baber/WOPTO huggingface dataset:
Patent DE-2930065-A1 (DE)
Title: Blower fed gas burner with air casing around gas pipe - discharges gas radially through axial slots in control sleeve sliding in pipe
Inventor: JACOBSEN HORST
IPC: F23D14/36
Filed: 1979-07-25
Abstract: The burner has an air casing around a gas pipe. A nozzle unit fitted into or over the latter is axially movable to vary the flow area of the radial discharge opening. The rate of change of flow area with axial movement is made to vary by fitting a nozzle unit (4) in the form of a cylindrical sleeve with axial slots extending from the upstream end. For variation in steps, the slots (12,12',12") are parallel-sided or tapering and of varying length, for uniform variation, wedge-shaped in plan and the same length.
Patent DE-2930381-A1 (DE)
Title: Hair dryer air inlet grille - consists of single plastic piece, with inner and outer grilles
Inventor: SIWON HANS
IPC: F04D29/70
Filed: 1979-07-26
Abstract: The air inlet grille, for example for an electric hair dryer, is designed to admit a sufficiently large quantity of air, at the same time as preventing the user from coming into contact with live parts. The air inlet grille consists of an outer part (2) and an inner part (4) made out of a single plastic moulding. The outer grille part (2) in relation to the inner mesh grille has larger air inlet slits. The outer grille (2) consists of several concentric rings (4), and several radial connecting pieces (3).
Patent DE-2933534-A1 (DE)
Title: Carburettor using membrane pump - driven electromagnetically and connected via channel to pipe downstream of correction nozzle
Inventor: BONSE MICHAEL
IPC: F02M17/52
Filed: 1979-08-18
Abstract: The carburretor has a main mix outlet in the suction channel upstream of a throttle flap. This outlet is connected via a channel to a main mix system comprising a pipe, air correction nozzle and main fuel nozzle. A channel (11) leads into the pipe (3) downstream of the air correction nozzle (9). This channel is connected to the working chamber (12) of a pump (13) producing pulses of air. The pump is a membrane pump (13) whose membrane (14) is driven electromagnetically. The pump may have a control pressure chamber (21) connected via a nozzle (25) to atmospheric air. The working chamber may be connected via a nozzle (27) to atmospheric air. The main mix system provides uniform fuel flow even at the start of its conveying.
Patent DE-2933937-A1 (DE)
Title: Drying of moulded ceramic blanks contg. water - by immersing blanks in hot bath of hygroscopic liq., esp. glycerine or per:chloroethylene
Inventor: PUEHLHOEFER RUDOLF
IPC: B01D12/00
Filed: 1979-08-22
Abstract: Blanks are made by pressing, extrusion, or casting, and are then immersed in a bath of liq. which removes the water. The liq. wets the blank, but is only slightly soluble in water, and keeps the pores of the blank open. After the liq. has drawn the water out of the blank, the latter is removed from the bath and the liq. is evaporated. The liq. is pref. hygroscopic and is esp. a monohydric or polyhydric alcohol, partic. ethanol or glycerine. The bath pref. also contains or consists of a tri- or tetra- chloro-hydrocarbon, esp. perchloroethylene. The bath is pref. heated to 105-150 deg. C.; and two baths may be used, the bulk of the water being removed in the first bath. The drying of ceramic blanks frequently leads to their distortion or cracking unless very slow drying speeds are used, by this method rapid drying is possible without distortion or cracking of the blanks.
Patent DE-2936918-A1 (DE)
Title: Trailer for container loads - has sliding support tray running over captive rollers
Inventor: HUEFFERMANN ROLF
IPC: B60P1/64
Filed: 1979-09-12
Abstract: A trailer for container loads and skips has a flat support tray (1) into which the container is placed and which rolls along the chassis frames until held by a stop. The trailer is able to handle containers without integral wheels and without increasing the height of the load unduly. The container is locked onto the support tray by clamping claws which act in conjunction with the stops.
Patent DE-2938628-A1 (DE)
Title: Self cleaning centrifuge for liquids. - having two chambers sepd. by partition sealed against outer wall of centrifuge bowl and automatic solids discharge
Inventor: BRUENING PAUL DIPL ING
IPC: B04B1/14
Filed: 1979-09-25
Abstract: Self-emptying centrifuge has two sepn. chambers sepd. by a partition plate. Each chamber has a set of distribution plates fed leading to a collection zone in the centre. The partition plate extends from the centre to the wall of the bowl which it contacts via a compressible seal. Each chamber has a depression in the wall of the bowl in which the solids collect. They are emptied from here by means of a ring valve actuated by a hydraulic signal. Each chamber can have several such collection pockets for solids, each of which can be automatically emptied. The centrifuge is for clarifying liqs. It operates successfully on liqs. with both high and low solids contents to give high clarity in the prod. by allowing the whole liq. stream to flow through both chambers.
Patent DE-2943091-A1 (DE)
Title: Cooling system for IC engine - has auxiliary control on thermostatic valves to prevent overheating during starting
Inventor: STADLER HANS
IPC: F01P7/16
Filed: 1979-10-25
Abstract: A pump (2) circulates cooling water through the engine (1). A thermostat (22) controls a three way valve (4) which can take the water either directly (5) back to the engine or through a subsidiary circuit (8). The subsidiary circuit takes the water through an oil cooler (10) and a supercharger after cooler (11). It contains another thermostatically controlled valve (9,22) which opens and closes a bypass (7) round a water cooling radiator. Both valves (4,9) have further controls (13) from the starter motor (14). During starting the flow through the oil and air coolers (10,11) and radiator (6) is kept open irrespective of the temps. This prevents rapid temp. rises when the engine is suddenly loaded.
Patent DE-3000689-A1 (DE)
Title: Transport and feed unit for form handling typewriter - has variable format facility for cards or continuous paper roll feed with guides located along carriage and supported on bars
Inventor: ALTENBURG HELMUT
IPC: B41J13/00
Filed: 1980-01-10
Abstract: The typewriter is specif. for use with accounting and sales documentation and is designed to handle a range of cards of different sizes and thicknesses as well as continuous paper rolls. The print head (9) operates against either continuous paper roll that passes around a contact roller (1) and is supplied by a feed unit (12). Cards (10) may be inserted between guides (30) that are supported on bars (28) running the length of the carriage. The guides are located along the carriage and may be moved along the length to accommodate different formats. A transport roller (14) may be externally driven to provide time feed of the cards during the printing process.
Patent DE-3005702-A1 (DE)
Title: Sole for excavator jack foot - has alternate metal and rubber plates retained by bolts beneath base plate
Inventor: FRANK XAVER
IPC: B66C23/78
Filed: 1980-02-15
Abstract: The foot for an excavator jack has a sole formed of vertical rubber strips (9) separated by metal plates (10) and retained by long bolts (15). The sole combines good grip with rigidity and may be inverted when worn out. The foot (6), pivoted (6,7) on the jack (4) has a flat plate (51) against the underside of which the sole, formed of rubber (9) and metal (10) strips, bears. The rubber strips (9) protrude below the metal strips (10) and the skirt (54) of the foot.
Patent DE-3007887-A1 (DE)
Title: Brake pad wear measuring system - uses sealed measuring unit with wire loops at various depths and therefore cut in sequence during wearing
Inventor: VOLGER ALEXANDER DIPL ING DR
IPC: G01N3/56
Filed: 1980-03-01
Abstract: A seating measuring unit is used to monitor the wear of brake pads used in an automobile braking system. The measuring unit consists of two blocks (11,12) of insulating material, with one containing a number of wire loops (13) that are located at different depths from the top surface (11) of the block. The two halves are bonded together to form a sealed unit. The unit is fixed in a slot in the brake pade such that the edge of the measuring unit comes into contact with the brake disc. As wear takes place the coils are cut in sequence to provide an indication of the brake pad wear.
Patent DE-3014444-A1 (DE)
Title: Solar heat exploiting external wall facade - acts as heat exchanger with rear ducting system providing forced air circulation
Inventor: EDER FRANZ XAVER PROF DR
IPC: F24J2/04
Filed: 1980-04-15
Abstract: Weather protection is afforded by a facade wall, esp. of panels or slabs, fastened at or internal from the external wall of a building. The hollow intervening space provides an air ducting system, with the facade wall used as a heat-exchanger. The facade wall has a fan (12) attached to it, for forced circulation of air through the system and a heat-exchanger (14) belonging to the hot water and/or heating system in the building. The panels (4) can have ribs (6), to form the ducting system in the direction of forced air flow, and can be made of heat-conductive material, esp. thin sheet-metal.
Patent DE-3014784-A1 (DE)
Title: Microfilm processing unit with colour reversal stage - reeves film over two sets of rollers, with one set retracting for access
Inventor: STAUDE ECKHARD
IPC: G03D3/13
Filed: 1980-04-17
Abstract: The film is removed from its cassette and looped over a series of rollers through a set of processing tanks and driers. The processed film is fed out of the machine onto a reel. The process rollers are in two sets, one set forming the lower loop points. These are lifted out of the machine by a servo drive to provide a simple straight through threading operation. The film is attached to a leader and is fed straight through the machine. The lower process rollers are dropped into place, forming the film loops. Microswitches monitor the setting of the lower rollers and operate the film drive. No drive belts are required reducing the risk of tearing and the film releasing itself from the belt. The film drive is direct onto the film and a simple and compact processing machine is obtained. The process rollers are easily lifted and swivelled out of the machine for cleaning.
Patent DE-3022146-A1 (DE)
Title: Suction appliance used in PCB mfr. - has suction slot cover device with separate cover elements some of which are capable of automatic movement
Inventor: SCHMID DIETER
IPC: H05K3/00
Filed: 1980-06-13
Abstract: Suction is applied to plate-shaped objects, esp. for printed circuits pre-treated with a liq. medium and interspersed with a number of bores using a suction head connectable to a blower unit. This suction force removes liq. residual deposits, esp. from the relatively small plate bores. The installation includes a suction slot cover device (22) consisting of a number of cover elements (34) which can be separately moved from a position in which they sectionally cover the suction slot (14) along its length into an open position where the suction slot is free and accessible. Only those cover elements positioned within the slot area covered during the passage of an object (24) over the suction slot (14) are capable of moving automatically into the open position. These elements automatically return into the covering position after the object has passed.
Patent DE-3022625-A1 (DE)
Title: Rendering batten frame for chimney through roof - has compact hinged paired corner pieces and base pieces plugged together
Inventor: PRIX HELMUT
IPC: E04D13/147
Filed: 1980-06-18
Abstract: A rectangular frame is used which is made from strips. It has its top edge attachable to the element and bottom edge to the surround. There are two horizontal beams swivelling about longitudinal in relation to two roof-slope-angled beams, and transverse circular-section-shaped end pieces overlapping the latter. The unit is used as a rendering batten for elements passing through a roof, esp. fireplace chimneys. The unit comprises firstly two pairs of homologously shaped, hinged corner pieces (3); and secondly four or more beam pieces (11,12), cut in accordance with the length and breadth of the element passing through. These are coupled to attachment pieces on the corner pieces, by plug connections. This avoids use of bulky components, simplifying, handling, storage, packing and transport.
Patent DE-3022913-A1 (DE)
Title: Atomiser unit with pressure vessel - has pluggable compressed air charger and atomising head with nozzle and non-return valve
Inventor: BECKER ALFRED
IPC: B05B7/24
Filed: 1980-06-19
Abstract: The atomiser unit comprises a pressure vessel (3) closed by an atomiser head (2) incorporating a nozzle (23), a non-return valve (21), a union for compressed air (22), and a standpipe (24) immersed in the pressure vessel. A compressed air charging unit (6) is provided, which plugs into the atomiser (1) proper. Both components have preferably mating plug (26) and socket (71) portions formed in them. The plug portion can have a tapered end followed by a groove, in which a locking member in the socket portion engages. The non-return valve can be arranged to open towards the inside of the pressure vessel.
Patent DE-3027246-A1 (DE)
Title: Wall-plugged door frame corner striker plate - has socket axial hollow supporting screw head and guiding drilling
Inventor: SETZER MANFRED
IPC: E05B15/02
Filed: 1980-07-18
Abstract: Holes for fixing-screws are provided in the shanks and apex of an internal corner striker plate, anchored in the masonry with dowels. Inside the corner, behind the holes on the shank side, there are sockets, with axial holes serving as a template for drilling and providing an annular ledge for support of the fixing-screw head. The rear edge of the socket may be flat, while its front is roof-shaped in conformity with the internal angle. The end of the dowel may be firmly seated in the socket's axial hole.
Patent DE-3031510-A1 (DE)
Title: Pneumatic check valve having hollow cylindrical piston - with enclosed air forming vibration-damping resilient buffer
Inventor: CECH MILOSLAV DIPL ING
IPC: F16K17/04
Filed: 1980-08-21
Abstract: A pneumatic check valve, partic. for use in air-jet looms, has a circular inlet port closed by a cylindrical piston housed in a barrel formed in the lid of the valve whose diameter corresponds to the inside diameter of the valve seat. The body of the piston is hollow, with a wall thickness between 0.1 and 1 mm, the air within it forming a resilient buffer to damp the opening movement of the piston. The underside of the lid forms a stop for the top end of the piston, and has a bleed hole connecting the air buffer to atmos. The valve is intended to equalise the jet pressure across the loom by preventing the loss of air between impulses. The valve operates quietly, without vibration, and with little wear.
Patent DE-3032874-A1 (DE)
Title: Transformer automatic control - has resistance track and wiper arm with series relays for achieving balance conditions
Inventor: PLATH KLAUS-DIETER
IPC: H01F29/02
Filed: 1980-09-01
Abstract: Four control units are connected in parallel with one another between a pair of conductors which are the cores of a light current carrying cable. Each unit is connected to the step switching equipment of a transformer, and also in each control unit, a resistance contact strip has its ends fed from a constant current source, which drives the current through the strip. A wiper arm is coupled to a step switching drive, and the position of the wiper arm corresponds in every case, to the position of the step switching equipment. The wiper arm, is also in series with two anti-parallel direction-dependant relays and an on/off switch which connects the arm to the main supply. When current flows through one or other relay, due to an imbalance, the appropriate relay contact closes and the wiper arm travels along the resistance strip until balance is restored.
Patent DE-3035508-A1 (DE)
Title: Electric arc furnace power supply - with frequency converter lower than commercial frequency for better power factor and throughput
Inventor: ROZENBERG VLADIMIR L VOVIC
IPC: H05B7/144
Filed: 1980-09-19
Abstract: An arc melting system uses an electric arc furnace for the charge, the melting operation, redox reactions and the tapping operation of slag and of finished melt. The commercial frequency of the a.c. supply is converted to a variable frequency between 0.05 and 30 Hz. The actual change is controlled by a current pickup. The frequency is reduced when a higher current input in the furnace is required, and vice versa. The new control results in a better power factor (by 1-1.5%), a higher efficiency, a lower specific current consumption (by 2%) and a hiqher throughput (by 12-14%).
Patent DE-3037041-A1 (DE)
Title: Floating sugar beet from supply into ditch - involves spray nozzles on telescopic outrigger from carriage with gate and pump movable over ditch
Inventor: HOTOP HANS-GERT
IPC: B65G65/28
Filed: 1980-10-01
Abstract: The arrangement is intended for moving sugar beet from a heaped supply. It comprises a main ditch with a number of channels branching off at an angle and a number of nozzles fed with pressurised water which are provided on a carrier assembly movable relative to the supply to float the beet into the ditch. The assembly comprises a carriage on rails above the ditch and a telescopic outrigger on a turntable with support wheels. At least two nozzles are symmetrically held on either side of the outrigger. The carriage has a vertically movable and rotatable gate in the ditch which carries an immersion pump supported on the ditch bottom at the upstream side of the of the gate.
Patent DE-3037985-A1 (DE)
Title: Light which illuminates electric switch in vehicle - has two=way switch, relay and resistors functioning in given manner, using moving contact
Inventor: BOETZ JAKOB
IPC: B60Q3/04
Filed: 1980-10-08
Abstract: The light has a moving contact (28) coupled to the contact bridge (16) of a switch (10). When a first connection (12) carries no potential and when the switch is on, the moving contact connects the lamp (25) via a first resistor to a second connection (13). A relay and its contacts (28,30) connects the lamp via a second resistor to the first and/or second connection when the switch is on and when a voltage is present at the first. The switch is coupled to the circuit of the foglight.
Patent DE-3038721-A1 (DE)
Title: Cantilevered building scaffolding sheet fixing toroid strap - has locking pieces firmly joining welding strip and toroid strap strip
IPC: E04H15/64
Filed: 1980-10-14
Abstract: The strap for tarpauling-type sheets, of torus shape is fitted to the peripheral parts of a sheet, esp. in conjunction with sheets on scaffolding for buildings. It consists of a welding strip (1) fastened to the sheet (11) and a strap strip (3) forming the torous. The two strips are joined to each other, with high tensile strength, by locking pieces (2,4). These pieces may interlock with form-locking effect, and can be identical. They can be monolithically formed on the strips. The two strips may be made of different materials. Surfaces of locking pieces may be mechanically roughened.
Patent DE-3048586-A1 (DE)
Title: Coin operated automatic vending machine - has indexed platform to raise cartons to correct level for ejection with lead-screw or pawl and end-of-motion switch control
Inventor: PRUEMM GEORG
IPC: G07F11/14
Filed: 1980-12-23
Abstract: A coin operated cigarette packet or chocolate bar dispenser machine has a feed unit that provides automatic indexing of the stack following each operation. The cigarette or chocolate cartons are supported on a lift platform that is supported by pawls that latch onto two racks. The top carton is removed by rotating a disc with a projecting pin. A switch indicates completion of the operation. The stack is incremented vertically to be ready for the next operation. An alternative method for raising the stack is provided by a platform with a coupled leadscrew drive.
Patent DE-3103536-A1 (DE)
Title: Steam turbine for driving two generators simultaneously
Inventor: FISCHER JUN JOSEF
IPC: F01D1/02
Filed: 1981-02-03
Abstract: The steam or the water must press directly against the turbine surfaces of the two-generator turbine drive, without a pressure means being able to escape on the sides. The turbine drives two generators simultaneously. The turbine also has a higher efficiency than other turbines. The two-generator turbine drive can be used mainly in hydroelectric power stations and in a thermal power station for converting heat energy into mechanical energy.
Patent DE-3105433-A1 (DE)
Title: Iodopropargyl ethers, process for their preparation, and their use as fungicides
Inventor: MUES VOLKER
IPC: C07D249/18
Filed: 1981-02-14
Abstract: The invention relates to novel iodopropargyl ethers, to a process for their preparation and to their use as fungicides. The compounds of the general formula <IMAGE> in which R<1>, R<2>, R<3> and R<4> have the meaning given in the description, are obtained when 1-(2-propynoxy)benzotriazoles are reacted with iodine, if appropriate in the presence of an acid acceptor and if appropriate in the presence of a diluent. The active substances are suitable for use as crop protection agents and can be used particularly successfully for controlling Phytophthora, for controlling the pathogen causing grey mould on beans and against Pyricularia oryzae.
Patent DE-3109020-A1 (DE)
Title: Articulated coupling device for a brake pressure control valve
Inventor: BERISCH VOLKER DIPL ING
IPC: B60T8/18
Filed: 1981-03-10
Abstract: An articulated coupling device for a brake pressure control valve (1), adjustable as a function of the load, is described which enables the brake pressure control valve (1) to be fitted in any position and at any point in the vehicle. As shown in Fig.1, a spring (13) acts on a first lever (5), which actuates a valve piston (3), which spring, by means of a Bowden cable (18), is connected to a second lever (27) which is swivelled in the event of a variation of the axle load. <IMAGE>
Patent DE-3110213-A1 (DE)
Title: Impact crusher or impact grinder
Inventor: WIEDERMANN WILHELM
IPC: B02C19/00
Filed: 1981-03-17
Abstract: Impact crusher or grinder for impact comminution of hard materials, in which the material to be comminuted is made to rotate, thrown against impact bodies by centrifugal force and broken up in this process, consisting of a housing which is provided on the inside with impact bodies and in which a rotor which is driven by a drive device is arranged, the rotor (6) being constructed as a bladeless hollow body with an essentially enclosed outer surface which has on its side facing the discharge opening (5) of the housing (1), on the one hand, an axial opening (7) for inputting the material to be comminuted and, on the other hand, two or more openings (8) which are arranged on the outer surface with the same spacing from one another for outputting the material, at least the edges, pointing in the direction of rotation, of the openings (7, 8) of the rotor (6) having an armouring made of hard metal (17, 18). <IMAGE>