baber/WOPTO huggingface dataset:
Patent DE-19741471-A1 (DE)
Title: Recovering benzene from hydrocarbon mixture
Inventor: STREICHER CHRISTIAN
IPC: C07C7/144
Filed: 1997-09-19
Abstract: Recovering benzene of high purity from a mixture containing benzene, other aromatic hydrocarbons and paraffinic and/or naphthenic 5-10C hydrocarbons comprises: (a) injecting the hydrocarbon mixture into a first distillation column producing a distillate and residue; (b) tapping off a phase; (c) charging this phase to a first permeation apparatus; producing a benzene-enriched permeate and retentate; (d) recycling a part of the retentate to the first column; (e) charging the permeate in (c) to a second column, where purified benzene is removed from the foot of the column and a distillate at the head; (f) condensing the distillate and recycling to a second permeation apparatus; (g) removing a benzene-enriched permeate and retentate from the second permeation apparatus; and (h) recycling the permeate to the second distillation column.
Patent DE-19741874-A1 (DE)
Inventor: STROTHOFF WERNER
IPC: C11D17/08
Filed: 1997-09-23
Abstract: A pasty to solid aqueous alkaline cleaning agent is obtained from an aqueous concentrated sodium hydroxide solution by adding one or more alcoholates according to general formula (I)(R<1>)(R<2>)(R<3>)C-O<->M<+>. The cleaning agents can optionally contain additional foam inhibitors, builder components, paraffin oil, tensides and solid alkali hydroxide.
Patent DE-19742062-A1 (DE)
Title: Water supply system
Inventor: BANDOWSKI JUERGEN
IPC: E03B1/04
Filed: 1997-09-24
Abstract: The central water supply system, to deliver (2) water to a number of points, has a cistern (3) as a storage tank. The water is taken from the tank by a pump (7), to be fed (5) to at least one point of use. The pump has a non-return unit (23) before or after it, with a valve against a sealing valve seat in the closed position which is lifted from the valve seat, to form a flow passage. The pump is controlled (9) according to sensor signals and, if required, further signals, and is stopped when the control recognizes through the signals that the valve is sealed against the valve seat.
Patent DE-19743346-A1 (DE)
Title: Clocked current regulation circuit for inductive load
Inventor: GRAF ALFONS DR ING
IPC: H02M3/156
Filed: 1997-09-30
Abstract: The current regulation circuit has a switch (S1) connected in series with the inductive load (L) between the supply voltage terminals (1,2), with a measuring device (M) providing a signal representing the current through the inductive load.  A free-running diode (D1) is connected in parallel with the inductive load and is connected in series with a second diode (D2), the junction between them coupled via an operational amplifier (OP) to the measuring device.
Patent DE-19745787-A1 (DE)
Title: Lighting units such as rear beam or indicator lights for vehicle
Inventor: IKEGAYA HIROKI
IPC: F21Y101/00
Filed: 1997-10-16
Abstract: The vehicle headlamp unit has the bulb holder (22) inside a structured cover which permits lateral illumination of the headlamp reflector while the front of the cover has alternate strips to transmit light and to block light. The front surfaces of the blocking strips are reflective to light incident from the front of the lamp unit. This provides a bright appearance when the lamp is witched off. The front cover can be structured with a Fresnel lens (60) to control the distribution of the light intensity. The reflector has a stepped structure (46) to control the overall lateral spread of the light.
Patent DE-19748254-A1 (DE)
Title: Stepless automatic gears
Inventor: KAPPEL REINHARD
IPC: F16H61/662
Filed: 1997-10-31
Abstract: An automatic gear drive has a belt and cone system with the spacing of the conical flanges adjusted via two hydraulic pressure chambers (36,44) connected to a hydraulic controller (26). The separate hydraulic chambers are fitted with return flow apertures controlled by sliders. The system provides for a wide range of control without requiring large hydraulic pressures. The hydraulic control unit contains electric control valves.
Patent DE-19751449-A1 (DE)
Title: Detachable plug-in connection for hydraulic pipe with insertion and holder parts e.g. for vehicle clutch control
Inventor: MEYER GERHARD DIPL ING
IPC: F16L37/14
Filed: 1997-11-20
Abstract: The cylindrical aluminum or plastic holder part (3) for the insertion part (2) has two diametrically opposite cavities (6,7) in relation to a longitudinal center axis. The arms (9,10) of a rectangular-sectioned spring (4a) open on one side are guided into the cavities and, when locked in position, fits into a cavity in the insertion part.  At least one arm together with the holder part forms a fastening.
Patent DE-19751884-A1 (DE)
Title: Liquid mixer for use in the drinks industry
Inventor: SHANG JIANMING DR ING
IPC: B01F5/04
Filed: 1997-11-22
Abstract: A reactor mixes two or more fluids in micro or macro quantities and has an outer housing (3), an inlet (9) for a first fluid, and a second inlet (13) for a second fluid. It further has an outlet (16) for the resulting fluid mixture. Downstream of the two inlets (9, 16) the fluid passage (17) is crossed by a series of perforated turbulence generator platelets (27). The passage (179 has a number of lateral outlet slots (31) located downstream from the platelets (27).
Patent DE-19804368-A1 (DE)
Inventor: WILLIAMS BRUCE LESLIE
IPC: A47D13/06
Filed: 1998-02-04
Abstract: A foldable playyard includes a lower frame assembly including a hub (300) and a plurality of hub legs (202, 204, 206, 208) with one end portion of each of the hub legs pivotally coupled to the hub (300). The foldable playyard also includes an upper frame assembly including a plurality of side rail units, each including a pair of rails (100, 102) and a medial rail connecting member (110) pivotally connecting one end portion of each rail, the medial rail connecting member enabling the pair of rails to be collapsible from a substantially in-line configuration to a subtantially V-shaped configuration. Also included are corner legs for interconnecting the upper and lower frame assemblies. The hub (300) includes a locking member (360) and at least one of the hub legs includes an engaging portion (370) adjacent to the locking member (360) to prevent the hub leg from pivoting relative to the hub (300).
Patent DE-19805471-A1 (DE)
Title: Method for repairing target base plates
Inventor: WOLLENBERG NORBERT
IPC: C23C14/34
Filed: 1998-02-11
Abstract: Damaged bores are drilled out to produce seatings (10) for inserts (12) with bores (14) which are coaxial with the respective original damaged bores.  The repaired target base plate (3) is characterized by the fact that bores (14) pass through cylindrical inserts (12) fixed in seatings (10) in the base plate.
Patent DE-19815074-A1 (DE)
Title: Laboratory thermostat with two point temperature sensing and programmable controller
Inventor: NOVOTNY STEFAN
IPC: B01L7/00
Filed: 1998-04-05
Abstract: The laboratory thermostat has a housing (1) forming at least one internal chamber (2) for a test sample, or stored material, with heating and/or cooling devices (5,6), and a temperature probe (7) fixed within the chamber and connected to a controller (9) in a temperature control circuit. The controller is connected to at least one additional temperature probe (8) which may be fixed, but is preferably freely positionable, within the chamber, remote from the first probe (7).   The control system uses a PC or PLC to run a set of control algorithms, which can undertake e.g. basic PID (Proportional-Integral-Derivative) control, cross check the temperature values from the two probes, or verify either set of temperature measurements against predicted heating or cooling performance over a selected time interval, etc.. Fuzzy-logic routines may be used.
Patent DE-19817082-A1 (DE)
Title: Method of driving at least one internal combustion engine ignition plug optimizes ignition system operation
Inventor: HERWEG RUEDIGER
IPC: F02P3/045
Filed: 1998-04-17
Abstract: The method involves a first step (1) in which a defined quantity of energy delivered to the ignition plug is emitted by the plug and a second step (2) in which a check is made for whether the combustion process has been triggered. A return to the first step is made if the combustion process has not been triggered, and  the ignition process is terminated if the combustion process has been triggered.
Patent DE-19817834-A1 (DE)
Title: Lime board manufacturing process
Inventor: GERMANN ALOIS
IPC: C04B28/10
Filed: 1998-04-22
Abstract: A lime board manufacturing process involves (a) mixing 10-30 wt.% hydrated lime slurry with 2-6 wt.% potash alum solution as hardener, 50-70 wt.% granular mineral and 8-20 wt.% of a binder containing 40-60 vol.% bog-lime, 40-60 vol.% skimmed curds and 0.2-2 vol.% borax; (b) pouring this basic mixture, alone or mixed with organic fibres, into a board mould or introducing a fibrous cover layer and a core of the basic mixture into the board mould; and (c) supplying the mould with CO2, heat and pressure until the board is capable of being transported. Also claimed are (i) an insulating lime board made by the above process using 3 vol. parts organic fibres per 1 vol. part of basic mixture; (ii) a constructional lime board made by the above process and having a cover layer of jute or sisal fabric; and (iii) lime floor and wall boards produced by the above process using the basic mixture alone, the visible surface of the board having been ground and/or flame treated.
Patent DE-19818875-A1 (DE)
Title: Transport system consisting of truck and/or trailer
Inventor: SCHILLER HARTMUT
IPC: B60P1/64
Filed: 1998-04-28
Abstract: The transport system consists of a truck, van or trailer (10) with a vehicle frame (16), on the load surface (24) of which there is a carrier frame (12) for freight.  A hydraulic or pneumatic scissors rod arrangement (18) is fitted between the vehicle frame and the load surface, by which the carrier frame together with the load surface can be raised relative to the vehicle frame. There is at least one centering device fitted to the load surface and to the carrier frame.
Patent DE-19820580-A1 (DE)
Title: Regenerable gas filter made of composite material based on permeable carrier
Inventor: PENTH BERND
IPC: B01D71/02
Filed: 1998-05-08
Abstract: The regenerable gas filter is made of a composite material based on a permeable carrier, one side of which comprises an inorganic component made of a metal, semimetal or mischmetal of elements of groups 3-7. An Independent claim is also included for the production of the gas filter comprising applying a suspension made of a metal, semimetal or mischmetal of elements of groups 3-7 and a sol in and on a permeable carrier, and heating the suspension to solidify it in and on the carrier material.
Patent DE-19821697-A1 (DE)
Title: Brake device for motorised work machine e.g. IC engines in hedge cutters
Inventor: NAGASHIMA AKIRA
IPC: A01G3/06
Filed: 1998-05-14
Abstract: The brake drum (27) is fixed on the transmission shaft (25) and the brake belt (28) which is looped around the drum is pretensioned to reduced it's diameter. One end of the brake belt is supported for swivel movement on a support pin (29) and the other end is formed in a contact bearing end. The brake device has a belt handling mechanism with an eccentric cam (41) and arm member (42) integral with the cam. The eccentric cam comes into rotary contact with the bearing end whereby the diameter of the brake belt changes during one revolution so as to brake the brake drum. The brake belt can comprise a leaf spring pretensioned to reduce it's diameter through its elastic resetting force.
Patent DE-19821755-A1 (DE)
Title: Electrostatic powder spray gun
Inventor: YANAGIDA KENZO
IPC: B05B7/10
Filed: 1998-05-14
Abstract: The electrostatic spray gun has a cylindrical body (3) with the circular outlet duct (13) for the powder around a conical insert. An outer cylindrical sleeve (21) over the gun provides a circular air curtain directed at the workpiece. The air gun prevents the charged powder particles from deflecting sideways to the control electrodes (16) around the gun. The central insert has a porous structure through which a compressed airflow flushes the outer surface of the gun to prevent the build-up of powder deposits.
Patent DE-19822484-A1 (DE)
Title: Air/fuel ratio control unit for internal combustion engine
Inventor: MORIKAWA JUNYA
IPC: F02D41/02
Filed: 1998-05-19
Abstract: An air/fuel ratio control unit for an IC engine has a device (4) to measure a physical quantity related to an inlet quantity passed to the engine. A scavenging control device (40) is also provided to control the degree of opening of a scavenging valve (20) on the basis of the measured physical quantity, if fuel vapour adsorbed in a container (16) is delivered to an inlet side of the engine. A variable valve timing control mechanism (35) is built into a drive force transmission mechanism for transmitting a drive force from an engine drive shaft (31) to a driven shaft (34). The drive force opens and closes an inlet valve and/or outlet valve and which can turn the drive or the driven shaft through a certain angle and a device (40) to correct the degree of opening of the valve to give a desired scavenging flow rate independently of the operational parameters of the valve time control mechanism.
Patent DE-19824781-A1 (DE)
Title: Electric component especially switch cold conductor
IPC: H01C1/016
Filed: 1998-06-03
Abstract: The electric component is built into a housing (6). Current conducting contact elements (2,3) are arranged offset relative to each other on the component. Also at least one positioning element (4,5) is arranged on the component. At least one of the contact elements or the positioning element comprise a tensioned member which is electrically separated from the contact elements.  At least one contact element and position element pair is arranged on the component such that the principle of the short, ie high pressing force, asymmetrical stress on component, and the long, i.e. strong tilting of bridging members after destruction of the component, lever arm is guaranteed.
Patent DE-19825703-A1 (DE)
Title: Deflector for reducing dirt accumulation on vehicle side window
Inventor: MANKAU HEINZ DR
IPC: B60R1/06
Filed: 1998-06-09
Abstract: Dirt is deflected from the side window (4) of a motor vehicle. The deflection device (8) is positioned between the external mirror (6) and the A-column of the vehicle body. The air deflector has an upper edge (12) which is free from parts affecting air flow and a deflection surface (11) which has the effect of augmenting the flow eddies occurring at the A-column. The surface is plan view is positioned at an angle of 20-45 degrees to the longitudinal axis of the vehicle.
Patent DE-19828738-A1 (DE)
Title: Ablaufventil
Inventor: HANNEMANN FRED
IPC: A47K1/14
Filed: 1998-06-27
Abstract: Bei einem sanitären Ablaufventil für Wasserbecken, bestehend aus einem Ablaufkelch mit einem Rohrstutzen und einem Verschlußstopfen mit einem Führungskörper, wobei der Führungskörper zur Öffnungs- und Schließbewegung des Verschlußstopfens mit einer Stirnseite an wenigstens einer Raumkurve anliegt, ist zur Verbesserung vorgeschlagen, daß die Raumkurve an einem Mutterteil ausgebildt ist, in das der Rohrstutzen einschraubbar ist, und der Führungskörper auf einer an dem Verschlußstopfen ausgebildeten Spindel drehfest, aber axial begrenzt, verstellbar befestigt ist.
Patent DE-19832330-A1 (DE)
Title: Test holder for integrated circuit with solder ball connections serving as test points
Inventor: SWART MARK A
IPC: G01R31/02
Filed: 1998-07-17
Abstract: An upper casing (14) attached to a circuit board (22), includes a cavity accepting the case (12) of the integrated circuit (28). The lower casing (16) lies below the circuit board and includes channels (41) accepting solid test pins. Resilience below the circuit board (membrane, 46), presses the test pins (38) up through the circuit board, into electrical contact with the test points (32) (solder balls).
Patent DE-19832414-A1 (DE)
Inventor: BORGMANN ROB
IPC: B41F15/08
Filed: 1998-07-18
Abstract: A rotating hollow screen template (2) is used with a print surface whose width is at least as wide as the greatest width of the objects to be printed. Following the printing process the ink remaining on the rollers is mechanically removed. An arrangement for carrying out the printing process is also claimed.
Patent DE-19834228-A1 (DE)
Title: An aqueous protective lacquer composition useful for coating plastics, paper, cardboard, wood, and support materials and as an oxygen barrier contains gelatin, an epoxide functional metal oxide sol, and an aqueous solvent
Inventor: ROTH CHRISTOPH
IPC: C09D189/06
Filed: 1998-07-29
Abstract: An aqueous protective lacquer composition (PLC) comprising gelatin, an epoxide functional metal oxide sol (I), and an aqueous solvent is new.  An Independent claim is included for preparation of the PLC involving preparation of the metal oxide sol and addition of this to an aqueous gelatin solution.
Patent DE-19836522-A1 (DE)
Title: Method to correction course-indicating faults in electronic compasses produced by permanent vertical magnetism of vehicle for vehicle inclination after compensating for course-indicating faults produced by horizontal magnetism
Inventor: ASSKAMP UDO
IPC: G01C17/38
Filed: 1998-08-12
Abstract: The method is performed after compensation for course-indicating faults produced by the horizontal magnetism with the aid of the constancy of the vertical, horizontal or overall Earth's magnetic field strength . Several measurements of the magnetometer , as well as from possible measurement of the inclination of the ship, are made. The vertical magnetism (Rs) of the ship is determined for different inclinations, to correct the course reckoning.
Patent DE-19839278-A1 (DE)
Title: Endoscopic wire loop instrument between end tubes
Inventor: OUCHI TERUO
IPC: A61B18/14
Filed: 1998-08-28
Abstract: A flexible wire loop made from a single wire is bent through 180 deg on itself at its distal and proximal ends (1a) to form a regular loop in its center part so the incoming sectors of the wire are fixed in a distal end tube (2) and in the proximal end tube or sleeve (5).   A control wire (6) moves axially freely in the sleeve (5).   The wire is free in the tube (2) and the sleeve (5) in its parts immediately preceding the fixed ends. Loop and control wire (1 and 6) enter the sleeve from opposite ends, the loop wire pulled in and run out by means of the axial movement of the control wire (6).   The control wire forms a continuation of the proximal end of the loop wire (1). An endoscopic instrument using this loop principle has four wires forming a four-wire basket or cage.
Patent DE-19840966-A1 (DE)
IPC: C23C4/01
Filed: 1998-09-08
Abstract: The invention relates to a low friction, wear-resistant and antiadhesive surface coating which is designed for a substrate (14). Island shaped projections (18, 18') made from the same material as the coating are formed and evenly distributed over the substrate (14). The invention also relates to a method for producing such a surface coating, according to which projections (18, 18') are formed on the substrate, said projections being made from the same material as the surface coating and exhibiting the shape of islands evenly distributed on the surface of the substrate (14).
Patent DE-19841788-A1 (DE)
Title: Seat for cabriolet has holder in back rest in which wind partition is slid between effective and ineffective positions, holder having two parallel rails
IPC: B60N2/90
Filed: 1998-09-12
Abstract: A seat (1) for a cabriolet has a holder located in its back rest (2) in which a wind partition (4) can be slid between an effective (5) and an ineffective position (6). The holder has two parallel rails to guide the partition. The holder is located and designed so that the partition can be pulled upwards and out. The holder has at least one stop (7) on which the partition rests in its effective and/or ineffective position. The holder has at least one catch mechanism which jams the partition in its effective and/or ineffective position. The catch mechanism has teeth which reach into a ratchet.
Patent DE-19842775-A1 (DE)
Title: Differential gear has two-part housing, drive wheel, wedge-shaped recess, and ring
Inventor: KRAML HORST
IPC: F16H48/08
Filed: 1998-09-18
Abstract: The differential gear has a housing (1) consisting of at least two parts (2,3) and to which a drive wheel (5) is fixed. The two housing parts are radially centered by means of at least one wedge-shaped recess (6) in one of the housing parts. A circular-sectioned ring (7) with a larger cross-section than that of the recess fits into the recess.
Patent DE-19846221-A1 (DE)
Inventor: GHIARDO FIORENZO
IPC: B65H51/22
Filed: 1998-10-07
Abstract: The invention relates to a yarn tension device (B9) for a yarn feeding apparatus (F). In said device, an annular, thin-walled tension body (D) forms a continuos conical tension surface (C) along the periphery and the tension body is mounted in the outer area of an annular support structure (T) by means of a first spring device (S1) enabling the yarn tension device to be placed on a stationary support (A). The tension body (D) is a closed circular ring in which the conical tension surface externally borders on the inner diameter and projects as a single piece having a plurality of lamellae (L) with the shape of outwardly oriented rays resiliently deformed by an arched curvature forming the first spring device (S1). The outer ends of the spiral spring lamellae (L) are connected by a ring element (R) that can be fixed on the support structure (T) in the tension body at a radial distance from the tension surface (C). In a yarn feed device fitted with said yarn tension device, the support structure (T) is held in the support in such a way that it can be tilted from all sides in an universal joint consisting of positive fitting interlocking ring parts.
Patent DE-19848379-A1 (DE)
Title: Anordnung zur Dämpfung einer Pulsation eines durch eine Fördereinrichtung geförderten Fluids
Inventor: HILGERT ANDREAS
IPC: F16L55/027
Filed: 1998-10-21
Abstract: Die Erfindung betrifft eine Anordnung zur Dämpfung einer Pulsation eines durch eine Fördereinrichtung geförderten Fluids, wobei das Fluid über ein erstes rohrförmiges Element in einen durch ein flexibles Element gebildeten Hohlraum geleitet wird und über eine zweites rohrförmiges Element aus dem Hohlraum austritt, und wobei die rohrförmigen Elemente (23, 25) innerhalb des Hohlraumes in dem flexiblen Element angeordnet sind. DOLLAR A Es ist vorgesehen, daß die Länge (a, b) der einzelnen rohrförmigen Elemente (23, 25) kleiner ist als die Länge (c) des Hohlraums, und daß die Summe der Längen (a + b) der rohrförmigen Elemente (23, 25) größer ist als die Länge (c) des Hohlraums.
Patent DE-19848875-A1 (DE)
Title: Built-in domestic appliance has hollow ribs to form supports at defined support points in its housing
Inventor: HERZER KARL
IPC: A47L15/42
Filed: 1998-10-22
Abstract: The hollow ribs (16) are located in the opposite sidewalls (12,14) of the housing (10) and each rib extends from the vicinity of the top wall end to the vicinity of the bottom wall end. The ribs (16) and the support points serve to absorb and transfer external forces, e.g. stacked additional appliances.
Patent DE-19852402-A1 (DE)
Title: Electric light, especially candle light, has entire electronic arrangement including energy storage device encapsulated in externally tightly sealed translucent or transparent insert
Inventor: RIEDHAMMER FRANZ
IPC: F21V23/04
Filed: 1998-11-13
Abstract: The electric light has an electronic arrangement containing at least one electrical light emitting element (8), an electrical energy storage device (6) for powering the light emitting element and at least one solar cell (9) for charging the energy storage device. The entire electronic arrangement, including the energy storage device, is encapsulated in an insert (3) that is externally tightly sealed, consists at least partly of a translucent or transparent material and is inserted into a light body (2).