baber/WOPTO huggingface dataset:
Patent DE-4016161-A1 (DE)
Title: Valve activating gear for IC engine - has valve springs made from synthetic resin which act as torsion springs
Inventor: KORINTH JUERGEN
IPC: F01L1/18
Filed: 1990-05-19
Abstract: The valve spring (6) is made from a synthetic material such as glass fibre or carbon fibre reinforced epoxy or phenolic resin, or a high performance thermoplastic. It is designed to act as a torsion spring and moves the lift-valve in its end position. The spring can be built in with a rocker arm. The rocker arm can have a plastic drive connector. ADVANTAGE - Provides the tension required with far less weight.
Patent DE-4016587-A1 (DE)
Title: Switchable day-and-night vision appts. - has optical compensating system with front lens elements offsetting image and with rear elements for chromatic correction
IPC: G02B13/16
Filed: 1990-05-23
Abstract: A day or night time vision appts. for use in target range finding, etc. in weapon systems can be switched over between the two modes of operation. The viewing lens system (1-20) has a variable aperture (BL) that regulates the input to the image intensifier tube (BR) with a rotatable housing (HE). The glass thickness of the elements in front of the tube is determined by a given optical equation. ADVANTAGE - Avoids colour errors between day and night time change-over. @(7pp Dw'.Ng ---- - ------- --. The outer, horizontal regions are used for the 4/3 format together with the central region of n x p motifs, while the vertical regions are used similarly for the 16/9 format. The diagonals of the surfaces of matrices used for both formats are almost equally long. USE/ADVANTAGE - For HDTV cameras, with automatic correction and convergence geometry, and improved function.
Patent DE-4017026-A1 (DE)
Title: Centrifugal fertiliser spreader with frame and hopper
Inventor: DREYER HEINZ DIPL ING DR
IPC: A01C17/00
Filed: 1990-05-26
Abstract: The centrifugal fertiliser spreader has driven rotary scatter discs with impeller blades below the feed hopper.  Interchangeable blades (77) are provided for at least one disc (6) to give a steeply-falling scatter pattern in place of the flat one provided by the blades normally used. The blades are secured to the disc by a quick-acting lock for simple exchange. Pref. the blades are mounted at a swivel angle.
Patent DE-4024395-A1 (DE)
Title: End windings mounting - on insulating ring with groove fixed by traverses to stator packet
Inventor: JAEGER KURT
IPC: H02K3/50
Filed: 1990-08-01
Abstract: The end windings (1,2,3,4) of the stator winding of a dynamo-electric machine have inner (2,3) and outer (1,4) layers which are mechanically and electricaly joined to each other at the axially outside end. They are supported by a ring (14) of insulating material (glass fibre reinforced plastic material) fixed by bolts (15) to axial tranverses (11) on the front end of the stator packet of stampings (5). A peripheral groove (16) encloses the ends of the windings, embedded in an elastic casting cpd. on the basis of silicone rubber (16). Plastic-impregnated glass fibre cords (13) tie the conductor bars (1-4) to the traverses (11). ADVANTAGE - This mounting is easy to produce and permits a non-destructive dismantling of the end windings.
Patent DE-4032194-A1 (DE)
Inventor: DALFERTH HANS DIPL ING
IPC: B65G19/24
Filed: 1990-10-08
Abstract: In the device disclosed for connecting a conveyor unit to a link (3) of a round steel chain, two connector elements (6, 7) are used which have large base surfaces (8) facing the back (4) of the conveyor unit. The two connector elements (6, 7) are located on opposite sides of the plane (19) running through the centres of the parallel sides (16, 18) of the link (3) to which the connector elements are attached. The two connector elements (6, 7) are joined to each other by a screw connector (10, 12). Only one (6) of the connector elements is attached to the conveyor unit.
Patent DE-4034450-A1 (DE)
Title: Gas plasma generator for welding an coating etc. - has linearly-polarised microwaves converted into circular waves using mode converter coupled via round and horn waveguides to plasma chamber
Inventor: GESCHE ROLAND DR
IPC: H05H1/46
Filed: 1990-10-30
Abstract: The arrangement has a microwave oscillator (17), a mode converter (12) and a plasma chamber (1,21). The mode converter converts linearly polarised microwaves into circularly polarised waves, whereby the H11-fundamental wave propagates by preference. A cylindrical horn waveguide (10) has its input directly or indirectly connected to the mode converter and its output connected to the plasma chamber. A round waveguide (11) in which the H11-wave propagates is located between the mode converter and the horn waveguide. The horn waveguide is conical and smooth or corrugated. The plasma (70) is exposed to a static magnetic field of given intensity directed at right angles to the electric field of the electromagnetic waves. Several magnets (6,7) lie around the plasma chamber. ADVANTAGE - Large plasma volume.
Patent DE-4040240-A1 (DE)
Title: Power transmission with angled extension lever - has crank arm, gear wheels, and chain, cable pulley, two levers and deflector rollers
Inventor: WEYLER HANS-PETER
IPC: F16H19/00
Filed: 1990-12-15
Abstract: The power-transmission arrangement incorporates an angled, extension-lever (10) attached to the free end (9) of a crank-arm (3, 4), and cog-wheels (2) rotating on a centre-point, and chain (6). The angled lever (10) has two levers (11, 12) rigidly interconnected at right angles to each other. The lever (12) on which force is not exerted is connected by a cable-pulley (14) leading over a system of deflector-rollers (16-19) to a second crank-arm (4) positioned as an extension to the crank-arm (3). The non-stressed lever (12) is, preferably 10 percent, shorter than the other lever (1). ADVANTAGE - The combined lever-arrangement gives optimum power transmission and use.
Patent DE-4040862-A1 (DE)
Title: Floating tool holder for reamers etc. - has floating member constrained by system of pre-loaded radial and axial coil springs
IPC: B23B31/08
Filed: 1990-12-20
Abstract: The toolholder has a floating member (3) with a bore for the reamer shank, a main body (2) with a shank (5) to enter a machine tool spindle and an end cover (38). The spigot end (28) of the floating members has clearance space in the bore (10) of the body and is forced against a helical spring (43) by the end cover and seal (38, 46). Spaced in a circle on the underside of the collar (27) of the floating member are pins (37) which enter matching stepped clearance holes (19) in the end face of the body. Over the pins are compressed coil springs (47) providing adial and anagular constraint to the floating members. Lateral constraint is provided by radial springs (51). Stiffness can be varied by adjustment of screw plug (12) and grub screws (52). ADVANTAGE - Large offsets can be accommodated. Mechanically stable constrains of floating members. Simple, robust design made up of easily producable axi-symmetric parts.
Patent DE-4040979-A1 (DE)
Title: Supporting structure for car body - has support connections to lift passenger cell during frontal collision
Inventor: ENNING NORBERT DIPL ING
IPC: B62D21/15
Filed: 1990-12-20
Abstract: The structure has two horizontal front side longitudinal struts, arranged to crumple during frontal collision; a sill, located below each strut, a front door post, with support connection between front sill end and rear strut end; and a support connection between front strut and the centre of the door post, near the window edge. The connection between strut (3) and door post (9) is formed as an articulated lever arrangement. A stable lever support (13), which is not deformable during frontal collision, is fastened (4) to the rear end of the front strut, fastened (14) to the centre of the door post. The connection (5) between front sill end (6) and strut is less stable than the support, and is deformed during frontal collision.
Patent DE-4103172-A1 (DE)
Title: Sepg. metals from rocks and deposits, etc. - by pressure feed of ground material with solvent and carrier gas to an eddy chamber
Inventor: MUELLER ALEXANDER
IPC: C22B3/04
Filed: 1991-02-02
Abstract: To free metals from rocks and deposits, slurries or fluid deposits or ashes, the material contg. metal is ground to a powder which is sprayed together with a solvent and carrier gas stream. The separate components of the whole stream are eddied internally with each other. The mixture stream has a number of carrier streams, or a carrier stream is formed by a number of mixture streams. The mixture streams is formed by overpressure. Solvent is fed to the carrier stream and/or the total stream, using underpressure for the solvent. A housing, with an eddy chamber (112) has at least one feed channel (114) and an outlet opening. The feed channel (114) works with a high pressure pump to force the powder contained in the metal, and a gas medium, in a stream through the feed channel (114) under pressure into the chamber (112). The channel opening at least at the feed channel (114) has a jet action. At least two feed channels (114) are diametrically opposed to each other so the flow of metal containing powder beats against an opposing stream. The channels are curved before their openings. At least one feed channel (114) has a number of part channels (116,120,122) so that at least one channel part (120) carries the mixture (128) with the powder, and at least one channel part (116) carries a gas medium, and at least one other part channel (122) carries additional solvent (131). ADVANTAGE - The oxidn. through a gas medium reduces operating costs.l
Patent DE-4106063-A1 (DE)
Inventor: FREMEREY JOHANN K
IPC: F16C32/04
Filed: 1991-02-27
Abstract: The invention concerns a magnetic-bearing cell (1) of rotationally symmetrical construction which includes a rotor (2) with two permanent ring magnets (5, 6) and a stator (3) with a damping disc (27) projecting into the gap (26) between the permanent ring magnets (5, 6) of the rotor (2). In order to increase the radial rigidity of the cell, the invention proposes that an additional permanent ring magnet (7) is attached to the shaft (4), so that a gap (31) is formed between the additional magnet and the neighbouring magnet, and that a ring disc (32) attached to the stator (3) projects into this gap (31), the ring disc (32) carrying, in the vicinity of the rotating permanent ring magnets (6, 7) on the rotor (2), a longitudinally magnetized stator permanent ring magnet (33).
Patent DE-4114878-A1 (DE)
Title: Optical structure-zonal fourier analysis system - has long duration stable high classification probability and compensates fluctuation and drifter tendencies in measurement values
Inventor: THORWIRTH GUENTER
IPC: G06V10/88
Filed: 1991-05-07
Abstract: The system has light unit with a linear, polarising element (2) connected to it, the polarisation direction of which can be changed over. As object receiver, a picture converter (3) with an untwisted, nematic liq. crystal layer (31) is available, whereby the liq. crystal molecules are planar orientated, and in a suitable manner are variably influenced by outer pictorial charge accumulations. The polarisation direction of the polarising element (2), in order to achieve a standardising value in the receiver (5), is directed vertically to the director direction of the liq. crystal layer (31) of the picture converter (3). To produce the structure zonal measurement values in the receiver (5), the polarisation direction is at an angle to the director direction which deviates from the vertical position. The picture converter (3) is of the optically addressable type, and carries an object scene picked up by a camera lens, whereby to carry out the Fourier analysis it can be read in reflection and the reflected light is passed to the receiver (5) via a radiation divider. USE/ADVANTAGE - For intelligent sensors in robots, quickly control and sorting processes compensates for fluctuations and drifter tendencies in measurement values in optical structure zone Fourier analysis, in order to achieve acceptable classification probability.
Patent DE-4122900-A1 (DE)
Title: Hinged lid cigarette packet - has internal protrusions on walls forming positioning stops for internal collar
Inventor: FOCKE HEINZ
IPC: B65D85/10
Filed: 1991-07-11
Abstract: The cigarette-packet of thin cardboard has a lid hinging on its rear wall and an internal collar at the top, bearing against its front and side walls.On the inside of the side walls (18) are protrusions (37) forming stops for the collar edge, so as to position it accurately. These can be formed by stamping or embossing, typically so as to leave holes of inverted -U shape. Two such protrusions, alongside each other, can be formed at each position. ADVANTAGE - Accurately positions collar without affecting outward appearance of packet.
Patent DE-4130766-A1 (DE)
Title: Digital electronic adder and subtractor circuit - has one adder and two subtractors, and stores normal and contra-subtraction results in two shift registers
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1991-09-16
Abstract: The arithmetic circuit includes a four line binary code adder (4), and two four line binary code subtractors (5,6), operated in parallel. One subtractor (5) forms the normal subtraction result and the other (6) a contra-subtraction result. Results are entered into two shift registers (3a, 3b) operating at the same clock rate. Inputs and outputs are in the form of a 5211 code. ADVANTAGE - Simple control with small number of clock pulses.
Patent DE-4131052-A1 (DE)
Inventor: HENZE WERNER
IPC: H04B7/00
Filed: 1991-09-18
Abstract: In a device for controlling a communication device, preferably a car radio, it is provided that a microcomputer interrogates the respective state of actuation of operating controls and controls actuators which influence the respective function of the device, that in a memory a table (F1) is stored which contains starting information of program modules for controlling the actuators for all possible operating states, one operating state in each case being given by a setting of the actuators and by a state of actuation of the operating controls, that the actuation of an operating control triggers a search process in the table in which the operating states listed in the table (F1) are compared with the actual operating state, that after the search process has been completed, the starting information is taken from the table and that one or a number of program modules are executed using the starting information. <IMAGE>
Patent DE-4136229-A1 (DE)
Title: Sealing system for powered vehicles esp. cars, air and water vehicles - comprising lipped sealing strips or zigzags fixed to vehicle door preventing ingress of dust noise, air and wet
Inventor: APPELRATH HELMUT
IPC: B60J10/20
Filed: 1991-11-02
Abstract: The sealing system comprises the convolution or strips (I) with one or more sealing lips, which are round, angular, triangular, rectangular, quadratic, oval spherical or cone shaped, prismatic or polygonal. (I) are made of silicone rubber, an elastomer or other sealing material. The seal has an inner reinforcment, e.g. a metal or plastic-type reinforcement, and laterally has a U-shaped fixture tab. Beneath or above, on one or two sides, the seal is connected with a plastic or metal strip. It is provided with a decoration, so that as a design strip, it fulfils an additional optical function. USE/ADVANTAGE - To seal a door and other apertures in vehicles of all kinds against the entry of all manner of harmful substances.
Patent DE-4136382-A1 (DE)
Title: Electrical short stroke push button for opening vehicle doors - has main body inserted in panel aperture and retained by moulded flexible insert secured by clamping ring
IPC: H02B1/044
Filed: 1991-11-05
Abstract: The push button has a main housing (3) in which switching elements are housed. The button housing is formed through an aperture within a wall (1) and retained by a moulded inset (12) of an elastic material. Another ring of elastic material (11) is set into the flange section on the other side of the wall, and a cover disc (7) with an actuator surface (8) form the button front. At the rear of the unit is a ring shaped retaining ring (13) and cover (5). The ring clips into position to retain the assembly by maintaining an axial load. ADVANTAGE - Simple to install for different wall thicknesses.
Patent DE-4138210-A1 (DE)
Title: Crank slide pin drive gear for converting to and fro motion -  has parallelogram channel guide in steep plane
Inventor: SCHAD ANTON
IPC: F01B9/02
Filed: 1991-11-21
Abstract: The crank slide pin drive gearing for converting to and fro motion into rotary motion and vice versa has a slide pin (3) gliding and guided on the crank lever (2) in a parallelogram or other geometrically shaped channel guide (4) during the to and fro motion so that the latter is converted into rotary motion. One or more crank channel guide plates (6) can be provided moving to and fro in a guide. The shape of the channel guide (4) or the groove in the guide plate (4) not only forms a parallelogram but can be shaped to meet individual requirements. ADVANTAGE - Improved degree of efficiency.
Patent DE-4204066-A1 (DE)
Title: Measuring appts. for determining loaded wt. of vehicle esp. trailer vehicle - has piston-cylinder unit and indicates deflection of axle using scale  proportional to loaded weight
Inventor: SCHUETT ROLF
IPC: B60P5/00
Filed: 1992-02-12
Abstract: At least one piston-cylinder unit (7) is arranged between the axel (4) and the vehicle structure (2). Measuring fluid is displaced according to the amount of deflection of the axle. The pressure cylinder (7) is connected across two lines (16a,16b) to a common pressure line (10), and this is connected at a piston-cylinder unit designed as a measuring cylinder (11). This cylinder is fitted at an adjustable loading wt. scale (12), for indicating the deflection proportional to the loading wt. ADVANTAGE - Continuously indicates loading wt. Uncomplicated and robust in construction. Gives long operating periods without service and can be adjusted and calibrated.
Patent DE-4206409-A1 (DE)
Title: Pipework cleaning vehicle with hydraulic pump - which operates a pressure converter to pressurise water along hose to cleaning head inserted in pipes.
Inventor: MUELLER WOLFGANG
IPC: B08B9/053
Filed: 1992-02-29
Abstract: The cleaning water is held in a storage tank (1) mounted on the vehicle. A pair of hydraulically driven pistons (5) are linked by rods to a matching pair of pistons (3,4) which alternatively draw water from the tank and then pressurize it down a supply hose (6). The hose is introduced into pipe work (11) and has a spray attachment (9). USE/ADVANTAGE - For cleaning pipework. Use of hydraulic pump reduces pipe sensitivity to foreign objects in water and reduces sound output of pump.
Patent DE-4210024-A1 (DE)
Title: Separation device for stacked printing sheets for copier machine - uses lifting tool with suction feet incorporated in flexible suction plate with upwards curved side edges
Inventor: GUENTHER ALFONS
IPC: B65H3/08
Filed: 1992-03-27
Abstract: The separation device removes the top sheet from a stack using a lifting tool having a number of suction feet (5) in the same format as the printing sheets. The suction feet which cooperate with the edge of the printing sheet and those cooperating with the centre of the sheet are relatively height adjustable w.r.t. the common suction plane. Pref. the suction feet (5) are contained in a flexible suction plate (4) which can be curved upwards at 2 opposing edges, to lift the suction feet cooperating with the sheet edge relative to those cooperating with the sheet centre. ADVANTAGE - Reliable removal of single sheet from top of printing sheet stack.
Patent DE-4214984-A1 (DE)
Title: Logic circuit with four outputs for asynchronous switching - has four complementary FETs serving as precharging as well as charging and evaluation transistors for edge- or state-controlled operation
Inventor: PFLEIDERER HANS-JOERG PROF DR
IPC: H03K19/096
Filed: 1992-05-06
Abstract: The input lines (I) are connected in a split-transistor-switch logic arrangement to separate n-channel and p-channel blocks (NL,PL), whose outputs (ON1,ON2,OP1,OP2) are applied selectively in pairs to a conventional evaluation circuit (AS). The gates of their respective precharging FETs (3,2) are addressed together directly by a request input (REQ) without inversion. The two additional outputs (ON2,OP2) are taken from the junctions of the respective logic blocks and their charging transistors (4,1) whose bases are also driven jointly by the request signal. ADVANTAGE - Substantial interference immunity is maintained with min. circuit complexity suited to either edge-controlled or state-controlled asynchronous logic.
Patent DE-4223027-A1 (DE)
Inventor: ROECKELEIN MICHAEL
IPC: B09B3/00
Filed: 1992-07-15
Abstract: The invention relates to a method and a device for homogenising and compacting different waste materials such as for example household refuse and/or bulk refuse and/or industrial waste and/or sewage sludge but also contaminated soils and/or similar materials. The invention is based on the object of developing a method and a device with which waste of the most varied types, in particular household refuse and/or bulk refuse and/or industrial waste and/or sewage sludge and the like as well as contaminated soils and/or similar materials can be largely homogenised, as a result of which the density of the waste materials is increased and as a result, in turn, an increase in capacity of the dump can be achieved. In the event of the different waste materials being subjected to a further thermal treatment, an improvement in the degree of burning and a homogenisation of the combustion process is achieved. <IMAGE>
Patent DE-4229655-A1 (DE)
Title: Alkanoyl-and arenoyl-aminoethyl and propyl betaine ester salts - used as microbicides and agents for revitalising hair and textiles and imparting antistatic properties
Inventor: MOELLER HINRICH DR
IPC: C11D1/62
Filed: 1992-09-04
Abstract: 2(3)-alkanoyl/arenoyl-aminoethyl-(propyl)-betaine ester salts of formula (I) are new. In (I), R1, R2 and R3 = 1-20C alkyl (opt. unsatd. and/or opt. substd. with OH), Ph, benzyl or alkanoylaminoalkyl of formula (i) m = 0-1; R5 = 1-21C alkyl; A = a bond or a chain with 1-5C opt. substd. with OH; n = 0-1; R4 = 1-20C alkyl; X = halide, hydrogen sulphate, sulphate or methane- benzene- or p-toluene-sulphonate. USE/ADVANTAGE - (I) are microbicides. Typical cpds. (I) have MIC 10-50 ppm against staphylococcus aureus, 100-250 ppm against escherichia coli, 50-500 ppm against pseudomonas aeruginosa, 250 ppm against candida albicans. (I) can also be used in combination with anionic surfactants in shampoos and textile treating agents to give the hair and textiles and antistatic properties and revitalise them. (I) can be prepd. in good yields.
Patent DE-4231169-A1 (DE)
Title: Dynamic random-access semiconductor memory - has equalisation of input=output line pair for each block cancelled during data read-out via selection stage
Inventor: INOUE YOSHINORI
IPC: G11C11/401
Filed: 1992-09-17
Abstract: The memory has a number of memory field blocks (101...108), each comprising a number of memory cells, with output line pairs (2) for each block (101...108) incorporating respective equalisation stages (18). The latter are controlled so that the equalisation of the input/output line pair is only cancelled for a block from which data is being read out, under control of a selection stage (5, 10, 17). Each equalisation stage (18) may use a FET connected across the input/output lines (2) via its source and drain and receiving a signal from the selection stage (5, 10, 17) at its gate. ADVANTAGE - High capacity data memory with low current consumption and rapid data access.