baber/WOPTO huggingface dataset:
Patent DE-3908352-A1 (DE)
Title: Fluid friction clutch
Inventor: KWOKA GEORG
IPC: F16D35/00
Filed: 1989-03-15
Abstract: The invention relates to a fluid friction clutch 1 which is subdivided into two chambers 15, 17 by a piston 16 displaceable in the housing 2, of which one chamber is occupied by outer discs 12 and inner discs 13, while the other chamber receives a conveyor worm 25 which is displaceable but rotationally fixed on the hub 8. The conveyor worm 25 can be transferred, depending on whether the hub 8 to which it is connected in terms of torque constitutes the driving and quicker-running part in relation to the housing 2, into a position admitting fluid to the piston 16 and a pressure-relieving position. Depending on which of these positions the conveyor worm 25 assumes, a torque can be transmitted or, alternatively, the fluid friction clutch 1 can be transferred into a virtually disengaged position. As a result, the controllability of the fluid friction clutch 1 in the sense of a self-regulating effect is achieved, depending on from which side a rotational movement is initiated. <IMAGE>
Patent DE-3910685-A1 (DE)
Title: Circuit arrangement for damping a flyback converter
Inventor: GLASER WOLFGANG DIPL ING
IPC: H02M3/335
Filed: 1989-04-03
Abstract: In order to suppress interfering decay processes in the case of a flyback converter working in intermittent operation, a damping circuit is provided which short-circuits a winding (N3) of the storage inductor (TR) after the end of the demagnetisation phase and in this way ensures further storage of the residual energy contained in the core of the storage inductor at the end of the demagnetisation phase until the next supply phase. The damping circuit consists, in the simplest case, of a semiconductor switch (S2) which is driven with the circuit (ST) controlling the primary-side switch (S1) of the flyback converter. Delay circuits (INV, R2, C2) in the control lines of the primary-side switch (S1) and of the semiconductor switch (S2) of the damping circuit prevent the two switches from being switched on simultaneously. <IMAGE>
Patent DE-3913219-A1 (DE)
Inventor: MAENO HIDESHI
IPC: G01R31/28
Filed: 1989-04-21
Abstract: A semiconductor integrated circuit for use in, for example, computers, electronic control systems and the like, is provided. The integrated circuit contains a plurality of tested circuits which need be tested, prior to actual use, as to whether they can perform their assigned logic functions. A pair of shift registers are connected to the input and output of each tested circuit, respectively. An externally applied selection signal selects only one pair of shift registers at a time so that a particular tested circuit is specified and the application of a test signal and the derivation of a test result to and from the specified tested circuit become possible. The structure and testing method enables reduction of the number of clock signals required for testing and, hence, the number of clock signal input terminals on the integrated circuit.
Patent DE-3919041-A1 (DE)
Inventor: KOLLMEIER HELMUT
IPC: B60T13/58
Filed: 1989-06-10
Abstract: Instead of the overrun brakes customarily used to brake a trailer connected to a towing unit, in which the braking force acts after a delay, a dual-circuit brake system acts immediately on the wheels of the trailer and ensures reliable braking of the trailer even if one of the brake circuits fails. To this end, an auxiliary brake system for a single-axle trailer is associated with a separate brake fluid circuit and connected to the dual-circuit brake system of a passenger car by a double non-return valve (6). The double non-return valve is connected on each side to one of the two brake system circuits and associated with the dual-circuit brake system for the rear axle (9) of the towing unit.
Patent DE-3919200-A1 (DE)
Title: Support mounting for stage or studio spotlight - has ring provided by U=shaped hoop and pivoted clip secured to carrier rail
Inventor: EISENBERG HANS JOCHEN
IPC: F21V21/112
Filed: 1989-06-13
Abstract: The lamp support mounting allows a spotlight to be attached to a carrier rail using a mounting ring (1) attached to the side of the carrier rail, one side of which is provided by a pivoted latch (2). The fixing (8) for the spotlight is attached to the base of the mounting ring (1). The latter comprises a rectangular frame with three sides formed by a U-shaped hoop (4). The latch (2) is pivoted to the end of one of its arms. The retaining clip (12) for the latch (2) is attached to the end of the opposite arm. ADVANTAGE - Ensures absolute safety.
Patent DE-3923074-A1 (DE)
Title: Thread cutting-off device for a standard sewing machine
Inventor: TAKEUCHI MASARU
IPC: D05B65/02
Filed: 1989-07-13
Abstract: A thread cutting-off device for a standard sewing machine comprises a housing provided with a needle plate, the needle plate having a needle hole. A horizontally rotating shuttle is accommodated in the housing. Provided underneath the needle plate are fixed and movable knife blades which are assigned a drive mechanism in such a way that the threads can be severed at a minimum distance between the needle hole and the shuttle.
Patent DE-3925122-A1 (DE)
Title: Connector plug for multi-wire round cable - has terminal elements for respective wires located in slots around edge of circular disc
Inventor: JOAS WILHELM
IPC: H01R24/38
Filed: 1989-07-28
Abstract: The connector plug for a multi-wire round cable includes a disc (1) provided around its periphery with a number of spaced slots.  These provide reception chambers (4) for the terminal elements (5) attached to the ends of the respective cable wires (7,8,9). Pref. several discs (1,2,3) lie axially one behind the other, their peripheral slots receiving terminal elements (5) for a number of concentric sets of cable wires, with the dia. of the successive discs being progressively reduced.  Pref. each terminal element (5) has cooperating knife clamp edges for gripping the respective cable wire. ADVANTAGE - Simple identification of respective cable wires.
Patent DE-3929767-A1 (DE)
Title: Injection system for continuous casting machines - in which flow of molten metal to casting nozzle is regulated reducing risk of forming surface waves in nozzle
Inventor: THOERNER HANS-OTTO
IPC: B22D11/10
Filed: 1989-09-07
Abstract: Molten metal is brought to the casting nozzle from an intermediate vessel through two pipes which are fitted to the intermediate vessel at an axial distance from each other greater than 200 mm and less than the distance between the longer side walls of the nozzle measured at the end point of the pipes. The main molten metal outlet openings are arranged on opposite sides of the pipes. Molten metal outlet slots are provided facing the shorter side walls of the nozzle, and having a width which is not greater than half the width of these shorter side walls. The main outlet openings may be of different shapes and may be vertically offset from each other. The greatest width of the molten metal injection area of the nozzle lies centrally between the two injection pipes. Each of the pipes may be connected to a separate intermediate vessel, and the system is intended for casting steel bars 20-60 mm thick at a speed of at least 6 m per minute. USE/ADVANTAGE - Device is used in continuous casting machines for producing steel bars and other shapes. The flow of molten metal into the casting nozzle is regulated so that the formation of waves on the metal surface and the drawing of surface scale formed is avoided, to give a prod. of uniform structure and good surface qualtiy. In partic., greater volumetric flow rates of metal can be used successfully without increasing the velocity of the molten metal.
Patent DE-3938482-A1 (DE)
Title: Scoop for catching dog excrement - incorporates automatic bag release mechanism
Inventor: SNIPPE WALTER
IPC: A01K23/00
Filed: 1989-11-20
Abstract: The device is used for catching dog excrement in a bag. It has an automatic bag release, and has a roll ring (5) attached on a handle (4) and angled by up to 45 deg. (It can also be installed straight). On its lower open side the ring can be round, slotted, teardrop-shaped or with a ridge, and on its upper side it can be rounded off or smoothly disk-like, and can be oval or angular in shape. The bag (8) is released by pulling the small ring (1) via a cord (2) which releases the loop ring (6) thus releasing the bag. USE/ADVANTAGE - Enables the dog-handler to catch the excrement directly, and dispose of it into a bin without having to touch the filled bag.
Patent DE-4008704-A1 (DE)
Title: Control for vehicle transmission - uses wheel position sensor to adjust engine output
Inventor: NAUMANN FRITZ DR ING
IPC: B60K28/10
Filed: 1990-03-17
Abstract: The transmission has a driven shaft in which the circuit (50,56,58) reduces the max. drive moment at the steering linkages (16,18) on exceeding a bending angle. The steering drive (36) of the vehicle (12) has a sensor (58) connected to a control unit (56) to control the engine (10) in the sense of an output reduction. ADVANTAGE - Arrangement which improves the operating safety of a vehicle steering.
Patent DE-4013529-A1 (DE)
Inventor: RANGE HELMUT DIPL ING
IPC: H01R25/14
Filed: 1990-04-27
Abstract: A busbar, having two conductors which are arranged on different sides and can be tapped from the outside, has a transparent, insulating supporting body. The supporting body consists of glass. 
<IMAGE>
Patent DE-4020597-A1 (DE)
Title: Machine for making spectacle lenses - has pattern of lens moved over tip of fixed stylus
Inventor: MARCHIAFAVA GUIDO
IPC: B24B9/14
Filed: 1990-06-28
Abstract: A machine for shaping, profiling and bevelling lenses made from organic material has a hollow vertical spindle (3) which can be rotated about its vertical axis. The lower end of this spindle has a shaft (1b) to which a pattern of the required lens is attached. This shaft is driven by a motor (2) so that the pattern (1) is moved over the tip of a fixed stylus (5). The shaft passes through the hollow spindle and carries a pulley which drives a belt which drives the upper shafts (6a,6b). The lenses are attached to these shafts and are rotated as the pass over fixed position rotating tools (9a,9b) which shape the lenses to the pattern (1).
Patent DE-4024776-A1 (DE)
Title: Reciprocating yarn guide - has two independent slides in spiral drive groove to give constant speed at changeover points without thickened winding zones
Inventor: TAUBERT RAINER
IPC: B65H54/28
Filed: 1990-08-04
Abstract: The reciprocating yarn guide, for winding yarn on bobbins using a spiral-grooved spindle to move the guide to and fro, has two independent yarn slides (5,6) in the groove of the spindle (1), with an angular displacement between them, in constant contact with the yarn. The lower leading slide (5) has a yarn guide (7) with a widened slit, and the upper slide (6) has a yarn guide (9) on a projecting jib (8). Each slide is guided between tensed wires (10'). Pref., the gap between the two slides is an angle of 30-90 deg., pref. 45 deg. The extended yarn guidee (9) is at the bent end of the jib (8), at right angles to the slide axis, and both guides take up the same position to the yarn except at the change-over points. The width of the slit at the leading guide (7) is about three times the length of the acceleration path at the change-over zone of the groove. Both yarn slides are in a one-piece construction of a tough beating-resistant plastics, such as polyamide. ADVANTAGE - The yarn maintains a constant speed at the change-over points at the ends of the stroke, without acceleration or braking, to prevent thickened winding zones at the  bobbin ends.
Patent DE-4025868-A1 (DE)
Title: IC engine compression piston ring - has recess in joint area only and remainder of ring is plain
Inventor: MICHEL HANS-ALBERT DIPL ING
IPC: F16J9/12
Filed: 1990-08-16
Abstract: The compression piston ring is for the first piston groove in an IC engine.  It has an axial cut forming a joint, and a recess in the top edge of the ring. The recess (2) is located in the joint area only.  The base surface (4) formed by the recess, extends parallel to the top ring edge (3), and ends in the joint face (5).  The recess has an axial depth of min. 0.1 mm. USE - Compression piston ring for IC engine.
Patent DE-4032297-A1 (DE)
Title: Acceleration sensing switch for operating airbag - has mercury element displaced by acceleration force to bridge contacts
Inventor: TANAKA HIROSHI
IPC: H01H29/00
Filed: 1990-10-11
Abstract: An acceleration sensitive switch is used to operate an airbag system in a road vehicle. The switch is in the form of a ball of mercury (2) located within a sealed housing (1) that is set at angle to the chassis (5a). At the opposite end of the chamber are a pair of electrodes, which are bridged by the mercury when the accelerating force is high enough. Located beneath the unit is a small heating element (4) with coils (8) that maintain the temperature above the level to ensure that the mercury remains in the liquid state. ADVANTAGE - Ensures switch can be used at low temperature.
Patent DE-4037945-A1 (DE)
Title: Dispenser closure piece for liq.-containers - has chamber with inlet and outlet, with slide piece in sleeve, and permanent magnet ring
Inventor: AGANSOY BESIM
IPC: B67D3/02
Filed: 1990-11-29
Abstract: The closure-piece is for dispensing liqs. from a container. It incorporates a chamber (20) which has an inlet (8, 11) on one side, and an outlet (2) on the opposite side. The chamber (20) has a slide-piece (1) operated by a control (4, 14, 13), with seal.  The slide-piece (1) moves axially in a non-magnetisable sleeve (19) joined to the chamber-wall (5) by means of radial arms (18). The chamber (20) has a permanent magnet (4) positioned in an axially movable ring enclosing the outside of the chamber. The chamber's outer wall (5) has a bottom stop-piece (14) for the outlet (2) and a top stop-piece (13) for the ring. USE/ADVANTAGE - The dispenser closure-piece for a liqa.-container is simple to produce, maintain and clean.
Patent DE-4039695-A1 (DE)
Title: Automatic piecing device on rings frames - in which auxiliary yarn is supplied at lower speed than circumferential speed of ring tube to maintain tension
Inventor: FAHRIG MICHAEL DIPL ING
IPC: D01H15/00
Filed: 1990-12-12
Abstract: In an automatic piecing up device, an auxiliary yarn (4) is fed by an ejector (5) to be entrained by a ring frame tube (6). The auxiliary yarn (4) is supplied at a lower speed than the entrainment speed on the tube (6). There is an intermediate yarn store (11) between the auxiliary yarn feed device (8) and the ejector (5). The yarn store (11) can incorporate a sensor (16) which controls the entrainment sequence. Pref. when an end break has been detected the ejector (5) is brought into position and the air supply (28) is started. Auxiliary yarn is drawn from a bobbin (3) by a feed system (8) at a slower speed than the circumferential speed of the ring tube (6) and fed via a yarn guide (12) to the ejector (5). The yarn is entrained by friction and draws down the spring (13) so that a flag (16) provides a signal to a sensor (19). The nip roll (22) is lifted to provide a few safety turns and the yarn is taken over by the rest of the piecing equipment and cut. USE/ADVANTAGE - By supplying the auxiliary yarn at a slower speed it is kept under tension throughout and the entrainment process is more effective.
Patent DE-4040734-A1 (DE)
Inventor: ECKARDT BERND DIPL ING
IPC: G21C19/317
Filed: 1990-12-19
Abstract: The invention relates to a process and a device for oxidation of hydrogen in a container (1) of a nuclear reactor using finely divided catalyst particles. The catalyst particles are sprayed in liquid or suspension form from aerosol producers (11). The aerosols formed by drying are preferably elevated in the container.
Patent DE-4041559-A1 (DE)
Title: Novel anti-cholinergic agents contg. quat. ammonium gps. - used to limit side effects of administration of opiate(s) and opioid(s)
Inventor: HERSCHEL MICHAEL DR
IPC: A61K31/485
Filed: 1990-12-22
Abstract: Anticholinergic agents contg. quaternary ammonium gps. are used for prodn. of medicament prepns. for limitation of side effects of opiates/opioids. Analgesic compsns. contg. the anticholinergic agents and an opiate/opiod are also new. The anticholinergic agent is esp. butyl(nor)scopolaminium bromide, N-methyl-scopolaminium bromide, trospium chloride or cimetropium, chloride opiate/opiod is morphine, biprenorphine, hydrocodone or heroin. USE/ADVANTAGE - The anticholinergic agents are used to prevent side effects on the peripheal and central nervous systems and in the gastrointestinal tract leading to colics. Dosage is esp. 15-25 (esp. 20) mg., i.m. or i.v.
Patent DE-4101577-A1 (DE)
Title: Transconductance amplifier, e.g. for variable limit frequency filter - has seven current mirrors and two PNP input transistors providing inverting and non=inverting inputs
Inventor: BERKNER JOERG
IPC: H03F3/45
Filed: 1991-01-21
Abstract: The transconductance amplifier with four current mirror stages contains a fifth consisting of pnp transistors with its reference port connected to positive rail, its input to the output of the first current mirror and its output with the inputs of sixth (60) and seventh (70) current mirrors which drive the second and third current mirrors respectively and whose reference ports are connected to input transistor (1,2) emitters. Two pnp input transistors (1,2) have collectors connected to negative rail and bases connected to an inverting (101) or non inverting (102) input. Wilson current mirrors can be used instead of a simple type. USE/ADVANTAGE - E.g. for filters with adjustable limit frequency or variable gain amplifiers. Linear region is extended and common mode input range including negative supply voltage is achieved.
Patent DE-4109348-A1 (DE)
Title: Dimming circuit for automatic car lamp switching - includes photodetector with optical filter for automatic lamp switching responsive to ambient brightness
Inventor: NIENHAUS BERTHOLD
IPC: B60Q1/14
Filed: 1991-03-22
Abstract: The photosensitive detector, fitted to the windscreen, converts light into electrical signals which are used in an electronic circuit to operate a relay for switching the lamps according to the variations in ambient light. Interfacing wavelengths are filtered out to maintain a defined switching point, whose sensitivity can be adjusted continuously throughout its range. The switching can also be delayed by adjustment of the switching point independently of sensitivity. USE/ADVANTAGE - For automatic can lamp dimming, with increased safety and driver's comfort.
Patent DE-4111201-A1 (DE)
Title: Hydraulic regulator for vehicle antilocking braking system - has damping chamber provided by blind bore in housing block fitted to regulator valve
Inventor: JONNER WOLF-DIETER DIPL ING
IPC: B60T17/00
Filed: 1991-04-06
Abstract: The hydraulic regulator is inserted in the brake line (4) between the master braking cylinder (1), coupled to the brake pedal (2) and a wheel braking cylinder (5). It incoporates a valve (20) providing the antilocking braking regulation, and a damping chamber (8) communicating with the brake line (4) between the master braking cylinder (1) and the valve (20). The damping chamber (8) is provided by a blind bore (9) in a housing block (7), receiving a throttle insert (11), which is held in place by the valve (20) fitted to the housing block (7). ADVANTAGE - Simple mfr..
Patent DE-4114638-A1 (DE)
Title: Cupboard with lamp and door-operated safety switch - prevents overheating of top of door in half-open position within range of radiation from lamp
IPC: H05B37/02
Filed: 1991-05-04
Abstract: The cupboard mounted on a base (1) has a lower door (5), and an upper swing door (6) on whose top edge a permanent magnet (9) is mounted to operate a reed contact (8) in an overhanging portion (4) of the top of the cupboard. The contact (8) is wired to an electronic switch or transformer (10) to protect a halogen lamp (7) installed within the overhang (4) and directing light downwards into the zones swept by the door (6) as it is opened and closed. ADVANTAGE - Risk of burning due to too close proximity of lamp and door is minimised.
Patent DE-4118286-A1 (DE)
Title: Honeycomb core laminate prodn. - by prefabricating e.g. thermoplastic FRP edges and incorporating them when hot pressing core and e.g. thermoplastic FRP skins
Inventor: NEISE ECKHARD DR ING
IPC: B29D24/00
Filed: 1991-06-04
Abstract: Sandwich construction components are made in FRP, pref. using hexagon honeycombs and cover sheets. In the process edge sections are made separately. The covers, core and edge sections are laid together in accurate position in a mould. The mould, but not the edge sections are heated to fuse the covers and a suitable pressure is applied to it, and the assembly is cooled under pressure. The edges and covers are pref. made of fibre-reinforced thermoplastics. The edges (11) are prefabricated e.g. by injection moulding. The two covers (12) plus hexagon type honeycomb core (13) are then pressed together in a mould (14), with the edges (11) located outside the mould. The mould tools are heated to e.g. 180 deg. C to fuse the two covers, the edges not being heated. ADVANTAGE - The method produces edges which require no further processing.
Patent DE-4119857-A1 (DE)
Inventor: ENGELKE STEPHAN DR
IPC: C09D163/00
Filed: 1991-06-17
Abstract: The object of the present invention is a coating material containing: (A) at least one acrylate copolymer A) containing carboxyl groups obtainable by solution polymerisation using less than 5 wt. % in relation to the total weight of the monomers used to produce the copolymer (A) of one or more polysiloxane macromonomers a1 with a number average molecular weight of 1000 to 40000 and an average of 0.5 to 2.5 ethylenically unsaturated double bonds per molecule; and/or B) at least one acrylate copolymer (B) containing epoxy groups obtainable by solution polymerisation using less than 5 wt. %, related to the total weight of the monomers used to produce the copolymer (B) of one or more polysiloxane macromonomers a1 and a number average molecular weight of 1000 to 40000 and an average of 0.5 to 2.5 ethylenically unsaturated double bonds per molecule; C) possibly one or more further addition and/or condensation resins containing carboxyl groups; and D) possibly one or more other epoxy resins.
Patent DE-4130512-A1 (DE)
Title: Signal gain and offset compensation appts. for electrical measurement signals, esp. for engine induction - uses operational amplifier with variable reference voltage and variable resistance to earth
Inventor: LIEDTKE GUENTER DIPL ING
IPC: G08C13/00
Filed: 1991-09-13
Abstract: The compensation appts. includes an operational amplifier (10) with its positive input connected to a measurement signal source. Its negative input is connected via three resistances (R1, R2, R3) to a reference voltage source (20), the amplifier output and electrical earth. Compensation is achieved by varying one resistance (R3). The reference voltage source provides a variable reference voltage which is altered exclusively to influence the signal offset. The first two resistances are fixed and the third is adjustable exclusively to vary the signal gain. USE/ADVANTAGE - Esp. for measuring air flow in internal combustion engine induction system. Independent and rapid compensation of gain and offset.