baber/WOPTO huggingface dataset:
Patent DE-2749698-A1 (DE)
Title: Marine jet drive pump impellers - are connected to gearing to increase rotational speed in stages in fluid flow direction
Inventor: MALVINSKY PIERRE
IPC: F04D3/00
Filed: 1977-11-07
Abstract: Multi-stage fluid pump has several coaxial driven impellors (9, 7, 11) connected by gearing (16-20) in such a way that their speed increases from stage to stage in the direction of the fluid flowing through the pump. The cross-section of the pump through which the fluid passes narrows from stage to stage in the flow direction. The pump drive is by means of a shaft connected to the first or last impellor (8, 10), and the pump (1) is fitted to the vessel's keel. The design boosts the rate of ejection of fluid from the system.
Patent DE-2750914-A1 (DE)
Title: Shortening concrete setting time - by applying hot gas flow along lining using guide baffles
Inventor: SEBASTIAN LOTHAR
IPC: E21D11/10
Filed: 1977-11-14
Abstract: Time required for setting of concrete, used to line tunnels and other excavations of large cross-section, is shortened by heating and drying the concrete through a flow of hot gases. The shuttering for the concrete lining is fitted with guide baffles. which define a path for the hot gases. The shuttering for the concrete lining (6) of a tunnel consists of three hinged segments (1, 1', 1") with hinges (2), profiles (4) to reinforce the skin (5), and deep webs. Infrared radiators (8), fed from the gas bottles (9), are installed on the prefabricated floor slab (7). Heat insulating cowls (10) direct the hot gases along the lining. Guide baffles (14, 14', 14") are attached by hooks (18, 18', 18") to the webs and are kept taut by the roller blind mechanisms (11, 12, 12', 13, 16, 17). Flaps (15) are used to bridge over the gaps between them.
Patent DE-2755286-A1 (DE)
Title: Waste water purification - by directly passing filtrate from combined fabric and alluvial layer filter to biological filter
Inventor: DISSELBERG DIETER DIPL ING
IPC: C02F3/12
Filed: 1977-12-12
Abstract: In the Parent Patent, waste water purificn. and lowering of biological oxygen demand for waste water purificn. are achieved by treating the waste water with flocculating auxiliaries, pref. precipitants combined with polyacrylate and/or polyacrylamide, and combining pre-clarifying with the sepn. of most of dispersed colloids. The solids-contg. treated waste water is passed under gravity through a support fabric in a mount, whereby (A) a combination filter is formed of (a) fabric and (b) a prim. filter layer of sepd. solids, and, (B), more waste water is purified from most of solid particles on passing through combination filter. The filtrate obtd. is then purified biologically. The filtrate leaving the filter wall is passed directly over a large-surface biological filter unit, in which biological treatment takes place. The filtrate is enriched in O2, e.g. from 1.5-2- to 8-9 mg/l. O2-enrichment and fine O2-distribution in filtrate are made use of for biological treatment of filtrate. Energy consumption and operational costs are reduced.
Patent DE-2803706-A1 (DE)
Title: Throttle for hydraulic mine roof support - has safety valve in form of movable plunger within piston set by variable spring
Inventor: HEBBEN ROLF
IPC: F16K17/06
Filed: 1978-01-28
Abstract: The reducing valve is for hydraulic machines and mechanical equipment, esp. hydraulic mining roof supports. A piston is acted upon on one side by the fluid pressure and on the other side by a spring assembly, whose spring pressure is variable. an integral safety valve is opened or closed by the piston movement. The safety valve (4) is in the form of a movable plunger (20) within the piston (3). There is a stop (6) between the piston (3) and spring assembly (5) and this can be fixed by a set screw (11). The piston has a bore (17), whose top end (18) is in the form of an inclined surface (16) which corresponds with the safety valve seat (13).
Patent DE-2807342-A1 (DE)
Title: Portable arc welding machine - has electrical speed control for combustion engine allowing speed to drop during intervals between welding (OE 15.7.78)
Inventor: HABELER HEINZ DIPL ING
IPC: F02B3/06
Filed: 1978-02-21
Abstract: The combustion engine has a rotary speed which is, during an interval between welding periods, smaller than the idling speed of the motor. When welding is stopped, the motor speed is reduced after a certain time. This time can be set with a time relay. When welding is started again the motor speed is increased. This can be initiated by touching the workpiece with the electrode or by direct short circuit of the welding clamp. The welding electrode is connected to a starting relay (3). The relay brings a battery into the circuit and a current converter for the welding current.
Patent DE-2846683-A1 (DE)
Title: Piston ring lapping and honing machine - has stack of rings rotated by ring of rollers alongside reciprocating finishing heads
Inventor: GILLETTE ROBERT H
IPC: B24B19/11
Filed: 1978-10-26
Abstract: The finishing machine for piston rings or similar split sealing rings, has a base plate(29) with a ring of vertical rollers(15) inside which a stack(13) of the rings is gripped and rotated by friction. At least one of the rollers is driven. Between the rollers are at least two honing or lapping heads(25) which are driven independently of each other and acting radially to the surface of the stack. During the finishing operation a lubricating fluid is applied to the piston rings. The lapping heads are reciprocated over the surface of the stack of rings from their position between the rollers.
Patent DE-2855237-A1 (DE)
Title: Multiple can packet prodn. system - forces pairs in succession into engagement with holes in plastics plate
Inventor: MUENCH KARL
IPC: B65D71/50
Filed: 1978-12-21
Abstract: The system produces multi-item packets of cans and similar items, using a plastic support plate with round holes in which two rows of cans are accommodated alongside and in line with each other. The hole edges are of U-section open towards the inside so as to grip the beaded can edges. The plates are first placed horizontally, with the cans upright at right angles to their outer curved wall sections. By pressure from above the pairs of cans are forced into engagement in succession by their beaded edges with U-section hole edges the cans below the plate being held by their tops and those above it by their bases.
Patent DE-2901747-A1 (DE)
Title: Articulated cross-country vehicle - has sections coupled via ball joint whose ball is on inclined bolt fixed to leading section
Inventor: SPEICH ANDREAS
IPC: B62D53/02
Filed: 1979-01-17
Abstract: The coupling is intended for connecting sections (1, 9) of an articulated vehicle, consisting of two or more sections, esp for cross-country use. It comprises a ball joint of which the ball (5) is arranged at the end of a bolt (7) upwardly inclined (alpha) relative to the direction of travel (E). The bolt is secured to one vehicle section (9) and the ball head fits in a spherical cup (3) on the other section (1). To equalise the wheel load of a vehicle section with asymmetric load distribution an auxiliary load may be applied to that section. This may be effected by a lift mechanism on that section applying a lift load on a section to which it is coupled.
Patent DE-2907070-A1 (DE)
Inventor: FOERSCH NAUHEIM DIPL CHEM DR
IPC: C07D417/04
Filed: 1979-02-23
Abstract: Heterocyclic, spiro-linked amidines of the formula I    <IMAGE>  I and their physiologically acceptable salts, in which (a) n is 1 or 2; (b) R1 and R2 are hydrogen or alkyl radicals which, together with the nitrogen atom, can form a 5-, 6- or 7-membered ring which can be substituted by C1-C3-alkyl, C1-C2-alkoxy, hydroxyl or C1-C4-alkoxy-carbonyl groups and in which one of the carbon atoms can also be replaced by an oxygen, sulfur or nitrogen atom, it being possible for the nitrogen atom to be substituted by hydrogen, by the formyl group or by a phenyl radical, which can in turn be monosubstituted or polysubstituted by a C1 to C4-alkyl group or an alkoxy, methylenedioxy, hydroxyl, halogen, nitro or amino group, or it being possible for the nitrogen atom to be substituted by a C1-C4-alkyl group, or in which R1 represents hydrogen and R2 represents a C5-C8-cycloalkyl radical which can be substituted by C1-C4-dialkylamino groups; (c) R3 is hydrogen or methyl and (d) R 4 denotes a phenyl radical which is optionally monosubstituted or polysubstituted by C1-C4-alkyl, C1-C4-alkoxy, methylenedioxy, hydroxyl, halogen, cyano, nitro, trifluoromethyl, amino, C2-C5-acylamino or mono- or di-C1-C4-alkylamino groups, or a thiophene radical, their stereoisomers and optical isomers, processes for their preparation and antidepressive medicaments containing these compounds.
Patent DE-2907608-A1 (DE)
Inventor: ZEITRAEG ROLF DIPL PHYS
IPC: H04Q11/04
Filed: 1979-02-27
Abstract: In order to provide the possibility of interchange of roles of leading and led exchange pulse train generators, an exchange pulse train (T'') of the led generator is synchronized in phase with that (T') of a leading generator. Each generator derives its exchange pulse train (T', T'') from a respective intermediate pulse train (H', H'') by means of a frequency reduction arrangement (BKP, U). Comparison in the led generator (UGN, BKN, UGV, BKV, BKVv) of the exchange pulse trains detects a relative phase lead or lag greater than a given threshold value of the same order as the intermediate pulse train period and, in order to maintain in-phase synchronism, shortens or lengthens (BKR), as appropriate, a half period signal portion of the exchange pulse train by an intermediate pulse train period. The intermediate pulse generator is servo-synchronized by means of a master pulse train derived in a frequency adjuster from a received standard pulse train.
Patent DE-2910124-A1 (DE)
Title: Heat pump evaporator assembly - has evaporator pipe with suction pipe and pump inserted in borehole
Inventor: KRUMME BERNHARD
IPC: F25B39/02
Filed: 1979-03-15
Abstract: The heat pump evaporator comprises an evaporator pipe (1) to whose lower end a suction pipe (5) is connected. A pump (4) is in turn connected to the suction pipe, and pipes (6-8, 10, 12) connect the top end of the evaporator pipe to the compressor, and return the cooled water. Evaporator and suction pipes and pump are inserted in a borehole. The pump can be connected to the lower end of the evaporator or the suction pipe. There can be an additional pipe (12) connected to the water suction chamber (3), which can be enclosed concentrically by the evaporation chamber (2).
Patent DE-2915594-A1 (DE)
Title: AC tachometer generator rectifying diode voltage compensator - uses measurement diode voltage drop, inverted and multiplied, to compensate for nonlinearity effects
Inventor: FRENK HELMUTH DR
IPC: G01P3/46
Filed: 1979-04-18
Abstract: An a.c. tachiometer generator with several phases rectified by diodes is reliable, vibration resistant, and safe in explosive atmospheres. The non-linearities introduced by rectifying diodes are compensated for by using a measurement diode connected in series with a resistor in the direct voltage output cable. The voltage drop produced across the measurement diode by the passage through it of the load current is applied to the inputs of a feedback operational amplifier with a power amplifier. The resistor then has a doubled or trebled diode voltage drop of opposite sign, thus compensating for both measurement and rectifier diode voltages. The measurement diode is mounted close to the rectifier diodes and is in good thermal contact with them.
Patent DE-2922780-A1 (DE)
Title: Cupboard with vertically sliding doors - has doors moving along guide pieces, and has weight balance using cables, roller and spring
Inventor: ZIEBEKER GOTTLIEB
IPC: A47B96/20
Filed: 1979-06-05
Abstract: The cupboard has sliding doors (3) which slide along in guide pieces. Vertical, side guide pieces (2) have sliding doors (3) which move up and down along them and are fitted with a weight balance (6, 7, 8) and a catch (4). The weight balance of each sliding door (3) consists of two pulley-cables (6) touching the two sides of the door, and a deflector roller (7) pivot-mounted on the door. A tension spring (8) is fixed to the cable and is held in a holder (5) on the other side of the door.
Patent DE-2924243-A1 (DE)
Title: Washing machine water tube - has an outer tube for return waste flow
Inventor: HOEFFGEN GERD
IPC: D06F39/08
Filed: 1979-06-15
Abstract: In the water supply connection for a clothes or dishes washing machine there is an outer tube (21) over the whole length of the inner tube (11), so that the space between the tubes can be used for a return water flow. The ends are sealed at the water supply and the machine ends so that the inner tube carries water from supply to machine without leakage. The gap (24) between the tubes is connected directly or indirectly to a third tube.
Patent DE-2933897-A1 (DE)
Title: Fast response scanner for photocopier - has separate scan motor with phase lock to copy drive
Inventor: FRANKE WALTER DIPL PHYS DR
IPC: G03B27/52
Filed: 1979-08-22
Abstract: The fast response scanner is for a photocopier and scans the document line by line and projects the image strips onto the moving photosensitive layer (2). The copier and the scanner have separate electric drive motors (17,22) with shaft speeds which are monitored by impulse generators (19,25), with the impulse signals processed and used in a phase loop control to synchronise the speeds. The separate scan drive allows a rapid synchronisation of the scan and drive speeds with no sudden mechanical torque shock for the scanner. The control circuit incorporates a frequency detector and a phase shift amplifier to generate the correction signals for the scan drive. The phase control is switched off for the return path of the scanner.
Patent DE-2937196-A1 (DE)
Title: Rotary plough with rear stabiliser - has rear wheel connected to stabiliser via two mutually perpendicular shafts
Inventor: CLAUSING FRITZ
IPC: A01B3/46
Filed: 1979-09-14
Abstract: The rotary plough has a plough frame carrying the plough body, hinge connected via an arm with a stabiliser carrying a rear wheel. The stabiliser is connected with the plough coupling device via a cross joint. The arm is connected with the plough frame via an operationally vertical shaft and there is a device to adjust the cutting width of the first plough body and a plough-turning device. The rear wheel is connected to the stabiliser via two mutually perpendicular shafts forming a cross joint. The arm is pivot fixed to a pin between the shafts of the rear cross joint and the rear wheel. The horizontal shaft of the front cross joint has a significant spacing to the turning shaft.
Patent DE-2938134-A1 (DE)
Title: Connecting bush for medium voltage screened cables - has anchorage member for screening wires at end of metal outer casing
Inventor: GOEHLICH LOTHAR ING GRAD
IPC: H02G15/105
Filed: 1979-09-20
Abstract: The connecting bush has an insulating body (18) enclosed by a metal layer (15). The screening wires (12) of the cable can be secured to a shoe (17) which is screwed onto the metal housing. The insulating body incorporates a recess (19) at the position of the shoe. In another design, the metal housing projects beyond the end of the insulating body, and a flange housed in the end space carries a sleeve to which the screening wires are secured by e.g. soldering. In a further design, the end of the metal housing tapers down to a smaller diameter with an internal thread for an externally threaded bush which clamps the ends of the screening wires. All three designs include a protective layer (16) over the joint region.
Patent DE-2938639-A1 (DE)
Title: Load sensor for caravan drawbar - has sprung mounting with calibrated scale for support wheel strut
Inventor: WUSTL GEB BLOKESCH
IPC: G01L1/04
Filed: 1979-09-25
Abstract: The caravan drawbar load sensor has the height adjustable single wheel support shaft (3) linked to the outer cover (3) by a coil spring (5) held under the cap of the cover. A cap (6) moves over the cover on which is graduated a load scale. The system provides a simple load gauge for the drawbar when the single wheel is dropped to the ground. The gauge is part of the vehicle and is easily read. It enables the user to check the load distribution before securing the tow.
Patent DE-2940755-A1 (DE)
Title: Emptying gas transformation cylinders - dividing cylinders into two groups and connecting so as to extract more gas from solvent in cylinders
Inventor: MEINASS HELMUT DIPL ING
IPC: F17C13/04
Filed: 1979-10-08
Abstract: The gas cylinders contain gas dissolved in a solvent. The object of the system is to retrieve as much gas as possible from the solvent. As soon as the gas can no longer be extracted in a quantity sufficient to cover average demand, the uncompressed gas from the partially empty cylinder is used as preference gas, taken from the other cylinder and uncompressed, and as a complementary flow mixed in a quantity adequate to compensate for the missing amount. The cylinder supplying the preference flow is replaced by the filled cylinder.. More gas can be extracted from the cylinders.
Patent DE-2941817-A1 (DE)
Title: Hearing aid acoustic duct testing - marginally increasing or decreasing air pressure and isolating enclosed air vol.
Inventor: BRUCKHOFF HENNING
IPC: A61F11/00
Filed: 1979-10-16
Abstract: An ear duct prop (14) with throughgoing acoustic duct made of plastics tubing (12) terminates in a junction piece (16) for connecting an electtro-acoustic transducer. The proo can be tested for leakage. This applies both to the initial mould made with a quickly setting material and to the permanent petroleum plastics insertion piece (14). The test is done by apolying through the tubular acoustic duct (12) a marginally increased or decreased air pressure and then isolating the enclosed air volume. By means of a pressure transducer the pressure difference is observed. If it remains unchanged, the orop fits well. If it drops gradually, the prop may still be used but is not oerfect. If the pressure difference fades quickly, the prop must be replaced by a new one.
Patent DE-2944071-A1 (DE)
Title: Sewing machine pattern - has store to hold data in two groups with central switch to connect pattern keys to one of the groups
Inventor: HANYU SUSUMU
IPC: G05B19/10
Filed: 1979-10-31
Abstract: An electronic store, on the sewing machine, stores various pattern data of two groups. There are a number of push switches, to select pattern data, with a two-position switch mechanism to relate the switches to either the first or second group of data. The system allows the user to store the most frequently used patterns in one group; concentrating the other patterns into a second group for easier operation.
Patent DE-2945521-A1 (DE)
Title: Outrigger control for mining machine - has adjustable pivot drives engaging between machine guide and outrigger rods or extensions of latter
Inventor: HESSE NORBERT
IPC: E21C35/12
Filed: 1979-11-10
Abstract: The outrigger control sets the cutting horizontal plane of a mining winning machine, esp. a planning plough, by pivoting of its machine guide. Outrigger rods are linked to the machine guide or a reversible conveyor supporting the guide. The rods are guided, on the mine filling side, behind the linkage and, on the engaging mining units, in the reverse direction and are pivotably supported in the plane perpendicular to the stratification. Adjusters are engageable between the machine guide and the outrigger rods or extension sections of the latter. The adjusters consist of pivot drives (20) whose pivotal axes form the pivot axes of the linkage (19). The drives can be formed from hydraulic motors.
Patent DE-3004088-A1 (DE)
Title: Pressure cooker process monitor unit - has thumbwheel setting with control unit, two-segment indicator and batteries contained in cooker handle
Inventor: FROEHLICH HEINZ
IPC: A47J27/08
Filed: 1980-02-05
Abstract: The monitoring system is contained in the handle (18) of the pressure cooker and attached to the cooker lid (10) into which a pressure sensor (22) is screwed. The sensor (22) produces an electrical output signal according to the steam pressure in the cooker, and also temperature, and this signal is fed via conductors (24) to an electronic unit (26) also in the handle (16). Also contained in the handle of the cooker (16) are batteries for operating the electronic unit (26), the pressure sensor (22), a two figure segment indicator (28) and a light emitting diode (30). The segment indicator (28), shows an amount which is related to the entire cooking process and which is yet to be carried out. Thumbwheels (32,34), whose edges protrude from the sides of the handle (16) allow the required setting to be made, by reading figures printed on the perimeter of each thumbwheel (32,34) and visible through cut-outs (40,42) in the handle.
Patent DE-3009827-A1 (DE)
Title: Prestressed concrete nuclear reactor pressure tank armoured tubes - have separate fixtures absorbing expulsion forces and differential expansion forces
Inventor: SCHOENING JOSEF DIPL ING
IPC: G21C13/00
Filed: 1980-03-14
Abstract: Provision for fixing armoured pipes in position in the walling of a prestressed concrete pressure container is esp. applicable to tanks in nuclear reactor installations. Fixture media (11,16,18,24) are separated according to function. This enables expulsion forces occurring on the pipe (26) to be absorbed by support surfaces fitted or anchored in the load-bearing concrete, and/or anchor plates (18) inserted in the concrete. This prevents pipes from being driven out by internal pressure, and ensures stability without eventual buckling.
Patent DE-3015685-A1 (DE)
Title: Lastenheber fuer paletten
Inventor: SATO MASATARO
IPC: B60P1/02
Filed: 1980-04-23
Abstract: 16 Lastenheber für Paletten, welcher tragbar und in der Lage ist, eine Palette, die eine Last trägt, leicht mit manueller Kraft zu transportieren. Der Lastenheber umfasst einen Körper mit einem Betriebsrahmen und einem Lastaufnahmerahmen, der sich im wesentlichen horizontal von einem Ende des Betriebsrahmens aus erstreckt und eine längliche Form aufweist, so dass er in den Hohlraum einer Palette eingeführt werden kann, ferner einen Vorderrad-Tragarm, der ein Vorderrad drehbar trägt und an dem Lastaufnahmerahmen zur Schwenkbewegung in einer vertikalen Ebene befestigt ist, sowie einen Hinterrad-Tragarm, der ein Hinterrad drehbar trägt und an dem Betriebsrahmen zur Schwenkbewegung in einer vertikalen Ebene gelagert ist. Der Betriebsrahmen trägt drehbar ein Hantierglied, welches seinerseits durch Verbindungsmittel mit dem Vorderrad- und Hinterrad-Tragarm verbunden ist. Das Hantierglied ist mit einer Griffstange verbunden, welche von dem Betriebsrahmen nach außen vorsteht, und ist so ausgelegt, dass es bei Betätigung der Griffstange bezüglich des Betriebsrahmens verschwenkt wird, um eine Schwenkbewegung des Vorderrad- und Hinterrad-Tragarmes zu veranlassen, um somit den Körper anzuheben und abzusenken. Unter Verwendung dieses Lastenhebers kann eine Palette, die eine Fracht trägt, leicht mit manueller Kraft transportiert werden, ohne Rücksicht darauf, ob es sich um eine einseitige oder eine doppelseitige Palette handelt, und 17 aufeinander folgende Paletten können in engem Kontakt miteinander abgestellt werden, um eine gute Nutzung der Fläche zur Lagerung der Fracht zu erzielen.