baber/WOPTO huggingface dataset:
Patent DE-4115765-A1 (DE)
Title: Evaporating cooling system for IC engine - uses coolant vapour to power coolant pump and fan
Inventor: SCHAEPERTOENS HERBERT DR ING
IPC: F01P3/22
Filed: 1991-05-15
Abstract: The evaporation cooling system has a condenser (4) with a fan (5). Leaving the condenser (4) is a condensate pipe (3) with a coolant pump (2) and leading to it is a vapour line (8). In the vapour line (8) is a coolant vapour driven turbine (10) which supplies the power for the air fan (5) and liq pump (2). USE/ADVANTAGE - The fan and pump for the evaporative cooling system need no outside power source therefore less demand is made on the electrical supply of the vehicle.
Patent DE-4118031-A1 (DE)
Title: Therapy bath with combined height adjustable radiation unit - has light and-or IR radiation source above bath and conducts liq. across preparation plant with electronic programme control
Inventor: BOEHM KLAUS DIETER
IPC: A61N5/06
Filed: 1991-06-01
Abstract: The preparation installation includes pump systems, sterilising plant, filter units and thermostatically regulated heating system, esp. for the heating of the human body and/or for the treatment of skin illnesses such as psoriasis. neurodermatitis or similar. The therapy bath is designed for lying in, and the inner side walls (4, 5), as well as the inner top and bottom ends (6, 7), have a support element, also correctly formed in the stomach position for the body, as well as at the rear, for a person lying in the path (1). A filling regulator is provided so that the body to be irradiated lies under or inclined under a liq. layer of 1-22 mm as a variable radiation filter for a wavelength range of 460-3000nm. ADVANTAGE - Application range widened. Individual is treated with long wave part of solar radiation such as that ruling in Dead Sea, and treated with brine composition similar to that in Dead Sea. Drying out of skin is eliminated or reduced to min.
Patent DE-4119431-A1 (DE)
Inventor: SCHIFFER WALTER
IPC: G05D16/06
Filed: 1991-06-13
Abstract: In the case of a pressure regulator a valve housing (1, 2) contains a valve seat (11), a valve closing plate (8) with a diaphragm (5) of rubber elastic material fixed on the valve housing (1, 2) and defining an inlet chamber (6) in the valve housing, a diaphragm plate (15), by means of which the diaphragm is clamped on the valve closing plate (8), and a compression spring (23), which is supported on the one hand on the diaphragm plate (15) and on the other by way of a guide plate (20) on a base wall (26) of the valve housing. In order to move the valve closing plate as parallel as possible to itself when opening and closing the valve in the opening and closing direction for precise adherence to a pressure reference value, a guide rod (17), which is axially guided in a middle guide hole (19) of the guide plate (20) is fixed in the middle of the valve closing plate (8), perpendicularly to the latter. <IMAGE>
Patent DE-4123726-A1 (DE)
Inventor: RAU PETER DIPL ING
IPC: G21C3/348
Filed: 1991-07-17
Abstract: In order to obtain both a good heat dissipation in a triangular fuel rod net and a bracket for the fuel rods easy to be used, a nuclear reactor fuel element has a lattice-shaped spacer with an internal mesh of which the mesh outline is formed by the outer contour of two isosceles trapezes, whose longer base sides coincide with a straight line (9) one over its entire length and the other by overlapping; the two shorter base sides (20, 21; 30, 31) of these two trapezes are at the same distance from the straight line (9), and at least one shorter base side has a different length from the four isosceles sides (22, 25) of the two trapezes.
Patent DE-4128302-A1 (DE)
Title: Pair of intermeshing gears - have roller bodies, such as balls, transmitting power which work in guides in teeth, one gear having hub and bearing washers
IPC: F16H55/10
Filed: 1991-08-27
Abstract: The pair of intermeshing gears have roller bodies transmitting the power between them. These work in radial guides in the teeth, and the surfaces curve towards each other at the middle. The bodies can be balls, with their guides open to the engaging gear teeth, and one gear can comprise a hub and bearing washers for the bodies secured to its end faces. One gear accommodates bodies in radial guides on both sides, while the other has rigid teeth engaging with them. ADVANTAGE - Rolling contact under load.
Patent DE-4128716-A1 (DE)
Title: Interferometric phase measurement device for heterodyne interferometer - uses same wavelength from same source for measuring light path displacement and phase with pull compensation of variable optical path
Inventor: KERNER MARTIN KARL ARTUR
IPC: G01J9/04
Filed: 1991-08-29
Abstract: The interferometric phase measurement device  uses the same beam from the same source for interferometric measurement of the displacement of the variable light path as it uses for the actual phase measurement. The wavelength changeover (21) to the measurement paths is performed before the heterodyne interferometers. The measurement detector (6) is also the distance measurement reference detector of the distance measurement interferometer. The variable optical path and displacement measurement interferometer share a common reflector (10). USE/ADVANTAGE -  Enables high precision phase measurement to be achieved with accurate distance measurement using same wavelength from same source.
Patent DE-4136580-A1 (DE)
Title: Adjusting system for optical instrument - has tubular member moved axially by adjusting ring with ball screw thread
Inventor: WEBER UWE
IPC: G02B7/04
Filed: 1991-11-07
Abstract: The optical instrument has a housing (1) with an adjusting ring (2) which has an internal screw thread (23). The instrument also has a tubular member (3) which has an external screw thread, which cooperates with the screw thread of the adjusting ring (2) with balls or rollers running in the grooves of the screw threads. The tubular member (3) has a thrust bearing (120, 125) and is guided axially and prevented from rotating by a linear bearing formed by an inner sleeve with a longitudinal groove (13) for rolling bodies (130). No return track is provided for these rolling bodies. USE/ADVANTAGE - Adjustment device for optical system. The lens position is accurately controlled without play.
Patent DE-4136851-A1 (DE)
Title: Low-powered diesel engine - has direct fuel injection using injection nozzle on same axis as cylinder together with combustion chamber hollow of hemispherical shape
Inventor: BUERGLER LUDWIG DIPL ING
IPC: F02B3/06
Filed: 1991-11-08
Abstract: The combustion air in the combustion chamber hollow (2) has practically no turbulence. The injection nozzle (4) has several injection holes, pref. a total of 15 or 20 holes (9, 10, 11). The axes of the injection holes lie on one of several concentric cone surfaces and the opening angle of the cone surface and the dia. spacing of the injection holes are so chosen that the fuel is equally distributed in the combustion chamber hollow (2) with no fuel being taken on to the combustion chamber wall. USE/ADVANTAGE - To improve the use of air in the air/fuel mixt. in low-powered diesel engine.
Patent DE-4139561-A1 (DE)
Title: Monitoring ageing state of oxygen probe connected before catalytic converter for combustion engine -
Inventor: DENZ HELMUT DIPL ING
IPC: F02D41/14
Filed: 1991-11-30
Abstract: The method involves using an oxygen probe which produces an actual signal for the engine's lambda regulator. The monitoring is based on the time average of the difference between the actual and reference values. The probe is judged to be excessively aged when this time averaged value falls below a defined threshold. Alternatively, the value compared with a threshold can be the above time averaged value divided by the time averaged value of the difference between the actual and desired output values of the lambda regulator. ADVANTAGE - Errors are eliminated by suspending computations during intermittent engine operations.
Patent DE-4140951-A1 (DE)
Inventor: JUNG NORBERT DIPL ING
IPC: F16J15/3228
Filed: 1991-12-12
Abstract: A sealing ring for sealing a rotating shaft (7), comprises a sealing washer (5) of polytetrafluoroethylene or like material and an elastomer washer (9) back gripped in a housing (2), by means of a resiliently elastic clamping ring (10). The ring is pressed into the housing (2) as an interference fit. It has been found that this shaft sealing ring has substantially longer life and functional reliability than previously known shaft sealing rings. <IMAGE>
Patent DE-4141366-A1 (DE)
Title: Sintered silicon nitride bodies - mfd. by modifying surfaces with ion beams for passivation
Inventor: HERRMANN MATHIAS DR
IPC: C04B41/80
Filed: 1991-12-14
Abstract: Sintered Si nitride body is mfd. with a modified surface which consists of concn. of oxides or nitrides or SiC or their cpds., which form a cpd. with Si3N4 and its grain boundary phases. This modification is carried out with the aid of ion beams, using Si, Al, rare earth metals or C. The coated body is annealed a) in air at 500-1100 deg.C for oxides b) in N2 atmos. at 0.05-200 MPa and 500-1300 deg.C with nitrides c) in inert gas at 500-1300 deg.C with SiC. ADVANTAGE - Passivation of surfaces by diffusion barriers.
Patent DE-4142704-A1 (DE)
Title: Laser diode modulator - has laser active zone pumped by pump light of equal or smaller wavelength. Preferably a second laser beam.
Inventor: NEDTWIG JOACHIM DIPL ING
IPC: H01S5/04
Filed: 1991-12-21
Abstract: The laser diode modulator includes a laser diode (1) with a laser active zone (2). A laser beam of a wavelength lambda 1, modulatable by a modulation signal, is emitted from the laser active zone. The modulation signal is applied to the electrodes of the laser diode. The laser active zone is pumped with pump light of equal or smaller wavelength lambda 2, preferably in the form of a second laser beam. The laser active zone is coupled to a light waveguide. ADVANTAGE - Does not require DC voltage supply for operation, making it more compact.
Patent DE-4142903-A1 (DE)
Inventor: ANNEMAIER DIETER DR
IPC: C09K21/14
Filed: 1991-12-24
Abstract: The fire-protection compound proposed contains binders, fireproofing agents, fibres and plasticizers and is free from antimony compounds, asbestos and flame retardants which are dangerous to the health, in particular halogen-containing flame retardants. Use of this fire-protection compound thus ensures that burning does not release any substances which would pollute the environment or would be dangerous to health, at the same time providing the required fire-protection characteristics. The compound can be used in the production of fire-protection coatings and fire-protection seals in, for instance, fire-proof bulkheads and fire-proof jointing.
Patent DE-4143219-A1 (DE)
Inventor: WUELFRATH KLAUS JUERGEN DIPL I
IPC: E04D5/14
Filed: 1991-12-30
Abstract: A sealing system is described which is especially suitable for a flat roof. The sealing system has a sealing web 10, an understructure 11 and preferably an intermediate layer 12. Plate-like holding elements 13 are provided which are anchored in the understructure by means of holding pins 131. The sealing system is characterised by a fastening plate which is pressed by the plate-like holding element 13 exerting a controlled pressure against the understructure 11 and is connected to the sealing web 10. The fastening plate 14 preferably has a passage 15 whose diameter is greater than the thickness of the holding pin 131. <IMAGE>
Patent DE-4202666-A1 (DE)
Title: Changeover device for compressed air brakes - involves arresting operating shaft, with arrester being able to be secured and sealed
Inventor: HILLE WOLFRAM
IPC: B61H13/20
Filed: 1992-01-28
Abstract: The device has an operating shaft (2) located in shield bearings (1,30) crosswise to the vehicle longitudinal axis. The shaft is connected firmly to hand levers (4,18) limitedly rotatable on the shield bearings by stops, and fitted with one or more fork levers (32). The operating lever has a stop device (5,26) on the end extending over the eyelets (3,35) of the hand lever (4,18), in the pivot range of which are stop discs (6,27). The discs are connected to grip elements (7,34) provided with arresting bolts (8,17) axially displaceable parallel to the operating shaft. USE/ADVANTAGE - For railway vehicle brake system. Operable from the wagon side, with the sealable stop on the other vehicle side remaining undisturbed.
Patent DE-4206763-A1 (DE)
Title: Honeycomb for collecting comb honey - has basic comb with exchangeable frames on either side for formation of disc comb
Inventor: JENTER KARL
IPC: A01K47/04
Filed: 1992-03-04
Abstract: The basic comb (2) comprises two basic frames (4) with central core (5) between them. The exchangeable frames (3) are connected to the basic frames (4) by clips (8) which grip the two together leaving a gap (11) between them. Two or more disc combs (1) form the honeycomb and distance pieces are used to hold them together. A distribution unit in the form of a box holds two or more exchange frames together by means of clips. After the cells on one side have collected honey the exchange frames are turned and the filled cells are closed, the cells in the basic comb being permanently filled with honey. ADVANTAGE - Simple and good value. Produces honey of a high degree of purity.
Patent DE-4211978-A1 (DE)
Title: Auxiliary energy-free transducer for live-zero current signals in measurement voltages - has bridge circuit with two reference arms and two measurement arms
Inventor: KNICK ULRICH DIPL ING
IPC: G01R17/02
Filed: 1992-04-09
Abstract: The transducer has a bridge circuit with two diagonally opposed supply nodes, at which the current for conversion is fed in and out, and two voltage nodes, at which the output voltage is measured. Reference voltages are formed across reference elements (10,11) with current-independent voltage in two diagonally opposed branches (3,4). Resistance elements (R1,R2) occupy the other two branches (2,5). The Ohmic resistance of a parallel circuit contg. the two resistance branches corresp. to the quotient of the desired change in output voltage (UA) and the difference of the maximum and minimum currents of the live-zero current signal. USE/ADVANTAGE - For conversion of live-zero currents in measurement voltages whose measurement range origin is shifted w.r.t. the live-zero signal, esp. in dead-zero voltages. The minimal and/or maximal value of the output voltage can be freely selected without requiring additional energy.
Patent DE-4216375-A1 (DE)
Title: Electronic digital circuit for addition and subtraction - has control circuit for improved reset control of multiple single or repeated additions and subtractions
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1992-05-18
Abstract: The electronic digital circuit provides multiple addition and subtraction modes using a circuit (30) that generates the required control pulses. The operation of the system is dependent upon selection made through a keyboard that connects with memory elements and with the control circuit (30). Combination of single and multiple additions and subtractions may be made. The circuit is structured such that reset is made either by operation of a general reset key or by operation of a number key. ADVANTAGE - Improved operation.
Patent DE-4220083-A1 (DE)
Title: Reference force or pressure generator for calibration of meters - has pressure transmitting opening above liquid which surrounds heater-cooler, which acts as setting element of control loop, to enable use of dependency of vapour pressure of liquid on temp..
Inventor: KIMSTAEDT NILS
IPC: G05D15/01
Filed: 1992-06-19
Abstract: The heater-cooler (9) forms the adjusting element of a regulating circuit, which uses the temperature dependency of the vapour pressure, so that its vapour pressure can be used as an exact generator of pressure or force. The temp. of the liquid is regulated, pref. at constant value. The opening of the container has a diaphragm (2) and/or a bellows, and/or piston and/or roll diaphragm. An electronic circuit is used for regulation. USE/ADVANTAGE - Eg for testing of pressure switches and sensors, pressure limiters, over-pressure valves and gas spring shock absorber. Pressure loading is dependent on deflection and is esp. accurately regulated electronically.
Patent DE-4223353-A1 (DE)
Title: Master cylinder for vehicle antilock braking system - has central steel valve controlled by self-changing dynamic orifice
Inventor: REINARTZ HANS-DIETER
IPC: B60T8/38
Filed: 1992-07-16
Abstract: The master cylinder of the vehicle braking system has a control device in the form of a self-changing dynamic orifice (9). It is responsive to the pressure difference between the working chamber (14) and the surrounding space (4) of a central valve (6,10). The dynamic orifice has a control piston (11) which partially or completely closes the connecting opening (12,13,16) between the working chamber and the surrounding region. The passage surface of the orifice reduces with increasing pressure difference. USE/ADVANTAGE - Vehicle braking system with improved reliability and speed of response of central valve. Construction of valve is simplified.
Patent DE-4225301-A1 (DE)
Title: Wall mounted electric water heater, esp for boiling water - has overflow pipe integrated with water jacket and connected to small chamber between cold and hot taps
Inventor: WITZKI ERWIN
IPC: F24H9/12
Filed: 1992-07-31
Abstract: The electric water heater has a tap for cold water and one for heated water. There is an overflow pipe to limit the amount of water in the container and to draw off steam. The outlet side of this pipe is integrated with the water jacket. Near the taps is a small chamber divided by a wall into a hot water side and a cold water side. The cold water side is on the downstream side of the cold tap and the overflow pipe joins the hot water side. There is a common outlet pipe for both hot and cold water from this double chamber, but the flow from the cold water side has a venturi-type restriction. ADVANTAGE - Simple design with concealed overflow pipe.
Patent DE-4235550-A1 (DE)
Title: Electric connection- or jointing-terminal with divergent planes - has slots associated with respective insertion planes in different portions of current rail having spring clamps at ends
Inventor: KOELLMANN HANS-JOSEF
IPC: H01R9/26
Filed: 1992-10-19
Abstract: The current rail (21) carries a forklike spring clamp (22) riveted (23) to one end, and a cage-like tension spring (25) at the other end, for insertion of an equipment pin or tab (24) and a wire (26), respectively. The insulating housing (27) is provided with four pegs (28) for combination of a row of such terminals into a block. Slots in the rail are offset so that the planes of insertion (33,34) are divergent. ADVANTAGE - A miniaturised terminal guarantees insertability of connectors or bridges with different voltages, partially overlapping in the direction of the row of terminals, but leaving a sufficient air-gap and leakage path.
Patent DE-4236478-A1 (DE)
Title: Continuous web flash dryer with high efficiency particulate filtration - useful especially for solvent dispersion coated film e.g. magnetic tape stock
Inventor: NENTWICH REINHOLD
IPC: F26B13/20
Filed: 1992-10-29
Abstract: Arrangement for drying material, consisting of a liquid, containing both volatile and non-volatile solvent components, applied as a layer to a carrier web, being conveyed through a drying zone, where the carrier web is freely suspended by means of impinging warm gas jets, arranged both above and below it, and where the exhaust gas is ducted-off on both sides of the web, being novel by virtue of the features: (a) that plenum chambers (8,9) are arranged both above and below the web, to supply the gas jets with drying gas via filters (6,7), (b) that the separation of the outlet side of the filters from the inlets (4,5) of the gas jets (1,2) is negligible, and (c) that the width of the gas jet outlet slits (3) is at least equal to the width of the carrier web, and that the upper (1) and lower (2) outlet slit openings are so placed along the web running direction that each jet outlet slit lies opposite to the intermediate space between two jet outlet slits. USE/ADVANTAGE - Dryer for coated web materials e.g. production of magnetic tape. Filtration of drying gas to avoid damage to the product web by particulate contamination. In an example, 65 cm wide poly-ethylene terephthalate film, coated on its upper side with a magnetic dispersion, was passed through a 9 metre drying zone at 400 m/min. The drying length was divided into 3 equal sections, each provided with a 60x65 cm high-performance filter (99.97% minimum removal for particles greater than 0.3 micron). The film web had 35 gas jet slits above and 36 slits below; the slit width was 1mm providing a nozzle outlet velocity of 50 m/s, and the slit stand-off distance from the web was approx. 6-12 mm. Nitrogen at 100-140 deg.C was the drying gas.
Patent DE-4236716-A1 (DE)
Title: Hydraulic accumulator charging system for vehicle drive - uses switch-off valve actuated by piston responsive to pressure in accumulator
Inventor: EISENBACHER EGON
IPC: B62D5/065
Filed: 1992-10-30
Abstract: The pressure accumulator charging system is used in a vehicle transmission. It incorporates a switch-off valve (40) which has a valve body (42) capable of actuation in the closing direction against the force of a valve spring (45). The actuation is caused by a switch-off piston (50) in a switch-off bore (49) lying between the pressure side and the suction side of the displacement pump (10), and subject to an accumulator pressure. At least part of the valve body (46,47,48) and the switch-off piston are made as one piece. USE/ADVANTAGE - Hydraulic accumulator charging system for vehicle drive operates with reduced energy losses, has higher reliability, and is simpler to make.
Patent DE-4237686-A1 (DE)
Title: Pipe elbow or bend component - has turned boreholes meeting at spherical, conical or parabolic run out, both bore axes cutting at 90 deg. angle
Inventor: BEIER HANS-MICHAEL DR ING
IPC: F16L43/00
Filed: 1992-11-07
Abstract: The component (1) has two turned boreholes (5,6) which meet, such that the first cylindrical bore section (7) ends in a run out (8) with a decreasing diameter. The second cylindrical bore section (11) ends with its bore wall in the run out of the first bore. The axes (9,10) of the two bores may cut at an angle of between 60 and 130 degrees, and is particularly designed for 90 degrees. The run out takes the form of a cone, sphere or rotated parabola. USE/ADVANTAGE - For pipe bend. Avoids burring and so improves potential pressure loss values of pressure medium flow.
Patent DE-4238545-A1 (DE)
Title: Pressure sensor e.g. for diesel engine, high-pressure lines or industrial processes - comprises heterostructure semiconductor diode with double barrier resonant tunnel or simple barrier tunnel structure
Inventor: BRUGGER HANS DR
IPC: F02B3/06
Filed: 1992-11-14
Abstract: The pressure sensor contains at least one semiconductor diode with a heterostructure. The semiconductor diode can have a double barrier resonant tunnel or DBRT structure or a simple barrier tunnel structure. By modifying the composition and form of the structure the measurement range and measurement sensitivity of the sensor, as well as its current/voltage characteristic, can be varied over a wide range. The DBRT diode can have at least two thin, undoped barrier layers (4,6); a first quantum wave layer (5); two thin, undoped spacer layers (3,7) and two highly doped feed regions (2,8) on a conducting substrate (1) with rear electrical contacts or on a semi-insulating substrate with contacts applied to the regions. USE/ADVANTAGE  - High pressure sensor is suitable for miniaturisation, i.e. in dimensional range around 0.1x0.1x0.1 mm3. Exhibits high sensitivity over large pressure range.