baber/WOPTO huggingface dataset:
Patent DE-4126384-A1 (DE)
Title: Two phase pump with no moving parts - uses compressed gas to force hot corrosive fluids through dynamic valve
Inventor: BOJAN VASILE-ADRIAN
IPC: F04F1/06
Filed: 1991-11-22
Abstract: The two phase pump comprises two containers (R1 and R2), pipes (AE1, A2, E, C1, C2) and a dynamic valve (SD). In the admission phase,the fluid runs through the pipe (AE1) into the container (R1) and through the dynamic valve and pipe (A2) into the container (R2), where the pressure is p1=p2=0. In the evacuation phase, compressible gas is introduced through pipes (C1 and C2) into the containers, when the condition becomes p1>p2. ADVANTAGE - Pump without moving parts made of non-conventional material (e.g. glass, graphite) and capable of handling hot corrosive fluids.
Patent DE-4127793-A1 (DE)
Title: Parking trolley for cars -  has low-level support platform and steering rollers
Inventor: MUELLER HANS-JOACHIM
IPC: B60S13/00
Filed: 1991-08-22
Abstract: The parking trolley is for cars or caravans, and has a low-level support platform (1). This is connected to two flexible or rigid leading plates (2), which are movable relative to the support plate. The support platform is located between the steering rollers (4,5). It is connected to body parts (3), so that a rigid unit results. USE/ADVANTAGE - Trolley for cars permits parking in places with difficult access.
Patent DE-4131699-A1 (DE)
Title: Transporter belt for upright bottles in processing line - has pairs of grip arms for bottle necks opened when belt is fed around guide wheel
Inventor: LEIPOLD WILLIBALD
IPC: B65G17/32
Filed: 1991-09-24
Abstract: The endless belt transporter (1) grips the bottle necks when moving in a straight line and releases the grip when fed around the guide wheels (8,9). The pairs of grips (17,18) have an elastic grip on the bottles along the straight sections and are forced apart when taken around the guide wheels. No separate grip controls are required. The pairs of grips are shaped to fit the particular bottle necks. Grooves in the grips align with collars on the necks for vertical support. ADVANTAGE - Secure grip of bottle necks, simple transport system.
Patent DE-4136278-A1 (DE)
Title: Prepn. of branched fatty substance for lubricants - by reacting unsatd. fatty substance and unsatd. cpd. using noble metal catalyst
IPC: C07C67/347
Filed: 1991-11-04
Abstract: Branched fatty substances (I) are prepd. by reacting unsatd. fatty substances at raised temp. with alpha,beta-unsatd. cpds., in presence of noble metal catalysts. The unsatd. fats are pref. fatty acids of formula R1CO-OH, or fatty acid lower alkyl esters of formula R2CO-OR3, or fatty acid glycerol esters of formula (I). R1CO, R2CO, R4CO, R5CO, R6CO = 16-24C (un)branched acyl gp. with 1-5 C=C bonds, and opt. with OH substits.; R3 = 1-4C alkyl. The unsatd. cpds. are carboxylic acids or esters of formula H-(CH2)n-CH=C(R7)-COOR8. USE/ADVANTAGE - (I) are used in prepn. of lubricants (claimed). Satisfactory yields of 1:1- and 2:1-adducts are obtd
Patent DE-4137128-A1 (DE)
Title: Read head for bar codes - has several transmitters of different spectral colours to obtain good reflection of light from bar code contg. lines of several spectral colours
Inventor: WINKELHAKE WERNER DIPL ING
IPC: G06K7/10
Filed: 1991-11-12
Abstract: The read head (2) contains a pair of glass fibre optical conductors (3, 4) coupled to an optical receiver (7), and three optical transmitters (5). The three optical transmitters output light from several light sources of different spectral colours. The transmitted light outputs are directed onto the surface containing the bar code. Each line in the bar code comprising of several closely spaced lines of different spectral colours. This allows reflected signals to be generated that can be identified for different bar code backgrounds and conditions. ADVANTAGE - Allows bar codes to be read from different backgrounds.
Patent DE-4138935-A1 (DE)
Title: Cordless telephone number assignment system using data card - uses card reader supplying number read from card to memory with successive introduction of card to indicate number of mobile stations
IPC: H04M1/727
Filed: 1991-11-27
Abstract: The cordless telephone has a base station (BS) and one or more associated mobile stations (MS), each of which is in the reception mode in its rest condition, with a search cycle scanning the associated radio channels. The telephone number is entered in a memory and transmitted via a free channel to establish a call connection, the received number checked at the reception station, to engage the channel. A data card reader (KL) is used to scan a data card (DK) carrying the telephone number, for entering it in the memory, with the number of successive times the data card (DK) is entered in the reader (KL) used to identify the number of mobile stations (MS) associated with the base station (BS). ADVANTAGE - Allows simple re-configuration.
Patent DE-4141357-A1 (DE)
Title: Mfg. preform for composite material with metal matrix - useful for strengthening pistons in combustion engine, for mass prodn.
Inventor: AKIYAMA MASARU
IPC: C22C49/00
Filed: 1991-12-14
Abstract: A method is described for making a 3 component metal matrix composite (MMC) consisting of a preform (Pf); a buffer layer (BL); and a metal matrix. In this process, the Pf is made by dispersing a ceramic whisker (CW) in liq., pressure filtering, and using the filter cake to make a Pf with volume ratio (VR) of 12-30%. The BL is made from a second dispersion of a CW and a binder, and is applied to the Pf, having a VR of 2-20%. Finally, the dried, combined Pf and BL are treated with the molten metal to give the MMC. The CW used in both dispersions are suitably SiC, SiN, Al2O3, ZrO2 or K titanate, and the CW used in the BL are larger than those in the Pf; the binder is suitably silicic acid, and the metal is advantageously an alloy of Al. USE/ADVANTAGE - Useful in making piston heads. The Pf and BL are firmly and uniformly joined. Technique amenable to mass production.
Patent DE-4212717-A1 (DE)
Inventor: KNECHT WOLFGANG DIPL ING
IPC: F28F9/16
Filed: 1992-04-16
Abstract: The invention relates to a heat exchanger (10) having a heat exchanger grid (11) which has a multiplicity of tubes (12), and having at least one base plate (14, 15), which is attached to the tube ends (22) by expanding the latter and has a multiplicity of cutouts (18) and, in addition, sealing elements (20) with through holes (21), which are aligned with the cutouts (18) and are provided with sealing collars (23) which are located in the cutouts (18) and surround the through-reaching tube ends (22). In common with the through-reaching tube ends (22) which expand for the purpose of attachment, the cutouts (18) of the base plate (14, 15) and the through openings (21) of the sealing elements (20) are constructed in cross-section approximately in the shape of a triangle, the triangular tube ends (22) being expanded in an approximately triangular or tulip-shaped fashion. <IMAGE>
Patent DE-4214737-A1 (DE)
Inventor: SCHOENERT KLAUS PROF DR ING
IPC: B02C1/00
Filed: 1992-05-04
Abstract: Brittle material (1) is ground batchwise as a bed of particles by compression between non-yielding hard surfaces at a pressure of at least 50 MPa. In order to reduce the energy requirement and machine expenditure needed for fine, superfine and microfine comminution the bed of particles is subjected to repeated stressing by pistons (4) in different directions and at least in part successively. The stressing preferably is accomplished by groups of two opposed pistons (4) which are offset at an angle with respect to each other and which are rendered active one after the other. The stressing is repeated in another plane  of the grinding chamber. Wet grinding is carried out in a closed grinding chamber from which the liquid expelled from the voids between the particles being ground can drain through at least one aperture of narrow cross section.
Patent DE-4216936-A1 (DE)
Title: Water energiser - has powdered hollow shaft assembly with paddles to raise water in spiral to mushroom disc to form water film on shrouding bell hood
IPC: C02F1/00
Filed: 1992-05-22
Abstract: The appts. to vitalise water has a vessel with a motor to power a non-magnetic hollow shaft assembly below the water level. The water is forced into an upwards spiral through blades in a capillary tube in a scoop action, to the upper surface of a mushroom-shaped disc. The water clings to the plate surface as it is spun radially outwards to the outer edge to be deposited as a thin water film on the inner wall of a bell-shaped non-magnetic hood, to move downwards. USE/ADVANTAGE - The appts. is a cheap unit to restore energy to water from conventional water supplies.
Patent DE-4219233-A1 (DE)
Inventor: BIECK TORSTEN
IPC: G11B23/023
Filed: 1992-06-12
Abstract: 2.1. For storing magnetic tape cassettes, devices which comprise a housing (1) and a slide (2) mounted displaceably therein are known. As known, protruding upwards on the slide there may be rigid blocking lugs which engage in the tape winding hubs of a compact cassette to be stored. 2.2. To be able also to store digital cassettes in such a device, pivotable blocking members (9) are proposed, which members are resiliently pushed upwards from the bearing surface (7) when the slide is pushed in. <IMAGE>
Patent DE-4220217-A1 (DE)
Title: Endoprosthesis for shoulder joint head replacement - has metal cap, whose inner surface has open cell or pore structure and has conical shaft tapering towards full end and forming sleeve
Inventor: RUETHER WOLFGANG PROF
IPC: A61F2/00
Filed: 1992-06-20
Abstract: The metal cap (2) has a rotation symmetrical outer, dished surface, while its inner surface (10, 12) has a structure (16) with open cells on faces. Inside (8) of the cap is pref. formed a central shaft (14) conically tapering towards its full end, forming a sleeve. The shaft is also formed of an open cell or porous metal structure. Alternately it may have a solid metal core and an open cell or pore surface structure. It typically protrudes from the cap inside by a first length. The cap inner surface has a specified configuration. ADVANTAGE - Improved anchorage in adjacent bone tissue.
Patent DE-4222269-A1 (DE)
Title: Cavity-mounted electrical conductor for vehicle - has steel wire core bent into meander within cable so that it is held tight inside cavity
Inventor: KLEEFELD WILFRIED
IPC: B60R16/02
Filed: 1992-07-07
Abstract: An electric cable for use in a cavity, especially a hollow chassis member of a car, is designed for avoiding noise caused by intermittent contact between cable and cavity. The cable is pre-tensioned into a corrugated shape in at least two planes (ie, it has a sinusoidal contour). To generate this shape, a steel wire is bent into a meander (zig-zag) shape and this is contained within the insulated outer wrapping along with the separate conductors of the cable. The peak-to-peak size of the meander must naturally be that of the cavity diameter or width. ADVANTAGE- Avoids intermittent contact noise between cable and cavity without impairing ease of assembly.
Patent DE-4224435-A1 (DE)
Title: Optical interface for infrared monitoring of transparent screen - uses optical waveguide to couple light from IR source onto screen and has photodetector receiving reflected light fed via second waveguide
Inventor: GOTTWALD PETER PROF DR
IPC: G01N21/94
Filed: 1992-07-24
Abstract: The optical interface includes an infrared light source (IRQ) which feeds light via an optical waveguide (LWL/S) into the inside of the interface where it illuminates the surface of the screen. The radiation reflected from the screen is received into another optical waveguide (LWL/E) and fed to a photodetector via a daylight filter (PD). The inside of the interface is filled with a material of suitable optical characteristics. The IR source and the photodetector are arranged in a housing including electrical circuitry. A temperature sensor is provided in thermal contact with the screen, and suppresses a spray device in case of freezing. USE/ADVANTAGE - For detecting wetness and dirt for triggering cleaning equipment, e.g. wipers. Interface is purely optical.
Patent DE-4225622-A1 (DE)
Title: Control method for building heating and cooling systems with inertia - estimating average external temp. against time from measured values over previous 24 hour period taking account of day-night fluctuations and trends
Inventor: SCHEU WALTER DIPL ING
IPC: G05D23/19
Filed: 1992-08-03
Abstract: The method of controlling systems operating according to the temp. in heating and cooling systems and to external temp. involves estimating the anticipated average values for external temp. at intervals from the measured values over the previous 24 hours. Each time interval between average temp. values can be freely selected. Each time interval between the last measured value and the estimated average value can be freely selected. ADVANTAGE - Takes into account fluctuations in temp. between night and day and trends towards generally warmer or colder weather.
Patent DE-4226627-A1 (DE)
Title: Release for engine-gearbox assembly - has release in clutch assembly providing easy disengagement and assembly of engine and gearbox.
Inventor: MAUCHER PAUL
IPC: F16D25/08
Filed: 1992-08-12
Abstract: The vehicle clutch comprises an axial guide on the driven side, and a roller bearing between this and the clutch release.A connection links the disengagement actuator with the clutch release.One of the disengagement parts has a locking connection sunk into a recess. Another part has a gripping contour, which fits through the lock. Before assembly of engine and gearbox, part of the lock is mounted on the engine and part on the gearbox; the two automatically become attached during assembly.
Patent DE-4227343-A1 (DE)
Title: Key plate release for coupling mechanism of coin operated shopping trolley - is inserted between latching levers to move ends clear of locating grooves to allow separation
Inventor: HOFFMANN DIETMAR
IPC: G07F7/06
Filed: 1992-08-18
Abstract: Units such as trolleys used in supermarkets are mechanically coupled together in a storage area and can be released by insertion of an authorised key plate (40). The trolleys are mechanically coupled by a pair of levers (2, 4) on one unit that have profiled tips (6) engaging in formed grooves (28) on the other unit (18). The keyplate has a section (42) with a rounded tip (54) that pushes the levers apart to effect release. ADVANTAGE - Allows key plate to be used for trolley release.
Patent DE-4227718-A1 (DE)
Title: Counter-rotating propeller propulsion system for ships - has spray nozzles to apply lubricating oil mist to end of sealing gap
Inventor: MERK KARL-HEINZ
IPC: F16N7/26
Filed: 1992-08-21
Abstract: The system contains a ring space next to a sealing gap. The space (26) contains a spray nozzle (36), fastened to the inner propeller shaft (2). The nozzle is in flow-connection with an oil feed channel (40,42) of the shaft. It sprays an oil mist (44) onto the end (22) of the sealing gap (24). Several spray nozzles may be evenly distributed about the propeller shaft. One sealing ring (18) consists of a material, pref. synthetic or rubber, which is softer than that of the other sealing ring (12). This consists pref. of metal. USE/ADVANTAGE - Counter-rotating propeller propulsion system for ships prevents damage to seal, which may be caused by the consequences, e.g. overheating, of inadequate lubrication.
Patent DE-4229050-A1 (DE)
Title: New esters and amides of 9-chloro-prostaglandins - useful, e.g., in treatment of glaucoma and as diuretic agents
Inventor: BUCHMANN BERND DR
IPC: C07C405/00
Filed: 1992-08-31
Abstract: Esters and amides of 9-chloro=prostaglandins, of formula (I), and their cyclodextrin clathrates, are new: X = O or Ch2; R1 = COOR2 or CONHR3; R2 = an opt. substd. phenacyl gp.; R3 = an opt. substd. 1-10C alkyl gp.. Substituents on the phenacyl gp. are 1-4C alkyl or halo. Dosage is esp. 5-500ng/cm2, or 1-100ng/cm2 for treatment of elevated intraocular pressure. USE/ADVANTAGE - (I) are useful, e.g., for promoting skin or renal circulation, for treatment of glaucomam, or as diuretic agents. Admin. is esp. in the form of a plaster, salve, soln., crean lotion. (I) are stabler, and have longer and more specific activity than corresp. natural prostaglandins. In an example, a soln. of (5Z,13E)-(9R,11R,15S)-9-chloro-15-cyclohexyl-11,15-dihydroxy- 16,17,18,19,20-pentanor-5,13-prostadienoic acid (100mg) and omega-bromacetyophenone (75mg) in MeCN (2.6ml) was treated with NEt3 (0.057ml) in acetone (1.25ml) and the mixt. stirred at 24 deg. C for 18 hrs.. Further omega-bromoacetophenone (40mg) was added and the mixt. stirred at 24 deg. C for 16 hrs.. Work up gave 114 mg of the corresp. phenacyl ester. In tests on narcotised hairless rats, using the non-ivasive Laser-Doppler method, this cpd. (at a concn. of 0.003% in isopropyl myristate/EtOH 5:95) increased skin circulation by 160%.
Patent DE-4229772-A1 (DE)
Inventor: SCHWANDA JOSEF
IPC: F03B11/06
Filed: 1992-09-05
Abstract: In a hydroelectric machine with a vertical axis, a shaft (1) mounted in a star-shaped bearing support (6, 7) and having a shaft coupling flange (30) is provided with a supporting head. This has bearing surfaces (3, 4) and/or bearing rings for a supporting bearing and a thrust bearing. The segments (12) of the thrust bearing are supported via adjusting elements (20) on a thrust ring (11) firmly connected to the star-shaped bearing support. Each thrust bearing segment (12) is supported via a single segment carrier (14) on the thrust ring (11) of the star-shaped bearing support. The segment carriers (14) are screwed to the said thrust ring (11), the inside diameter of the thrust ring (11) being larger than the outside diameter of the shaft coupling flange (30). In this way, it is possible to obtain small diameters of the bearings and hence keep down the bearing losses. There is no need of thrust rings divided (for the purpose of assembly) into parts. <IMAGE>
Patent DE-4232268-A1 (DE)
Title: Surface mounted component with several input and output terminals - has input terminal divided into several groups, each at one component outer surface
Inventor: SCHINAGEL DIETER DIPL ING
IPC: H04Q3/52
Filed: 1992-09-25
Abstract: The surface mounted component has identical input and output terminals (E,A). The component has an SMD housing with a number of terminals at the connecting sides. The input terminals are divided into at least two groups, each on an outer surface of the component. The input terminal gps. are symmetrically fitted in a mirror axis (SPA), parallel to the surface sides of the component and a circuit board. Pref. on another outer side common output and potential terminals are fitted such that, on fitting of two outer sides with input terminals, the fourth outer side remains free. USE/ADVANTAGE - For processing digital signal with bit rate of several hundred M bit per sec.. Provides intersection-free connections on circuit board even at high data rates. Conforms to 50 Ohm characteristic input impedance on connection to further components.
Patent DE-4233454-A1 (DE)
Title: Surface guided vehicle with inductive track wire - set between metallic strips to provide improved protection against mechanical damage by vehicle
Inventor: PRECHTEL GEORG
IPC: G05D1/02
Filed: 1992-10-05
Abstract: A guided vehicle moves to follow a guide wire (12) that is set into plastics material (14) embedded into the ground surface. The plastics sits on a foam plastic material (16). When the wire is supplied with electrical power and inductive coupling is established with coils built into a vehicle and the signals generated are used to control the vehicle steering. Mechanical damage by the vehicle as it runs along the path is prevented by locating the guide wire assembly between metallic strips (13), such as steel. The strips are retained in concrete by ties (18). strip ADVANTAGE - Improved protection against mechanical damage without affecting functioning of system as a whole.
Patent DE-4235454-A1 (DE)
Title: Emulsion and fluid mixt. separator - has wedge shaped zones to break material down into its components for separate removal
Inventor: SCHLOETZER EUGEN
IPC: B01D17/025
Filed: 1992-10-21
Abstract: The static assembly to separate mixed fluids, emulsions and the like, has an initial wedge shaped inflow zone (2) for the material, with a decreasing taper cross section shape downwards. The inflow (3) is at a gap below the upper surface (2'') and the outflow (4) is at the lower pointed end. An outflow vessel (5) near the inflow zone (2) has a flow opening (7) for the float (6) medium, and a narrow outflow tube (8) from the base to a second wedge shaped inflow zone (9) where the tapering point decreases upwards to an outflow (14) for the specific light components (13). A lower outflow (15) is for the collected specific heavy components (12). A coalescent filter (16) for light fluids is above the lower outflow (15). USE/ADVANTAGE - The assembly is for the separation of mixed fluids, emulsions and the like. The assembly is simple, and gives a continuous and reliable sepn. and removal of the components of fluid mixts., and emulsions.
Patent DE-4239906-A1 (DE)
Title: Sepn. of flocculatable impurities, esp. oil from liquids - where liq. enters filter bag from above via pipe which extends into filter bag base and has flow diverter or radial borings near its outlet
Inventor: KOCH BERTHOLD
IPC: B01D35/02
Filed: 1992-11-27
Abstract: Device for removing flocculatable impurities from liquids consists of an exchangeable filter bag (5) into which the liquid is delivered from above, and has the novel feature that the liquid delivery pipe (9), which may be rigid or flexible, extends into the filter bag so that its outlet (14) is close to the base (10) of the filter. The liquid inlet pipe is provided at its upper end with one or more openings (17) which serve as overflow outlets. The lower end of the liquid inlet pipe may be provided with a bell-shaped element which is located opposite the liquid outlet and reverses the direction of the liquid flow. The inlet pipe may also be provided with radial openings (15) close to its cutlet. USE/ADVANTAGE - For removing flocculatable foreign and/or floating materials - e.g. oil - from liquids. The quantity of flocculant required is minimised.
Patent DE-4241893-A1 (DE)
Title: Industrial prodn. of ascorbin oxidase enzymes from gourds - by preparing fruit juice and adding sodium hydroxide, rendering enzymes water soluble
Inventor: MARCHESINI AUGUSTO
IPC: C12N9/02
Filed: 1992-12-11
Abstract: Industrial prodn. of ascorbin oxidase enzymes by extn. from plants comprises use of gourds of type F (Cucurbita pepo) or other types of commercial quality. These are cleaned in running water, cubed and homogeneised at high speed. The homogenised compsn. is centrifuged or cleared, to separate the solid from the liq. phase and obtain a liq. plant juice. The juice is filtered and treated with NaOH to raise the pH and render the ascorbin oxidase enzymes completely soluble. USE/ADVANTAGE - The enzymes are used in biological oxidn.-retarding protective systems for foods of plant or animal origin, removing O2 and thus retarding the action of phenolases. Prods. with 5-70 enzyme units/ml. can be obtd.
Patent DE-4244048-A1 (DE)
Title: Armoured glass structure
Inventor: FRICKE HELMUT DIPL ING
IPC: B32B17/10
Filed: 1992-12-24
Abstract: The protective glass structure, resistant to heat and ballistic impact, has glass panes of boron silicate glass bonded together by transparent tough thermoplastic film or poured duroplastic resin.One or more polycarbonate plates are between the panes, and the whole structure assembly is enclosed by polycarbonate plates.One or more laser protection filters are between the panes, and at least one radiation protection glass containing lead is between the panes. One or more panes can be coated with thin transparent metal layers for protection against electro-magnetic radiation.