baber/WOPTO huggingface dataset:
Patent DE-4000833-A1 (DE)
Title: Road vehicle transmission system - has clutch between auxiliary gearbox planet carrier and gear in main gearbox
Inventor: KRAFT KARL-FRIEDRICH DR ING
IPC: F16H37/04
Filed: 1990-01-13
Abstract: The multi-speed automotive transmission has a main gearbox with a layshaft, and whose output shaft (7) is coupled to the sunwheel (21) of a single-stage epicyclic gear train in an auxiliary gearbox, while the output shaft (25) from the latter is coupled to the planet-carrier (27). The gear train annulus (23) is coupled by a gearchange brake (KN) to a non-rotating part of the gearbox housing. The gearwheel (35), rotating on the main gearbox output shaft (7), of a gear train (11) in the main gearbox (9), is coupled by an auxiliary gearchange clutch (SK) to the planet-carrier (27). USE/ADVANTAGE - A gearchange can be made in the auxiliary gearbox without interrupting transmission of torque.
Patent DE-4001508-A1 (DE)
Title: Treating substrate with immobilised enzyme as fusion protein - with binding peptide specifically interacting with carrier, and new immunoassay using receptor-binding peptide fusion protein
Inventor: RUDOLPH RAINER DR RER NAT
IPC: C12N15/62
Filed: 1990-01-19
Abstract: Enzymatic treatment of substrates (I) comprises contacting them with a biocatalyst (A) which has been obtd. by (1) combining a gene encoding a biologically active substance (II; an enzyme) and a DNA fragment encoding a binding peptide (III) which can interact with a carrier material; (2) inserting the product into a vector; (3) using this to transform an organism; (4) culturing and lysing the cells; (5) contacting the lysate (contg. fusion protein (FP)) with a carrier material able to interact with (III); then recovering the enzyme-treated (I). In another embodiment, (II) is a binding receptor. Pref. (III) typically consists of positively or negatively charged amino acids (e.g. Lys and/or Arg; or Asp and/or Glu) and it may include a 1-10 (esp. 2-4) amio acid spacer between it and (II). The carrier may have negative or positive charges or complexed metals or hydrophobic gps..
Patent DE-4004707-A1 (DE)
Inventor: RILLY GERARD DR ING
IPC: H02M3/335
Filed: 1990-02-15
Abstract: The aim is to be able easily and without an additional transmitter to transmit information on the generated operating current from the secondary to the primary side of the transformer (Tr). Power is briefly returned from the secondary side to the transformer (Tr) in the form of a back-load current (iT2) via a switch (T2) on the secondary side. The setting (Ur) for the control is obtained from the voltage (U2) generated by the back-load current on the primary side. Circuit component especially for a television receiver or a video recorder.
Patent DE-4005426-A1 (DE)
Title: Temp. conditioning system in mining installation - comprises cyclone tube cooled by cold water jacket with cold air nozzle and diaphragm
Inventor: HENTING HANS
IPC: E21F3/00
Filed: 1990-02-21
Abstract: The temp conditioning system in a mining  installation has a compressed air conduit with a controlled associated cyclone tube cooler. The cooler comprises a cyclone tube, a cold air nozzle and diaphragm, and a warm air nozzle. The cyclone tube (12) near the warm air flow is surrounded by a cooling cover (13) associated with a cold water pipe (14) which sends cold water through it. The warm air nozzle (15) is fitted with a device (16) to send water through the warm air stream. The cooling cover (13) is associated with a spin initiating device (18) in the cold air diaphragm area. USE/ADVANTAGE - Air conditioning system in mine. Warm air from the cyclone tube cooler does not increase the installation temp.
Patent DE-4006539-A1 (DE)
Inventor: WARWEL SIEGFRIED PROF DR
IPC: C07C67/475
Filed: 1990-03-02
Abstract: For the metathesis of olefines and functionalised olefines catalysed by Re2O7/Al2O3-containing supported catalysts, halogen-free organoaluminium compounds are used as novel activators. 
<??>Lead- and tin-free metathesis products are prepared by the present process.
Patent DE-4010004-A1 (DE)
Title: Measurements of gas concentrations - by passing monochromatic radiation through gas contained in vessel through movable part reflecting end surfaces
Inventor: KUENST HERMANN DIPL ING
IPC: G01N21/3504
Filed: 1990-03-26
Abstract: Concn. of gases is determined with the aid of cuvette (8), forming a measuring path (4), with gas inlet (9) and outlet (10).  A signal beam (3) of monochromatic laser light passes through partially reflecting windows (11, 12) defining the measuring path, the windows forming boundary surfaces at which the laser light is reflected. The distance between the surfaces is varied during measurement of absorption lines, to vary the interfering components in the radiation. ADVANTAGE - Differentiation between absorption signal and interfering signal is increased.
Patent DE-4010854-A1 (DE)
Title: Recording material producing images in optical form - has spot-wise heatable resistance layer with conductor paths at opposite sides covered by thermoplastic layer
Inventor: TELLE WOLFGANG DR
IPC: B41M5/26
Filed: 1990-04-04
Abstract: A theromplastic layer (1) directly covers the laminated structure consisting of a spot-wise heatable heating resistances layer (7) with vapour deposited conductor paths (8,9) facing each other at: a distance (a). The latter serves as a common return lead and counter electrode lying at earth. For charging, the covering layer (1) is advantageously provided with a covering electrode in the form of a vapour-deposited metal layer. The spacing (a) can be filled with insulating material so that the theromplastic layer forms a flat surface in unused state. The counter electrode is separated from the resistance layer by means of an insulated layer and formed to be completely flat. USE/ADVANTAGE - Electrophotographic type printer. All image information in digital form directly converted to optical form by means of temp gradients and electrical field produced by electrical signals.
Patent DE-4013824-A1 (DE)
Title: Load adjustment device with throttle for combustion engine - incorporates fail-safe vacuum connection which resets throttle to idling position in event of any fault
Inventor: ZENTGRAF MATHIAS
IPC: F02D11/08
Filed: 1990-04-30
Abstract: A diaphragm (41) dividing a pressure box (36) into two chambers (37,38) is biased, in the normal idling condition, against a spring (42) by the vacuum in a connection (39) to the intake side of the throttle housing (40). In the event of failure of an electric (14) or its electronic control (17), a two-position valve (44) controlled by a switching magnet (25) in the connection (39) opens to atmos.  and the spring (42) forces the diaphragm (41) and its associated linkage into the emergency position. ADVANTAGE - Throttle flap is set to emergency idling position by failure of control, with low-torque positioning motor.
Patent DE-4016612-A1 (DE)
Title: Emergency window breaking mechanism - is used in vehicle and incorporates hammer actuated by handle
IPC: B60R21/00
Filed: 1990-05-23
Abstract: The safety device is installed in a vehicle. It comprises an armrest inside the vehicle adjacent a side panel of safety glass. A movable handle (7) is fitted in a recess (6) in the arm rest (2) and connected to a hammer arrangement (14) such that on pulling the handle the hammer is released to strike the glass and cause it to shatter into small fragments. USE/ADVANTAGE - Simple method by which a vehicle occupant can break a toughened window in an emergency.
Patent DE-4022601-A1 (DE)
Title: Optical measurer for lengths using sensor and movable reflector - has two partial mirrors on opposing surfaces of sensor with laser behind one
Inventor: WEHRLE KLAUS DIPL ING
IPC: G01B9/02
Filed: 1990-07-16
Abstract: A photodetector intercepts the emergent partial mirrors on the sensor and converts to a corresp. electrical signal.  The movable measuring reflector has a side turned away from the laser and receives emergent light from the laser for reflection back to the transmissive element. The distance between the partial mirrors is measured such that a standing wave is formed between them. The light transmissive element is a spherical lens (3), the partial mirors being formed on the outer surface on opposite sides. The photodetector (5) is arranged near the lens to receive the light emerging at an angle to the optical axis (8). ADVANTAGE - Very simple construction which can also be very small.
Patent DE-4026214-A1 (DE)
Title: Window lifter for vehicle - moves window pane up or down in slide guide with threaded spindle running approximately in parallel
Inventor: FREUDENBERG STEFFEN
IPC: E05F15/689
Filed: 1990-08-18
Abstract: The window panel (4) is connected with a panel follower comprising a guide part (10) and a threaded nut, which engages the threaded spindle (11), so that the window panel (4) with the rotation of the spindle moved by an electric motor (14) with an integrated gear box, is raised or lowered, depending on the direction of rotation. The threaded spindle (11) is designed flexibly, for the spatially curved lifting path; and is made e.g. of a fibre reinforced plastic material, or of a plastic cased steel cable. The electric motor (14) is arranged at the lower end of the threaded spindle (11) and also forms the lower axial bearing place (13) for the spindle. ADVANTAGE - Suitable for curved lifting path, with simple and cost effective construction.
Patent DE-4028009-A1 (DE)
Title: Four wheel steering system for motor vehicle - replaces velocity-dependent parameter by constant value when detected velocity is unreliable
Inventor: INOUE HIDEO
IPC: B62D101/00
Filed: 1990-09-04
Abstract: The steering system uses individual steering mechanisms (A,B) for the front and rear steered wheels, coupled to an electrical steering control (D), receiving inputs from a velocity sensor (62) and from a device (61,63) for detecting the vehicle sidewards drift. The required rear wheel steering angle is calculated from the sidewards drift and a parameter related to the detected velocity, with a constant parameter value employed when the detected velocity is unreliable. Pref. the detected velocity is discounted when the velocity sensor (62) exhibits an abnormality, or when one of the wheels is blocked. ADVANTAGE - Eliminates steering errors due to inaccurate velocity measurement.
Patent DE-4035897-A1 (DE)
Title: Wheel cylinder for drum brake - has one aluminium@ die cast piston at lest, with dust cap and groove end  pin, and steel section
Inventor: GRANDJEAN LEON
IPC: F16D65/22
Filed: 1990-11-12
Abstract: The wheel-cylinder for a drum-brake has at least one piston (2) made of die-cast aluminium, and an outer end surface of its steel section (4) resting against a brake shoe (5). The piston (2) has a dust-cap (6) sealing its cylinder housing and holding a steel section (4). The piston's (2) end has a pin (3) containing at least two longitudinal grooves on its outer surface and into which fit arms on the plate of the steel section (4). Each arm has an outward-curved section. ADVANTAGE - The steel part of the wheel cylinder is easily produced and attached to the piston by a dust cap.
Patent DE-4040713-A1 (DE)
Title: Ink print head for ink printer - has several ink channels and is made in film technology with porous ceramic film carrier for channels, contacts, etc.
Inventor: HEMPEN KLAUS
IPC: B41J2/175
Filed: 1990-12-19
Abstract: The ink print head has a number of ink channels connected to a common reservoir and ending in ejection apertures facing the recording medium. Each channel has an individually controllable power generation element for individual ink droplet ejection. The channels, power elements and contacts are in film technology and the head has an ink tight cover. At least one porous ceramic film acts as the carrier material for the channels, power elements, contacts, ink feed and filter. ADVANTAGE - Low-cost head ensures ink delivery form reservoir to channels.
Patent DE-4101745-A1 (DE)
Title: Suspension system for bicycle wheels - has rear stays with pivoted drop-outs
Inventor: MICKENBECKER PETER
IPC: B62K25/04
Filed: 1991-01-22
Abstract: The system is for use on bicycles, with rear wheels, which are suspended on one or both sides from two stays. The stays (1) carry drop-outs (2), which are turnable about pivot axis (3). At least one stay is supported on the bicycle frame (4) in an elastic spring element (5). A Bowden cable (11) extends from one or both drop outs, to a changing-device (12). The two are connected, so that a movement of one drop-out causes a similar movement of the other one. USE - Esp. mounting bikes, to allow adjustment for uphill and downhill travel.
Patent DE-4107375-A1 (DE)
Title: Cylindrical pipe for operating cylinder - has tubular reinforcement with at least one hole and enclosing plastics tube
Inventor: STOLL KURT DIPL ING
IPC: B29C70/26
Filed: 1991-03-08
Abstract: The cylindrical pipe for an operating cylinder incorporates a tubular reinforcement (5) with at least one hole (6) in it. The reinforcement (5) encloses an inner tubular plastics section (2) from which protrudes radially outwards at least one connecting-protuberance (3) sticking into the hole(s) (6). The reinforcement (5) is in the form of a perforated pipe, or is made of mesh or wire, metal or plastics for instance glass fibre reinforced. USE/ADVANTAGE - The cylinder pipe especially for operating cylinders, is very rigid, light-weight and resistant to corrosion.
Patent DE-4107920-A1 (DE)
Title: Killing hot water storage tank bacteria - by additional heat derived from inert electrode
Inventor: FRANKE GUENTER
IPC: A23L3/32
Filed: 1991-03-13
Abstract: Hot-water storage tank, whose jacket (1) has an inlet feeder (2) and outlet connector (3), kills bacteria by the application of heat from electric current flowing between an electrode (5), whose surface at least is an inert material, e.g. Ti, Nb, Ta with a PE or other noble metal passivating coating, while the counter-electrode (16) may be the end of a component housing the inert electrode. As an alternative, the protective electrode is of cathodic-protective type, with current flow phases controlled by a potentiostat to provide max. flow rates of 100-500 mA for periods of 100-300 microsecs., at which gas emmision is not excessive. Other possible electrode shapes include a bar descending vertically in the tank or a flat spiral near the tank floor. ADVANTAGE - Does not require use of metals with oligodynamic properties.
Patent DE-4107978-A1 (DE)
Title: Vehicle hydraulic braking system with drive slip regulation - uses pumped circulation for raising temp. of brake fluid to improve braking response
Inventor: WILLMANN KARL-HEINZ DIPL ING
IPC: B60T8/48
Filed: 1991-03-13
Abstract: The braking system has a pump (25) coupled to a suction line (26) and supplying the brake pressure line (10, 11) for at least one of the wheel brakes (6), with a pressure limiting valve (34) for directing the brake fluid from the brake pressure line (10, 11) to the suction line (26). A temp sensor (28) detects the temp of the brake fluid in the suction line (26) to block the brake pressure line (10, 11) from the master braking cylinder (2) and the wheel brakes (6) and switch in the pump (25) below a given temp. threshold. The brake fluid is heated via passage through the pressure limiting valve (34). The pump (25) is swithced out and the brake pressure line (10, 11) released upon reaching a required temp. ADVANTAGE - Improved braking response in drive slip regulation mode.
Patent DE-4120217-A1 (DE)
IPC: B23D61/02
Filed: 1991-06-19
Abstract: A circular saw blade has a rotational axis (13) and a flat annular body (30) arranged around the rotational axis (13). The annular body (30) is provided with teeth (35) at its outer margin. Furthermore, the annular body (30) is of hollow conical design. To produce the circular saw blade, the initially plane annular body (30) is screwed into a concentric, conical support (11) and as a result is reshaped into a hollow conical design. <IMAGE>
Patent DE-4125567-A1 (DE)
Title: Retaining latch for actuator rod in vehicle transmission - has spring loaded ball captive in housing that is cylindrical by insert that is deformed by ring inserted over end section
Inventor: STEINBERGER WOLFGANG DIPL ING
IPC: F16H63/38
Filed: 1991-08-02
Abstract: The latching element for locating an actuator rod in a vehicle transmission in a selected position consists of a ball indent device. This has a spring loaded (5) ball (3) that is pressed into an indent formed in the rod. The ball and spring are held in a cylindrical housing (1) with an insert (2) of an elastic material that is secured by a profiled lip (12) that is deformed to locate against a flange (13). The deformation is provided by a retaining ring (9) that is moved into position by an axial displacement. ADVANTAGE - Simple assembly. Low cost manufacture.
Patent DE-4126626-A1 (DE)
Inventor: CLEMENT ROBERT MARC
IPC: B23K26/00
Filed: 1991-08-12
Abstract: A method and apparatus for providing a body of material (14) with sub-surface marking in the form of an area of increased opacity to electromagnetic radiation. The method includes directing at a surface of the body (14) a high energy density beam (12, 26) to which the material (14) is transparent, and bringing the beam (12,26) to a focus at a location spaced from the surface and within the body (14) so as to cause localized ionization of the material (14). In a prefered embodiment the apparatus includes a laser (10) as a high energy density beam source and provides means (36, 38) to move the focus of the beam (12,26) relative to the body (14) so as to enable the mark to be of a predetermined shape.
Patent DE-4130420-A1 (DE)
Title: Transport device for moving closely arranged narrow packaging bands - ensures automatic positioning of bands on mandrel support via bent guide track
Inventor: KREFT BERND
IPC: B65H19/30
Filed: 1991-09-10
Abstract: A guide track (6) is bent out of the vertical into the horizontal for the conveyor chain (7) so that the conveyor links of the chain which comprise interconnected segments can move along the guide track from a rest position outside of the narrow packaging bands (8) into a horizontal transfer position inside the packaging bands (8). At least the conveyor links (10) inside the packaging bands in the transfer position are provided with lift mechanisms operated by pressurised means for the packaging bands. At least the horizontal links can be supported for sliding movement on the mandrel support holder for the packaging bands. USE/ADVANTAGE - The device for moving closely arranged narrow bands can be integrated afterwards into existing mandrel supports.
Patent DE-4131257-A1 (DE)
Inventor: WESEMANN ROLF
IPC: G01L1/02
Filed: 1991-09-17
Abstract: In order to measure the pressure acting on a base (1), use is made as sensor of a multiplicity of closed bags (2) which have flexible bag walls (9, 10), are filled with a fluid, are arranged on the base (1) to form a planar matrix and whose interior communicates with a capillary hose (4, 4%). An evaluation device which detects a pressure change is connected at the free end of the capillary hoses (4, 4%), it being possible for the end of the capillary hose (4, 4%) to be plugged into a block (5) which has a bore (6) which continues the channel of the capillary hose (4, 4%) and is sealed at its end, to which the capillary hose (4, 4%) is not applied, by a diaphragm (7) which bulges outwards when there is a decrease in volume in the bag (2). The measure of the bulging outwards of the diaphragm (7) can be determined by an optical detector (15, 16). <IMAGE>
Patent DE-4133889-A1 (DE)
Title: Effervescent tablets for mosquito larvae control - contg. Bacillus Thuringiensis and Bacillus Sphaericus endotoxin, avoid toxic risks and environmental damage
Inventor: BECKER NORBERT DR
IPC: A01N63/02
Filed: 1991-10-12
Abstract: Effervescent tablets (A) contain Bacillus thuringiensis (BTI) and/or Bacillus sphaericus (BS) endotoxins. In addn. to components which produce effervescence on contact with water, (A) contains conventional adjuvants and carriers. USE/ADVANTAGE - (A) are used to control mosquito larvae. (A) are added to water contaminated with the larvae to provide an endotoxin level of 0.1-100 ppm
Patent DE-4136439-A1 (DE)
Title: Decorative lighting unit, esp. for forming chain of lights - has housing with sealing end caps and receiving push fit adaptor containing light bulb
Inventor: BUETTCHER-BOETTCHER FRED
IPC: F21V17/06
Filed: 1991-11-01
Abstract: The lighting unit is cascadable so that a number of such units can be looped together. An adapter (4) carries an incandescent bulb (2) in a socket and comprises a press fit within a main sleeve (5) formed on a housing (7) end cap (10). Two end caps (10, 11) fit over the open ends of a cylindrical section housing of coloured light transmitting material. The adapter has connecting leads (14) to other units. USE/ADVANTAGE -  For decorative or festive purposes. Sealed housing, simple to interconnect.
Patent DE-4140334-A1 (DE)
IPC: C07H15/04
Filed: 1991-12-06
Abstract: Described is a method of obtaining, in short reaction times, light-coloured lower-alkyl oligoglucosides with a low polyglucose content by a) adding at elevated temperatures, in metered quantities using an in-line mixer, aqueous glucose syrup to a mixture of a lower alcohol and an acid catalyst, b) continuously evaporating off by azeotropic distillation the water contained in the reaction mixture as well as that liberated and c) when all the glucose syrup has been added, allowing the reaction mixture to continue to react.
Patent DE-4141512-A1 (DE)
Title: Thermal refuse package conditioning - involves chamber fed with hot gas whose temp. is adjustable and includes conditioning chamber and mixture unit where hot and cold flue gas are mixed
Inventor: REICHARD ALFRED DIPL ING
IPC: F23G5/027
Filed: 1991-12-16
Abstract: The plant comprises a heat-resistant conditioning chamber (24) in which the packages (32) are brought, a unit (16,18,26) for hot gas (h) feed into the chamber and a further unit (4,22) connected to the chamber for the disposal of gas (b) emanating for the disposal process. The conditioning chamber (24) has a closable input aperture (29), and a floor clack valve (36). It is dimensioned to accommodate an individual packate of refuse of e.g. 200 litres capacity. In front of the conditioning chamber is a mixt. unit (26) in which hot and cooled fule gas (g1,g2) from the combustion unit (2) are mixed. USE - For the disposal of packages of refuse.
Patent DE-4142141-A1 (DE)
Title: Force measurement arrangement - contains force reduction arrangement reducing force acting on measurement transducer for reliable operation under large forces
Inventor: HEINZ RUDOLF DIPL ING DR
IPC: G01L1/22
Filed: 1991-12-20
Abstract: The force measurement arrangement contains at least one electrical measurement transducer with press. dependent electrical properties. The transducer is arranged orthogonally wrt. the direction of action of the measurement force so that it is subject to an inner stress dependent on the forces being detected. A ring (11) reduces the transferred force so that the measurement transducer (12) is only subjected to part of the total force acting on the measurement arrangement. The entire force is transferred via a base body (10) forming a first region. A second region contains the force reduction arrangement. USE/ADVANTAGE - The arrangement is improved to enable reliable operation under very high press. or very large forces.Eg for vehicle drawbar coupling.