baber/WOPTO huggingface dataset:
Patent DE-4111035-A1 (DE)
Title: Vehicle headlamp unit with adjustable reflector - has display device for indicating reflector position within housing of headlamp unit
Inventor: URBSCHAT ULRICH
IPC: B60Q1/068
Filed: 1991-04-05
Abstract: The headlamp unit has a rear reflector attached to the housing of the headlamp unit at 3 points, (4,5,6), 2 of which are adjusted via a setting device (13), for pivoting the reflector about a horizontal and a vertical axis (11,12). The latter axes intersect at the third point (4) with the actual reflector position indicated by a display (21). Pref. the display (21) has a scale and a cooperating measuring mark and lies along the horizontal pivot axis (11) at a given distance from the vertical axis (12). One part of the display is supported by the housing of the headlamp unit, while the other is adjusted with the reflector.
Patent DE-4117316-A1 (DE)
Title: Measuring particle content in molten castable compound - cooling until rigid whilst measuring temp. and evaluating time difference on either side of inversion or maximum and minimum temp. at inversion
Inventor: KAUFMANN HELMUT DIPL ING
IPC: G01N33/20
Filed: 1991-05-27
Abstract: The method involves cooling it in a crucible until rigid and measuring the temp. against time. The transition time difference for the parts of the curve with negative gradient is determined. The particle content is determined from a calibration curve relating particle content to the time difference. The min. (Tu) or max. (To) temp. in the inversion region can be used to evaluate the particle content. USE/ADVANTAGE - Particle content in molten castable material can be determined using simple method.
Patent DE-4117535-A1 (DE)
Title: Relay control circuit for domestic electrical appliance - uses switching transistor supplied with control signal dependent on supply voltage amplitude
Inventor: SCHULZE-HOBELING MARTIN
IPC: H01H47/32
Filed: 1991-05-29
Abstract: The control circuit uses a switching transistor (T) with its collector/emitter path in series with the relay winding (RR) and bridged by a free-running diode (D). The transistor (T) is controlled by a pulse signal which is varied in dependence on the amplitude of the supply voltage (Ub). The control signal for the switching transistor (T) is provided by a microprocessor (MC) including an A/D converter allowing the supply voltage (Ub) to be converted into a pulse width modulated signal (PWM), fed to the base of the switching transistor (T) via a pre-resistance (RV). ADVANTAGE - Reliable operation with widely varying supply voltage.
Patent DE-4117914-A1 (DE)
Title: Miniature electrostatic pump with several spaced electrodes - has each electrode fitted to one side of electrode support body, insulated against them
Inventor: HOFMANN KLAUS
IPC: G01F1/7088
Filed: 1991-05-31
Abstract: The pump electrodes are arranged in a non-conductive liq. or gas to be pumped in a spaced arrangement in the pumping flow direction. They are engageable by a potential for injecting or accelarion a fluid ion current between the electrodes. The two electrodes (10,11) are secured to the main surfaces (5,6) of an electrode support body (2). The electrode support body is insulated w.r.t. the electrodes and has at least one through flow aperture (7) vertical to its main surfaces. Pref. the support body is of semiconductor material, surrounded by an axide layer (9) of the semiconductor material. The electrodes are formed by two-side metallising of the oxide layer. ADVANTAGE - Simple mfr. and increased miniature rising.
Patent DE-4119241-A1 (DE)
Title: Transmission for traction medium, esp. for vehicle parking brake - has actuating lever with locking device locked by pivoting lever and traction medium tensioning spring
Inventor: ADOMEIT HEINZ-DIETER DR ING
IPC: B60T11/04
Filed: 1991-06-07
Abstract: A transmission arrangement for a traction medium (4) connects an actuator lever (2) with at least one element with or without translational and/or rotational freedom w.r.t. the lever axis. A locking or restraining device (5) is provided. The traction medium is connected to the lever via the locking device which is unlocked or unrestricted in the rest position. The traction medium is tensioned by spring (12) force and the locking device is locked by pivoting the lever. USE/ADVANTAGE - For use with open, continuous traction medium, e.g. cable, wire, steel band, belt, chain and rods, esp. for motor vehicle's parking brake. Easy to assemble, requiring no adjustment for subsequent maintenance.
Patent DE-4119839-A1 (DE)
Title: Electrolysis cell used e.g. for removal of metals from waste water - contains at least one fluidised electrode of suspended fine particles biased towards current distributor
Inventor: GALLIEN ARNOLD
IPC: H01M8/08
Filed: 1991-06-12
Abstract: An electrolysis cell, for gas evolving or consuming electrolytic processes, has a housing with cathodic and anodic current distribution and at least one fluidised electrode comprising individual electrode elements, the novelty being that (i) the electrode elements have a pulverulent structure with an average dia. of max. 500 microns but sufficiently large that the characteristics of a suspension of the electrode material in the electrolyte are retained; and (ii) at least one system, which interacts directly with the electrode elements, is provided for electrode element transport to and pref. retention at the reaction-side region of the current distributor. USE/ADVANTAGE - The cell may be used, e.g., for removal of metals from waste water or for solar prodn. of hydrogen by electrolysis. It has an extremely large electrode surface, ensures an overall zero electrode spacing under fluctuating process conditions, avoids overloading of the separator system (membrane or diaphragm) and allows use of a solid electrolyte as the separator system.
Patent DE-4123652-A1 (DE)
Title: Safety circuit in vehicle with operating voltage source feeding motor vehicle sets - has common supply line or group of vehicle sets functionally working in conjunction with each other across central switch controllable by control line
Inventor: FROESCHL JOACHIM
IPC: B60R16/03
Filed: 1991-07-17
Abstract: The group of motor vehicle ancillary sets is connected with the operating voltage source, if at least one first motor vehicle set of this group is controlled. It is isolated from the operating voltage source, if no motor vehicle set of this group is no longer controlled. The voltage supply of the supply line and the control line are tested as to their plausibility. The motor vehicle electrical ancillary sets, functionally working together are dependent of the voltage supply of the control line from the ignition switch, and the central switch is a relay. ADVANTAGE - Safety switch designed, so that it has small number of switch elements for operating voltage supply, and has low failure probability.
Patent DE-4125783-A1 (DE)
Title: Table arrangement fitting onto vehicle seat - uses fold away construction with horizontally extendible tops
Inventor: HEGENBARTH DIETER
IPC: B60N3/00
Filed: 1991-08-03
Abstract: The table arrangement is designed to be mounted on the seat of a vehicle. It has a table top (1) which can be swivelled about an axis (2) between an extended in-use position and a folded storage position. Table top elements (4,5,6) are movably so attached to the table surface that in the extended position at least one of the three free edge surfaces (7,8,9) of the table top to which no swivel axis is fitted, is extendable in the horizontal direction. A second table element (11) can be fitted parallel to the first elements. USE/ADVANTAGE - Table for vehicle seat capable of supporting drinks without spillage and requiring minimal installation space.
Patent DE-4126510-A1 (DE)
Title: High strength and fracture toughness sintered silicon nitride body mfr. - by wet milling silicon nitride powder with additives, drying and sintering, esp. for machine and tool cutting and wear parts
Inventor: HERRMANN MATHIAS DR
IPC: C04B35/593
Filed: 1991-08-08
Abstract: In mfg. a sintered silicon nitride body, silicon nitride powder is wet-milled with additives and the mixt. is dried and sintered. The silicon nitride powder used comprises 0-85% alpha-silicon nitride and 15-100 wt.% beta-silicon nitride, with a mean crystallite size less than or equal to 0.2 microns and a max. crystallite size of 0.45 microns. The crystallites may have an elongated shape (length/thickness greater than 1). USE/ADVANTAGE - For machine and machine tool parts (especially wear parts) and for cutting tools. The material has a strength and fracture toughness which are higher than those of conventional silicon nitride ceramics. In an example, a silicon nitride powder with a beta/(alpha+beta) ratio of 1.0, a mean crystallite size of 0.15 microns, a max. crystallite size of less than or equal to 0.4 microns (determined by x-ray diffraction) and a free specific surface of 10 m2/g was ball-milled with 10 wt.% yttria, 2 wt.% alumina, 1 wt.% stearic acid and sintering aids in ethanol, followed by drying. The mixture was sintered at 1900 deg.C under a max. nitrogen pressure of 5 MPa. The fracture toughness and strength of the product were 10.5 MPa m1/2 and 850 MPA respectively. Corresp. fracture toughness and strength values obtd. for a powder comprising 96 wt.% alpha-silicon nitride and 4 wt.% beta-silicon nitride, which was mixed, pressed and sintered under the same conditions, were 8.0 MPam power (1/2) and 750 MPa respectively.
Patent DE-4128729-A1 (DE)
Title: Braking system for castor on mobile work-station - has brake pedal linked by drive to brake release pedal
Inventor: SCHOCHINGER AXEL
IPC: B60B33/02
Filed: 1991-08-29
Abstract: The castor for mobile work stations, equipment and the like has a fastening stem (17), a fork (11) and a running wheel (10). It has an axle (12) about which a foot lever (28) with a foot plate (29) can turn. The lever is in working connection via a drive (40) with a release lever (42) having a foot plate (45), and braking action is effected by the movement of a rectangular braking strip (35) against the running surface of the wheel. USE/ADVANTAGE - Locking mechanism for a castor which is easily moved by the operator to the release position.
Patent DE-4129239-A1 (DE)
Title: Laser beam welding - using additive powder material feed maintained at constant angle to focussed laser beam axis
Inventor: MUELLER REINHARD DR ING
IPC: B23K26/144
Filed: 1991-09-03
Abstract: Welding method uses a focussed laser beam and additive powder in which the powder is fed to the axis of the focussed beam at an angle which is not greater than 10 deg. and the diameter of the powder feed at the weld area is a max. of 2 mm.. USE/ADVANTAGE - For joint as well as build-up welding. Ensures reliable welding by maintaining constant relationships between laser beam and powder feed.
Patent DE-4129252-A1 (DE)
Title: High frequency control signal transfer arrangement along hollow earth boring rods - has signal transfer transformer windings on each end of pipe sections making up rod, with tuning capacitances in connecting leads of each pipe section
Inventor: WELLHAUSEN HEINZ PROF DIPL ING
IPC: H01F38/14
Filed: 1991-09-03
Abstract: The arrangement for transferring a.c. voltages, esp. high frequency signals in a hollow rod made up of individual pipes has a transformer winding (11,12) on one end of each pipe connected to another winding on the other end via two lines (13,14), at least one of which contains a capacitor. The windings on adjacent ends of successive pipes form signal transfer transformers. The transformer inductances and the capacitances are tuned to the signal frequency. Each capacitance (15) is connected in parallel to the transformer windings and between the two lines. USE/ADVANTAGE - For use in transferring control signals along drilling rods for boring holes in ground. Enables longer transfer depths.
Patent DE-4129351-A1 (DE)
Title: Hybrid planetary piston engine - has three pistons, and combustion chambers with separate injection nozzles, to drive linear generator for supply of batteries
IPC: B60K1/04
Filed: 1991-09-04
Abstract: The hybrid engine (1) has three pistons (20), which are guided pulsating by the carriers (22) of the internally toothed eccentric (31, 32). The combustion chambers (24) formed in the intermediate spaces are supplied by separate injection nozzles (25), and each chamber can be switched on/off individually. The resulting flexible drive of the generator permits constant filling of the batteries, which are electronically controlled to supply the wheel engines. These are connected to the wheels, steered so that each wheel is individually driven by the wheel engine, steered via an electronic steering system. ADVANTAGE - Environmentally friendly, low-consumption engine.
Patent DE-4129460-A1 (DE)
Title: Pipe section for exhaust pipe -  has hole with peripheral protrusion, lid and contact surface for it, with seals
Inventor: NOORLANDER HANS NICOLAAS
IPC: F16L45/00
Filed: 1991-09-05
Abstract: The pipe section, esp. for an exhaust-fume waste pipe, has a closeable hole (2) around which is protruding piece (3) the diameter of which, on the first side positioned on the pipe (1a) has a radius matching the pipes (1a) radius. The second side of the hole (2) is flat and acts as a contact surface for a flat lid (5). Between the lid (5) and the piece (3) on the one side and between the piece (3) and the pipe (1a) on the other side are seals (9). The piece (3) the seals (9) and the lid (5) fit over fixtures (4) on both sides of the hole (2), and cooperate with nuts (6) resting against the lid (5). One end of the lid (5) has a completely enclosed hole (7), while the other lid-end has a hole (8) only partly enclosed. ADVANTAGE - The opening is easily opened and closed and is well sealed.
Patent DE-4131160-A1 (DE)
Title: Fast action coupling for brake cable -  has expanding elements that latch cables when tension is applied
Inventor: OGBONNA CHARLES DIPL ING
IPC: F16C1/12
Filed: 1991-09-19
Abstract: A fast action coupling is used to connect a pair of flexible brake cables (16) of the type used on road vehicles. The ends of the cable wires have enlarged ends (7) that can be inserted through the ends caps of the coupling (14). Within the housing is a centre element (4) and a cylindrical sleeve element (5). The centre element has a ramp (11) and operates against radial springs (8). When axial tension is applied the enlarged ends of the cables are secured by latching surfaces (14) as the ramp expands the elements. ADVANTAGE - Fast and simple fixing without using tools.
Patent DE-4131190-A1 (DE)
Title: Compact gel=supply system which is easy to use - contains concentrate in inner bag of sheet-material sealed by bottle cap
IPC: B65D83/00
Filed: 1991-09-19
Abstract: Gel is supplied in a bottle which can be sealed. The gel concentrate is contained in an inner bag of sheet-material, whose mouth can be sealed by the bottle cap. The cap can incoporate an additonal and integral sealing portion for the bag, also a one-way filler opening for the bag, which can be fixed to the cap, and of elastic material. ADVANTAGE - Simple, fast and clean to use, and reduces storage, transport and sales costs.
Patent DE-4135445-A1 (DE)
Inventor: FRENZEL JUERGEN DIPL ING
IPC: B61B1/02
Filed: 1991-10-23
Abstract: A railway station platform edge is made of precast concrete parts arranged next to each other, secured against sliding sideways and supported on punctual, spaced apart stays. The precast concrete parts may be provided with an undercut at the outer edge of the platforms, as well as with recesses for ducts and draining channels. The platform can have any height; one or several parallel recesses for ducts may be arranged, or cable ducts and passages may be integrated for laying cables and sewage connections.
Patent DE-4138440-A1 (DE)
Title: Laundry dryer - has drive motor and radial ventilator to reduce heating when drum is not full
Inventor: KLUG HANS-JOACHIM DIPL ING
IPC: D06F58/48
Filed: 1991-11-22
Abstract: Laundry dryer incorporates a rotating drum driven by drive motor, which also reversibly drives a radial ventilator. The ventilator transports air flowing past a heating body through the drum. When the drum is not loaded fully, the drying process is carried out with a reduced heating performance and a reduced amt. of air. During this process, the duration of the counter rotation direction of the radial ventilator has a ratio of 20:1-30:1 in relation to the duration of the main rotation direction. ADVANTAGE - Reduces prim. energy consumption in the drying process.
Patent DE-4140229-A1 (DE)
Title: Braking system for video- or digital audio tape recorder - has CAM actuator to move linkage to control tape and elastic element for actuating feed spool brake
Inventor: PARK IL MO
IPC: G11B15/18
Filed: 1991-12-06
Abstract: The feed spool (1) of the recorder has a braking band (5) looped around a cylindrical section and one end is attached to the tape tensioning lever (4). This connects with an actuator block (20) that responds to the displacement of a link (23). The link acts as a follower to a cam disc (21) with a profiled track (22). A lower bar (10) with spring bias (13) provides a brake locking (11) operation. ADVANTAGE - Simple construction using single brake on feed spool to maintain tension in tape during threading and avoid damage to tape.
Patent DE-4143291-A1 (DE)
Title: Underground high pressure gas production - by injecting gas/powder mixes and using gas produced from their interaction for various purposes
Inventor: GUDEHUS GERD PROF DR ING
IPC: B09C1/00
Filed: 1991-11-27
Abstract: A mixture of gas and powder is introduced into underground formations and the gas produced from their reaction is contained by sealing the shaft. The gas ducts are installed using boring, vibration, pressure or rotation to drive them into the ground.The selected mixture of gas and powder can be compressed continuously or intermittently. ADVANTAGE/USE - For forming underground caverns, drainage or strata, support of weak layers etc.
Patent DE-4201738-A1 (DE)
Title: Heating stove with air supply regulator - has secondary air system formed by opening in upper combustion chamber and air deflector on bottom
Inventor: RIENER KARL
IPC: F24B5/02
Filed: 1992-01-23
Abstract: The heating stove (1) with an air supply regulator has a combustion chamber (2), in the upper part of which are outlets connected to a secondary air channel near the upper edge (20) of a door opening (21). Near the lower edge of the door opening (29) is an air conductor (30). The conductor comprises a partition (42) at a distance from the inside of the door and extending towards the top edge (20) of the door opening (21). An air conducting channel (31) is formed between the inside of the door and the partition (42), the ends (39,40) of which are open to the combustion chamber. USE/ADVANTAGE - Has a good combustion process and good economy. Output of harmful substances is minimised.
Patent DE-4203176-A1 (DE)
Title: Channel selection circuit esp. for telecommunication satellite - has ring of switches interconnected with bridging by one out of every two four-position rotary switches
Inventor: RUFF GUENTER DIPL ING
IPC: H01P1/12
Filed: 1992-02-05
Abstract: The circuit establishes k connections free from branching and combination between m inputs and n outputs with four-position waveguide switches. Opposite connection points are linked together in two positions, and adjacent connection points in the other two. Adjacent switches in the ring are linked by their opposite connection points, every second switch serving as a bridge. All unoccupied connection points within the ring are linked to the inputs, and all outside the ring to the outputs, or vice versa. USE/ADVANTAGE - In special instance of pure redundancy circuit, more transponder channels can be operated with less additional circuit complexity and without exceeding definite lower level of attenuation.
Patent DE-4203631-A1 (DE)
Inventor: KRUG THOMAS DR
IPC: C23C14/56
Filed: 1992-02-08
Abstract: The invention relates to a method for the aftertreatment of an oxide coating, and specifically an SiOx coating on a synthetic film. In this aftertreatment the oxide coating is exposed to a plasma whose particles effect positive changes of the oxide coating.
Patent DE-4207658-A1 (DE)
Title: Adjustable rear spoiler for automobile - uses kinematic additive transmission for extending and holding linkage from electromotors to deployed horizontal spoiler panel
Inventor: MEHREN HERBERT
IPC: B62D37/02
Filed: 1992-03-11
Abstract: The external surface (K) of the spoiler incorporates an aerodynamic shaping element (1) which in its inactive position rests flush with the horizontal upper body surface. To vary the air resistance this element is raised by means of a rocker arm (2) pivoted about its bearing (L1) by a linkage (31-33) having a common pivot (L2) with a chain of levers (3-5). Two electromotors (M1, M2) act on the rocker arm and linkage respectively to raise the former into a nearly vertical position whereby the element is deployed above and beyond the vehicle tail. Its extreme position is defined by a stop (A2) engaging a notch (23) in the rocker arm. ADVANTAGE - The effective position of the aerodynamic spoiler can be adapted to different road speeds or other variables.
Patent DE-4207680-A1 (DE)
Title: Goods display stand of foldable material - consists of rectangular sectioned plinth and sleeve shaped container, with top opening, in container, and bottom holes in container and plinth
Inventor: GUETHOFF HANS
IPC: A47F5/11
Filed: 1992-03-11
Abstract: The goods display stand is made from polygonal sectioned foldable material. The stand consists of a rectangular sectioned plinth (1) of heavy, strong material, closed at the top, and over which is inverted a rectangular sectioned sleeve shaped container (2). The plinth lid (11) and the top opening (21) in the container slant towards the removal side, esp. at the same angle. The replaceable plinth height (HS) depends on the size and quantity of goods, and the container height (HA) is constant. The bottom of the plinth and container has at least one cavity each (12,22,13,23) flush with each other for inserting a fork lift truck fork. At least one container side has a strip (26) extending the highest side (24) behind the top edge, and bearing an advertisement board (3). USE/ADVANTAGE - Stable display stand can be folded flat for transport.
Patent DE-4208239-A1 (DE)
Title: Coke-fired shaft furnace start=up process - avoids emissions and irregular furnace heating
Inventor: ZEISEL PETER
IPC: F27B1/00
Filed: 1992-03-14
Abstract: (A) Start-up of a coke-fired shaft furnace (1) equipped with a filter unit (2) lis carried out by: (a) charging the cold furnace with a limestone and coke charge; (b) heating the charge to the coke ignition temp. by supplying hot air (13) while the furance throat (4) is closed; (c) supplying combustion air (6) when the coke has ignited; (d) feeding the combustion off-gas to an air preheater (8), in which the off-gas is heated and its oxidisable components are post-combusted, before the off-gas is discharged through the filter unit (2), and (e) after furance operation has stabilised, switching off the air preheater (8) and then supplying the off-gas directly to the filter unit (2). (B) Equipment for carrying out the above process is also claimed. The cold furnace (1) is pref. charged with a lower limestone layer which extends up to the furnace bustle pipe (9) level and which supports an upper charge layer of limestone and coke. The hot air and comubstion air (6) are supplied separately, the hot air being supplied by the bustle pipe (9) and injection openings located above the combustion air supply (6). The waste air is discharged, via a chimney (15) preceding the filter unit (2), until combustion begins. The temp. of the hot air used to heat the limestone and coke charge is pref. increased in steps. ADVANTAGE - The process provides emission-free careful heating of the furnace and coke ignition with a closed furnace throat, without the use of wood.