baber/WOPTO huggingface dataset:
Patent DE-2713151-A1 (DE)
Title: Coil arrangement for non-ferrous object proximity detector - using additional coil on ferrite core forming part of oscillatory circuit
Inventor: KLASCHKA WALTER DIPL ING DR
IPC: G01V3/10
Filed: 1977-03-25
Abstract: The proximity switch is for determining whether a non-ferrous object is on a magnetisable carrier or whether it consists mainly of a non-ferrous material and has a coil wound on a ferrite core behind a wall of the housing and forming part of an oscillator circuit with defined resonance frequency. A second coil wound on the core at a distance fron the first coil is connected in an oscillator circuit of the same resonant frequency. Both coils operate in resonance absorption owing to their coil geometry and are magnetically coupled via an air path. The first coil is part of a passive oscillation circuit.
Patent DE-2717390-A1 (DE)
Title: Temp. controller for processing thermoplastic materials - has AC voltage superposed on thermocouple voltage and determines frequency of DC voltage interrogation
Inventor: PLAETTNER HARTWIG
IPC: G05D23/22
Filed: 1977-04-20
Abstract: The controller has an electronic comparator with manual setting of the required temp. for at least one heating element, and a thermocouple close to the heating element measuring its actual temp. It is intended for insertion into thermoplastic processing machines and their tools. An AC voltage is superposed on the DC voltage generated in the thermocouple (7) by the heat radiated by the heating element. This modulated voltage is compared in the comparator (8) with a DC voltage corresponding to the required temp. The frequency of the required temp. DC voltage interrogation is determined by the frequency superposed on the actual temp. voltage. It ensures low hysteresis heating energy control for the heating element.
Patent DE-2719479-A1 (DE)
Title: Fitting tool for rollers on chair bases - has frame set centrally on rotary plate with each leg clamped between pivoted jaws
Inventor: STEIFENSAND FRIEDRICH-MARTIN
IPC: B23P19/04
Filed: 1977-05-02
Abstract: The fitting tool is for fixing rollers to a multi-armed foot frame of a chair. A pin fitted to a first component is pressed into a corresponding bore at the second component. The pin has a self spreading safety ring with a corresponding annular bead in the bore. The foot frame (5) is set centrally on a rotary plate (3, 4). The pin (8) or the bore (7) is axially parallel, at an axial spacing from the rotary plane of the foot frame (5). A tensioning jaw (15) can pivot on the tension ring while a pressure jaw (16) can be pressed on the tension ring from the opposite side.
Patent DE-2722211-A1 (DE)
Title: Reclaiming headlamp reflectors with faulty lacquer coatings - using hot caustic soda and water rinsing to remove lacquer
Inventor: CANZ HELMUT DIPL ING
IPC: C23G1/00
Filed: 1977-05-17
Abstract: Lacquer possibly covered by other materials is removed from workpieces, esp. headlamp reflectors, which are mounted in a carrier and are successively immersed in a delaquering bath (a); water rinsing baths (b) operated on the cascade principle; a tank (c) using sprays of pressurised water; and a tank (d) providing a protective coating. Bath (a) pref. contains a 50% soln. of NaOH into which steam is blown so the soln. boils; and bath (a) is also heated externally. Rinsing water flows in counter-current to the reflectors in baths (b); and the last bath (b) pref. includes a water spray. Tank (d) pref. contains an 8% emulsion of drilling lubricant in water; and a fume extractor is pref. used above bath (a). Lacquer employed as an undercoat for a reflector surface applied by evapn. must have a surface completely free from defects. In mass prodn. there are inevitably some reflectors with faulty lacquer coatings. The invention removes the lacquer so the reflector can be reclaimed.
Patent DE-2723315-A1 (DE)
Title: Brake for printing paper feed - uses brake pad onto friction rim of paper feed roll to prevent overrun
Inventor: MUHL ARTUR
IPC: G03B27/58
Filed: 1977-05-24
Abstract: Feed and braking mechanism is for controlling the roll of paper used for copies or prints in copying or printing appts. The paper feed is controlled by the printing operation. The paper is wound on a spool with a rotating centre and a brake pad at one side. When the paper is pulled taut and being transported to the printing area through rollers a sensing pad on an arm lifts the brake pad of the drum brake surface. When the transport stops the paper falls slack, the sensor weight drops and the hinged arm swings the brake pad against the drum.
Patent DE-2730789-A1 (DE)
Title: Controlling pumping limit of variable turbocompressor - by varying return flow to inlet as function of intake flow and output setting
Inventor: GOETTSCH HERBERT
IPC: F04D27/02
Filed: 1977-07-07
Abstract: The arrangement is intended for controlling the pumping limit of a turbocompressor (2) with output control (7) having a return flow line (11) from the pressure to the intake side of the compressor. It comprises a controller (1) which receives a signal representing the actual flow in the inlet line (4) from a flow meter (3) and a signal representing the rated value derived from a load-dependent quantity. The controller output actuates a value (10) in the return line (11). The load-dependent quantity may be proportional to the speed of a variable-speed compressor and/or to the position of the guide vanes of a variable guide vane compressor.
Patent DE-2736998-A1 (DE)
Title: Winding mechanism for vehicle seat belt - has drum with auxiliary spiral spring to accelerate rewinding
Inventor: OEHLERKING CONRAD DIPL ING
IPC: B60R22/44
Filed: 1977-08-17
Abstract: The wind mechanism is for a motor vehicle seat belt. Its drum is loaded in the winding direction by a spiral spring. A second spiral spring (10) is arranged parallel to the first spiral spring (6). The second spring is connected to drum only during the winding. The second spiral spring may be alternatively connected to the drum only towards the end of the winding up process to ensure accelerated winding up.
Patent DE-2738130-A1 (DE)
Title: Hybrid electronic circuit on ceramic support - has surface contact regions for connection of semiconductor lead wires by ultra-sound
Inventor: HAUSCHILD FRANK-D DIPL ING
IPC: H01L25/16
Filed: 1977-08-24
Abstract: The hybrid circuit has at least one semiconductor element (5), whose lead wires (3, 4) free ends are connected by ultrasonic technique to surface contact areas (1, 2) of conductive tracks on the circuit ceramic support. The contact areas are 2 to 10 microns thick, preferably 4 to 8 microns. Both the contact areas and the semiconductor lead wires are typically made of gold. The ultrasonic connection provides mechanically strong and electrically good conductive coupling. The conductive track and contact areas may be produced by screen printing.
Patent DE-2739695-A1 (DE)
Title: Mobile tray support for hairdressing tools - has round cage supporting suspended trays brought into use position by rotating cage
Inventor: IHNE HANS EUGEN
IPC: A45D44/02
Filed: 1977-09-02
Abstract: The mobile tray is for holding tools and accessories for hairdressing salons. The wheeled column carries wire trays. It has also a revolving cage for a number of trays which are moved by hand. The wheeled column (1) has a round cage (9) revolving about a horizontal axis. Trays (15) are suspended from this cage in stable equilibrium so that they are always horizontal. The cage comprises two wheels with spokes whose projecting ends are used as pivots for the trays.
Patent DE-2740250-A1 (DE)
Title: Electronic fuel control for IC engine - has speed and load signals fed to multiplier which delivers voltage to comparator emitting injection pulses controlled by reference voltage
Inventor: HAASE GERHARD
IPC: F02D41/24
Filed: 1977-09-07
Abstract: An electronic fuel control system for an I.C. engine uses an electronic multiplier which receives a signals proportional to engine speed and to engine load and generates a voltage proportional to their product. A comparator emits a pulse fixing the time of fuel injection and terminates the injection when a saw-tooth voltage generated by the crankshaft is equal respectively to this product voltage and to a reference voltage. This reference voltage is generated by a disc mounted on the crankshaft and provided with slots which are so spaced that the pulses generated are corrected to compensate for the limit of fuel flow of the injection system. An analogue converter changes the pulses to a voltage corresponding to engine speed.
Patent DE-2742367-A1 (DE)
Title: Coal plough path meter - has fixed transducer at one point in face to send correction signal as plough passes for counter summating signals from path meter
Inventor: BAUMGAERTL ULRICH
IPC: E21C35/24
Filed: 1977-09-16
Abstract: Haulage gear mounted transducer responds to meter signals representing path travelled. The signal emitted by a fixed transducer at one point on the plough path when the plough passes forms the correction value for the path lengths counted in a counter (40) by summating the signals from the path meter (12). The path contains fixed transducers for (7, 10) upper and lower synchronisation points, i.e. along the plough path towards top and bottom ends of the face. The counter is supplemented by a calculator converting path lengths into percentages of the total trip path and feeds to a display (28) fitted with lamps allocated to standard step lengths.
Patent DE-2742373-A1 (DE)
Title: Portland cement clinker - made from crude flour contg. zinc cpds. which lower sintering temp., thus saving fuel costs
Inventor: ODLER IVAN PROF DR ING
IPC: C04B7/42
Filed: 1977-09-17
Abstract: The raw material pref. contains 0.1-1%, esp. 0.1-0.3% of a Zn cpd. calculated as ZnC, and obtd. from ZnO, ZnS or other Zn salts. The zinc may also be obtd. from natural prods., e.g. ores, waste, or residues; or from old rubber or old oil contg. zinc. The addn. of Zn lowers the sintering temp. as measured by the amt. of free CaO remaining in the clinker after sintering; and the Zn cpds. produce no noxious gases. The Zn cpds. were found to be just as efficient in reducing the sintering temp., for saving energy, as CaF2; but CaF2 cannot be used because it causes environmental pollution and corrodes the clinker mfg. plant.
Patent DE-2758390-A1 (DE)
Title: Error test circuit for binary data - uses rectifier stage to produce nRZ signal passed through two threshold test levels and output logic circuit giving error free signal
Inventor: SCHMIDT HERBERT
IPC: G06F11/16
Filed: 1977-12-28
Abstract: The error test circuit for binary data accepts a read signal (RO) which may include an interference signal (SI). The signal read in is transferred to an NRZ-type read circuit which produces a rectified output submitted to a selection circuit with an upper (URO) and a lower (URU) threshold value level. The selection circuit consists of two threshold value stages with outputs each sent to one of two registers. The latter is connected to a multiplexer, the common output line from which continues through a parity check unit in parallel with a summation unit; The final stages include a comparator and a flip-flop. These stages produce an error free output.
Patent DE-2803372-A1 (DE)
Title: Brake light switch for motorcycle - has front and rear brakes with common cable and divided outer sleeve
Inventor: KUBES JIRI
IPC: B62J6/04
Filed: 1978-01-26
Abstract: The front brake is actuated by a hand lever and cable. The rear brake is actuated by a foot pedal and a rod. A single brake light switch is actuated by a common cable divided into two parts by an outer sleeve. The ends of the brake light cable are fixed to the front and rear brake levers. A spring encased in a cover is fitted between the brake light switch and the rear brake pedal switch cable. The switch has a fixed contact and a sliding contact actuated by a slide. The outer cable sleeve is divided by a spring which is stronger than the switch return spring.
Patent DE-2803723-A1 (DE)
Title: Automatic door system for commercial building entrances - with radar controlled actuation and doorway or shop window illumination systems
IPC: H05B37/02
Filed: 1978-01-28
Abstract: A force actuated door system for commercial building entrances has an external radar device controlling door opening. It is designed for an economical increase in safety in the doorways, to give optimum service to the walker and potential customer irrespective of the time of day. This is achieved without wasting energy. The radar device, which detects the approach of a person, may also be used to switch on the illumination of the doorway and/or the shop window. The illumination may be switched off after a selectable time delay until the next approach.
Patent DE-2819364-A1 (DE)
Title: Printing unit for upright cylindrical objects - has objects in holders about circle and has rotating plate carrier
Inventor: CHARRIER ALAIN
IPC: B41M1/40
Filed: 1978-05-03
Abstract: Upright, cylindrical objects are printed or marked using cylindrical or flat plates. The objects are held in fixed holders (16) arranged in a circle. A radially rotating carrier arm (26) or carrier plate supports the printing plate (25) which is spring-loaded against the objects. The number of fixed holders (16) for the objects corresponds to the number of rotations of the plate during a full rotation of the carrier arm or the plate. Several rotating ink rollers are associated with the rotating plate and are powered by gear wheel pinions.
Patent DE-2822209-A1 (DE)
Title: Lubricating oil circulation system for IC engine - uses finely divided oil stream part, representing less than 10 per cent of total, passing through large vacuum chamber
Inventor: HERTELL SIEGFRIED DIPL ING
IPC: F01M1/12
Filed: 1978-05-22
Abstract: The IC engine has an oil pump (3) producing a lubricating oil flow, a part of which is conducted through a vacuum (7), the pressure of which is less than 0.5 bars. The amount of oil passed through this vacuum (7) represents less than 10% of the total flow produced by the pump. An air current is conducted through the vacuum chamber (7), the vacuum being produced in a large volume chamber (7). The amount of oil fed through the vacuum is in finely divided parts, and in the conduit between oil pump and vacuum chamber a speed-dependent throttle valve is fitted.
Patent DE-2827590-A1 (DE)
Title: Drying chamber for tumble-galvanised objects - has open-top container for receiving, tilting and rotating work basket
Inventor: STOLLE HANS ING GRAD
IPC: F26B11/08
Filed: 1978-06-23
Abstract: The drying chamber comprises a container (2) capable of receiving a basket (1) for the objects to be dried, particularly tumble-galvanised components. The container is arranged so that the basket can be tilted and rotated (4) about its longitudinal axis. The arrangement may permit filling or emptying the basket whilst inside and outside the chamber. The basket or the contents may be introduced into the chamber from the top (3). The basket may be tipped for removing the contents through the bottom of the chamber. The chamber may be provided with fans and a heater.
Patent DE-2828293-A1 (DE)
Inventor: RIEBEL HANS-JOCHEM DR
IPC: C07D215/08
Filed: 1978-06-28
Abstract: 1. Claims for the contracting states : BE, CH, DE, FR, GB, IT, NL N-Dichloroacetyl-1,2,3,4-tetrahydro-quinaldine of the formula  see diagramm : EP0006540,P18,F2  1. Claims for the contracting state AT Process for the preparation of N-dichloroacetyl-1,2,3,4-tetrahydro-quinaldine of the formula  see diagramm : EP0006540,P19,F2  characterised in that 1,2,3,4-tetrahydro-quinaldine of the formula  see diagramm : EP0006540,P19,F4  is reacted with dichloroacetyl chloride, if appropriate in the presence of an acid-binding agent and if appropriate in the presence of a diluent.
Patent DE-2833192-A1 (DE)
Title: Plastic filament tow granulating appts. - has cutting cylinder arranged as radial flow pump whose inlet sucks cooling medium and outlet discharges it with granulate
Inventor: RICKE HANS-BENNO DIPL PHYS DR
IPC: B29B9/02
Filed: 1978-07-28
Abstract: Appts. for granulating melt spun plastics tows which are set by cooling medium feeding the tows to a pair of feed rollers disposed at the inlet of a cutting device having a rotary cutting cylinder is arranged for sucking the cooling medium which feeds the tows and discharging it jointly with the granulate from the cutting region. Deflection of tows in front of cutting cylinder and jamming of cutting cylinder are prevented. Granulate is cut normally to tow axis.
Patent DE-2845812-A1 (DE)
Title: Prefabricated element assembled structures - have water tight joints utilising cement paste in elastic tube in groove, and mortar filling
Inventor: ERDI PAL DIPL ING
IPC: E04B1/68
Filed: 1978-10-20
Abstract: The process for provision of watertight joints for structures made from prefabricated building elements is esp. applicable to water towers, swimming-pools and other units where water is stored. A groove (2) is worked out from the fitting surface of the element (1), for inserting a thick walled elastic tube (3) while fitting is taking place. Elements are then pressed together, and the tube is filled with cement paste (4). Thin mortar is cast in the resultant enclosed spaces (6) and the surface joint gaps are also block with mortar. This enables separate prefabricated elements to be used, with watertight sealing effected by simple means.
Patent DE-2846629-A1 (DE)
Title: Refrigerator double leaf door profiled sealing section - contains magnets acting between leaves and with refrigerator housing
Inventor: KERPERS WERNER
IPC: F25D23/08
Filed: 1978-10-26
Abstract: Both leaves have sealing profiled sections (3), containing magnetic locks (A, B) acting both against the face of the refrigerator housing and laterally against the other door leaf. The magnetic inserts can be accommodated in two separate chambers, one vertical and the other horizontal. The unlike poles of the magnets on the doors can be situated opposite each other.
Patent DE-2846742-A1 (DE)
Title: Temp. conditioning system for testing vehicle engines - having closed circuit air system with temp. control, to create an air stream of controlled temp., around the test piece (OE 15.1.79)
Inventor: LENZ HANS-PETER PROF DIPL ING
IPC: F24F1/04
Filed: 1978-10-27
Abstract: Temp. control plant for test objects esp. motor vehicles, combustion engines, consists of an air passage, into which the object is placed. The passage is coupled to a fan and heating and/or refrigeration systems. The passage has openings and connections so that lines, pipes, shafts, etc. can be connected to the object under test. On the fan inlet, an inlet duct is arranged with a damper so that a controlled flow of fresh air can be set up into the system. Esp. for use in testing motor vehicles to check the effects of environmental changes. Cold chambers can be used, but these do not accurately reproduce the effect of air flow past an engine. The system described permits this effect to be investigated for a wide range of conditions.
Patent DE-2855587-A1 (DE)
Title: Sorting of prim. tin ores by flotation - where crushed ore is treated with organic complex former, esp. EDTA to increase yield of tin
Inventor: HOBERG HEINZ PROF DIPL ING DR
IPC: B03D1/004
Filed: 1978-12-22
Abstract: The ores rae esp complex, fine disseminated cassiterites which are crushed to a fineness suitable for flotation and are then subjected to a chemical treatment prior to flotation. Up to 500 g/m3, esp 50-300 g/m3 of a cpd (I) forming an organic complex is added to the flotation liq. Cpd (I) is pref ethylene-diamine-tetra-acetic acid (EDTA). High tin yields are obtd.
Patent DE-2856068-A1 (DE)
Title: Gearbox with two output shafts - has driving shaft acting directly on first output and via layshaft on second
Inventor: SCHOLT ERNST
IPC: B30B11/24
Filed: 1978-12-23
Abstract: The gearbox comprises a driving shaft and a pair of driven shafts between which torque is divided. It is used particularly for driving the two auger shafts of a double-auger extruder. The driving shaft (1) acts directly on the first auger shaft (2), and also on a layshaft (4). The latter acts via top and bottom support shafts (5, 6) on the second auger shaft (3). There can be meshing spur gears (7, 8) on driving and layshafts, the layshaft sliding axially and being automatically centred by doubelhelical gear teeth.
Patent DE-2900346-A1 (DE)
Inventor: GRAF HEINZ
IPC: B65G47/57
Filed: 1979-01-05
Abstract: The arrangement, having a processing table (1) and a vertical lift (3), has a lift platform (4) which fits into an aperture (2) in the working table (1) in such a manner that the lift platform is flush with the table surface (5) in an end position (A) and closes the aperture as part of the working surface. This makes it superfluous, for the further processing of the material (6), to transfer it from the lift platform onto the working table. For safety reasons, a covering hood (8) is provided above the aperture. <IMAGE>
Patent DE-2902018-A1 (DE)
Title: Purifying gases using active carbon - with adsorption beds moved forward and transferred to regenerating zone
Inventor: SUSSMANN KLAUS
IPC: B01D53/06
Filed: 1979-01-19
Abstract: Active C is arranged in at least two mobile layers positioned one behind the other in the direction of flow of gases which are to be purified. When the layer which is first in the direction of flow is fully charged, it is removed and transferred to a regenerating zone. The other layers are then moved forward by the thickness of a layer towards the source of the gases. The last place thus made vacant is filled with a fresh layer and for pref. there are 4 to 6 layers and these are 10-30cm. thick. To exploit to the fullest extent the adsorptive capacity of the active carbon without either the disadvantages of regeneration by hot steam or gas in situ, or the transfer of the carbon by gravity, etc. This latter is both inefficient and expensive as well as destructive of the carbon by friction.
Patent DE-2902334-A1 (DE)
Title: Digital integrated nickel cadmium accumulator charge monitor - employs bidirectional counting of clock pulses actuated by current flowing to or from accumulator
Inventor: STEIN KARL-ULRICH DIPL ING DR
IPC: H01M10/48
Filed: 1979-01-22
Abstract: The monitor has a clock generator actuated by the current flowing from or to the Ni-Cd accumulator. An up/down counter (Z) counts the clock generator pulses and the direction of count is determined by the direction in which current is flowing through the accumulator i.e. charging or discharging. A sensor monitors the temp. of the accumulator and corrects the count reached by the counter and/or the display of the counter contents when the accumulator is being discharged. The input of the monitor is connected to a charging circuit, the output to the load and an input/output to the battery. A second output is coupled to the display (AN Z).
Patent DE-2903573-A1 (DE)
Inventor: SCHMARANZ RUDOLF
IPC: E04C1/41
Filed: 1979-01-31
Abstract: The structural element (1) has at least one insulating body (5, 11) for sealing and insulating at least one of its walls (2, 3) and/or horizontal and vertical joints which arise when positioning said element. The insulating body can be elastically deformed in at least one direction, with the result that, when placing structural elements one against the other, adaptation to different joint sizes is possible. The deformation can be ensured by one or more slots (6) running transversely to the deformation direction. The insulating body can also be constructed from at least two parts which are connected to one another and of which at least one can be elastically deformed. When sealing a wall (2) and the horizontal joint (m), the height of the insulating body (5) in the relaxed state may be greater than the height (h) of the structural element, but can be compressed at least to the height thereof. The insulating body (5) can be fixed by means of one end portion and positioned with respect to an end side (4) of the structural element (1). For sealing the vertical joint (s), the insulating body (11) on one of the two side walls (3) of the structural element can be accommodated in a groove (12) and designed as a strip with U-shaped profile. <IMAGE>