baber/WOPTO huggingface dataset:
Patent DE-3930234-A1 (DE)
Title: Swinging tube and frame - are powered by program controlled unit to ensure max. reflection of sun rays
Inventor: HENSBERG FRIEDRICH
IPC: F24S23/70
Filed: 1989-09-11
Abstract: A swinging tube (2) and a solar energy concentrator are used with reflective surfaces fixed to the swinging tube (2) and at right angles to it on a swinging carrier frame. The swinging movement is driven by a programme controlled power unit. Through the turning or bending of the tube (2) any angle fault regarding the ideal reflection of sun rays on the smallest possible surface is readily correct. USE/ADVANTAGE - Solar energy collection system obviates the loss of energy that a surface suffers in the morning and evening.
Patent DE-3932000-A1 (DE)
Title: Carrier housing system for control circuit boards - has fixing devices in opposing housing sides for securing stacked housings together
Inventor: KARSTEIN ULRICH
IPC: H05K7/14
Filed: 1989-09-26
Abstract: The housing system has each of the circuit boards (8) carrying the control devices contained within a respective prismatic housing (1). The latter housings (1) are stacked together, one on top of the other, with clamping devices for securing the stacked housings (1) together, between the opposing side faces of the housings (1). Pref. the housings (1) are secured together via opposing snap fittings (10, 11) respectively fitted to the top and bottom surfaces of each housing (1) allowing any required number of housings (1) to be secured together in a stack. USE - For programmable controller.
Patent DE-3937237-A1 (DE)
Title: Cassette for continuous ink ribbon e.g. for dot matrix printer - passes ribbon between transport roller and counter element enclosing it
Inventor: KRUSCHINSKI HEINZ-ULRICH
IPC: B41J32/02
Filed: 1989-11-09
Abstract: The cassette for a continuous ink ribbon (4) has a housing and an essentially cylindrical ribbon transport roller (13) driven by an external printer motor. The ribbon is passed between the transport roller and a counter element (5) attached to the housing. The counter element at least partiall annularly encloses the roller. Its internal dia. essentially corresp. to the external dia. of the roller. The roller has a friction surface at least opposite the counter element. ADVANTAGE - Fewer components than conventional cassettes.
Patent DE-3940762-A1 (DE)
Inventor: HEIN CHRISTIAN
IPC: E05F15/20
Filed: 1989-12-09
Abstract: PCT No. PCT/DE90/00793 Sec. 371 Date May 10, 1991 Sec. 102(e) Date May 10, 1991 PCT Filed Oct. 18, 1990 PCT Pub. No. WO91/09197 PCT Pub. Date Jun. 27, 1991.A sliding door with two for example panels coupled with a belt-drive mechanism driven in turn by a motor. The panels are also connected to an auxiliary drive mechanism that is provided with energy by the panel as it slides into a closed position and that can move the panel when the clutch is deprived of current. At least one programming switch, a motion sensor, and a limit switch activate regular controls that move the panel automatically. Self-monitoring additional electronic controls constitute a door-safety module. The object is to monitor the opening of the door in response to a signal from the motion sensor and to allow self-testing of the function of the auxiliary drive mechanism and ensure inherent reliability of the door-opening monitoring process. A door-safety module is controlled in accordance with a program and has at least one motion sensor and one limit switch associated with it.
Patent DE-4000732-A1 (DE)
Inventor: SCHANZER HANS-PETER DIPL ING
IPC: B60H1/00
Filed: 1990-01-12
Abstract: In a channel arrangement in the roof of a bus, consisting in each case of a first channel facing the side windows and a second channel which follows the first channel, has air outlet nozzles on the underside and attached channel sections and air outlet nozzles directed towards the centre of the vehicle, it is proposed for the purpose of feeding the passenger compartment intensively with air, to feed temperature-controlled air to the first channel as required and to provide said channel with air outlets via which the side windows are fed with air. The second channel is arranged below a luggage shelf which has the air outlet nozzles at the front via which air flows off towards the roof of the vehicle. <IMAGE>
Patent DE-4001540-A1 (DE)
Title: Electro-optical LC system
Inventor: FINKENZELLER HANS-ULRICH-RUDOL
IPC: C09K19/54
Filed: 1990-01-19
Abstract: (+1.11.89(2), 9.12.89, 10.1.90(2), 12.1.90, 16.1.90, 19.1.90(3), 22.1.90, 23.1.90, 25.1.90-DE-936307/8, 940788, 000470/1, 000723, 001023, 001539, 001540/1, 001683, 001843, 002146) Electro-optical LC system comprises a dielectrically positive LC mixt. (LCM) and another optically transparent medium (M2) between 2 electrodes which may be mounted on substrate plates; the LC mols. have an irregular orientation in the "off" state one of the refractive indices of LCM matches that of the matrix (nM) and/or the ratio of the masses (LCM):(M2) is 1.5 or above, and the system shows reduced transmission in one of the switching states w.r.t. the other state, irrespective of the polarisation of the incident light; the novelty is that LCM contains cpd(s). of formula (I). In (I), Q1 = A1-Z1-(Z2-Z2)m- (with A1, A2 = trans-1,4-cyclohexylene (Cyc), 1,4-phenylene (Phe), 2-fluoro-Phe or 3-fluoro-Phe; one of the gps. A1 and (if present) A2 can also = pyridine-, pyrimidine-, 1,3-dioxan- or tetrahydropyran-2,5-diyl, or naphthalene-2,6-diyl; Z1, Z2 = single bond, CH2CH2, COO, OCO, -CC-, and/or CH2O; m = 0, 1 or 2); Y, X = H or F; one gp. X or Y can also = Cl; W = CN, Cl, F, CF3, OCF3, OCHF2, NCS or R2 (with R2 = as for R1 below); R1 = 1-12C alkyl, opt. with 1 or 2 non-adjacent CH2 gps. replaced by O or CH=CH.
Patent DE-4002761-A1 (DE)
Inventor: ESCHMANN SYLVESTER
IPC: D21F7/08
Filed: 1990-01-31
Abstract: A press felt for the press area of a paper machine has a supporting material web made of one or more woven fabrics or knitted fabrics and a fibre layer applied at least to the paper side and associated with the supporting material web, the surface of which forms the paper contact side and in which a permeable layer is arranged between the paper contact side and supporting material web. To improve the dewatering power, the permeable layer is designed as a barrier layer (7) having a surface covering of 45% to 85%, the barrier layer (7) having elongated passage openings (9) aligned in the transverse direction. <IMAGE>
Patent DE-4003260-A1 (DE)
Inventor: KAHLER KLAUS D
IPC: H02B1/21
Filed: 1990-02-03
Abstract: The present invention relates to an adaptor for placing onto busbars and for the direct connection of an electrical apparatus (2) such as an isolator. The adaptor has hook contacts (H1, H2, H3), which engage behind the busbars (L1, L2, L3) and rest on the upper edge of the busbars with a contact surface. In addition, the adaptor has a group of connecting contacts (9) which can optionally be connected to one of two groups of connecting contacts (19, 19') of the apparatus. In order that the hook adaptor matches the envelope, without the position of the apparatus to be placed thereon shifting, it is proposed according to the invention that the hook contacts be capable of being mounted in a position rotated through 180 DEG , and that the following relationship apply for the spacing c of the contact surfaces (7, 7') of the outer hook contacts which are rotated through 180 DEG  with respect to one another:     c = ¦2a-b¦, or   c = 2a + b, where a is the distance of the contact surface of a hook contact from its group of connecting contacts (9), and b is the distance between the two groups (19, 19') of connecting contacts of the apparatus. <IMAGE>
Patent DE-4005168-A1 (DE)
Title: Rapid switching circuit for transformer or motor
Inventor: MAASLAND HANS-HERMANN ING GRAD
IPC: H02M3/335
Filed: 1990-02-17
Abstract: The switching circuit has a driver stage (24, 25) for switching parallel MOSFETs (17, 18) and insulated-gate bipolar transistors (15, 16). The MOSFETs are frequency independent and have a specified voltage range, the bipolar transistors being used for the higher frequency range, e.g. above 20 kHz. Pref. the control electrodes of the different semiconductor (15, 16, 17, 18) are coupled to the driver stage via pre-resistances of differing value.
Patent DE-4016613-A1 (DE)
Title: One-piece crankshaft for IC engine - has crank webs which no not extend beyond crankpin axis
Inventor: STEMMER XAVER DIPL ING
IPC: F16C3/20
Filed: 1990-05-23
Abstract: The one-piece crankshaft for a multi-cylinder IC engine has a crankpin (20) formed between two crank webs (22,24) which are formed at the ends of the main bearings (12,14).  The webs (22,24) are so formed that they do not extend beyond the axis of the crankpin.  In addition an eccentric hole (30) is formed in the crankpin. This design of crankshaft reduces its weight without affecting its rigidity.  The weight of the crankshaft counter-balance weight is also reduced, resulting in a further reduction in engine weight. USE - Piston engine crankshaft.
Patent DE-4018268-A1 (DE)
Title: Closure device for weighing container - contains rod actuated flaps with self-locking rod linkage, and ensures secure closure during long operating life
Inventor: KRAEMER WILHELM LUDWIG
IPC: G01G13/18
Filed: 1990-06-07
Abstract: The closure device for a weighing container with a weighing housing contains two flaps (2, 3) forming the base of the container and each linked to the container walls via a pivot axis. The flaps are actuated by a rod contg. a self-locking link with a linkage point at which the forces imposed on the rod by the two flaps act in opposite directions. The rod linkage points (22, 32) on the flaps lie vertically above the closure edges (8) of the flaps. With the flaps closed they are approximately in the plane (33) of the flap pivot axes (21, 31). USE - E.g. for use with plastic weighing containers.
Patent DE-4025182-A1 (DE)
Title: Electron irradiating cable insulation - by taking it direct from extruder and cooling it in water bath while twisting at least once and passes through narrow radiation field
Inventor: STREHLE HANS
IPC: H01B13/00
Filed: 1990-08-06
Abstract: Long lengths of material are irradiated with high energy radiation. Process is pref. for crosslinking the polymer insulation round cable conductors, in which the conductors are rotated about their longitudinal axis while in the radiation applied. Conductor is produced continuously and passed from an extruder to the irradiating station whilst it is  gripped and rotated at least once through 360 deg. in the radiation field before being moved on and reeled; the distance between the two points, to which the 360 deg. refers, is the length of the radiation field; the conductor is cooled whilst it is being irradiated; the intensity of irradiating is regulated by the draw-off speed of the conductor; and the width of the electron beam is less than the width of the conductor. ADVANTAGE - Method is pref. intended for use with sector  type conductors with(out) twist. Method is highly effective and suitable for continuous application.
Patent DE-4028991-A1 (DE)
Title: Flow valve with fluid discharge opening - operates using temp. dependent change of dia. of alloy metal lock washer
Inventor: KERNER WOLFGANG DIPL ING
IPC: F16K31/00
Filed: 1990-09-13
Abstract: The flow valve has a discharge opening (27,28) for the hydraulic medium, and operates via the temp. dependent change of form of an alloy metal lock washer (26). The sealing face of the housing (21) around the discharge opening borders a ring chamber (25). The lock washer expands diametrically within this chamber, according to its temp., to cover the sealing face of the discharge opening. The washer expansion effect is reversible to change the valve flow direction.  USE/ADVANTAGE - More compact construction of fluid flow valve.
Patent DE-4031504-A1 (DE)
Title: Semi-trailer rotating plough with variable setting of working width
Inventor: MEURS WILHELM
IPC: A01B3/46
Filed: 1990-10-05
Abstract: The semi-trailer rotating plough comprises a plough frame pivotable about an upstanding axis in relation to a plough front carriage. Plough shares are mounted indirectly or directly on the plough frame. It has a rotating device for turning the frame, a support wheel mounted on a stabiliser, a pivot bearing associated with the support wheel directly or via the stabiliser and an arm connected with the plough frame and attached to the pivot bearing. The pivot bearing is articulated to the plough frame for movement about an axis, which is approximately vertical in relation to the plough frame in the working position of the plough. The arm is connected to a steering mechanism which adjusts the plough  shares.
Patent DE-4031839-A1 (DE)
Title: Length measurement of relatively movable electrical conductors -  uses reflection or step voltages and measurement of reflection times
IPC: G01B7/02
Filed: 1990-10-08
Abstract: A method of measuring the lengths of relatively movable electrical conductors involves connecting the conductors together and applying a step voltage at a defined position. The voltage returned to the point of application of the step voltage following reflection from the end of the conductor is measured and the length of the conductor is determined form the reflection time. USE/ADVANTAGE - For use in measuring the lengths of telescopic crane jibs.  The method enables accurate measurements without the use of auxiliary measurment aids.
Patent DE-4032753-A1 (DE)
Title: Bristle or brush strip for all types of vacuum cleaner - is endless or part strip fixed or movable around outer edge of suction housing of vacuum cleaner
Inventor: GRIESEL HEINRICH
IPC: A47L5/00
Filed: 1990-10-16
Abstract: The bristles of the bristle strip (1) can be designed differently regarding their length, strength and to suit a particular arrangement. The bristle or brush strip can be arranged to move in the direction or in the counter direction of the working operation, across a driving roller (3) and across three or more guide rollers (4). The driving roller is moved by an electric mini-motor independently of the suction motor. The drive roller can be drive connected with the suction pipe by means of corresp. coupling elements. The strip can be provided respectively as part strips on the narrow ends of the suction housing (2), and can be activated singly or together by foot or hand operation, by means of a trip spring mechanism or in other manner. USE/ADVANTAGE - Removes dust from floors and in same working pass simultaneously sucks up dust from corners and angles.
Patent DE-4035407-A1 (DE)
Title: Mounting arrangement, e.g. for precision equipment - has pivoting connecting element and damping spring enabling adaptation to different mounted object positions
Inventor: KINOSHITA SHIGEO
IPC: G11B33/08
Filed: 1990-11-07
Abstract: The mounting arrangement has a damping device (10) via which an object (14) is mounted on a holder. A damping spring (28) compensates the wt. of the object acting on the damping device.  A connecting element (22) mounted on the holder or object pivots depending on the adjusted position of the object. The damping spring is arranged between the connecting element and the mounting or the object so that it pivots with the pivoting motion of the connecting element. USE/ADVANTAGE - E.g. for mounting precision equipment, such as compact disc player, in a vehicle. Can be easily adapted to different object adjustment positions.
Patent DE-4036224-A1 (DE)
Inventor: KAISER HARRY DIPL ING
IPC: G01P15/11
Filed: 1990-11-14
Abstract: A sensor (11) for the automatic triggering of safety devices in motor vehicles comprises, inside the housing, a seismic mass (15) which has a permanent magnet (17) in a projection (16) at one end. The permanent magnet (17) is in operative connection with a Hall switch (22). The magnetic flux of the permanent magnet (17) is in such a form that the magnetic field passes through the Hall switch (22) with the sensor in the inoperative position. When the seismic mass (15) is tipped, both the direction and strength of the magnetic field change. This provides a clear measurement signal which can be evaluated by simple and economical Hall switches (22). The sensor (11) is suitable for extremely simple mass production.
Patent DE-4037542-A1 (DE)
Title: Safety device for vehicle ignition lock - has pawl to prevent withdrawal of ignition key unless in parking position
Inventor: VEHRKE HEINZ
IPC: F16H59/74
Filed: 1990-11-26
Abstract: The safety device is for a vehicle. Turning the locking cylinder (3) of an ignition lock to a position where the ignition key can be withdrawn is only possible when the gear shift (14) is in the parking position (P). A pawl (5) connected to a cable operated pawl mechanism in the region of the parking position of the gear shift engages in a recess (23) on the circumference of the lock cylinder. USE/ADVANTAGE - Compact safety device which prevents the removal of the ignition key during vehicle travel.
Patent DE-4039632-A1 (DE)
Title: Pressure container for spraying fluids - has separately filled gas chamber, fluid chamber, lid with through pipe set in longitudinal axis of pressure container
Inventor: WEITZ KLAUS-DIETER
IPC: B05B9/08
Filed: 1990-12-12
Abstract: The pressure container for spraying fluid substances such as paints without any environmental harmful chemical propellants comprises several chamber-forming elements and valves in the form of a tubular disposable package insertable into a container. A lid (4) with a through pipe (5) set eccentrically in the longitudinal axis of the pressure container is connected pressure-tight on one side in force locking engagement with a tube (3) forming one fluid chamber (1) and on the other side in keyed engagement with a tube (7) forming a gas chamber (2). The tube is closed at the top end by a screw-on lid (17) through locking means (19) whilst the other tube (7) is closed at the bottom by a lid (8) with a fitted inlet valve (9) and stands on a cap (11). The defined position of the lid at the top is determined by an axial agreement between the vertically movable press button and non-return valve. ADVANTAGE - The separation of the fluid chamber from the gas chamber allows independent refilling and a greater variety of uses.
Patent DE-4042282-A1 (DE)
Title: Prepn. of E-oxime ether(s) of phenyl-glyoxylic acid ester(s)
Inventor: KUEKENHOEHNER THOMAS DR
IPC: C07C235/34
Filed: 1990-12-31
Abstract: Prepn. of E-oxime-ethers of phenylglyoxylic acid esters of formula (I) comprises (a) reacting a phenol Xm-Ph-PH in a base in the presence of a solvent to give a phenolate; (b) mixing with a lactone of formula (III); (c) distilling off solvent and reacting the mixt. at 50-250 deg.C in the melt; (d) washing with water and acid to give a 2-phenoxymethylbenzoic acid of formula (IV); Q = OH); (e) treating with phosgene or SOCl2 to give the 2-phenoxymethylbenzoyl chloride (IV; Q = Cl); (f) reacting with alkali(ne earth)metal cyanide opt. in the presence of prussic acid; (g) treating the 2-phenoxymethylbenzoyl cyanide (IV; Q = CN) with MeOH in the presence of acid to give (VIIb); (h) opt. splitting under acidic conditions to give (IV; Q = C(O)NHR) or (i) treating (IV; Q=R) with dimethyl sulphoxide in the presence of a base to give a beta ketosulphoxide (IV; Q = CH2SOCH3) and treating with a halogenating agent, and MeOH in acid to give (IV; Q = C(O)OMe); (k) reacting (IV; Q = C(O)OMe) and/or (VIIb) with O-methylhydroxylamine or its acid addn. salt to give (I). Q = R1CH2SOMe, OH, Cl, CN or C(O)NNR; X, Y = halo, 1-4C alkyl, 1-4C alkoxy or CF3; m = 0-4; n = 0-3; R = 1-4C alkyl.
Patent DE-4101874-A1 (DE)
Title: Microcapsules contg. melamine powder - useful as fire-resistant treatment for plastics, esp. polyurethane foam
Inventor: HORACEK HEINRICH DR
IPC: C08K9/10
Filed: 1991-01-23
Abstract: Microcapsules (I) are claimed contg. melamine powder (II) encapsulated in a plastics sheath (III). Also claimed is a process for the prodn. of (I) by coating (II) with a soln. or dispersion of (III) or a precursor or precondensate thereof, opt. allowing (III) to react and then removing the solvent or dispersion medium. (I) consists of 50-90 wt.% (II), pref. with mean particle size 0.5-100 microns, and 10-50 wt.% (III), pref. thermosetting resin or amorphous thermoplastic. USE/ADVANTAGE - (I) are useful as a fire retardant treatment for plastics, esp. polyurethane (PU) foam (claimed). W.r.t. unmodified melamine powder, micro-encapsulated (II) gives a fire-resistant PU foam with better mechanical properties, esp. long-term properties, and remains uniformly dispersed in the plastic without migrating to the surf
Patent DE-4102715-A1 (DE)
Title: Centrifugal pump with double sided impeller
Inventor: REIHANSL JOSEF
IPC: F04D5/00
Filed: 1991-01-30
Abstract: A centrifugal pump has an inner housing formed from two half shells (5,6) which are clamped together inside an outer housing ring (9) by means of end covers (7,8). The outer housing ring (9) has an inlet connection (13) and an outlet connection (14) which are connected to the inner housing (5,6) by side ducts with concentric outer walls and spiral inner walls.  The pump has a double sided impeller (11) mounted on a shaft (12) and is located axially by anti-friction rings fitted in annular grooves in each half housing (5,6). The inlet duct is inclined at an acute angle to the plane of the outer housing ring (9).
Patent DE-4103120-A1 (DE)
Title: Synergistic herbicidal compsns. for weed control, esp. in rice - contain Benfuresate and MCPA, Bifenox, Bensulide, Thiobencarb, Quinclorac, Piperophos, MCPB, Simetryn or Molinate
Inventor: REES RICHARD DR
IPC: A01N43/42
Filed: 1991-01-31
Abstract: Synergistic herbicidal compsns. (A) contg. (a) benfuresate and (b) MCPA, bifenox, bensulide, thiobencarb, quinclorac, piperophos, MCPB, simetryn or molinate are new. Pref., the wt. ratio (a):(b) is 1:10-10:1. USE/ADVANTAGE - (A) have high activity and are used for the selective control of monocot and dicot weeds in crops, esp. rice. The use of (A) substantially reduces the cost of weed control compared with the use of (a) and (b) alone. Pref. the compsn. is used in amt. of 0.001-5 kg/ha, pref. by post-emergence treatment. In an example, control of Echinochloa crus-galli by a combination of (a) (300 g/ha) and MCPA (b) (62.5 g/ha) was 100% compared with 58% expected according to the Colby formula, 40% for (a) alone (300 g/ha) and 30% for MCPA alone (62.5 g/ha). Similar improvements were seen using combinations of (a) and different components (b) against the same weed and against Sagittaria pygmaea and Cyperus serotinus
Patent DE-4103367-A1 (DE)
Title: Sliding clasp fastener - has intermediate clasp with top and bottom fasteners for long garments
IPC: A44B19/28
Filed: 1991-02-05
Abstract: A zip fastener suitable for longer garments has two fasteners along with a double band in each direction, with the necessary connectors fitted. An intermediary position is occupied by a clasp which connects the two bands, and from which the two fasteners commence the glide up and down respectively. ADVANTAGE - It is not necessary to draw the garment over the head. There is no drooping accessory from the zip at the bottom of the garment. The zips are in a convenient position to operate. The clasp can be positioned in a waistband or similar, and it opens completely.