baber/WOPTO huggingface dataset:
Patent DE-2824762-A1 (DE)
Title: Gear pump or motor - has at least two adjacent tooth valleys on each gear wheel interconnected by machining of tooth tips
Inventor: NONNENMACHER GERHARD DIPL ING
IPC: F04C2/08
Filed: 1978-06-06
Abstract: The gear pump or motor has a connection between at least two adjacent tooth valleys (21, 22) on each gear wheel (12, (13) produced by removing material from the tip of the tooth (19, 20) between these valleys. Individual teeth may have a somewhat smaller dia. (Dki) addendum circle than the normal addendum circle dia. (Dk) of the other teeth (16, 17) Individual teeth may, alternatively, have their tips provided with tangential or inclined grooves to connect adjancet valleys. The interconnections may be equally spaced around the gear wheel, e.g. every other tooth tip may be so treated, or the spacing may be irregular.
Patent DE-2852472-A1 (DE)
Title: Domestic cooker air filter clogging indicator - uses coloured liquid in capillary vessel evaporated by fan drive motor current
Inventor: BERNUTH GOETZ VON DIPL PHYS
IPC: B01D46/44
Filed: 1978-12-05
Abstract: The degree of clogging is indicated by a vessel with a capillary opening and containing a coloured liquid up to a marked level. The current required for the fan drive motor is passed through a heating element around the vessel and when the filter needs cleaning, the higher current causes the liquid to evaporate and its level to drop. A simple, inexpensive and reliable way of indicating the degree of clogging of the filter.
Patent DE-2853148-A1 (DE)
Title: Christmas tree fastening in stand bore - uses auxiliary receptacle fitting into stand bore and cast of hardenable mixt. securing tree stump
Inventor: HEUERMANN HANS-ULRICH DIPL KFM
IPC: A47G33/12
Filed: 1978-12-08
Abstract: The Christmas tree in an appropriate stand (1), inside a recess (5) consists of plastic auxiliary container (2) with external shape matching the recess (5) in the stand (1). A setting mixture (3) is poured into the recess (5), and the lower part of the tree trunk (4) is fastened to the mixture (3). The fastening process uses a plastics receptacle (2) of outer shape fitting the base (5) in the stand. Prior to, or after, filling the receptacle with a handleable earthing mixture (3) the lower tree end (4) is inserted into it, and then the assembly is inserted into the stand base. The base for the auxiliary receptacle is positioned in the middle of the stand and is circular in cross-section, a conically tapering downwards. The stand is a disc, e.g. of aluminium, with a raised part in the middle. It is roughly 30 to 60 centimetres in diameter, and the average diameter of the receptacle and base is between 5 and 12 centimetres. The base is 7 to 12 centimetres deep.
Patent DE-2901060-A1 (DE)
Title: Solubilisation of biologically active cpds. - by reaction with activated hydrophilic polyether
Inventor: MOEHRING EDGAR DR
IPC: A01N47/34
Filed: 1979-01-12
Abstract: Process for increasing the water- and alcohol-solubility of biologically active substances (I) contg. >=1 active H atom comprises reacting (I) in 1:1 molar ratio with a product (II) obtained by reacting an OH-, NH- or NH2-mono-functional hydrophilic polyether (III) having an H2O-uptake capacity of >=15 wt.% with an organic cpd. (IV) contg. >=2 reactive gps. capable of reacting with active H. The equiv. ratio of (III) to (IV) is (m-1):m, where m is the no. of reactive gps. in (IV). The process can be used to solubilise a wide range of pharmaceuticals and pesticides. A specified cpd. (I) is the herbicide 4-amino-6-t-butyl-3-methylthio-1,2,4-triazin-5(4H)-one, which also has insecticidal activity after modification as above.
Patent DE-2901851-A1 (DE)
Title: Oscillating vane swashplate pump - has slots at right angles through eccentric shaft, for pairs of sliding vanes
Inventor: RENNER WOLFGANG
IPC: F04C2/344
Filed: 1979-01-18
Abstract: The radial vane swashplate pump with improved action for conveying highly viscose liquids at lower speeds, has an eccentric shaft section (3) rotating inside a pump chamber (2). The max. gap (2) between the rotor and the chamber wall is twice the eccentricity (X) of the shaft. This shaft has two grooves (4) at right angles to each other for two pairs of sliding vanes (5, 6). The ends of these vanes are rounded for contact with the interior of the pump chamber. They reciprocate inside the grooves assisted by centrifugal force, due to the eccentricity of the drive shaft. The total travel of a vane is 30% of the largest width of gap, and the total travel of a pair of 70% of the width. The top and bottom edges of the vanes are extended, with a width which is less than a quarter of the overall vane width.
Patent DE-2906825-A1 (DE)
Title: Capacitative separating member for coaxial connection - has large chamber with capacitors for outer conductors and small chamber for inner conductor (NL 26.8.80)
Inventor: WORCH HERMANN
IPC: H01R13/646
Filed: 1979-02-22
Abstract: The capacitative separating member between two coaxial cable connections (25, 26) has an outer housing inside which is a partition (36) dividing it into a large chamber and a small chamber (37). These are used as shielding chambers. The small chamber houses a capacitor (39) for the inner conductor, and the larger chamber houses capacitors (55) for the outer conductors. The smaller chamber is formed by a metal strip bent into a U-shape, and is mounted on the inside of one end of the rectangular outer housing. This housing forms a high frequency chamber. The two strips forming the top and bottom of the small chamber have holes to clear the inner conductors.
Patent DE-2909166-A1 (DE)
Title: Glass container sorting mechanism - has spider wheel with pockets and ridge over which container beads slide
IPC: B07C5/12
Filed: 1979-03-08
Abstract: The sorting mechanism is for glass containers, delivered one after the other on a conveyor belt. Containers have beads below their openings and reduced diameter necks below the beads e.g. bottles, jars etc. The conveyor divides into two, with an automatic monitoring station before the junction recognising several characteristics of the containers as they are transported through by a spider wheel which directs them according to detected characteristics. The wheel has an upper spider plate (8) with recesses (11) round the periphery between segments (25) whose distance is greater than the minimum external cross-section of the necks and less than the maximum external cross-section of the beads. On the top surface of one or both segments is a ridge formed by faces sloping in opposite directions (30). As each container (1a, 1c) is inserted the bead slides up the first face and on passing over the ridge is prevented from slipping back again.
Patent DE-2928334-A1 (DE)
Title: Automatic mains cut=off for coin operated machines - monitors signal lines using amplifier of variable sensitivity and switching relay upon detecting disturbance signal
Inventor: KUBATSCH GUNTER
IPC: G07F9/02
Filed: 1979-07-13
Abstract: Coin-operated gaming machines include a sensing stage to detect disturbances in the electrical supply and to cause shut down of the system. A mains supply unit (1) provides power (11) for the electronic control unit (2) and peripheral units; switches (3a), l.e.d.s (3b), alphanumeric display (3c) and coin input stage (3d). An amplifier (4) with a variable sensitivity setting monitors the signal lines and in the event of a distrubance signal causes switching of a relay (5) to interrupt the supply (7). The supply is cut off until either manual reset is applied or a timer (12) effects re-connection.
Patent DE-2932570-A1 (DE)
Inventor: WUETHRICH HANS-RUDOLF DIPL ING
IPC: H01H85/18
Filed: 1979-08-10
Abstract: The high-voltage high-power fuse has a granular charge of quartz sand (7) and zeolite (8) inside a gas-tight housing (1, 2, 3). The zeolite (8) is loaded with SF6 and is thus able to store more SF6 at ambient pressure and 20 DEG C than would otherwise be possible. Upon melting of the fuse element (5) the SF6 is liberated and effectively assists the extinguishing effect of the granular material. <IMAGE>
Patent DE-2933300-A1 (DE)
Title: AVC for vehicle radio receivers - has detector to monitor ambient noise to control receiver
Inventor: MINNER WILLY
IPC: H03G3/32
Filed: 1979-08-17
Abstract: The automatic volume control stage is for use with a road vehicle radio receiver and allows the volume to respond to the ambient noise level. A suitably located microphone (M) monitors the ambient noise level and provides a signal to a transistor (T1) over a low pass stage (Tp1). A similar stage (Tp2) provides an input from a voltage divider (R2,R3) coupled to the receiver output. A control stage (R1,T3,RL) generates an output to a regulator coupled to the receiver to automatically raise the volume when the ambient noise detected is raised.
Patent DE-2933455-A1 (DE)
Title: Controlling threshold voltage of field effect structure - by dielectric layer contg. immobile ionic species
Inventor: SANDERS IAN RICHARD
IPC: H01L29/417
Filed: 1979-08-17
Abstract: Field effect semiconductor structure prepn. includes (a) providing a first dielectric layer bridging two diffused regions in a semiconductor structure; (b) providing a second dielectric layer contg. an immobile ionic species, pref. Cs, on the first layer, (c) providing a third dielectric layer on the second layer and opt. (d) providing a conductive layer over (part of) the third layer. The dielectric layer contg. ionic species may extend (i) between related diffused regions of an inactive transistor forming part of an regions of an inactive field transistor forming part of an IC. Dielectric layer contg. immobile ionic species controls transistor threshold voltage without use of surface dopant and the associated disadvantages of lowered breakdown voltage, a lower operation and reduced gain.
Patent DE-2942170-A1 (DE)
Title: Building heating system with heat pump - has accumulator by=passing three=way valve controlling heat emission
Inventor: BOGDANSKI FRANZ DR
IPC: F24D11/02
Filed: 1979-10-18
Abstract: The building heating system uses a heat pump, there being an accumulator between the latter and the radiators. The heat emitted from the latter is regulated by a three-way valve controlled by a room temp. detector. The accumulator (3a) forms a bypass across the valve (6a). When the pump (1a) is operating the valve can be arranged to divert surplus heat into the top of the accumulator, discharging the latter from the top when it is stopped. Under the latter condition a stop valve (8a) shuts off the flow of hot water between the pump output and the three-way valve.
Patent DE-2942297-A1 (DE)
Title: 2,4-Di:amino-phenoxy-alkylamine cpds. - are oxidn. hair dye coupler components, prepd. from 2,4-di:nitrophenol with chloro-alkylamine
Inventor: ROSE DAVID DIPL CHEM DR
IPC: C07D295/08
Filed: 1979-10-19
Abstract: New (2,4-diaminophenoxy)-alkylamines have formula (I), (where R is -(CH2)n-NR1R2 or -CHMeCH2-NR1R2, in which n is integer 1-5; each R1 and R2 is 1-4 C-alkyl, or R1 and R2, together with the N atom, for a morpholine, piperidine or pyrrolidine ring). (I), and their salts with organic or inorganic acids, are used as coupler components in oxidn. hair dyes. (I) form strong, fast brown to black and blue shades; are soluble in water, resist storage, are non-toxic and cause no skin-irritation.
Patent DE-2943967-A1 (DE)
Title: Cleaning device for concrete pump - has chamber containing cleaning ball, moved from external disengaged position into injection position
Inventor: SCHWING FRIEDRICH DIPL ING
IPC: B08B9/04
Filed: 1979-10-31
Abstract: The method of cleaning the interior of a pipe containing wet concrete, uses a device (5) to introduce a resilient ball (7) into the pipe (1) which is forced through the interior to clean the inside. The feed device has an open ended short section of tube (8) which can be lowered from a position between the two parts (1,6) of the pipeline to a position below the pipeline. At the same time an upper member (10) is moved downwards into its place. This has a chamber containing the ball, which is forced from its interior and into the pipeline by water or air pressure.. The cleaning device is esp. for a concrete pump and its distribution lines. The device is easily installed and enables the cleaning operation to be completed quickly before the concrete hardens, thus preventing damage to the equipment. It can also be designed for a quick transfer of the ball from one side to another where parallel lines are used, and also for recovery of the ball.
Patent DE-2948907-A1 (DE)
Inventor: SEIFERT KURT
IPC: F02M61/20
Filed: 1979-12-05
Abstract: A fuel injection nozzle is proposed which opens toward the outside and functions with a valve needle and two springs, and further wherein a throttle restriction is effective after a first portion of the opening stroke, acting as a pre-stroke, and can be subsequently rendered ineffective. The two springs having a predetermined certain relationship to one another enable an abrupt increase in closing force after the pre-stroke. The first spring, embodied as a compression spring, acts in the closing direction; the second spring, having a smaller force than the first spring and acting counter to the closing direction, is rendered ineffective after the pre-stroke has been performed.
Patent DE-2950146-A1 (DE)
Title: Vibration damper for IC engine - has damper springs to transmit torque between sleeve and hob in clutch
Inventor: RAAB HARALD
IPC: F16F15/12
Filed: 1979-12-13
Abstract: The damper is for a rotating drive-output clutch plate (1) of an internal combustion engine. It comprises at least two damper springs (21, 43) to transmit torque. A spring (43) is located between sections (3, 13) which have limited relative rotary movements forwards and in over-run. A spring (21) transmits torque under load and the first spring is used under no-load. A lock (69, 75, 95) controlled by the operation of the engine inhibits subsequent displacement of the no-load torsional vibrational damper (43) during an operation under load.
Patent DE-3000733-A1 (DE)
Title: Tap changer for power transformer - having insulation tube for housing vacuum switches and current limiting resistors
Inventor: KUMAGAI TATEO DIPL ING
IPC: H01F29/02
Filed: 1980-01-10
Abstract: A cylindrical insulation housing (73) contains the vacuum switches (V1-V9), current limiting resistors (66-68), and mechanical gearing (71) for the tap changer. Switches (V1-V9) and resistors (66-68) are mounted on an insulation plate (78) located inside the housing and perpendicular to its longitudinal axis. The moving contacts of the vacuum switches are linked to the mechanical gearing (71) by rods (80) made of insulating material. The housing contains the relevant components for all the phases of the tap changer. They are arranged circumferentially round the support plate (78). Barriers (91) may be provided to separate the phases. The gearing is at earth potential and linked to an external operating mechanism (5, 6, 92). The electrical selector contacts for the taps are contained in a separate assembly (60-65) below the housing(73) containing the vacuum switches.
Patent DE-3002014-A1 (DE)
Title: Nonlinear resistance stack for HV protection - has discs held between end contacts and enclosed by heat shrunk film
Inventor: BRAGINSKIJ ROMAN PAVLOVIC
IPC: H01C7/12
Filed: 1980-01-21
Abstract: The excess voltage protection device for high voltages uses a stack of non-linear resistances (4) shaped as discs. The stack is held together by a foil (1) which is hot shrunk around them also acting as an insulation layer. The foil may be polyethylene or fluorine plastics sheet. The stack, which also includes a contact disc (2,3) at each end, is supported by channel with a plate at each end, with a screw passing through a tapped hole in each plate to apply pressure to the ends of the stack while the foil is being heat shrunk around it.
Patent DE-3009213-A1 (DE)
Title: Kitchen grater for fruit and vegetables - consists of frame with transverse grating surfaces made of trapezoidal teeth
Inventor: SCHLUND MANFRED
IPC: A47J43/25
Filed: 1980-03-11
Abstract: The kitchen grater is intended for vegetables and fruit, and consists of a frame, and transverse surfaces (3) for grating, fixed at both ends to the lengthwise sides (2) of the frame. The grater teeth (4) on the transverse surfaces (3) are shovel-shaped (5) and trapezoidal. Each 'shovel' (5) has a bottom, closed side fixed to the top edge (9) of the crosswise surface (93). A frictional surface protrudes alternately from each side.
Patent DE-3015810-A1 (DE)
Title: Power generator using wave energy - has bellows cells pumping fluid operated by waves and held on fixed frame
Inventor: KLEIN GOTTFRIED
IPC: F03B13/24
Filed: 1980-04-24
Abstract: A framework (2,3) mounted on the seabed carries a set of bellows cells (5). Each cell has a fixed backplate (4) attached to the frame. A front plate (7) is hinged to the backplate and pressed away from it by a spring. Waves impinging on the front plate push it against the spring to produce a pumping action inside the cell. Non return valves (8,9) on the cell admit fluid from a reservoir (11) and into a pressure vessel (13). The pumping action forces fluid into the vessel at pressure and it is then available to do work.
Patent DE-3019409-A1 (DE)
Inventor: DIEPERS HEINRICH DIPL PHYS DR
IPC: G10K11/34
Filed: 1980-05-21
Abstract: An ultrasonic transducer arrangement having ultrasonic oscillators, with which electronic delay chains are associated, includes a matrix of column-like ultrasonic oscillators the end faces of which are each connected to control electrodes arranged in the planes of the flat sides of the matrix. On one flat side of the matrix, rows of the oscillators are each provided with a common control line and, on the opposite flat side of the matrix, the jointly controlled groups of ultrasonic oscillators each form a concentric arrangement. This test head can be used selectably as a focusing or as an angle test head and in addition, the focal point can also be displaced in depth.
Patent DE-3025000-A1 (DE)
Title: Fixing clamp for vertically-suspended mine shaft cable - comprises clamp blocks supported by frame attached to fixing bolt
Inventor: NIEDERHOLZ JOHANNES
IPC: F16L3/00
Filed: 1980-07-02
Abstract: The clamp has a U-shaped frame (2) fitted around the cable, with two clamp blocks (10,11) having facing recesses for accommodating the cable (9) secured between the arms (4,5) of the frame (2). The clamp blocks (10,11) are contacted by the base (6) of the frame (2) and by the fixing bolt (3) fitted between the ends of the arms (4,5) respectively. A removable bearing plate is provided for the clamp block (11) next to the fixing bolt (3). One of the bearing faces between the clamp blocks (10,11) and the frames is inclined inwards towards the bottom. The fixing bolt (3) may comprise a hollow beam section. The clamp is used to attach an electrical cable to the walls of the mineshaft at spaced points.
Patent DE-3028953-A1 (DE)
Title: Isolated gate fet integrated circuit operational amplifier array - has single active voltage divider bias voltage for all amplifier
Inventor: ROESSLER BERNWARD DIPL ING
IPC: H03F3/45
Filed: 1980-07-30
Abstract: The integrated circuit comprises an assembly of several amplifiers with common mode rejection and differential output constructed as set out in the original patent 2938543. The present modification economises on the integrated circuit block as well as in mfr. time, by altering th e power supply arrangements. A single active voltage divider, also in IGFET technology, (18,19,20) provides the bias voltage (P4,P4X) for each individual amplifier array from the main power supply (VDD,DSS). The proposed arrangement does not interfere with the common mode rejection circuits across the power supply. It also gives a saving in consumption as against an individual voltage divider for each amplifier. Large scale integrated circuits of this type find application in digital data transmission and communication circuits.
Patent DE-3030029-A1 (DE)
Title: Prestressed concrete pressure vessel penetration - has shielding annulus at outer end of granulate compacted by driving in bolts
Inventor: HANDEL HUBERT
IPC: G21C11/02
Filed: 1980-08-08
Abstract: A shield for a penetration through the wall of a prestressed concrete pressure vessel in a nuclear reactor plant, is designed to prevent shine past the components housed within the penetration. The gap (5) between the penetration liner tube (2) and the component (3) located in the penetration comprises a seating or recess (6) in its outer end zone filled with shielding objects (12); a number of pins or bolts (14,15) are forced into this seating (7) to displace the shielding objects. Pref. the recess (7) is an annular gap with a seal (10,11) at each end, esp. sealing rings of L-section or T-section. The pins (14,15) are pref. threaded bolts screwed in from the outer wall (13). Compact shielding of the penetration is obtd. requiring minimum space. No increase in dia. of the penetration is required. Installation and dismantling of the component located in the penetration are simple.
Patent DE-3031079-A1 (DE)
Title: Bicycle safety light system with accumulator - has dynamo for accumulator charging and for lamp supply during ride
Inventor: HINUEBER EDGAR VON
IPC: B62J6/00
Filed: 1980-08-16
Abstract: The bicycle safety lighting system is fed from an accumulator battery instead of disposable dry batteries. The accumulator battery is charged during bicycle riding by a dynamo. With the bicycle stationary the lighting system lamps are supplied from the accumulator battery, while during ride they are directly supplied from the dynamo. Between the dynamo and the accumulator battery a rectifier is incorporated, whose relay is at rest with the bicycle stationary. During the ride, the dynamo generates a voltage and the relay contact closes, causing the accumulator battery charging. A diode prevents the accumulator battery self- discharge. The system provides safety for a bicycle, particularly when standing at traffic lights. The accumulator battery-dynamo combination provides continuous lighting of bicycle lights under all conditions.
Patent DE-3035094-A1 (DE)
Title: Metal detector for hand or ground search - has rapid assembly mechanical screw and electrical plug connectors
Inventor: EBINGER KLAUS
IPC: G01V3/15
Filed: 1980-09-15
Abstract: The device is for locating metal parts and consists of an assembly containing electronic components, a sensor, an acoustic indicator such as a loudspeaker or headphones, and connecting elements. It may be used as a hand probe or a ground search device. Conversion from one mode to the other and back is simple and rapid. The sensor which may be tubular or in the form of a search disc is mechanically attached to the electronic assembly by a screw connector. It is electrically connected via a cable coaxial with the mechanical connector. The connecting pieces are tubes with electrical plugs coaxial with the screw connectors. The search disc has a similar connector. The electronic assembly connector can accept a loudspeaker, headphones, or a battery charger.
Patent DE-3038439-A1 (DE)
Title: Agricultural implement with compacting tools - has shares leaving recesses behind in which tools work
Inventor: SCHEER FRANZ
IPC: A01B49/02
Filed: 1980-10-11
Abstract: The agricultural tractor implement comprises a supporting frame to which cultivating tools can be fitted. There are also one or more compacting tools. Clearance shares (7) are mounted before the compacting tools (3), so as to leave recesses behind them in the ground, in which the wheels, rings etc of these tools work. Behind the latter there can be a further compacting tool (3'), working at a higher level. The design ensures a water-draining soil structure, even after deep ploughing.