baber/WOPTO huggingface dataset:
Patent DE-3033719-A1 (DE)
Title: Transistor exclusive-OR circuit - has initial stage with parallel transistor paths and output stage with two series transistors
Inventor: MERKLE PAUL
IPC: H03K19/21
Filed: 1980-09-08
Abstract: The circuit has two parallel main paths (c,d) each incorporating a transistor (1,2), both coupled to an output line (e) incorporating two transistors (3,4) one after the other. Each of the two signal inputs (E1,E2) controls one of the transistors in a respective parallel main path (c,d) as well as one of the transistors in the output line (e). Pref. each main path (c,d) uses a similar transistor with its collector coupled to the voltage supply line (a) via a respective resistor (5,6) and its emitter coupled to the output line (e). The latter has two further similar transistors with their collector/emitter paths in series between the signal output (A) and the earth line (b).
Patent DE-3036636-A1 (DE)
Title: Withdrawing high salt ion concn. liq. from evaporator - after transfer into adjacent vessel at same level
Inventor: WERNER KURT
IPC: B01D1/00
Filed: 1980-09-29
Abstract: Liq. with high concn. of salt ions produced in a vessel contg. a heat exchanger and forming pure vapour from the liq. contents is drawn off at a level close below the liq. surface, pref. from a neighbouring vessel into which the liq. passes from the first vessel, the levels in both vessels being the same. Withdrawal can be intermittent, controlled by electrical conductivity measured near the liq. surface, or by variation in the liq. level. De-mineralised feed water is supplied to replace the drain-off liq. Also claimed is the appts., with the tube bundle heat exchanger deep enough below the ion- enriched surface layers to avoid excessive corrosion. Since the second vessel contains no heat exchanger producing convection circulation. liq. therein is less mobile and salt- ion concns. near the surface are more stable.
Patent DE-3042543-A1 (DE)
Inventor: ANDREASSON LENNART
IPC: B24B45/00
Filed: 1980-11-12
Abstract: A grinding wheel (11) is arranged fixedly on a revolving shaft (10). Two balancing masses (8, 8a), which are located essentially in the plane of the grinding wheel (11) to be balanced, are rotatably mounted in an annular cutout (2) of an annular receiving body (1) which is arranged radially between a shaft nose and a rotor-receiving means (12-13). In order to avoid weakenings in the revolving shaft (10) in the region of the shaft nose, the balancing masses (8, 8a) are designed as semicircle segments arranged axially one beside the other. The semicircle segments can rotate by means of actuating members (16, 16a) which are arranged diametrically opposite each other in bores (3, 3a) of the receiving body (1) and parallel to the revolving shaft (10). As a result, the apparatus requires little space in the radial direction and can be subsequently installed, without difficulty, in existing machines. <IMAGE>
Patent DE-3042923-A1 (DE)
Title: Clamping arrangement for spacecraft solar panels - using cables for holding down and sprung bands for panel deployment
Inventor: ROTH MARTIN
IPC: B64G1/44
Filed: 1980-11-14
Abstract: A clamping arrangement for spacecraft solar generators, makes optimal use of the stiffness of its material both for clamping during launch and delivery and for the solar panel deployment phase. Two separate elements are used for clamping the panels (11) down and for deployment. Cables (13,14) provide sufficient rigidity for holding down the panels. Spring bands (9,10) connected without tension to the cables are used during the unfolding process. The cables pass through loops attached to the spring bands which unfold inwards. The cables are placed so as to take up the necessary tensional force fully without passing it into the parallel bands. The arrangement results in a wt. saving.
Patent DE-3048332-A1 (DE)
Title: Open or closed door frames - are made of light metal sections and have disc-like corner pieces of different shapes held by corner connectors
Inventor: BRINKMANN ULRICH ING GRAD
IPC: F16B12/30
Filed: 1980-12-20
Abstract: The frame sections which meet at the corner of the frame are inclined corresponding to half the corner angle while a disc-like corner piece (6) which is made of the same extruded light metal section is inserted between two adjoining frame sections (5). The corner connectors (7) which are mounted inside the frame sections can pass through to connect the two frame sections together. The external (10) and/or internal faces of the corner pieces can be rounded or made in a different shape whilst allowing the same corner connectors to be used.
Patent DE-3103062-A1 (DE)
Title: Motor-vehicle roof
Inventor: PFEIFFER PETER
IPC: B60J7/16
Filed: 1981-01-30
Abstract: In the case of a motor-vehicle roof having, seen in the longitudinal section, a convex roof progression, an inherently rigid subregion of the roof can be pivoted about an axis, the pivot axis lying on the front transverse edge of the subregion. In order to obtain the lowest possible air-resistance value, the rear roof region of the motor-vehicle roof is designed to slope to the rear. In order to increase the headroom of the pivotable roof region (3), if the need arises, in particular when the back seats are occupied by people of above-average body size, while maintaining the favourable air-resistance value, it is provided that the pivot axis (4) of the roof region (3), when seen in the direction of travel, is arranged to the rear of the highest point (2) of the roof curvature, the pivoted-up roof region (3) not projecting beyond the highest point (2) of the normal roof curvature. <IMAGE>
Patent DE-3118985-A1 (DE)
IPC: B65D1/32
Filed: 1981-05-13
Abstract: 1. A container (1) for liquids, having a container bottom (1') which in the position ready for emptying forms a base perpendicular to which the actuation of bellows is directed for the purpose of emptying through a mouthpiece opening (6) from which extends an emptying tube (15) reaching down to the container bottom (1'), characterized in that two container sidewalls (3) lying opposite one another and the crosswall (7) lying opposite the mouthpiece opening (6) form a bellows (B) which in the region of the sidewalls (3) diverges in the shape of a V in the direction of the crosswall (7).
Patent DE-3124824-A1 (DE)
Title: Tube
Inventor: ARAUNER ALFRED ING GRAD
IPC: A61N5/10
Filed: 1981-06-24
Abstract: The invention relates to a tube for use in medical radiation therapy with several mutually adjustable wall elements (5 to 18) surrounding the radiation field and with a baseplate (24) carrying the wall elements. In tubes the aim is to mount the individual wall elements so as to be adjustable relative to one another in such a way that as many different radiation fields as possible can be irradiated therewith. For this purpose, the invention provides that the wall elements carry a round longitudinal groove (34, 35) on one long side adjoining the adjacent wall element and a profiled bead (36, 37) fitting into the longitudinal groove on the other long side adjoining the other adjacent wall element and be adjustable on the baseplate (24). In addition, a recess (42) may be provided in the region of each longitudinal groove (34, 35) to which is allocated another recess at the correct height in the region of the profiled bead (36, 37) on the opposite side, and an insertion piece (45) insertable into the recess (42) can be fastened on each wall element. A tube according to the invention is suitable for use in radiation therapy. <IMAGE>
Patent DE-3124898-A1 (DE)
Title: Apparatus for transporting pallets
Inventor: KUBIK JIRI
IPC: B65G17/00
Filed: 1981-06-25
Abstract: The invention relates to an apparatus for the transportation of pallets from a loading area to a removal area on a transport track, and back to the loading area on a return track lying below the transport track. The apparatus has two chains circulating parallel to each other and at a distance apart. At the end of each track, the pallets are transferred to the other track via guides arranged in the region of the mutually facing ends of the tracks. In order to ensure that pallets can be transferred from the transport track to the return track or from the return track to the transport track without these tilting, together with their guides, in the apparatus or on the chains, or being subjected to increased frictional forces, and at the same time to ensure that locking of the apparatus by simultaneous transfer of a plurality of pallets into the region of the guides situated between the respective track ends is impossible, it is proposed that entraining discs (16) to receive pallets (32) be arranged in the region of the guides (41). <IMAGE>
Patent DE-3126549-A1 (DE)
IPC: C08F265/06
Filed: 1981-07-04
Abstract: 1. A process for preparing stable dispersions of cellulose esters in water, characterized in that a mixture comprising a water-soluble resin of the group consisting of polyester resins, acrylic resins and alkyd resins and alpha, beta-ethylenically unsaturated monomers of the group consisting of (A) esters of an alpha, beta-ethylenically unsaturated carboxylic acid with an alcohol containing from 1 to 8 carbon atoms, (B) esters of acrylic acid and methacrylic acid containing hydroxyl groups in the ester moiety, (C) vinyl monomers containing further functional groups capable of cross-linking in addition to a polymerizable double bond, and (D) further copolymerizable monomers not belonging to said groups (A) to (C), the total amount of the components (A) to (D) being 100% by weight, is polymerized in the presence of the dissolved cellulose esters from the group consisting of cellulose acetopropionates and cellulose acetobutyrates, the cellulose ester contents, based on the total of solids in the dispersion, being from 5 and 40%.
Patent DE-3130532-A1 (DE)
Title: Device for monitoring the efficient operation of furnace installations
Inventor: KUMMER KLAUS
IPC: F23N5/02
Filed: 1981-08-01
Abstract: The invention relates to a device, by means of which it can be indicated by an optical and/or acoustic signal when a furnace installation for liquid, solid or gaseous fuels begins to work uneconomically. Furthermore, by means of the device, it is possible to switch off the furnace installation automatically, as soon as it begins to work uneconomically. The working point, at which the uneconomicalness of the operation is to be considered as given, can be set according to the furnace installation in which the device is to be used. The device has the following parts as essential components: a temperature-measuring instrument with a thermal sensor which can be introduced into the monitoring orifice on the exhaust-gas pipe, an indicator device controlled by the temperature-dependent measurement signals emitted by the thermal sensor, for indicating the exhaust-gas temperature, a switching device controllable in dependence on the amplitude value of the measurement signals, for closing the current-supply circuit of an acoustic and/or optical signal device and/or for switching off the furnace installation, and a setting device for determining the response threshold of the switching device in correspondence with the amplitude of the sensor measurement signal when the permissible maximum value of the exhaust-gas temperature is reached.
Patent DE-3131297-A1 (DE)
Title: Gymnastic and exercising apparatus
Inventor: MULLER LESTER C
IPC: A63B22/16
Filed: 1981-08-07
Abstract: The invention relates to a gymnastic and exercising apparatus for general physical training, in particular in the case of functional disturbances of the movement organs and for therapy treatment of the muscles of the foot, lower leg, thigh, pelvis, abdomen, back, arms and shoulders and the associated joints and tendons. The apparatus consists of two pedals which can be actuated independently of one another and are mounted on a base plate in the centre so as to be tiltable about a transverse axis. The apparatus can be used, above all, as a physiotherapy apparatus for carrying out particular sequences of movement. For this purpose, it is constructed in such a way that an independently adjustable braking device is provided for each pedal and an independently adjustable limiting device is provided for adjusting the range of tilting movement of the pedals.
Patent DE-3134053-A1 (DE)
Title: External centring device
Inventor: JANKUS HEINRICH
IPC: B23K37/053
Filed: 1981-08-28
Abstract: The flexible doubled external pipe centring device which can be lengthened as required is used for centring heavy pipe/pipe, pipe/vessel, pipe/bend, pipe/flange, pipe/fitting, pipe/shaped part weld joints which often occur in practice and, for welding technology, have to be centred with low tolerances as in the standards. The flexible doubled external pipe centring device, comprising centring supports with in each case two centring screws integrated in a type of rolling chain, is tensioned from the outside in the form of a ring around the weld joint to be centred. The necessary pretensioning of the chain takes place by means of a tensioning or eccentric lock. For bracing, the tensioning or eccentric lock can be applied at each respectively necessary point over the overall chain length. Relatively low weight simplifies handling and facilitates the frequently occurring centring tasks.
Patent DE-3137687-A1 (DE)
Title: Control valve, in particular for controlling and regulating steam turbines
Inventor: SCHWERDTNER OTTO A VON DIPL IN
IPC: F01D17/10
Filed: 1981-09-22
Abstract: Control valve, in particular for controlling and regulating steam turbines, with a valve element (3) displaceable in a valve guide (7) in the valve housing (1), a valve seat (4) arranged in the valve housing (1), and a diffuser (5) arranged downstream of the valve seat (4). Mounted on the valve guide (7) is a swirl-generating device which surrounds the annular opening formed between the valve element (3) and the valve seat (4) and the free cross-section of flow of which is larger than the narrowest cross-section (f) between the valve seat (4) and the diffuser (5). The swirl-generating device is preferably formed by a guide vane ring, the guide vanes (91) of which are set in a circumferential direction. The swirl-generating device produces a vortex (D), the centrifugal effect of which prevents separation of the flow (S) from the diffuser wall. By means of this stabilisation of the steam flow (S), the alternating forces which excite the valve element (3) to vibration are minimised. <IMAGE>
Patent DE-3141856-A1 (DE)
Title: Apparatus for making bore holes in coal
Inventor: BETTING KLAUS
IPC: E21B10/60
Filed: 1981-10-22
Abstract: The invention relates to an apparatus for making bore holes (48) in coal, for instance for coal-face impregnation or the like, with a boring head (46) which has several nozzles (11) which are connected to a high-pressure water unit (40). So that bore holes (48) of appropriately small diameter can be made in a simple manner and without requiring a lot of equipment, the boring head (46) has a water motor (10) which can be operated by the high-pressure water and the rotating part (18) of which is connected to a head (12) carrying the nozzles (11). The water motor (10) has discharge channels (29) for high-pressure water in such a way that the high-pressure water exerts a torque on the rotating part (18). Furthermore, the boring head (46) has a device for guidance in the bore hole (48) as well as reaction nozzles for maintaining the correct setting of the boring head (46) for boring and is attached to a high-pressure hose (45). <IMAGE>
Patent DE-3148519-A1 (DE)
Title: Process for preventing blockage of equipment by metal sulphides
Inventor: KLEIN GUENTER DR PHIL
IPC: B01D53/14
Filed: 1981-12-08
Abstract: In the processing of cracked gases, which were generated by gasification of solid or liquid fuels with steam and oxygen under pressure and at elevated temperature and which are further processed to form H2-CO synthesis gases or H2-N2 synthesis gases, problems arise due to the blockage of equipment by metal sulphides. The metal sulphides are formed by a reaction of sulphur compounds with metal carbonyls. In particular, it has been found that the metal sulphides arise in the course of the hot regeneration of scrubbing agents which are used for the removal of carbon dioxide, hydrogen sulphide and metal carbonyls from the gas. To avoid metal sulphide deposits in the course of the regeneration of such scrubbing agents, it is proposed according to the invention to provide, for the reaction products within the scrubbing agent, a large surface area in the form of solids which have a large surface area, are inert to the solvent and to the substances dissolved therein and may have been finely ground. Activated carbon, solids impregnated with metal sulphides, activated carbon impregnated with metal sulphides, gasification soot, finely ground metal sulphides themselves, silica or certain organic polymers of large surface area have proved suitable as substances having large surface areas.
Patent DE-3151086-A1 (DE)
Title: Process for the continuous preparation of n-butyraldehyde by selective hydrogenation of crotonaldehyde in liquid phase in the presence of a palladium alumina catalyst
Inventor: FISCHER LOTHAR DR
IPC: B01J23/44
Filed: 1981-12-23
Abstract: For continuous preparation of n-butyraldehyde by selective hydrogenation of crotonaldehyde, the hydrogenation is carried out in liquid phase in the presence of a supported palladium/alumina catalyst containing the palladium in a surface zone of the support particles of 0.05 to 0.2 mm in thickness. The palladium content of this catalyst is 0.1 to 0.6% by weight. The alumina support, at a specific pore volume of 0.4 to 0.6 cm<3>/g, comprises pores having a diameter of > 7.5 nm and an inner surface area of 130 to 160 m<2>/g. The hydrogenation is carried out at absolute pressures of 5 to 50 bar and temperatures of 20 to 100 DEG C. n-Butyraldehyde is obtained in high purity without any troublesome byproducts.
Patent DE-3200421-A1 (DE)
Title: Planetary roller feed for a consumable welding wire
Inventor: AUER RUPERT ING
IPC: B23K9/133
Filed: 1982-01-09
Abstract: The invention relates to a planetary roller feed with at least two feed rollers rotating in staggered relationship relative to the axis of rotation as well as with a bearing part firmly connected to a motor shaft coaxial to the welding wire. In this arrangement, the control of the centrifugal forces, the alternative power or manual setting of the applied pressure of the rollers to the wire which is required in each case, and the modular construction are achieved by the design of the bearing part and the roller holder as a chuck known per se.
Patent DE-3201330-A1 (DE)
Title: Screw closure
Inventor: ZIMMERMANN ANSO DR
IPC: A47J41/00
Filed: 1982-01-18
Abstract: The invention relates to a screw closure, in which an inside part, such as a closure stopper (1), can be rotated relative to an outside part, such as a neck part (2). In order that an intermediate position, such as a pouring position, can be gripped securely, a resistance member is provided on at least one thread, which member initiates an increased resistance to the rotation when the intermediate position has been reached. The resistance member is preferably a thickening in the radial or axial direction which can interact with a thickening on the other part or with an indentation in the other part and which can also be of wedge-shaped design. In this case, the resistance member can be designed to be adjustable such that the force of resistance is removed under appropriate actuation. <IMAGE>
Patent DE-3202852-A1 (DE)
Title: Machine for machining pipes
Inventor: PLENGE ERWIN
IPC: B23B5/16
Filed: 1982-01-29
Abstract: A machine for machining pipes has a centring and clamping part (11, 20) arranged on an abutment (4) and having a frustoconical centring surface. In order to dispense with a chamfering machine, an independent centring part (20) and an independent clamping part (11) are provided in each case. The centring part (20), having a frustoconical centring piece (22) tapering towards the pipe (9) to be machined, can be pivoted from an operative position about an eccentrically arranged pivot pin (17). Allocated to the centring part is a fixing steady (6) with which the pipe can be fixed after the centring. <IMAGE>
Patent DE-3202928-A1 (DE)
IPC: G03B23/02
Filed: 1982-01-29
Abstract: The container for photographs of the same size comprises a housing from which a slide can be pulled out. In the housing there is a spring arrangement which presses the photographs against a viewing window of the housing. The spring arrangement comprises leaf springs which, when the slide is pulled out, are pressed away from the viewing window by control edges moulded to the slide, directly at the start of pulling out of the viewing window, and remain pressed away during further pulling out of the slide.
Patent DE-3203185-A1 (DE)
Title: Process and apparatus for producing an impeller for a radial fan
Inventor: KURSCHEID GERD
IPC: B29D99/00
Filed: 1982-01-30
Abstract: A process for producing an impeller for a radial fan, which comprises a supporting disc, blades protruding axially parallel from the said supporting disc and evenly distributed over the circumference thereof, and an annular disc connecting the ends of the blades, involves inserting an impeller model with terminating disc and blades, but without terminating annular disc, into a container and filling it with wax. Once the wax has hardened, the model is drawn out upwards and an annular groove is made in the bottom, preferably by exchanging the bottom plate, the said groove joining the individual slits to form the blades. Then, the cavities in the wax mould are filled with a liquid, cold-curing plastic. Once the plastic has set, the wax is melted away by heating.
Patent DE-3203758-A1 (DE)
Title: Model for the optical stress analysis and demonstration of mechanical stresses in structural and constructional elements of structures, machines or the like
Inventor: SELLIN HARTMUT PROF
IPC: G09B23/10
Filed: 1982-02-04
Abstract: Models for the optical stress analysis and demonstration of mechanical stresses in structural and constructional elements of structures and machines are to make possible optical stress examinations of prestressed structural and constructional elements, in which case the stresses caused by the load on the one hand and the stresses caused by the prestressing on the other hand can be examined and described individually as well as in their interaction, prestressing and loading being adjustable independently of one another. This is achieved here by a model body, which corresponds in its configuration to the structural or constructional element to be examined and which has at least one channel passing through it for accommodating prestressing elements, in combination with prestressing devices which act on the prestressing-element ends extending out of the model body and are supported on its end faces.
Patent DE-3205154-A1 (DE)
Title: Screen for delimiting office areas or the like
Inventor: GRABENDOERFER PETER
IPC: A47G5/00
Filed: 1982-02-13
Abstract: The invention relates to a screen for delimiting workplaces or the like which is fitted with at least one preferably transparent box element for arranging or storing articles.