baber/WOPTO huggingface dataset:
Patent DE-3924823-A1 (DE)
Title: Semiconductor module with several semiconductors on basic substrate - has cover substrate for all semiconductors with conductive track configuration with terminal face(s)
Inventor: GEHRLEIN ROLF DIPL ING
IPC: H01L23/538
Filed: 1989-07-27
Abstract: Between each semiconductor (6) of the module and one or several terminal faces (3,4) on the basic substrate (1) is formed at least one conductive connection. A cover substrate (2) lies over all semiconductors, which has a conductive track structure with at least one coupling terminal face (5). The coupling terminal face forms at least one further conductive connection to all semiconductors. Pref. the basic and cover substrates are of insulating material with mutually facing coupling terminal faces. The terminal faces on the cover substrate are conductively coupled to the semiconductor or the basic substrate. ADVANTAGE - No bonding drawbacks for power semiconductor modules.
Patent DE-3928688-A1 (DE)
Inventor: MEYER-ANDERSON ANDREAS DIPL CH
IPC: C01B33/18
Filed: 1989-08-30
Abstract: Novel crystalline, aluminium-free silica materials and a process for the preparation thereof are described. The silicas described are especially suitable as size-selective adsorbents and size-selective molecular sieves for the separation of substances.
Patent DE-3932266-A1 (DE)
Title: Motor driven retractable rear view mirror - is driven by motor which can be manually overridden
Inventor: MORI KEIJI
IPC: B60R1/06
Filed: 1989-09-27
Abstract: The retractable rear view mirror for a motor vehicle consists of a base (1) which supports the actuating shaft (5) which rotates the mirror frame (6) through a given angle. A gear wheel (16) mounted on the actuating shaft (5) has projections on its upper face which engage matching recesses on the coupling (20) which is mounted on a shaft driven by a motor (12). The gear wheel (16) is mounted on the actuating shaft by a damping ring and is pressed against the coupling (20) by springs (15). The projections on the gear wheel face have sloping sides to enable the motor to be overridden by applying manual force to the mirror frame. The damping ring damps out any noise caused by manual operation. USE - Retractable rear view mirror for vehicle.
Patent DE-3932876-A1 (DE)
Title: Carbon brush holder for electrical machine - has built-in microswitch that is actuated when brush wear reaches set level
Inventor: DIETRICH MICHAEL
IPC: H01R39/40
Filed: 1989-10-02
Abstract: The carbon brush unit has a formed block (3) with rectangular apertures (2) to receive a pair of carbon brushes (10).  Contact spring arms (8) projecting from arms (4) are held in contact by wound springs located on the support spindle (11).  As the brushes wear the arms move through an arc. A cam disc (13) mounted on the end of the spindle ultimately contacts the pin (15a) of a microswitch (15) to indicate that wear has reached a specific point. ADVANTAGE - Signals brush wear has reached critical level.
Patent DE-3940807-A1 (DE)
Title: Concealing flash from gun muzzle - involves tube which is fitted over end part of gun barrel
Inventor: BUCHSTALLER MANFRED DIPL ING
IPC: F41A21/36
Filed: 1989-12-09
Abstract: The flash from the muzzle of a gun is concealed by means of a tube (18) which is fitted over the end part of the barrel (6) of the gun with a space being formed between the barrel (6) and tube (18). The outer end of this tube (18) has an opening (24) to allow the projectile to pass through. The end region of the tube (18) is fitted with baffles (14, 16) which reverse the direction of flow of the gases issuing from the barrel (6). The inner end of the tube (18) has an opening (32) for the outflow of the gases. USE - Concealment of muzzle flash from guns.
Patent DE-4003749-A1 (DE)
Title: Built-in domestic refrigeration appliance - has cover rail between appliance housing and underside of work-top extending across appliance niche
Inventor: ROESER DIETER DIPL ING
IPC: A47B77/08
Filed: 1990-02-08
Abstract: The appliance has a cover rail (6) attached to the top edge of the appliance housing (2) projecting forwards beyond its front face (4), its free end being bent through 90 degrees and then bent back on itself. The 90 degree bent edge (7) is covered by a L shaped rail (11) flush with the front edge face (13) of the worktop (9) fitted across the appliance niche, for compensating height tolerances without deformation of the cover rail (6). Pref. the free edge of the L shaped rail (11) is hooked (12) to fit around the 90 degree bent edge of the cover rail (6).
Patent DE-4010486-A1 (DE)
Title: Separation device for stacked plates - has telescopic and vertically displaced outrider with suction gripper supported by horizontal fork
Inventor: KOLLER HANS
IPC: B66F9/06
Filed: 1990-03-31
Abstract: The separation device allows individual plates of varying size to be removed from a number of stacks supported vertically one above the other. It uses a horizontal support fork (8) mounted on a fork lift truck, with a telescopic outrider (9) displaced vertically relative to the fork (8), having a detector (13) which indicates its position relative to the stack from which a plate is to be separated. The free end of the outrider (9) has a suction gripper (16) for removing the top plate from the stack. Pref. the position detector (13) uses an IR beam which is reflected from the top plate in the stack. USE - For collation of several plates of differing size.
Patent DE-4012092-A1 (DE)
Title: Ammunition housing with threaded support element - for adaptation to different forms of internal plates
Inventor: OTTMANN ROLAND
IPC: F42C19/02
Filed: 1990-04-14
Abstract: Ammunitionm housing (1) has a cover pt. (2) consisting of a disc-shaped closure (3) with a stirrup (4) and a threaded pt. (5) with internal (6) and external (7) threads. A support element (11) is screwed on to the external thread and itself has an external thread (19) on which a nut (20) is screwed, supporting a plate insert (14). The support element can be adjusted on the external thread, according to the shape of the plate.
Patent DE-4014076-A1 (DE)
Title: Cover for inspection hole in bath-tub panelling - is held in place by metal strips coated with adhesive
Inventor: TAVOSCHI FULVIO
IPC: A47K3/16
Filed: 1990-05-02
Abstract: A bath-tub has its sides covered with panels. An inspection hole is provided at the lower corner of the end panel. This inspection hole is covered by a small removable panel (1) made of metal. This panel (1) has metal strips (6,7) bonded with adhesive to two adjacent edges. The panel (1) is so shaped that a narrow slot (18, 19) is formed between the free end (17) of each strip (6, 7) and the edge of the panel (1). These slots fit over strips projecting from the edges of the main side panel of the bath-tub when the small panel (1) covers the inspection opening in the main panel. USE - Bathrooms.
Patent DE-4015568-A1 (DE)
Inventor: BRAUNMILLER MICHAEL
IPC: H01B11/22
Filed: 1990-05-15
Abstract: A fibre-optic aerial cable is described which consists of a central element made from a material of high strength, a first layer stranded around the central element and having at least one loose buffer and/or multifibre unit, a second layer, arranged concentrically relative to the first layer and made from tension-proof individual elements, and a plastics outer sheath. The second layer (6) consists of a plurality of flat elements (7) made from glass-fibre-reinforced plastic, which are stranded onto the first layer (3). The flat elements (7) are arranged at a distance from one another, and the plastic of the outer sheath (8) penetrates the stranding gaps and stranding interstices (8a). <IMAGE>
Patent DE-4019574-A1 (DE)
Title: Fuel injection adaptive electronic control for combustion engine - adjusting quantity between lower and upper threshold values with storage of new value of target quantity
Inventor: PLOHBERGER DIETHARD DIPL ING
IPC: F02D35/00
Filed: 1990-06-20
Abstract: Signals from an inlet pressure transducer (22), throttle opening sensor (8) and revolution counter (7) to the electronic control unit (2) are processed to produce a command (11) for the pref. electromagnetic injection valve (10) supplying fuel from a tank (16) via a pump (13) and parallel pressure control valve (14). The quantity of fuel is reduced to a value dependent on torque up to a max. which is modified in accordance with actual load and speed. ADVANTAGE - Control can operate equally well with stoichiometric fuel/air ratios and with relatively large excess of O2 in exhaust gas.
Patent DE-4021921-A1 (DE)
Title: New triazolo-thieno-1,4-di:azepine derivs.
Inventor: WEBER KARL-HEINZ DIPL CHEM DR
IPC: C07C45/49
Filed: 1990-07-10
Abstract: Thienodiazepines of formula (I), as racemates, enantiomers, etc. and their acid addn. salts are new: R1 = H, 1-4C alkyl (opt. substd.), 3-5C cycloalkyl, 1-4C alkoxy or halo; R2 = -G-Ra; when n is not zero, Rn = H, halo, OH, NR6R7, arylsulphonyloxy (opt. substd.), alkylsulphonyloxy, arylcarbonyloxy (opt. substd. ), 1-12C alkylcarbonyloxy (opt.  interrupted by N, O or S), R8NH.COO, etc. G = alkyl, alkenyl or alkynyl with a n carbon atoms, opt.  substd. by aryl or another Ra; n = 0-10, but must be greater than zero when G = alkenyl or alkynyl; R6 and R7 = H; opt. substd. phenyl; 1-10C alkyl, alkenyl or alkynyl (opt. substd. by halo, OH, opt. substd. phenyl or C-bound heterocycle, and the C chain can be interrupted by N, NH, O or S). etc. R8 = 1-4C alkyl, alkenyl or alkynyl (opt. halo substd.) or aryl (opt. substd. by 1 or more 1-4C alkyl and/or alkoxy); R3 = H, opt. substd. phenyl or 1-4C alkyl, or R2 + R3 are together a gp. of formula (i). A = fused, mono-unsatd. 5-7 membered ring. I = alkyl, alkenyl or alkynyl with m C atoms; m = 0-6; R6 = H, OH, NH2, CHO, COOH, CN, 1-18C alkoxycarbonyl (opt. substd. by OH, NH2, NO2 or halo), etc.  R4 is not phenyl (opt. substd. by halo, Me, CF3 or NO2), pyridyl or thienyl; X and Y are each CR1 or N (but not both CR1) or Y = C-COOR' and X = N; R1 = H or alkyl.  Also new are intermediates in prepn. of (I).
Patent DE-4022210-A1 (DE)
Title: Silicon nitride powder with uniformly dispersed sintering agent - made by spraying liq. mixt. of silicon halide and halide or alcoholate of titanium, zirconium etc.
Inventor: MAIR GUNTHER DR
IPC: C04B35/593
Filed: 1990-07-12
Abstract: Producing silicon nitride powder contg. sintering agent additive consists of spraying a liq. phase of silica halide and halides of alcoholates of Ti, Zn, B, Al and/or Y into an ammonia atmos. in a reaction zone. The liq. phase contains solvent having a boiling point of max 200 deg.C. It is pref. an aliphatic or aromatic nitrite contg. 20-50 vol.% aliphatic chlorinated hydrocarbon. ADVANTAGE - The sintering agent additive is homogeneously dispersed in the powder improving sintered properties of the final silicon nitride prod.
Patent DE-4025084-A1 (DE)
Title: DC arc furnace with air-cooled electrodes - has steel plate bottom housing forming anode connection via several conductor attachments
Inventor: KAFFANKE HUBERTUS DIPL ING
IPC: F27B3/08
Filed: 1990-08-08
Abstract: The DC arc furnace has a bottom structure made from steel plates (9) forming the container and an inner cladding of graphite enriched furnace bricks (10) to conduct the current to the melt. The cathode (4) is formed by several graphite electrodes dipped into the melt. The anode connections (13) are spread around the steel shell. Each anode connection has a copper plate attached to the steel and with a central conductor (14). The connections are symmetrically spaced around the shell and the conductors are linked to a central point from where the single.feed is taken. The conductors are air cooled. USE/ADVANTAGE- For scrap metal. Even current spread, no localised errosion due to current concentrations, air cooled.
Patent DE-4026838-A1 (DE)
Title: Domestic dishwasher with rotary pressure pump -  has pressure-responsive switching unit closing supply valve in dependence on pressure detected
Inventor: DEISS ULRICH DIPL ING
IPC: A47L15/46
Filed: 1990-08-24
Abstract: A domestic dishwashing machine (1) is equipped with a wash/rinse programmer unit (15) for opening an electrically operated inlet valve (10) via conductors (16) to permit clean water to flow via a conduit (3) to a rotary pump (6). The pump (6) provides a water spray via jets (8) to the crockery basket (9) with return to the pump (6). The pressure developed in delivery pipe (7) is registered by a pressure responsive unit (11) via a conduit (12) and, on reaching a preset level, activates switches (18,19) to signal a programmer (15) where a timer (20) maintains the inlet valve (10) open for a predetermined time selected by user within the limits of programme. USE/ADVANTAGE - Economic low-wear system for reliable supply of adequate volume of water during washing or rinsing operations. Is independent of short term mains pressure fluctuations. Water volume and overall energy requirements are readily related to cleaning duty by user.
Patent DE-4033253-A1 (DE)
Title: Optical interferometer with DC laser diode - has current supply varied to maintain constant output strip frequency
Inventor: ULBERS GERD DR ING
IPC: G01B9/02
Filed: 1990-10-19
Abstract: The optical interferometer (1) has a measuring light path (3), a reference light path (6) coupled to it, and a laser diode (2) as light source supplied with DC modulated by AC. The supply current to the laser diode, and hence the wavelength of its light, are varied according to the strip frequency, caused by the modulation at the output of the interferometer, to maintain the strip frequency constant as the difference between the measuring and reference light paths varies. ADVANTAGE - Improved evaluation of the demodulated rotary field signal, and use with greater variations in optical path difference.
Patent DE-4035196-A1 (DE)
Title: Blown plastic film tubing prodn. - using various prodn. parameters which are determined and singly or collectively altered to match each other e.g. for increasing output rate
Inventor: PANNENBECKER HEINRICH
IPC: B29C55/28
Filed: 1990-11-06
Abstract: Films are produced by a process involving one or more of (a) the blown film is cooled to recrystallisation pt. of the polymer and/or the cylindrical part of the blown tubing adjacent to the bubble is cooled and/or (b) the dia. of the bubble is confined around its recrystallisation and/or (c) the surface area of the bubble is increased between the annular gap of the die and the recrystallisation zone and/or (d) the speed of the material feed through the gap in the die is reduced and/or (e) the material is stretched in the annular gap before it leaves there and/or (f) the annular die and blowing head are disengaged and/or (g) the temp. of the melt in the annular die gap is reduced or changed so as to adjust the viscosity and/or temp. and/or (h) the specific heat, thermal conductivity, density or melt viscosity of the polymer used is altered by suitable additions to the material and/or its prodn. process. ADVANTAGE - System enables the various prodn. parameters to be determined and adjusted to match each other e.g. for the purpose of increasing output. Process is obtd. without having to use complicated rheological or thermodynamic procedures. (0/6)
Patent DE-4035809-A1 (DE)
Inventor: ZILCH HARALD DIPL CHEM DR RER
IPC: A61K31/425
Filed: 1990-11-10
Abstract: The present invention relates to the use of compounds of general formula (I) for the production of medicaments to treat viral or retroviral infections, in which R is a hydrogen atom or a straight-chained or branched, saturated or unsaturated alkyl radical with 1-7 carbon atoms which may be substituted by phenyl, or a phenyl ring which may be singly or multiply substituted by C1-C4 alkyl, C1-C4 alkoxy, hydroxy, trifluoromethyl, methyl sulphonyl or halogen, such as fluorine, chlorine or bromine, and n is the figure 0, 1 or 2, and their pharmacologically acceptable salts or tautomers.
Patent DE-4037559-A1 (DE)
Title: Transmission and copying device for two way fax machine - use bidirectional rollers to allow multiple scanning of documents
Inventor: SHIN JAE-SEUNG
IPC: H04N1/32
Filed: 1990-11-26
Abstract: The two-way scanning device has a register which stores the required number of transmission or copies (and destinations where appropriate), and a counter increments the transmission/copies.  The guide mechanism within the two-way scanning device allows the text to be scanned in the forward and reverse direction, incrementing the counter after each scan. Additionally, the document is fed through feeding roller (17) and collected by rollers (19,26), which are controlled using sensors (22,24). USE/ADVANTAGE - Multi-transmission fax machines.  No memory required for test storage.
Patent DE-4039411-A1 (DE)
Inventor: HEIDELBERG GOETZ DIPL PHYS
IPC: E05F11/40
Filed: 1990-12-10
Abstract: A compact and simple drive control for a window (1) of a motor vehicle contains a small electric motor (2a) which is attached to the lower edge of the window and has a fixed outer stator part and inner rotor part and a threaded spindle (3) attached to the frame part (4). In the rotor part there is an inner hole with internal winding which is in engagement with the threaded spindle (3). The electric motor (2a) is connected to a commutating and control electronic system (7) via a feed line (6). When the electric motor (2) is turned, it migrates together with the window (1) along the threaded spindle (3).   <IMAGE>
Patent DE-4039504-A1 (DE)
Title: Extracting metals from metal contg. raw materials
IPC: F27B7/28
Filed: 1990-12-11
Abstract: Extn. of metals from ores, in which the reaction is carried out in a special indirectly heated rotating tube oven at temps. up to and including 1200 deg. C. The reaction is done in a pure reaction gas medium free from combustible gases and in a rotating tube which is either ceramic or a steel tube which is ceramic coated by plasma. Throughout the process there are no. liq. products in the rotating tube, the reaction is fully gas/solid phase. Specifically rotating oven tube is usually between 4-10m long with outer dia. 0.5-1.5m, either of ceramic or coated with ceramic to a depth of 0.5-0.25mm. All the usual oxide redns. can be carried out using H or CO giving such metals as Fe, As, V, Ni, Co etc. In addn. chlorination of oxides to give volatile chlorides can be done e.g. MgO to MgCl2 and TiO to TiCl4, and TiCl4 can be converted to Ti.
Patent DE-4040221-A1 (DE)
Title: Camper vehicle with high roof - includes system for extending roof a front and rear
Inventor: SPRANZ ROLAND
IPC: B60P3/34
Filed: 1990-12-15
Abstract: The vehicle is for transport and camping purposes. It has a high roof which can be extended on rails or rollers as required to provide extra roof space. The high roof (1) has an extendable alcove (2) at the front end and an extendable rear section (3). USE/ADVANTAGE - Providing extra space to accommodate a double bed in a camper vehicle.
Patent DE-4042397-A1 (DE)
Title: Liq. vol. meter with differential field plate sensor - which is supported by connection pin passing through two plates in wider section of bore through housing cover
Inventor: SCHUMACHER HANS
IPC: G01F3/10
Filed: 1990-12-18
Abstract: The field plates (62) are parallel in the region of the faces of teeth (64) of a measuring wheel (66). A bore (70) through the cover (6) of the housing has an annular shoulder (72) against which an incompressible plate (74) of insulating material is seated. Connecting pins (78) of a differential field plate sensor (60) extend through the insulating plate into another plate (80) of smaller dia., and at their other ends (84) are terminated for mating with a connector. The space around the plates is filled with synthetic resin. USE/ADVANTAGE - For liq. vol. sensors, with reliable signals obtained even at high measuring frequencies and temps.
Patent DE-4101945-A1 (DE)
Title: Twin track thin film magnetic head suitable for helical scanning - has substrate with angled surfaces on which thin film magnetic elements are formed
Inventor: SCHNEIDER BERND
IPC: G11B5/31
Filed: 1991-01-21
Abstract: The recording head for use with magnetic tape or discs is produced using a substrate with a surface having angled sections that alternate in direction. The substrate (6) is then cut into sections, each having a single head element (4). For a twin track head unit, two such elements (1) are placed face to face. Located between the two, a material layer (7) provides a screening function. The heads are located on either side of a centre line (5). ADVANTAGE - Offers high density recording and fast rate of handling digital signals.
Patent DE-4103685-A1 (DE)
Title: Diesel engine unit - has permanently elastic adhesive to connect crank housing and oil sump
Inventor: KORFF PETER VON DIPL ING
IPC: F02B3/06
Filed: 1991-02-07
Abstract: The IC engine is esp. for a Diesel engine. The engine crank housing (1) is connected to the oil sump (2), via an adhesive (4), which is permanently elastic when hardened. A stable formed part (3), or a strong metal plate forms an adaptor between crank housing and oil sump. The part has a vertical web (6), which supports the adhesive. ADVANTAGE - Reduced vibration acting on oil sump.
Patent DE-4109285-A1 (DE)
Title: Liq. crystalline medium - contg. fluoro di:fluoro-methoxy benzene cpd. with cyclohexyl-cyclohexyl substit., used in electro=optical display
Inventor: FINKENZELLER ULRICH DR
IPC: C09K19/30
Filed: 1991-03-21
Abstract: Liquid crystalline (LC) medium based on a mixt. of polar cpds. with positive dielectric anisotropy contains 4-(4-(trans-cyclohexyl) -trans-cyclohexyl)-2-fluoro- or 2,6-difluoro-1-difluoromethoxybenzene cpd(s) of formula (I), where R = 1-7C alk(en)yl, oxaalkyl or fluoroalkyl; L = H or F. (I) and other cpds. used in the medium are either known cpds. or can be prepd. by methods analogous to those used for known cpds. (Int. Patent Application PCT/EO 90 01 471). The medium pref. also contains 4-(trans-cyclohexyl)- or 4-(4-trans-cyclohexyl)-trans -cyclohexyl)-benzene cpd(s). (II), 4-(trans-cyclohexyl-ethyl)- or 4-(4-(trans-cyclohexyl) -trans-cyclohexyl-ethyl)-benzene cpd(s). (III) and/or 4-(4-trans-cyclohexyl-ethyl) -trans-cyclohexyl)-benzene cpd(s). (IV) etc.. In the formulae, X = F, Cl, CF3, OCF3 or OCHF2; Y = H or F; r = 0 or 1. The mixt. contains at least 50 (wt.) of (I)-(IV), pref. 10-50% (I) and 30-70% (II)-(IV). USE/ADVANTAGE - The medium is claimed for use for electrooptical purposes, esp. displays. It is esp. useful in matrix LCDs, TN and STN displays, giving very high specific resistance, low threshold voltage and short switching times. The nematic phase range is unusually wide and the elastic constants very high, whilst the viscosity is also very favourable.
Patent DE-4113010-A1 (DE)
Title: Wall film correction system for fuel injection engine - adds wall film fuel quantity correction value to fuel quantity calculated from engine operating data
Inventor: BLEUEL KLAUS
IPC: F02D41/04
Filed: 1991-04-20
Abstract: The wall film correction system uses a wall film in the air intake, directly in front of the inlet valves, incorporating a quantity of fuel which is dependent on the engine operating condition, the wall film thickness varied in response to variations in the operating condition. The wall film thickness variation is subjected to a filter function to determine a fuel correction quantity which is added to the fuel quantity provided in response to the engine operating data. The fuel correction quantity is added by extending or shortening the fuel injection time. USE - For obtaining lambda value of one.