baber/WOPTO huggingface dataset:
Patent DE-3833734-A1 (DE)
Title: Disk-brake unit, particularly for motor vehicles
Inventor: GIORGETTI ALBERTO
IPC: F16D55/227
Filed: 1988-10-04
Abstract: Disk-brake unit, particularly for motor vehicles, with a calliper body (3) arranged astride a brake disk (4), with two brake pads (15, 16) which face the brake disk (4) on opposite sides and each have a carrier plate (17, 18) for a friction lining (19, 20), and with locking means (50, 51, 54, 55) which are formed on the carrier plates (17, 18) and which lie opposite corresponding counter stops (52, 53) formed on the brake body (3) and serve to hold the brake pads (15, 16) against the brake disk (4) in the tangential direction, there being mounted on each carrier plate (17, 18) a string (43, 48) acting between the calliper body (3) and the respective carrier plate (17, 18) and which serves to hold the stop means (50, 51, 54, 55) constantly against the said counter stops (52, 53). The spring (43, 48) limits the braking noise by eliminating the vibrations of the brake pads (15, 16). <IMAGE>
Patent DE-3838419-A1 (DE)
Inventor: MUELLER GOTTFRIED
IPC: F24F13/065
Filed: 1988-11-12
Abstract: A nozzle outet for the introduction of warm and/or cold air into a room wherein a plurality of individual nozzles is arranged in an outlet housing. In a preferred embodiment a large number of relatively small individual nozzles are employed. In a further improved embodiment the nozzle azes of the individual nozzles extend and incline toward each other or towards a central axis of the outlet housing.
Patent DE-3842759-A1 (DE)
Title: Directionally focused ultrasonic transducer with curved radiating surface
Inventor: DAEGES JOHANNES DR RER NAT
IPC: B06B1/06
Filed: 1988-12-19
Abstract: The ultrasonic transducer comprises a piezoelectric body (1) with electrodes (2, 3), an adaptation layer (4) attached to the piezoelectric body (1) and a weighting ring (6) which is attached to the adaptation layer (4) and surrounds the piezoelectric body (1). To focus the radiated ultrasonic beam especially sharply and to obtain echo signals with high amplitude, it is provided according to the invention that the adaptation layer (4) exhibits a concavely curved surface (8) which serves as radiating surface for the ultrasound. <IMAGE>
Patent DE-3902197-A1 (DE)
Title: Device for a seat
Inventor: SCHWAIGER GERT DR
IPC: A61H1/00
Filed: 1989-01-26
Abstract: The invention relates to a device for a seat which has a support surface for sitting on it, which is characterised in that the support surface of the device is lifted and lowered in a repeatable, chosen rhythm over the entire surface or over parts thereof during loading by the individual sitting on it. This is effected by means that are conventional in the prior art and which can be installed at different places in the seat. The seat may be, for example, a chair, a bench, a couch, a stool, a vehicle seat, a furniture seat.
Patent DE-3911193-A1 (DE)
Title: Method for quality control of the electrical and magnetic properties of magnetic materials
Inventor: KAISER JUERGEN
IPC: G01R33/12
Filed: 1989-04-06
Abstract: Method for quality control of the electrical and magnetic properties of magnetic materials (3), especially powders or bulk materials magnetic material, wherein an electrically and magnetically insulating holder (1) with hollow cylindrical coils (2) arranged preferably in the middle of the holder is filled with magnetic material (3), and at least one characteristic magnetic value of the material is detected using a measuring device (4), which value is used for comparison in corresponding measurements of other magnetic materials. <IMAGE>
Patent DE-3916278-A1 (DE)
Title: Retaining device for a slide piece with load-bearing elements for pipes
Inventor: MUELLER FRANZ
IPC: F16L3/18
Filed: 1989-05-19
Abstract: The retaining device for a slide piece (16) on which load-bearing elements (18, 20) for pipes can be mounted, is composed of a guide bracket (10), which can be fastened on an underlying surface, and of a sliding sleeve (14) which latches into said bracket and lines it. In order to provide a retaining device which, in all directions, ensures that the sliding sleeve is supported uniformly in a manner appropriate for absorbing high loads, but is nevertheless of a simple construction and can be easily mounted, the guide bracket (10) forms a closed ring, and the sliding sleeve (14) is designed, at least at one axial end, with at least one latching lug which is elastically compliant radially inwardly. <IMAGE>
Patent DE-3917382-A1 (DE)
Title: Insertion of tension hinges casings in car doors - involves ram-activated compression element between two counter levers
Inventor: KLESS DIETMAR
IPC: B62D65/06
Filed: 1989-05-29
Abstract: The device for insertion of tension casings in car door hinges. A compression component (4) is fixed to the side of a fixed carrier sleeve (3) which encloses a sliding sleeve (2), between two counter levers (10, 11). A ram (5) moves the component (4) in the direction of one or other of the levers (10, 11), the distance between which is chosen so that after the insertion of the casing, the distance between the side of the component (4) and the lever (10 or 11) is measured. USE/ADVANTAGE - Rapid insertion of tension casing. Can be set for different hinges.
Patent DE-3917519-A1 (DE)
Title: Identification appts. for unknown gaseous substances
Inventor: RUMP HANNS
IPC: G01N33/00
Filed: 1989-05-30
Abstract: A semiconductor sensor element is connected in series with a resistor to form a potential divider (1).  The combination is heated in an electrical oven (3) supplied from a current source (2).  Separate sensors monitor the semiconductor surface temperature (13) and the relative humidity (14). This information and the conduction data from the analytical sensor are fed to a microcomputer through an analogue to digital converter.  The information is used in a comparison mode with the stored data on known gaseous reactions to establish both qualitative and quantitative data on the unknown substance admitted to the oven interior.
Patent DE-3918940-A1 (DE)
Title: Servicing appliance for yarn-piecing or bobbin-changing on open-end rotor-spinning machines
Inventor: BURYSEK FRANTISEK DIPL ING
IPC: D01H4/50
Filed: 1989-06-09
Abstract: The subject of the invention is a servicing appliance for yarn-piecing or bobbin-changing on open-end rotor-spinning machines, with a suction pipe 2 for sucking in the yarn wound on the bobbin, with a piecing head 4 and with at least one arm 5, provided with a guide head 7, for transferring the yarn from the suction pipe to the piecing head. In order to avoid the idling of the servicing appliance after the suction pipe or the guide head has not taken over the yarn in the given work cycle, since it is absent, at least the transfer arm is provided on its guide head with a sensor 8 for monitoring the presence of the yarn, the sensor 8 being coupled to a control system 34 of the servicing appliance. <IMAGE>
Patent DE-3925064-A1 (DE)
Title: Selector lever for motor vehicle gearbox - engages individual gear electronic gear control and is moved in two operating planes at right angles
Inventor: WELTER ANDREAS
IPC: F16H59/02
Filed: 1989-07-28
Abstract: Following each operational direction of the selector switch, the switching contacts of a coordinate switch are acted on, which accordingly gives gear chaning signals to the gearbox control. The selector lever relative to the driver is operated towards him, away from him and upwards and downwards. The operating direction displayed from the driver is assigned the travel step 'D' for the automatic drive, and the operating directions upwards and downwards are assigned for the changing up and down of the gears in manual operation in steps. The reverse gear is engaged by pulling the selector lever towards the driver. A parking lock is provided to work with the hand-brake if fitted or, if not, with a separate operating knob. USE/ADVANTAGE - Selector lever for automatic and manual gear changing. Pref. fitted at steering wheel or column cladding. Allows unambiguous and clear choice of gear changing possibilities.
Patent DE-3928832-A1 (DE)
Inventor: KRONENBERG WALTER DIPL CHEM DR
IPC: H05K3/42
Filed: 1989-08-31
Abstract: In a process for producing plated-through single- or multi-layered printed circuit boards comprising a polymer base or ceramic which is coated, possibly on both sides, with at least one photoresist layer which temporarily exposes the electrically conductive circuit pattern, a metallic layer is deposited electrolytically or non-electrolytically on the surfaces of the base, including those which are not coated with a conducive metallic layer. The process is characterized in that (a) the surface of the base is drilled, subjected to a mechanical surface treatment, laminated with a suitable photoresist, illuminated and developed, in order to expose the circuit pattern, (b) the surfaces of the base are pretreated in an oxidizing solution, (c) the solvent residues are rinsed off the base, which is then placed in a solution containing a heterocyclic monomer, in particular pyrrol, thiophene, furan or their derivatives, which in polymer form is electrically conductive, (d) the base is then placed in an acidic solution in which an electrically conductive polymer layer is formed, the solvent residues are rinsed off, and the drilled holes and circuit pattern are metallized preferably electrolytically or non-electrolytically.
Patent DE-3931379-A1 (DE)
Title: IC engine with external compressor - with greater part of compression occurring in compressor
Inventor: LEITHOLF PETER DIPL ING
IPC: F02B33/34
Filed: 1989-09-20
Abstract: An internal combustion engine has a combustion chamber with an inlet valve and an exhaust valve. The engine is provided with a multi-stage air compressor (2) in which the greater part of the air compression occurs before the air enters the engine cylinder. The cylinder inlet valve closes shortly before the piston reaches its topdead centre. Fuel is mixed with the air before it enters the cylinder by means of a device (3) mounted between the external compressor (2) and the cylinder. USE/ADVANTAGE - The degree of compression can be varied to suit the engine operating load.
Patent DE-3932029-A1 (DE)
Title: Position recognition device for vehicles in monitor zone - has separate position transmitters received and reradiated by vehicle along with marker
Inventor: HAASE SVEN DIPL ING
IPC: G08G1/123
Filed: 1989-09-26
Abstract: A number of fixed position senders are distributed in a monitor zone to send out position signals associated with the individual senders. In vehicles, there are provided receivers which receive and store, for a short while, the position signal of the nearest position sender. In the vehicles there are transmitters for send-out of a vehicle recognition marker, and the stored position signal. A central unit evaluates the received signals. In the central unit there may be devices for send-out of interrogations associated with the individual vehicles.  In the vehicles devices receive the interrogations and send out the position signal of the vehicle. The system may be associated with a radio telephone system which carries the various data and interrogations. USE - Following and controlling service vehicles, valuable cargoes, police vehicles.
Patent DE-3937733-A1 (DE)
Title: Plate draw press - has adjustment to vary free piston movement range before the plate is inserted
Inventor: POROMBKA REINER
IPC: B21D24/08
Filed: 1989-11-13
Abstract: In a press to draw plate sections, the piston (16) has an adjustment unit to set a free space between it and the housing (14) of the pressure cushion (12). The adjustment unit is a spring (30) which maintains a constant pressure against the downwards movement of the piston (16) in relation to the pressure cushion (12). A pin (26) pointing downwards is at the under side of the piston (16) to pass through the base (22) of the pressure cushion housing (14) to carry a spring plate (28) at its lower end. The spring (30), coiled round the pin (26), is between the spring plate (28) and the base (22) of the housing. The free movement of the piston can be adjusted by a pneumatic or hydraulic unit, with a piston/cylinder assembly (32) between the base (22) of the housing and the spring plate (28) to bear on the piston (16) upwards in relation to the pressure cushion (12). USE/ADVANTAGE - The system allows the free movement path of the piston to be set before the plate holder is applied to the plate and before any pressure is applied to it.
Patent DE-3939796-A1 (DE)
Title: Sewer leak-sealing method - involves delivering swelling granulate by air gun through hole into space below
Inventor: FABRITZ GERHARD
IPC: F16L55/175
Filed: 1989-12-01
Abstract: The method seals leaking sewer pipes, a hole (2) being drilled in the pipe (1) in the vicinity of the leak.  An air gun (3) is used to deliver granualte (4) material swelling at a high rate into the space washed out by the sewage below or behind the pipe. Water is then added to the material and the hole is sealed off.  The material can be a mixture in roughly equal proportions of m ineral wool and polymer swelling at a high rate. ADVANTAGE - Long life, any further water generating continuous swelling.
Patent DE-3940556-A1 (DE)
Title: Film capacitor mfr. involving annealing of winding wheels - after tape winding of packets of constant height on two or more wheels of equal dia.
Inventor: EICHELE ROLAND DIPL PHYS DR
IPC: H01G4/30
Filed: 1989-12-07
Abstract: The winding wheels (1, 2) are wound with winding packets (3, 4) in a symmetrical arrangement achieved by the winding of a multiple tension tape (7) applying a uniformly distributed load to  each packet, and guaranteeing an optimal self-stabilising effect. The tape may be mfd. of thin spring steel with a suitable coefft.  of expansion. Advantageously it is provided with one or more tangential fastenings giving uniform pressure even in the region of the locking. ADVANTAGE - Capacitors of various pattern sizes can be mfd. more easily with no more than 5% scatter of measured capacitances.
Patent DE-4001960-A1 (DE)
Title: Zinc-nickel alloy electroplating of steel strip - with minimal carbon di:oxide entrainment on nickel carbonate addn. to electrolyte
Inventor: SCHNETTELER ROLAND
IPC: C25D21/14
Filed: 1990-01-24
Abstract: Electroplating of steel strip with a Zn-Ni alloy is carried out using a circulated sulphate electrolyte in whcih Ni carbonate and a Zn cpd. (esp. Zn oxide) are dissolved, the electrolyte withdrawn from the electroplating cell(s) being fed to a vacuum evaporator fro water removal and degassing and the water vapour being condensed in a subsequent condenser from which the degassed C02 is withdrawn. The novelty is that the Ni carbonate and the Zn cpd. are each dissolved at a separate dissolution station in a corresp. amt. of sulphate electrolyte. ADVANTAGE - A min. amt. of electrolyte can be used for dissolution of the Ni carbonate thus reducing the amt. of C02 entrained in the electrolyte and reducing by almost a factor of ten, the energy requirements of the vacuum pumps associated with the vacuum evaporator.
Patent DE-4002021-A1 (DE)
Title: Mirror comprising transparent glass sheet
Inventor: SERVAIS ALBERT DR
IPC: G02B1/10
Filed: 1990-01-24
Abstract: A mirror comprises a transparent glass sheet having a reflective metal coating deposited on the glass and a protective coating applied to the reflective coating, characterised in that the protective coating comprises a paint having a residual internal stress SR equal to or less than 1 MPa, measured by cantilever method, at a temp. above its Tg. Mfr. of the mirror comprises applying the paint by means of a curtain coating appts. through which the glass sheet is conveyed at a controlled uniform speed and in a horizontal plane with the reflective metal coating uppermost and in which a continuous film curtain of paint falls under gravity to deposit a uniform layer of paint on the reflective metal coating. The paint achieves its final strength as soon as it leaves any furnace used in the mfr. of the mirror.
Patent DE-4007497-A1 (DE)
Title: Space station position control arrangement - contains electrically-driven reaction wheels and pivotable magnetic moment controllers for compensating disturbance moments
Inventor: CRAEMER WOLFGANG PROF
IPC: B64G1/28
Filed: 1990-03-09
Abstract: A space station position control arrangement, esp. for an Earth-pointing asymmetrical space platform with electrical control elements, contains a combination of electrically driven reaction wheels for the compensation of periodic disturbing moments and pivotable magnetic moment controllers (8, 8') for compensation of non-periodic disturbance moments. The arrangement contains a sensor and a drive which continuously hold the magnetic moment controllers in a position perpendicular to the current direction of the Earth's magnetic field.
Patent DE-4007923-A1 (DE)
Title: Di:substd. benzaldehyde prepn. - by liq. phase oxidn. of corresp. benzyl alcohol using hypohalite and morpholine, pyrrolidine or piperidine deriv.
Inventor: KUEKENHOEHNER THOMAS DR
IPC: C07C47/542
Filed: 1990-03-13
Abstract: Prepn. of substd. benzaldehydes (I) comprises the liq. phase oxidn. of a benzyl alcohol (II) using an inorganic or organic hypochlorite or hypobromite and a morpholine, pyrrolidine or piperidine deriv. (III). R1 = methyl, ethyl, F, Cl or Br; R2 = 1-12C alkyl, or 3-8C cycloalkyl or 6-12C bicycloalkyl opt. mono-, di- or trisubstd. by 1-5C alkyl; Alk=. 1-4C alkyl; Q = =N(+)=OX(-), =N-OH or =N-O; X- = anion; n = 0 or 1; Y = O, CO or =C(R3)(R4); R3, R4 = H, OH or a C- and/or O- organic gp., which can be joined to a 5- or 6- membered ring. Also claimed is the in situ prepn. of cpds. (III) from a corresp. morpholine, pyrrolidine and piperidine and an oxidising agent. Pref. the reaction is carried out in the presence of alkali metal, alkaline earth metal and/or ammonium bromides. The liq. phase is a two-phase aq.-organic system, esp. one in which the aq. phase has a pH or 5-10. USE/ADVANTAGE - Cpds. (I) are intermediates for plant protectants, e.g. pyrethroid derivs. Compared with known processes the new process is industrially applicable, economical and gives cpds. (I) in high yields of up to 85%.
Patent DE-4010404-A1 (DE)
Title: Plastic twin-wall hose - extruded with air gap between inner and outer walls
Inventor: LUPKE MANFRED ARNO ALFRED
IPC: B29C48/10
Filed: 1990-03-31
Abstract: An extruder, e.g. for the prodn. of plastic hoses, esp. double-wall polyethylene hoses with an outer layer of HDPE and an inner layer of LDPE has two concentric extrusion channels which are sepd. by an insulation from each other. The prefd. insulation is formed by an air gap. ADVANTAGE - This ensures that the higher temps. necessary for the HDPE do not fuse the LDPE.
Patent DE-4015319-A1 (DE)
Title: IC engine idler control esp. for throttle flap - has two pneumatic  motors with interconnected chambers and spring coupled control elements
Inventor: GOEHRING FRANK
IPC: G05D7/06
Filed: 1990-05-12
Abstract: A control arrangement for an i.c. engine idle control contains a pneumatic control motor with an operating chamber and a control element subjected to a press. in the chamber variable between atmospheric and a vacuum so that a connected control rod is influenced in the control direction with increasing vacuum. Another pneumatic control motor (4) with a control element (5) which can engage the control rod (2) has a first chamber (63) connected to that (26) of the first motor (1) and a second chamber (69) with a control element (74) and a suction tube connection (71). A first chamber's expansion direction. The second element is connected to the first via a second spring (60) acting in the second chamber's expansion direction. USE/ADVANTAGE - Developed to fulfill idle control requirements with decoupling of starting and emergency idle control elements from normal idle control elements.
Patent DE-4020025-A1 (DE)
Title: Electronic appts. with function fault display - has signal line providing potential characterising fault condition of electronic appts.
Inventor: SCHUMACHER HARTMUT DIPL ING
IPC: G08B21/20
Filed: 1990-06-23
Abstract: The electronic appts uses a warning lamp (15) in series with a transistor switch (T1) coupled at its control electrode to a voltage divider tap-off terminal. A second voltage divider tap-off terminal is coupled to a control line (L1) providing a potential valve (UADC) characterising the fault condition of the electronic appts. Pref. the warning lamp (15) is connected in the collector circuit of the transistor (T1), the transistor emitter  coupled to earth via a resistor (R5) and its base coupled to the voltage divider (R2,R3,R4,R6). USE - For vehicle passenger safety system, e.g. belt or airbag system.
Patent DE-4020279-A1 (DE)
Title: Determining moisture in concrete additives during mixing - by monitoring of mixer drive power consumption
Inventor: VALA JAN
IPC: B28C7/04
Filed: 1990-06-26
Abstract: In producing concrete of optimum compsn. for building work the natural moisture content of additives must be taken into account.  To provide such determn. to an accuracy better than +/- 0.5 mass %, the load on the mixer drive is measured. When the progressive load increase has reached a permissible max., a control computer operates while water is continuously added. Subsequent lifts in  drive load, modified by the addn. of cement are used to calculate the moisture content of additive with high accuracy. The ratio of coarse grain/fine sand in the additive, which could affect results, is automatically allowed for. ADVANTAGE - Moisture is determined with high accuracy during a dual mixing process.
Patent DE-4023750-A1 (DE)
Title: Anti-stealth radar location - using plate lens of plastic or pigmented plastic spaced from antenna to give virtual gain
Inventor: STOLZENBERG PETER GEORG
IPC: H01Q17/00
Filed: 1990-07-26
Abstract: Plates doped or made of plastic, plastic with chemical pigments, or foils or films, or sintered plates are set up at a pacing, related to the wavelength used, in front of an antenna, or inside a waveguide. The lens effect causes a passive gain increment to allow location. The system may be used in waveguides in front of the  receiver input, and in measuring apparatus. ADVANTAGE - Comparable with director on Yagi antenna, dence allows location where none would be possible, as long as lens material is loss-free.
Patent DE-4026762-A1 (DE)
Title: Flame stopper for heatable gas probe - has blocking plates on both interface sides of layer of glass balls or sand
Inventor: WALLMANN JOERG DIPL ING
IPC: G01N33/00
Filed: 1990-08-24
Abstract: The protected probe is used for measuring gas or gas/air mixtures in areas exposed to danger of explosions.  The sieve-like, corrosion-resistant blocking plate is held in a frame.  A layer of glass balls or sand is installed between the blocking plate and the probe. The layer (3) is accommodated in a housing (1).  Both interface sides of the latter have covering blocking plates (2).  The layer (3) completely fills the inner space formed in the housing.  Each side of the blocking plates facing the other lies in an extension (5) of the housing wall.  The outer edge of each blocking plate is covered by a collar (4) of the housing. ADVANTAGE - Cheap prodn. and working costs.  Separate part which can be readily changed if damaged or otherwise made unusable.