC: H02B1/56
Filed: 1981-03-06
Abstract: A transformer station having a low-voltage section and a high-voltage section (2), where the high-voltage section (2) is arranged in a separate chamber, devices which control heat radiation and allow heat radiation to pass being provided for transmission of a part of the heat radiation (which is emitted by the transformer station (1) as losses) from the transformer station to the high-voltage chamber. When the air temperature in the high-voltage chamber is raised, there is a risk of water condensation forming on the high-voltage elements since, because of their thermal inertia, the high-voltage elements are at a temperature which is lower than the stated air temperature. According to the invention, the devices through which heat can pass are one or more layers of radiation-absorbent material in the wall (3) of the high-voltage chamber, the absorbed heat being passed through strips on a heat-conductive base frame (4) on which separate high-voltage elements (5) are mounted. The surface temperature of the lowest part of the insulation is thus always higher than the air temperature in the high-voltage chamber. Water condensation is thus impossible in practice, even if the relative humidity in the high-voltage space were to become very high. <IMAGE>
Patent DE-3109650-A1 (DE)
Title: Series circuit consisting of an inductive load and the anode-cathode paths of a normally non-conducting field-effect transistor
Inventor: KRAUTER IMMANUEL DIPL ING
IPC: H03K17/695
Filed: 1981-03-13
Abstract: In this circuit, the inductive load (1) is preferably formed by the primary winding (2) belonging to the ignition coil (3) of a motor vehicle and, furthermore, the anode (4) of the field-effect transistor is connected to the inductive load (1) and, finally, at least one Zener diode (20) is connected as overvoltage protection between the anode (4) and the associated gate electrode (7) at the field-effect transistor (6). In the present case, the Zener diode (20) is connected in series with a blocking diode (21) in order to prevent a current flow via the Zener diode (20) into the anode (4) and a change in potential, occurring as a function of this, at the anode (4) and the gate electrode (7) of the transistor (6). <IMAGE>
Patent DE-3109965-A1 (DE)
Title: Method of producing a body made from panels of derived timber product, and panel of derived timber product
Inventor: LEHBRINK WILHELM
IPC: B27F1/00
Filed: 1981-03-14
Abstract: In a method of producing a body of surface-coated panels of derived timber product by folding over coated panel strips, a trough-shaped groove (14) being made which extends up to the inside of the coating and the deepest point of which forms a plane (16), the width of which corresponds to at least the thickness of the coating (15), to which a solvent-based adhesive (19) is applied which holds the panel strips together in parallel before and during the folding-over, a further V-shaped groove (17) on one side is made on the outside of the coating (15). The point (corner) of the V-shaped groove (17) is directed towards a side of the trough-shaped groove (14) and forms a predetermined breaking point, the projecting part (x) of which can be reworked after the folding-over. <IMAGE>
Patent DE-3113641-A1 (DE)
Title: Device for transmitting heat or cold to a carrier flowing through the device
Inventor: HOELER HEINZ ING GRAD
IPC: F28F3/12
Filed: 1981-04-04
Abstract: The invention relates to a device for transmitting heat or cold to a carrier flowing through the device, preferably for use as ceiling, floor and/or wall heating, which has a large number of longitudinal channels. The aim of the invention is to provide a device of the abovementioned type, which makes possible in a simple manner an installation for the purpose of heating or cooling rooms, without structural changes or additional construction having to be carried out on the existing ceiling or wall construction. This is achieved in that the device consists of a rollable, thin-walled web (1), the longitudinal channels (2) of which are connected to transverse channels which are present in edge profiles (7) fastened in a tight manner on the transverse sides of the web (1), the longitudinal and transverse channels (2) being dimensioned in such a manner that a uniform flowthrough with a specific liquid volume of less than 1 l/m<2> takes place. Over the length of the web (1), one or more transverse channels (3) interrupting the longitudinal channels (2) are provided. On the longitudinal sides of the web (1), there are projections (4, 5), the heights of which correspond to approximately half the height of the web (1) and are arranged offset in height by this dimension in relation to one another.
Patent DE-3113888-A1 (DE)
Title: Floor heating system
Inventor: TRENCIANSKY PETER ING GRAD
IPC: F24D3/14
Filed: 1981-04-07
Abstract: In a floor heating system consisting of a screed in which heating pipes or the like are embedded and of an insulating layer applied to the floor side, a composite sheet is arranged between the insulating layer and the screed, said composite sheet, seen from the screed, having the following layers: polyethylene (PE) sheet, polyurethane adhesive, polyester (PTTE) sheet, underside vapour-coated with aluminium, polyurethane adhesive, polyethylene (PE) sheet. To prevent this sheet or its Al coating being damaged by moisture or alkalis, it is provided that in the case of each sheet web (1), the polyethylene (PE) sheets (2, 7) are arranged projecting at the lateral edges (10) by at least one millimetre, in particular by two millimetres, beyond the polyester sheet (4) vapour-coated with Al on its underside and these projecting sheet edges (10) are bonded directly to one another, for example by polyurethane adhesive (3, 6). <IMAGE>
Patent DE-3115188-A1 (DE)
Title: Furniture hinge
Inventor: SCHMID GUENTER
IPC: E05D5/08
Filed: 1981-04-15
Abstract: The invention relates to a furniture hinge with two hinge parts to be attached respectively to a furniture body and to a door, flap or the like. These are connected to one another in an articulated manner via hinge links. The hinge part assigned to the door is designed as a bowl part and comprises a hinge bowl to be embedded in a recess of the door. On the outer circumference of the hinge bowl (12), there is mounted movably in the radial direction, at least at one fastening point, a cutting body (24) which is circumferentially free and is designed in the manner of a knife edge and through which an eccentric extension (30) of an eccentric pin (26), arranged rotatably on the head part (12), engages parallel to the bowl axis. The eccentric pin (26) is accessible from the side facing away from the bowl bottom (31) and can be rotated in such a way that the cutting body (24), in an effective position adjustable by means of the eccentric pin (26), projects radially outwards. <IMAGE>
Patent DE-3115390-A1 (DE)
Title: Safety locking device for prams/pushchairs
Inventor: KREUTZER HORST
IPC: B62B7/08
Filed: 1981-04-16
Abstract: The invention relates to a safety locking device for fixing both sides of the wheel frame, which is provided with a slide (6) and can be folded up in the manner of scissors, of a pram/pushchair. Coupled to the stay (3) of the wheel frame is a two-armed pivoted lever (17) which, in the position of use, supports by its bent portion (23) the free end (13) of the slide (6), the free end (13) bearing against a lateral journal (14) of the stay (3) and thus being locked. The pivoted lever (17), which is under the effect of a spring (28), is rigidly connected by an operating bar (18) to the correspondingly designed pivoted lever on the other side of the wheel frame. In the position of use, the operating bar (18) lies underneath the base of the pram/pushchair superstructure or bears against the latter, so that the locking means can be released only after removing the pram/pushchair superstructure by the pivoting-up, which is then possible, of the operating bar (18). When the pram/pushchair superstructure is placed on the wheel frame, an intentional or unintentional release of the locking means is excluded, which results in a high degree of safety. <IMAGE>
Patent DE-3115433-A1 (DE)
Title: Measuring device for magneto-optical current measurement
Inventor: BRINKMEYER ERNST DR
IPC: G01R15/24
Filed: 1981-04-16
Abstract: A measuring device for magneto-optical current measurement by means of a monomode fibre twisted around the longitudinal fibre axis and guided in parallel turns around the conductor to be measured, linearly polarised light being radiated into the fibre. The light radiated into the fibre (3) at the fibre end is reflected back into the fibre (3) and detected at the fibre start and the twisting of the fibre (3) is such that the light emerging at the fibre end is approximately linearly polarised when there is no current flowing through the conductor. <IMAGE>
Patent DE-3115443-A1 (DE)
Title: Fully lined disc brake which is equipped with mechanical application, is arranged in the drive train and has a brake housing which is open to the outside and a hydraulic or pneumatic actuating device, in particular for motor vehicles
Inventor: KLAUE HERMANN DR ING
IPC: F16D65/22
Filed: 1981-04-16
Abstract: The invention relates to fully lined disc brakes with a brake housing which is open to the outside, with mechanical application and a hydraulic or pneumatic actuating device lying outside the housing, and has the object of improving the application efficiency and of facilitating installation and removal as well as the exchange of the wearing parts. For this purpose, the brake has an application device composed of three rings, the central ring being connected on one side via oblique tracks and actuating rolling members to an outer ring, likewise equipped with oblique tracks, and, on the opposite side, via smooth tracks and supporting rolling members to the other outer ring of the application device. For the application of the brake, the central ring has a toothed sector which projects sufficiently far beyond the outer contour of the brake that axial pulling-off can take place without dismantling the actuating device seated on the outside.   <IMAGE>
Patent DE-3118767-A1 (DE)
Title: Method for low-error bearing angle determination
Inventor: DENKER RUDOLF
IPC: G01S3/14
Filed: 1981-05-12
Abstract: According to the invention, the bearing angle indications obtained by individual bearings taken are evaluated, taking into consideration at the same time any interference occurring, these and the individual bearing angle indications are accumulated in the memory (6, 7) and are checked by an arithmetic and logic unit (9) for reliability of the angle indication. The bearing angle indications identified as unreliable are not supplied to the bearing analysis (13) for averaging and cannot thus influence the bearing angle indicated at (14). <IMAGE>