baber/WOPTO huggingface dataset:
Patent DE-3029008-A1 (DE)
Title: Solid fuel stove of ceramic components - has interchangeable walls, lining fire chamber and horizontal deflector plates
Inventor: JANOSKE WALTER
IPC: F24B1/06
Filed: 1980-07-31
Abstract: The stove for solid fuel comprises ceramic mould parts, fitted together. It has a baseplate on which box-section components are mounted one above the other, enclosing the ash-collecting and fire chambers, and having guide walls forming a downdraught flue. These components are of rectangular ring section in plan view (1-4), while the fire chamber is lined by interchangeable walls (11,12). The guide walls are separate plates (6,7,19,23,24,25) fitting in grooves (9,10) or joints (20) in the annular components. At least two of them are horizontal, deflecting the combustion gases in succession in horizontal planes in opposite directions.
Patent DE-3032256-A1 (DE)
Inventor: PUSKAS DJORDJE
IPC: H03M1/00
Filed: 1980-08-27
Abstract: Analog-digital converters (11) are used in almost all areas of information processing. Often, the analog electrical measured values (U) to be translated into frequencies (fU) must be amplified by pre-amplifiers before conversion. An equivalent result can be achieved by changing the conversion ratio of the converter (11). For this purpose, the reference frequency (fR), which is derived from an oscillator (1) via frequency dividers (6, 7, 8), is changed, depending on the desired conversion ratio. Interfering alternating components which are superimposed on the analog signal (U) are compensated by averaging the output signals (13) of the converter (11) over the period of the alternating component, e.g. 20 ms corresponding to 50 Hz. A NAND gate (14) allows these output signals (13) to pass into a measured value counter (15) only during this period. It is possible to reset to another time base, e.g. 16.6 ms corresponding to 60 Hz, using a switch (9) or a repluggable jumper. <IMAGE>
Patent DE-3034082-A1 (DE)
Title: Photographic film transportation device - with silicone rubber hose and conical bosses on one of pair of rolls
Inventor: OSEGOWITSCH VIKTOR DIPL ING
IPC: G03D3/13
Filed: 1980-09-10
Abstract: Device to pass a photographic film through a developing machine consists of at least one pair of rolls, one having an elastic surface lining and the other is a smooth back-up roll. The surface lining consists of a basic hose which carries integral flexible elements with a mobility in all directions. These elements are small conical bosses with a height of twice and a spacing of three times their base diameter. Both hose and bosses are preferably made of silicone rubber. This ensures good adhesion of the lining on the roll and a uniform transportation of the film.
Patent DE-3048378-A1 (DE)
Title: Stereo image prodn. system - involves simultaneous projection of adjacently taken negatives onto screen via magnifying lens and lenticular grating
Inventor: DEML REINHOLD DIPL PHYS DR
IPC: G03B35/00
Filed: 1980-12-22
Abstract: The arrangement is intended for producing a stereo image (4,4'). It is observable without a viewing aid, and is produced by projecting (1) a number of two-dimensional photographs of an object, taken from adjacent positions, onto a screen (3) or light-sensitive surface in front of which a lenticular grating (2) is arranged with a predetermined grating width and a number of linear image bands. The negatives are simultaneously projected using a projection system whose light path is optically identical to that used for their initial exposure. A common large-aperture image-forming lens (5) is arranged adjacent to the projection objectives (1) to transform the integral spatial image in transverse and axial direction to obtain the required magnification as observed in the region of the grating (2).
Patent DE-3102076-A1 (DE)
Inventor: DAUBENBUECHEL WERNER DIPL ING
IPC: B29C48/09
Filed: 1981-01-23
Abstract: During the production of a preform of thermoplastic synthetic material by means of extrusion from an extruder head provided with a slot-shaped exit opening, the width of which is changed according to a specific program during the extrusion of the preform in order to change the wall thickness thereof, the wall thickness of at least one section of the preform should be controlled by at least one additional program, which is superposed on at least one portion of the first program, which is longer than the additional program. In this manner, one achieves greater flexibility in respect to fulfilling the requirements of each situation on the programming, namely both in respect to the resolution and in respect to precise determination of the location of the individual switch points, even when a very great number of changes of the slot width must be undertaken over a very short section of the preform or during a very short time period during the extrusion process.
Patent DE-3102387-A1 (DE)
Title: Process for producing synthetic natural gas
Inventor: HACKLER ERICH
IPC: C10L3/08
Filed: 1981-01-24
Abstract: Process for producing synthetic natural gas by reacting methanol with a hydrogen-rich purified coke-oven gas containing about 58% by volume of hydrogen, 7% by volume of carbon monoxide, 3% by volume of carbon dioxide, 26% by volume of methane and 6% by volume of nitrogen. The coke-oven gas is first compressed, then desulphurised and scrubbed. Methanol fed from a tank (8) by means of a pump (9) is vaporised in a heat exchanger (10) and then mixed with the coke-oven gas. The mixture enters a methanation reactor (11), where it is distributed below a fluidised catalyst bed (13) via distributor nozzles (12). The heat of reaction evolved in the fluidised bed (13) during the reaction of the coke-oven gas with the methanol to give methane is removed through an evaporator (14) connected to a steam collecting drum (15). <IMAGE>
Patent DE-3103453-A1 (DE)
Title: Driving aid for vehicles and motor vehicles
Inventor: JUHASZ FERENC DIPL ING
IPC: B66F7/24
Filed: 1981-02-02
Abstract: In order to avoid a relatively large degree of expenditure on towing away, so-called wheel rollers are used if a vehicle has become unroadworthy. Because of their design or because of their shape, these devices are not capable of bearing relatively large loads or of receiving relatively large wheels or twin wheels. In order to avoid this deficiency, a device has been designed which is capable of receiving and bearing high loads and relatively large wheels despite having a low weight itself and external dimensions which are easy to handle. This device is characterised by an enclosed compact frame and by different roller arrangements which give a high supporting force. By means of adjustable supporting bars, the device can be matched to all customary tyre sizes so that the vehicle to be towed away is only made slightly higher and road holding is preserved. The device permits independent driving in specific situations and good steerability of an unroadworthy motor vehicle.
Patent DE-3106033-A1 (DE)
Title: Engine with variable combustion-space volume
Inventor: BECKER ULRICH
IPC: F02B1/04
Filed: 1981-02-19
Abstract: Prior art: in present day engines the size of the combustion-space volume is rigidly fixed. At the same time in the partial load range an additional thermally caused power reduction must be taken into account. At full load increased wear can occur due to "pinking". Solution: reduce the combustion-space volume and install a second piston as follows:   1.0) Extend the cylinder upwards (omit cylinder head) and introduce a movable second piston from above. Valves, spark plugs and injection nozzles are accommodated in the cylinder wall. 2.0) The second piston is movably fitted into the conventional cylinder head. Operating principle:   1.1-2.1) The second piston is adjusted by spring force to the highest compression pressure or combustion pressure, which are independent of the load range. 1.2-2.2) The second piston is adjusted by eccentric or hydraulic pressure to the highest non-load-dependent compression pressure. Achievable advantages: due to the high compression pressure in the partial load range, improved thermal efficiency and reduced pollutant emissions. Overload protection in the full load range due to receding position of the second piston, even in the case of low knock rating of the fuel. O
Patent DE-3108416-A1 (DE)
Title: Hook switch for telephone sets
Inventor: BUETTEL HELMUT
IPC: H04M1/08
Filed: 1981-03-06
Abstract: According to Fig. 1, the hook switch has bistable contact snap springs mounted on one side in a housing through which snap springs a switching slide passes which has indentations at specific intervals into which pre-tensioned tongues which are cut free from the contact springs and aligned against one another engage. Two contact springs and one fixed contact in each case form one changeover switch. The distance between the indentations for one pair of springs is slightly greater than the distance between their mounting positions in the housing. A sequential changeover switch is thus produced. <IMAGE>
Patent DE-3108795-A1 (DE)
Inventor: PORRMANN HERBERT DR
IPC: A22C13/00
Filed: 1981-03-07
Abstract: Disclosed is a tubular casing comprising a fiber-reinforced regenerated cellulose wherein the fiber-reinforcement comprises a fiber web comprising first and second edge regions, parallel to the longitudinal axis, which are overlapped and bonded to form a tube; an impregnation layer of a thermoplastic synthetic resin applied on the entire inwardly-facing surface of the fiber-reinforcement and present in a weight per unit area of less than about 50 g/m2, the impregnation layer comprising the bond for the edge regions; and a regenerated cellulose surface on the outer surface of the fiber-reinforcement. Also disclosed is a process for manufacturing the tubular casing.
Patent DE-3109878-A1 (DE)
Title: Alternating-combustion heating boiler
Inventor: VIESSMANN HANS
IPC: F24H1/46
Filed: 1981-03-14
Abstract: To improve the heat conversion in conjunction with the reduction in the heat losses on alternating-combustion heating boilers, of which the two combustion chambers for solid fuels on the one hand and for oil or gas on the other hand are accommodated in a water-carrying housing, such a boiler is designed, according to the invention, in such a way that transverse ribs (3) are arranged on the underside of the draught floor (1) in the region of the combustion chamber (2) for liquid or gaseous fuels and, adjacent thereto, longitudinal ribs (6) are arranged in the region of the overflow orifice (4) and of the solid-fuel combustion chamber (5), and that the water-carrying walls of the two combustion chambers (3, 5) are made separating in the vertical direction approximately up to the height of the water-carrying draught floor (1). <IMAGE>
Patent DE-3110000-A1 (DE)
Inventor: CHADDA MADAN MOHAN DIPL PHYS
IPC: H01L29/72
Filed: 1981-03-14
Abstract: 1. Semiconductor device of high blocking capacity whose semiconductor body comprises a high resistance centre zone (1) of the one conductivity type, a higher doped contact zone (2) of the same conductivity type adjoining the centre zone (1) and forming a major face and a higher doped planar zone (3) of the other conductivity type forming with the centre zone (1) the other major face, and at least one field defining zone (4) of the other conductivity type surrounding the planar zone in spaced relationship, and being provided with corresponding contact electrodes, characterized in that in a first volume portion (I) of the semiconductor body the centre zone (1) is adjoined by a region (2a) of the contact zone (2) which is made thicker than the remaining region (2b) of the contact zone, that the area extent of the region of greater thickness (2a) is equal to or less than that of the planar zone (3), that in a second volume portion (2) in the other major face of the semiconductor body a recess (5) is formed into which the pn junction (S) existing between the centre zone (1) and the planar zone (3) opens and which extends beyond the field limiting zone (4), that the recess (5) is filled with a passivating substance (7) and that the centre zone (1) in the region (2a) of the contact zone (2) of greater thickness has a width such that the space charge layer in operation of the semiconductor device spreads into the contact zone (2).
Patent DE-3117645-A1 (DE)
Title: Device for the compressed air supply of the compressed air system of rail vehicles
Inventor: SKACH KUNO DIPL ING
IPC: B60T15/48
Filed: 1981-05-05
Abstract: The device for the compressed air supply of the compressed air system of rail tractive units has a compressed air connection from the main air line (9) to the main air tank line (3), into which a stopcock (21) with airdrain (22) and a non-return valve (24) are inserted in series, the airdrain (22) being located on that side of the stopcock (21) facing the non-return valve (24). The stopcock (21) with the airdrain (22) and the non-return valve (24) can be accommodated in a common housing (26). The device ensures that in the case of compressed air supply from the main air line (9) with the stop cock (21) not fully opened, an escape noise indicates incomplete actuation of the stopcock (21) and that with a fully functional compressed air supply system of the rail tractive unit and a closed stopcock (21), leaks cannot cause accidental release of the brake. <IMAGE>
Patent DE-3120309-A1 (DE)
Title: Electronic ergometer
Inventor: SIDORENKO GEORGY IVANOVIC
IPC: A61B5/22
Filed: 1981-05-21
Abstract: The ergometer is fitted to a subject and contains a transducer (6) which converts the oscillations produced during walking, e.g., into signals whose duration is proportional to the amplitudes of the oscillations. After further processing of these signals, the work and the performance of the subject are displayed in a display device (10). An ECG sensor (4) acts on a block (19) for detecting arrythmia, and given the occurrence of arrythmia this block passes a univibrator (20) to generate a signal of specific duration, which has the effect in turn of causing the performance returned by the subject immediately before the occurrence of arrythmia and stored in a register (15) to be displayed. At the same time, an LF multivibrator (11) is driven to emit warning tone signals which indicate that the subject should break off his exercising. <IMAGE>
Patent DE-3121134-A1 (DE)
Title: File
Inventor: SPRINGAUF HEINRICH
IPC: B42F21/02
Filed: 1981-05-27
Abstract: In a file having a plurality of cards and identification areas arranged on one side of the cards and projecting flatly from the latter, provision is made for the width dimensions of the identification areas to be of approximately equal size at the edges and for the identification areas of the individual cards to be in a mutually offset arrangement. As a result, each file card can be inserted at any desired position in the file without identification areas of other file cards situated further behind or below being concealed - seen from the front side or upper side of the stack of file cards. It is thus possible to achieve a permanent overview of all the information contained in the file even in an unsorted state.
Patent DE-3122183-A1 (DE)
Title: Method for operating a high-pressure metal-vapour discharge lamp and a circuit arrangement for carrying out this method
Inventor: GANSER HANS-GUENTER ING GRAD
IPC: H05B41/24
Filed: 1981-06-04
Abstract: In the case of a method for operating a high-pressure metal-vapour discharge lamp having a cyclic (periodic) operating voltage at a constant frequency of more than 500 Hz, the phase of the operating voltage is continuously changed, suddenly, in order to avoid acoustic resonances. <IMAGE>
Patent DE-3122639-A1 (DE)
Title: Conveying device for transferring rod-shaped articles used in the tobacco-processing industry
Inventor: SCHUMACHER PETER
IPC: A24C5/32
Filed: 1981-06-06
Abstract: The invention relates to a conveying device for transferring rod-shaped articles used in the tobacco-processing industry from a first conveying path to a second conveying path, along which paths the articles are conveyed at different speeds in the longitudinal direction of and/or transversely to their axes. The conveying device is composed of a sun-and-planet gear having a satellite carrier (3) which can be driven so that it rotates about a rotational axis (2) and on which there are rotatably mounted a plurality of planet wheels (19) which are at the same distance from the rotational axis (2). Each planet wheel (19) is fixedly connected to a crank mechanism (28), on which there is rotatably mounted a receptacle (31) for the articles which is eccentric with respect to the planet wheel (19). A sun wheel (9) is kinematically connected to the planet wheels (19) so that the latter rotate on the satellite carrier (3) when the latter moves with respect to the sun wheel (9). Cranks (34) are fastened to shafts (23) which are mounted so as to be rotatable concentrically with and relative to the planet wheels (19), the pins (36) of which cranks are mounted so as to rotate in a common holder (38). The said holder (38) is mounted so as to rotate eccentrically with respect to the rotational axis (2) of the satellite carrier (3). The receptacles (31) are connected to the aforementioned shafts (23), so that the alignment of the receptacles (31) remains unchanged during circulation of the satellite carrier (3). <IMAGE>
Patent DE-3123731-A1 (DE)
Inventor: EICKEN KARL DIPL CHEM DR
IPC: C07D249/08
Filed: 1981-06-15
Abstract: Novel chloroacetic acid cyclohexylamides of the formula I    <IMAGE> I  where R1, R2 and R3 have the meanings given in the description, their preparation and their use as herbicides.
Patent DE-3125372-A1 (DE)
Title: New type of system with special stage electrical generators for wind power stations
Inventor: DECKERT PETER
IPC: F03D9/00
Filed: 1981-06-27
Abstract: In the case of water power, the open water wheel was displaced by the closed turbine. Likewise, wind power cannot be utilised economically in open systems. In the case of wind, moreover, the work output is irregular depending on the wind strength. An electrical generator driven by a closed wind turbine from the smallest to the greatest energy output must therefore also be variable. All known automatic control units do not meet this requirement. The invention fulfils these conditions:   1. Two cylinders placed one inside another and rotated in opposite directions each carry one component: pole and armature. The tubes are longitudinally divided into rings, which carry both components. The next ring at any given time is switched in by automatic control. 2. For the greatest wind strengths, armatures of increasing power are additionally loosely seated on an axis. These are switched in in succession by automatic couplings. The patent claims also contain the two abovementioned systems.
Patent DE-3126313-A1 (DE)
Title: Device for precise positioning of a high-shelf stacker
Inventor: HOLWECK PETER DIPL ING
IPC: B66F9/075
Filed: 1981-06-26
Abstract: For precise positioning of the pivoting fork support of a high-shelf stacker (fork-lift truck), each shelf compartment is provided with a code mark having a bar pattern (pattern of lines) for positioning in a first direction and a bar (mark) at right angles thereto which is imaged on a light-emitting diode matrix (7). The matrix is interrogated continuously and the values obtained are stored and compared in a comparator (10) with stored code bar patterns until correspondence with a required bar pattern is found, whereupon coarse positioning takes place. Fine positioning with respect to a specific bar in the pattern is carried out by means of a second comparator (11) and fine positioning is finally carried out by means of a third comparator (12), using the vertical bar in the direction at right angles to the first direction. <IMAGE>
Patent DE-3128120-A1 (DE)
Title: Monomode fibre
IPC: G02B6/02
Filed: 1981-07-16
Abstract: In order to produce a monomode fibre having a relatively high refractive, noncircular core and a cladding surrounding the latter which has a lower refractive index, it is proposed to provide the core with a constriction (waist) in the longitudinal direction.
Patent DE-3128153-A1 (DE)
Title: Fastening element comprising a plastic nail and a plastic dowel
Inventor: FISCHER ARTUR DR
IPC: E04F13/08
Filed: 1981-07-16
Abstract: The invention relates to a fastening element comprising a plastic nail and a plastic dowel which is provided over a part of its length with a slit and has a border, effecting the bracing of the object to be fastened, and an inner bore which receives the nail and passes into a narrowed portion in the region of the expanded part. In order that the fastening element can be mounted in both soft and hard building materials without altering the nail, that part of the nail which expands the dowel has a cross-type cross-section which is formed by four webs and increases from the insertion end. Furthermore, the expanded part of the dowel is provided with inner ribs which are arranged such that, after the nail has been driven into the dowel, two opposite webs of the nail are oriented in the plane of the slit and the other two webs are oriented such that they are offset by 90 DEG  with respect to the plane of the slit.
Patent DE-3128915-A1 (DE)
Title: Device for preheating of the intake pipe of a naturally aspirated internal combustion engine with applied ignition
Inventor: BERRENS JOCHEN DIPL ING
IPC: F02M31/135
Filed: 1981-07-22
Abstract: A device for preheating the intake pipe of a naturally aspirated internal combustion engine with applied ignition has an electrically heated heating surface carrier (10) connected to the intake pipe wall, from which carrier heating surfaces (26, 27, 28), which extend into the intake pipe, proceed in order to increase the total heating surface. The heating surfaces (26, 27, 28) are of basket-shaped design, are composed of a wire mesh and on their edge (at 20 or 21 or 22) have a heat-conducting connection to the heating surface carrier (10). By means of such a design of the above mentioned device the advantages of large heat exchanger surfaces and hence a correspondingly large heat transfer surface are obtained, and in addition, due to the interchangeability and versatile dimensioning of the basket-shaped heating surfaces, an outstanding adaptability of the intake pipe preheating device to the different conditions inside the intake pipe, such as, for example, modified flow conditions, variation of the throttle resistance, etc. <IMAGE>
Patent DE-3131837-A1 (DE)
Title: Apparatus for conveying coal in underground mining operations
Inventor: PAURAT FRIEDRICH WILHELM
IPC: B65G15/44
Filed: 1981-08-12
Abstract: The invention relates to an apparatus for conveying coal and similar material to be conveyed in underground mining operations. In particular, the apparatus is a face conveying apparatus. The basic construction includes a conveyor trough with conveyor-trough base and conveyor-trough side walls, a means of moving the material to be conveyed, and a drive device. The material to be conveyed and the means of moving the material to be conveyed slide over the conveyor-trough base. The means of moving the material to be conveyed is run with a forward strand and a return strand in a revolving manner over deflection devices and is driven by at least one drive drum of the drive device. The conveyor-trough base and/or the conveyor-trough side walls, including any guide passages, are provided with a layer of ice and to this end are equipped with freezing devices. The layer of ice is consolidated by frozen-in plastic molecules cross-linked to form a plastic grid. The means of moving the material to be conveyed is preferably a conveyor net which has net strands transmitting tensile force and a net-section connecting element as well as conveyor-net mesh permitting penetration and/or passage of portions of the material to be conveyed. Additives which are added to the water for freezing the layer of ice and which bring about the described consolidation by a frozen-in plastic grid are specified.