baber/WOPTO huggingface dataset:
Patent DE-2515460-A1 (DE)
Title: DC commutator machine - reduces mfg. costs by using projecting winding bars as commutator segments
Inventor: SCHILD WOLFGANG
IPC: H02K13/08
Filed: 1975-04-09
Abstract: The d.c. commutator machine, with bar winding armature, is designed to reduce the lifetime of the commutating mechanism to be more in line with the usually much shorter lifetime of the rest of the machine (e.g. insulation) and thereby allow the commutating mechanism to have a simpler construction and reduce manufacturing costs. This is achieved by partly using the ends of the bar windings (4, 5) projecting axially from the overhang as commutator segments, rather than having special segments welded or soldered to the bar ends. The led-out bars are seated in axial slots (3) in an insulating hub (2) fixed to the rotor shaft (1).
Patent DE-2536642-A1 (DE)
Title: Magnetic head mount of cassette tape recorder - moves automatically between rest and operating position by restoring force
Inventor: HERLETH KARL
IPC: G11B15/675
Filed: 1975-08-16
Abstract: Magnetic head mount of cassette tape recorder moves automatically between rest and operating position. In the position of rest the mount is controlled by the restoring force. The mount is held by an angular lever, which is directly or indirectly released, when the cassette is inserted. An electromagnet brings the mount into an intermediate position when the magnetic heads are lifted off the magnetic tape. The magnetic heads (1) are bolted to a socket (3) which is fitted to the mount (4). The mount is designed as a plate (4) and provided with guide slots (5) through which stationary studs engage.
Patent DE-2542243-A1 (DE)
Title: Furniture castor with safety brake - having locking key through spindle accessed from inside furniture
Inventor: FELLNER HELMUT
IPC: B60B33/02
Filed: 1975-09-23
Abstract: The furniture castor is fitted under the equipment by a flat plate and has its castor forks swivelled on a ball race. A pivotted locking lever under the plate is swung into the castor lock it. A vertical shaft runs through the hollow spindle and operates the locking lever from inside the equipment. The key operated locking lever, from inside the equipment, provides a child proof lock on furniture items in schools and nurserys. The brakes can only be released by an adult reaching down into the item. The brake is simple to operate and does not require any special tools.
Patent DE-2544145-A1 (DE)
Title: Mobile water container with spray head - has adjustable floor under spring tension to pressure water and obviate mains connection
Inventor: NELL KUNO
IPC: B65D83/00
Filed: 1975-10-02
Abstract: The transportable water container for washing and spraying without water connection has an adjustable floor under tension from a pressure spring, and is fitted with a pressure relief valve (15) to guard against the danger of excess pressure arising during the filling process from a water supply pipe. A hollow rod (3) is fixed to the top surface of the container and tightly penetrates that surface with one of its ends, with the hollow end of the rod having at least one transverse bore (7) located inside the container close to the penetrated surface. The rod is hollow over the whole of its length and has a stoper which ends close to the transverse bore separating the hollow space of the bore from the hollow area (8) adjoining the transverse bore of that end of the rod led through the top surface of the container.
Patent DE-2544645-A1 (DE)
Title: Air injector for automobile engine exhaust afterburner - has secondary injector at end of tube through combustion chamber
Inventor: LEISTRITZ HANS KARL DR
IPC: F01N3/26
Filed: 1975-10-06
Abstract: The engine exhaust (1) is surrounded by an inlet (2), radial tubes (4) from this lead to a preheating chamber (3) in the centre of the exhaust from which openings (5) admit air into the combustion chamber (9). A tube (6) running from the preheating chamber (3) through the combustion chamber takes some of the air into a second preheating chamber (8) which is within the combustion chamber. Openings (16) in the end of this preheating chamber let the air out directly into the combustion chamber.
Patent DE-2555889-A1 (DE)
Title: Machine tool measuring instrument - has interpolation system and has auxiliary zero setting mechanism with positive scale coupling
Inventor: SHRIKANTIAH MUGANAYAKANAKOTE S
IPC: G01B3/02
Filed: 1975-12-11
Abstract: A measuring instrument esp. for use in machine tools has a mechanism to couple an interpolation scale carrier to a measuring scale which moves relative to a slider or a slider which moves relative to a measuring scale. Coupling elements (3,4) are freed by releasing elements (10,16) for initial adjustment of the interpolation scale carrier (9), and so that the slider (7) can be set independently on a full measuring scale mark before the coupling elements are re-engaged. The initial adjustment of the interpolation scale carrier is relative to this scale mark. Pref. the coupling elements are fitted with a manual release mechanism. The measuring scale may be for linear of angular measurements.
Patent DE-2556379-A1 (DE)
Title: Electronic switch with optical coupling unit - includes phototransistors or diodes and operates at potential level higher than their voltages
Inventor: DERMITZAKIS STEFANOS DIPL ING
IPC: H03K17/795
Filed: 1975-12-15
Abstract: A Zener diode (13) in series with a resistor (14) is in parallel with the voltage (U) to be switched. A phototransistor (10) or diode (n series with the base emitter path of a transistor (16) with high reverse voltage rating, is in parallel with the Zener diode (13). Transistor (16) collector circuit controls a further transistor (15) with high reverse voltage rating, in parallel with resistor (14) so that transistor (15) delivers only control current for transistor (16) carrying the load current. The emitter circuit of the reverse-voltage rated transistor is connected through a real resistor (18) with a pair of diode (17) across the base and emitter terminals.
Patent DE-2559172-A1 (DE)
Title: Gas turbine plant with two turbine impellers - has first turbine wheel under-dimensioned and manufactured from ceramic material
Inventor: KRONOGAARD SVEN-OLOF
IPC: F02C3/113
Filed: 1975-12-30
Abstract: The compressor rotor (15) is turned by the turbine impeller (16). The turbine impeller is under dimensioned and incapable of producing the required driving force. A second working turbine impeller (17) produces not only working output (18) but also provides the additional energy required to turn the compressor rotor. The additional energy is transferred to the compressor by a first gear train (19) a free wheel coupling (20) and an infinitely variable gear (21). A second gear train (22) connects the variable gear (21) with the compressor rotor shaft. Variable pitch guide vanes (23) are provided between the two turbine impellers (16,17).
Patent DE-2604693-A1 (DE)
Title: Stringing system for musical instrument - has surface coating of corrosion resistant ferro magnetic material applied to upper strings directly and lower string wrappings
Inventor: ERNEST CHIN FOO
IPC: G10D3/10
Filed: 1976-02-06
Abstract: A stringing system for a stringed musical instrument has the higher strings produced from steel sire. The latter has a surface coating layer of nickel or a surface coating layer of an alloy of ferromagnetic and corrosion resistant nature deposited upon it. The lower note strings are manufactured with a steel case and an iron wire outer web. The iron wire used to produce the outer wrapping for the steel case, has the same surface coating layer of nickel or ferromagnetic corrosion resistant material as is applied to the surface of the upper strings. This arrangement gives fully protected strings having a long useful life.
Patent DE-2608200-A1 (DE)
Title: Traction motor braking system - is effective on mains failure and maintains intermediate converter circuit current flow using switch
Inventor: SCHRAEDER ALFONS DIPL ING
IPC: H02P3/22
Filed: 1976-02-25
Abstract: A method is used for the mains and resistance braking of an asynchronous machine fed through a static converter with an intermediate circuit with superimposed current. There is a parallel circuit of a controllable mains current converter (1), a braking resistance (6) in series with a switch (7) and a thyristor adjuster (5). The system is intended for the braking of traction motors without any interruption on the current flow in the intermediate circuit of the converter and with adaptation of the braking resistance to the speed of the vehicle at the moment of braking. The system assures proper braking in the event of a supply failure.
Patent DE-2618524-A1 (DE)
Inventor: NEUMANN DIRK DIPL ING
IPC: H04B1/10
Filed: 1976-04-28
Abstract: To blank out noise pulses generated by activation and de-activation operations in a signal line to which direct current and alternating current can be applied simultaneously and which leads via an amplifier (V) to a loudspeaker (L), a circuit arrangement is proposed in which a relay (B) is provided which has contacts (b) inserted into the signal line. A switch (S) which initiates the switching of the relay contacts (b) and which has a delay component (R1, C1) connected downstream is disposed in the activation line of the relay (B). A pulse generator is connected to the output of the switch (S) which, when the switch (S) is opened and closed, transmits an adjustable-width square-wave pulse which is fed to a gate circuit (A, a) disposed between the amplifier (V) and the loudspeaker (L). The pulse generator has two parallel-connected branches leading to a monostable multivibrator, each branch containing a differentiator. In one of the branches, a memory circuit is connected upstream of the differentiator which transmits a voltage signal when the switch (S) is opened. Due to the circuit arrangement, the noise pulses in the signal line can be blanked out reliably even when activation and de-activation operations follow one another in rapid succession, for example in intercom systems. <IMAGE>
Patent DE-2624445-A1 (DE)
Title: Under ceiling structure single arm lever hanger - comprises two steel wire pieces and phosphated spring steel lever with holes
Inventor: MELLO HANS-GERHARD
IPC: E04B9/20
Filed: 1976-06-01
Abstract: The single-lever ceiling structure hanger is for linking the substructure for a visible ceiling to a concrete or other main ceiling. Upper and lower pieces are made of 4 mm steel wire, and the single lever arm, of phosphated spring steel with two holes 4 and 5.5 mm wide. Adjustment and securing of the hanger unit are effected by the single-arm lever. When the two pieces are plugged together, with the lever used, a hanger is produced which permits 20 kg loading with a five-fold safety factor.
Patent DE-2632912-A1 (DE)
Title: Multipurpose solid fuel grill unit - has adjustable flue openings through double wall frame with interchangeable grid or spit
IPC: A47J37/07
Filed: 1976-07-21
Abstract: The multi-purpose solid fuel grill unit comprises a housing (1) which is open at the top and which can be fitted with different interchangeable accessories to provide a much wider scope of use. Beneath the grid (3) of the grill the base (4) of the housing is provided with adjustable flue openings to allow the air intake to be regulated. The base can be attached for swivel movement to the housing so that it can open and close a flue slit to a greater or lesser extent. The housing is preferably made with a double-walled frame so that the intermediate insulating cavity (8) ensures good insulation to reduce the fuel consumption. The different accessories which can be mounted on the grid can include a turning grill or split.
Patent DE-2636029-A1 (DE)
Title: Control circuit for bistable switching relay with two field coils - has monostable auxiliary relay for each field coil switching
Inventor: STEINBICHLER WOLF ING GRAD
IPC: H01H47/22
Filed: 1976-08-11
Abstract: The circuit is intended for energising a bistable switching relay with two sealed coils and at least one change-over contact; the circuit uses control pulses of identical sign. A first monostable auxiliary relay energises the first field coil of the relay, on receiving of a control pulse, by connecting it to the control voltage source. The same monostable relay, or a second one, connects the second field coil of the relay to the control voltage source, on application of a further control pulse. Preferably two auxiliary relays (A, B) are provided each with a working contact (al, bl) and a rest contact (a2, b2). The second auxiliary relay (B) rest contact (b2) is incorporated between a terminal of the control voltage source and an excitation coil terminal of the first auxiliary relay (A).
Patent DE-2636767-A1 (DE)
Title: Composite metal and plastics hinge-box for cupboard door - wedges in door socket and has metal cup set demountably in plastics surround
Inventor: LAUTENSCHLAEGER JUN KARL
IPC: E05D5/08
Filed: 1976-08-14
Abstract: The composite plastics and metal hinge box is of the type which is wedged into a socket in a cupboard door, and the construction facilitates the removal of the metal cup. the plastic (14) is built round the cup (12). A screw (16) and mechanical interlock provide the connection between the metal (12) and the plastic (14). The cup (12) may be removed by first withdrawing the screw (16) and then twisting the cup. The plastic surround (14) has saw-tooth serrations (39) which grip the sides of the door socket and may comprise two diametrically opposed blocks (38) of circular segment plan-form. A triangular tie (42) unites the blocks (38) at one end and a 'U' form overhead flange (44) with a built-on offset screw (16) plug (46) unites the other end. The cup (12) has axle holes (12, 24) a crank flap (28) which locates the tie (42) and a flange (30) (36) which covers the flange (44) of the plastics element (14).
Patent DE-2637934-A1 (DE)
Title: Synchronisation of multi motor windscreen wipers - with binary counters to monitor impulse output of each motor
Inventor: OFFER IAN CHRISTOPHER
IPC: B60S1/08
Filed: 1976-08-23
Abstract: The large area windscreen wipers are each fitted with a separate drive motor. The motor pole pieces are arranged to provide a set number of impulses for each complete sweep. The impulses are fed to separate binary counters whose outputs are constantly compared by comparator circuits. A feedback control regulates the speed of the fastest motor to that of the slowest. This ensures a good control of synchronisation without a complex circuitry. The comparator circuits can be simplified to two circuits, one between each set of two impulse counters, for a three motor wiping system.
Patent DE-2641119-A1 (DE)
Title: Solar energy collector for heating liq. - has all-plastic construction including a serpentine pipe heat exchanger
Inventor: PIEPEREIT REGINALD
IPC: F24S10/75
Filed: 1976-09-13
Abstract: A plastic serpentine pipe forming part of a continuous plate forms part of an appts. for heating liqs. using solar energy. The heat exchanger so formed is enclosed in a housing which is transparent wrt sunlight and can be connected to a liq. circulation system. The collector is cheap and simple to construct. The absence of large metallic components provides a light weight construction which can be supported by existing roofs without reinforcement. The collector is also highly corrosion-resistant.
Patent DE-2641631-A1 (DE)
Title: Lightweight porous ceramic product prepn. - by calcining a ceramic contg. a pore former mixed with a glaze to improve strength
Inventor: FERNHOF SVEN
IPC: B01D39/20
Filed: 1976-09-16
Abstract: A light weight, porous, ceramic product in the form of a (non)-supporting construction element for building, insulation, ceramic filters, cooling bodies or drainage pipes with a pore dia. of 0.5-6.0 mm has a thin film of glaze on the walls of the. The elements have improved strength at the same degree of porosity as elements with no glazing layer, and the same strength with a higher degree of porosity. Compression strength may be improved by 300%. Building bricks may be prepd. having a higher degree of porosity and heat insulation while maintaining their usual strength. The thin film of glaze may be (dis)continuous and is esp. net-like. The elements are prepd. by mixing a raw ceramic compsn. with a vaporisable and/or pyrolysable particulate pore former (I) contg. a glazing compsn. (II) with a softening point lower than the calcining temp. of the ceramic, moulding and drying the compsn. and calcining. (I) may be a foamed resin e.g. polystyrene, polyurethane, wood flour, carbon powder, peat and/or cellulose (II) is pref. a ceramic frit, glass or a mineral such as K feldspar, nephelin-syenite or colemanite and is finely ground.
Patent DE-2644538-A1 (DE)
Title: (1)-Trichlorophenyl-(3)-anilino-(5)-pyrazolone magenta couplers - with oxycarbonyl amino-anilino gp. are soluble in high boiling solvent
Inventor: ICHIJIMA SEIJI
IPC: G03C7/38
Filed: 1976-10-01
Abstract: New pyrazolone derivs. (I) are of formula (I) (in which Ar is a 2,4,6-C6H2Cl3 gp. R is a linear or branched 2-14C alkyl, (3-22C) alkenyl, cycloalk(en)yl, ar(alk)yl or (5- or 6-membered) heterocyclic gp. X is halogen, pref. Cl or (1-8C) alkoxy. Y is H or a gp. eliminated in coupling). They are photograhic magenta couplers. (I) have a solubility of >40 pref. >50g/100g high-boiling solvent and give stable, high density magenta images which fade little after long periods under severe conditions. No stabilisation with HCO etc. is necessary. (I) have high speed and form dyes with sharp absorption curves and little sec. absorption. In (I), R can have numerous substits. and 18 individual cpds. are claimed. (I) can be prepd. by reacting the appropriate amine with ROCOCl in the presence of a base. E.g. (I) (in which X is Cl, Y is H and R is C14H29) was prepd.
Patent DE-2657175-A1 (DE)
Title: Light fluid separation equipment from drain water - having two separator chambers with sieve-type electrodes in one
Inventor: BENDER REINHARD
IPC: C02F1/465
Filed: 1976-12-17
Abstract: The equipment separates light fluids from drain water, being divided by a bottom partition into two separator chambers with bottom openings of different dias. One of these has two sieve-electrodes above is opening which can form the inlet for the water to be cleaned, while the other opening form sthe outlet for the clean water. The openings can be the mouths of immersed pipes, aimed at the bases of the respective chambers, and in the latter there can be additional deflectors in the form of immersed and overflow walls.
Patent DE-2657213-A1 (DE)
Title: Vertical coke oven battery with very tall retorts - ensures complete coking by heating walls divided into flues
Inventor: SCHMITT HUBERT DR
IPC: C10B3/02
Filed: 1976-12-17
Abstract: A vertical coke oven battery having coal filling shafts, sluices, extractors for the red hot coke, and between the resorts, heating walls with flues, alongside which, recuperators for preheating the fuel and air are arranged, has heating walls on both sides of the vertical retorts. The walls are divided by reinforcing panels into a number of separate heating flues, the feeder channels and inlets for the fuel are provided for the separate fuels. The strong or weak gaseous fuel is introduced at the bottom of the flues through nozzles, and the air for combustion is delivered into channels inside the reinforcement panels and through slots on their surfaces at different heights into the flues. The retorts have a height of ten to twelve metres. The heating flues are 0, 5 to 1mm in length. A recuperator is provided for transfering the latent heat of the hot gases leaving, to the air for combustion and to the low-caloried heating gases. Strong gaseous fuel is fed into the top of the recuperator so that it is not overheated. The heating system makes it possible to have vertical retorts of unlimited height whilst ensuring a fully coked cake which does not break leaving part behind in the retort. The installation is cheaper. Smaller amounts of nitrogeneous oxides are produced. The retorts are heated more uniformly. Strong gaseous fuel cannot be overheated.
Patent DE-2657469-A1 (DE)
Title: Battery heat shield and windscreen washer reservoir - is thin walled box in which at least a portion of the sides forms cavity for wash liquid
Inventor: WALKER PAUL LAVERNE
IPC: H01M10/66
Filed: 1976-12-18
Abstract: The box-like structure has a planar cover which lies on top of the battery and which has access openings for servicing the battery. The structure also has side walls, of which >=1 forms at least part of a windscreen washer reservoir. Pref. the reservoir extends around a corner of the structure, enclosed by two of the side walls, has a capacity of >=50 fl. oz., and has fluid inlet and outlet openings in the top cover and adjacent to the bottom of the reservoir respectively. The isde walls and cover may be made of polypropylene, with an insulating layer of urethane foam on at least one of the walls. The combined unit occupies less space under the bonnet than separate heat shield and windscreen washer reservoir.
Patent DE-2658349-A1 (DE)
Title: Excavator to drive trench through rock or soil - has shield above cutter which may be set to cut steep wall in rock and shallow wall in unstable ground
Inventor: STUCKMANN DIETER
IPC: E02D17/08
Filed: 1976-12-23
Abstract: The excavator system is used for driving an open trench into hard rock and also into loose ground. The system has a driving shield whose cutters are moved forward by means of presses on a support frame. The cutters are pushed forward separately or in groups. The trench is driven into ground by a shield (10) of the machine(26) cutting a steep front all (2) for digging through rock strata. The trench is made into loose soils by setting the cutters (12) to make sloping front wall for ensuring stability. The shield is clamped into the trench on digging the trench through rock. A scoop excavator is used on loose soil and rotating cutter in rocky ground.
Patent DE-2700526-A1 (DE)
Title: Heat insulating plastic infilling for metal profile strips - which is inserted by moving the strips past an extrusion nozzle (NL 6.3.78)
Inventor: ROSSMEISSL ALFRED JOSEPH
IPC: B29C44/42
Filed: 1977-01-07
Abstract: The meal parts are to be moved past an extrusion nozle, to which fitments are attached to shape the exposed sides of the mass of plastic. The plastic is extruded into a former, into which the metal profiles have been fastened. On part of the former moves, to shape the plastic; the other side of the plastic is shaped by a fixed element set beside the extrusion noaale. The former may be made in sections.
Patent DE-2710988-A1 (DE)
Title: Electronically controlled ignition system for vehicle engines - has sawtooth generator and storage element with symmetrical characteristic
Inventor: MAISCH WOLFGANG DIPL ING DR
IPC: F02P5/155
Filed: 1977-03-14
Abstract: The electronically-controlled ignition timing system for internal combustion engines consists of a top-dead-centre detector and pulse generator which controls a special saw-tooth generator. The trigger point for the saw-tooth generator is related to the speed of rotation of the engine crankshaft. A voltage proportional to this is stored in an analogue register. Function generators on the output of the register give outputs proportional to speed and pressure. The latter is added to the saw-tooth voltage and the sum taken to the inverting input of a comparator. At coincidence, the ignition is fired via a monostable, the aperture time of the switch being proportional to the motor speed.