baber/WOPTO huggingface dataset:
Patent DE-4123785-A1 (DE)
Inventor: BRUHN RAINER
IPC: H02K7/06
Filed: 1991-07-18
Abstract: In order permanently to eliminate axial play in an armature spindle (1) of an electric motor, especially for the windscreen wiper installation of a motor vehicle, even during alterations, a clamping member (3, 32) loaded by a spiral spring (13) continuously presses against the end (32) of the armature spindle (1). The clamping member (3) need not necessarily be applied directly to the end of the armature spindle but a cap (34) fitted on the end of the armature spindle may be interposed. It is held so as not to rotate in the motor housing or a gear casing. The jacket of an eccentric forming the clamping member (3) is arranged on the outside (6) of the bottom of the cap. In another variant there is a mushroom-shaped clamping member (32), the head (34) of which presses against the end (35) of the armature spindle. The axial adjusting movement in connection with at least one helical surface (38, 39) on the clamping member (32) co-operating in the stroke-rotary direction with one or more helical counter-surfaces (40, 41) of the housing (e.g. 42).
Patent DE-4124054-A1 (DE)
Title: Capacitive level measurement probe, esp. for ballast contg. graphite or liquid metal - has AC measurement bridge connected between conducting surface inside insulated tube and conducting measurement medium
Inventor: DILCHER LOTHAR DIPL ING
IPC: F27D21/00
Filed: 1991-07-19
Abstract: The probe has an electrically insulating surface facing the medium, especially a tube with an inner electrically conducting surface, especically in the form of another tube. The a.c. measurements bridge is connected on one side to the inner conducting surface and on the other side to the external measurement medium. The real and imaginary parts of the measurement current between the inner conducting surface and eternal medium are detected separately. ADVANTAGE - Measurements cannot be adversely affected by deposits of thin, electrically conducting films on probe.
Patent DE-4125086-A1 (DE)
Title: Dynamic random access memory IC - provides reduced constant voltage for operating different internal circuits
Inventor: MIYAMOTO HIROSHI
IPC: G11C11/4074
Filed: 1991-07-29
Abstract: The memory IC incorporates conversion of a received external voltage (Vext) to obtain a reduced constant voltage level, used to operate internal circuits (MCA,CG) with a switching reset signal generator (PORGa) operated from the unconverted external voltage (Vext). The output voltage (Vint) of the voltage converison circuit (VDC) which incorporates circuit components with a large time constant, has a slow rise time relative to the external voltage (Vext). Pref. the switching reset signal generator (PORGa) is used to bring an internal circuit node with an undefined potential to an initial potential level. ADVANTAGE - Allows use of small size MOSFET's.
Patent DE-4126934-A1 (DE)
Title: Fly-cutter-type spline-generating milling machine - has cutters around periphery of magazine disk which can be indexed to bring new cutter into working position
Inventor: GARSCHAGEN FRIEDRICH A
IPC: B23C3/30
Filed: 1991-08-10
Abstract: Longitudinal slots or splines are machined by engagement of the rotating workpiece (4) with a fly-cutter (16) mounted in a tool carrier (5) rotating about an axis y normal to the axis x of the workpiece. The ratio of the tool carrier to workpiece rotational speeds is fixed depending on the number of splines required, i.e. 4:1 for four splines. The fly cutters are spaced around the periphery of a magazine disk (15) which can be indexed to bring new cutters into the working position. USE/ADVANTAGE - Downtime of machine for tool changing is minimised.
Patent DE-4129236-A1 (DE)
Inventor: MAUE HANS-HEINRICH
IPC: H01R13/639
Filed: 1991-09-03
Abstract: The proposal is for a releasable electric plug connection, especially for connecting a wiring harness to a motor control device in a motor vehicle, with at least one strip spring and at least one knife blade and a locking device pulling the contacts of the knife blade into contact bearer strips fitted in the strip spring, in which the locking device (9) has a locking lever (7) fitted with a projection (13) and pivotable on a part (3) of the plug connection (1) about a pivot (11), said locking lever (7) co-operating with a slide (27) fitted on the other part (21) of the plug connection (1).
Patent DE-4130035-A1 (DE)
Title: Absorber for removing acid from waste gas e.g. kiln waste gas - using porous matrix contg. salt in liquid aggregate state during absorption, for high efficiency and simplicity
Inventor: SCHWERIN MICHAEL
IPC: B01J20/28
Filed: 1991-09-10
Abstract: In an absorber for removing acid impurities from a waste gas stream (I) by contact with neutral or basic salt(s) (II), (II) is present in the open pores of a dimensionally stable, thermostable inorg. matrix (III), which is inert towards (II), (II) being in the liquid aggregate state at least during absorption. Pref. (II) is an alkali(ne earth) metal salt, including modifications contg. water of crystallisation, pref. a Li, Na, K, Ca, Mg or Ba nitrate, nitrite, phosphate or carbonte. (III) has a high m.pt. and pref. consists of Al2O3, MgO, SiO2, ZrO2, TiO2, Zr silicate, forsterite, feldspar, cordierite, mullite and/or glass phases. The pores in (III) have a dia. of 0.1-500, pref. 0.3-200, esp. 0.5-100 microns and form 50-95, pref. 60-90, esp. 65-85% of the total vol. USE/ADVANTAGE - The absorber is used for purifying (I), pref. hot (I), esp. hot (I) from a film for firing ceramics (claimed). The process combines the advantages of dry and wet absorption, i.e. has a high deg. of efficiency and is simple to operate.mp
Patent DE-4133276-A1 (DE)
Title: Garment finishing - utilising equipment to determine correct position for pressing trousers
Inventor: HABBE KARL-HEINZ
IPC: D06F73/00
Filed: 1991-10-08
Abstract: A stand for clothing, partic. trousers, is employed in the finishing stages of mfr. On the base plate is a movable appliance to position a pneumatic cylinder to actuate extendable blades, hinged at the centre of gravity. These fit closely into each leg and form the line down which the trouser will be pressed. The body of the trouser is suspended from the stand. ADVANTAGE - The appliance avoids a time consuming and inaccurate manual process.
Patent DE-4136817-A1 (DE)
Inventor: GUENTHER HANS-JUERGEN
IPC: H04M3/24
Filed: 1991-11-08
Abstract: From the main distributor, all outputs of the communications installation (PABX) are connected via a coupler (SM) to a balance network (PTI) with different line interface balances. The data processor (DP) of the installation to be tested (PABX) is loaded with an installation-dedicated operational test program (PPS). With the aid of a control computer (SC), signalling criteria are exchanged between the installation to be tested and the balance network (PTI) and the operations recorded. It is thus possible to perform a fully automatic installation-dedicated test on all hardware functions on the peripheral interfaces of a communications installation.
Patent DE-4137103-A1 (DE)
Inventor: SASSE BERNHARD
IPC: F15B15/18
Filed: 1991-11-12
Abstract: An electrohydraulic machine for generating a force on a vertically movable piston rod (5) linked to the piston (4) of a cylinder (3) has a first centrifugal pump (17, 18) arranged in the part of the cylinder (3) opposite to the piston rod (5) and linked by a shaft (15) to an electric motor (2), as well as a housing for the cylinder and centrifugal pump that delimits a reservoir for the working fluid. A second centrifugal pump (18, 19) is arranged underneath the first centrifugal pump (17, 18) and both centrifugal pumps (17, 19; 18, 19) are in communication with the reservoir (14) through a duct (21, 22). The cylinder chamber (6) is closed above the piston (4) in relation to the reservoir (14) and is linked to the second centrifugal pump (18, 19) by means of a pressure line (24). When the electric motor (2) turns in a predetermined direction of rotation, the first centrifugal pump (17, 19) is driven by the shaft (15) and when it turns in the opposite direction of rotation the second centrifugal pump (18, 19) is driven by the shaft (15), whereas, in each case, the other centrifugal pump runs freely, so that the piston (4) may be moved both upwards and downwards.
Patent DE-4138112-A1 (DE)
Title: Cabinet-type household appliance features base elevation - joined to appliance bottom by means of screw, elevation rests on appliance bottom
Inventor: SCHMIDT STEFAN DIPL ING
IPC: D06F39/12
Filed: 1991-11-19
Abstract: A cabinet-type household appliance - a washing machine, refrigerator, cooker etc - features a mounting body (1) incorporating a quadrangular mounting plate (2) and fastened on the appliance bottom (4). A short cylinder pipe (3), located on the top side of the plate, is featured in a circular opening in the four corner points of the appliance bottom (4) and the longitudinal sides of the mounting plates (2) are aligned in parallel with the rear or the front housing wall of the appliance. The mounting plate (2) is encased by a base elevation (6) connected to the appliance bottom (4) detachably by means of a screw (5). The upper support plane (9) of the elevation (6) rests on the appliance bottom (4), possibly together with additional support planes (13) and a bushing (15). ADVANTAGE - The method facilitates the assembly of appliances with feet that are adjustable in height.
Patent DE-4142269-A1 (DE)
Inventor: RIENSCHE HEINRICH
IPC: G05B11/50
Filed: 1991-12-20
Abstract: For a device for converting an electrical current signal into a mechanical control variable, consisting essentially of a pneumatic actuating element (1) with a push rod (2), a pneumatic amplifier (3), a compressed-air connection (4) and an electropneumatic signal converter which has an electromagnet (5), with a coil, an iron circuit and an air gap, a nozzle/baffle plate device (6) and a lever (8) which is supported on a clamping strip (7) such that it can pivot, it is proposed that one end of the clamping strip (7) be supported such that it can rotate about its longitudinal axis and that a return guidance lever (12) be arranged at right angles to the longitudinal axis, whose one end is connected in a rotationally fixed manner to the end of the clamping strip (7) which can rotate and whose free end is coupled to the push rod (2) of the pneumatic actuating element (1). 
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Patent DE-4200076-A1 (DE)
Title: Acoustic surface wave effect sensor with remote interrogation for e.g. ID tag
Inventor: BULST WOLF-ECKHART DIPL PHYS
IPC: G01S13/34
Filed: 1992-01-03
Abstract: The surface wave effect device is used for the remote, passive sensing of parameters. The unit has a finger electrode structure which when electrically excited generates acoustic waves. For temp. sensing a carrier material (30) has a piezoelectric substrate (130) of lithium niobate or similar that is temp. sensitive. Also on the surface is similar element as a reference device (230).The unit is interrogated by an incoming radio signal received by an antenna (16) and the measured output is transmitted by a second antenna.
Patent DE-4202953-A1 (DE)
Title: Saw blade with set teeth - comprises one-piece ceramic injection moulded part
Inventor: HELLSTERN PETER DIPL ING
IPC: B23D61/04
Filed: 1992-02-01
Abstract: A sawblade with set teeth consists of a one-piece ceramic blade, the setting being formed by teeth (2) with cutting faces projecting at alternate sides beyond the blade faces. Pref. the ceramic is an oxide ceramic, esp. Al203 and/or Zr02. Prodn. of the sawblade involves (a) mixing and homogenising ceramic powder and a binder (pref. a thermoplastics or polyolefin-based binder); (b) injection moulding a green body; (c) removing the binder; and (d) sintering. ADVANTAGE - One-piece ceramic sawblades of complex geometry can be produced.
Patent DE-4205231-A1 (DE)
Title: Tractor tool with sensor controlling pivoted tool blades - has pivot lever for each blade allowing initial rear movement during pivoting out of working position
Inventor: CLEMENS BERNARD
IPC: G01S13/88
Filed: 1992-02-21
Abstract: The tractor tool has a holder (2) supporting a pair of blades (5,6) lying next to one another in the travel direction. Each blade is pivoted outwards to the side, under control of a drive, operated via an ultrasonic, IR, laser, or radar sensor (11) attached to the holder (2) so that it detects growing plants. Each tool blade has front, rear and side blade edges and is supported by a pivot lever with a vertical pivot axis, allowing a rearwards outwards movement upon initial pivoting of the blades out of the working position under control of the drive. ADVANTAGE - Allows tool blades to be lifted from ground to avoid growing plants. Allows working of ground closer to plants. Higher speed.
Patent DE-4207261-A1 (DE)
Title: Styrene monomers with 2,2-bis-tri:fluoro-methyl-oxy:ethano bridging gps. - useful for prodn. of polymeric binders for radiation-sensitive, positive and negative deep-UV resists
Inventor: PRZYBILLA KLAUS-JUERGEN DR
IPC: C08F12/22
Filed: 1992-03-07
Abstract: Cpds. of formula (I) are new, where R1 = acid-cleavable gp.; R2 = H or opt. halo-substd. 1-4C alkyl; R3-R6 = H, halo, or opt. halo-substd. 1-20C aliphatic, 6-14C aromatic or 7-20C araliphatic gp. Also claimed are polymers (II) contg. at least 10 mole percent units derived from (I). Also claimed are radiation-sensitive mixts. (II) contg. polymer binders with acid-cleavable side-gps. (II) and cpds. (IV) which produce strong acid on irradiation. Pref. R1 - tri(1-4C alkyl)-methyl, di(1-4C alkyl)-(6-10C aryl)-methyl, benzyl, tri(1-20C alkyl)-silanyl, (1-20C alkoxy)carbonyl, tetrahydropyranyl or tetrahydrofuryl, pref. tert.-butoxycarbonyl, iso-propoxycarbonyl, pentyloxycarbonyl, trimethylsilanyl, tert.-butyl or 1-methyl-1-1-phenylethyl, esp. pref. tert.-butoxycarbonyl, pref. in the para position w.r.t. -CR2=CH2; R2 = H or Me and R3-R6 = H. USE/ADVANTAGE - Used for the prodn. of positive and negative, ''chemically-reinforced'' deep-UV resists with good etching resistance, transparency, hydrophilic/hydrophobic balance and adhesion properties (cf. prior-art poly-(4-hydroxystyrene) and novolaks); (II) are easily prepd. from inexpensive bulk chemicals. The claims also include (a) a recording material with a substrate and a radiation-sensitive layer of (III), anbd (b) a process for producing relief structures or for structuring semiconductor wafers, by applying mixt. (III) to a conventionally pretreated substrate, drying to give a 0.1-5 micron layer, irradiating to produce an image, opt. heating to temps. up to 150 deg.C and then treating with aq. alkaline solvent to form a positive image or with organic solvent to form a negative image.
Patent DE-4207747-A1 (DE)
Title: Harmonic distortion for electric guitars - using phase splitting and separate distortion of each half-wave before summation and output
Inventor: ORDE BURKHARD AM
IPC: G10H1/16
Filed: 1992-03-11
Abstract: The sound distortion method involves using valve amplification throughout. A valve amplifier (1) is constructed as a valve input stage (2). The amplifier input signal (3) is passed to the high input impedance stage producing complementary signals which are passed to a differential amplifier (8,9) where a controlled level of distortion is introduced by one of two trimmers (12,14). One output of the second differential amplifier (9) is inverted by a valve stage (19). The resulting valve stage output is added to the output from the first differential amplifier to produce the final output (25). ADVANTAGE - Allows sound to be symmetrically distorted. Smallest dissymmetry is equalised.
Patent DE-4210959-A1 (DE)
Title: Cigarette pack with incorporated drawer - which is used to retain cigarette butts and used matches
Inventor: GREGORIC ALFRED
IPC: A24F19/10
Filed: 1992-04-02
Abstract: The cigarette pack has a small drawer fitted to its lower end, which is initially empty and slides sideways through the narrow side of the pack. The upper part of the pack is filled with cigarettes in the usual manner. The drawer is intended to retain cigarette butts, ash, and used matches so that they need not be thrown away. The drawer thus prevents the litter by discarded cigarette butts and used matches. ADVANTAGE - Contribution to environmental cleanliness.
Patent DE-4215868-A1 (DE)
Title: Mfg. micro-encapsulated liq. crystal system - having electrically switchable optical transmission
Inventor: WILSON HELEN ROSE DR
IPC: G02F1/1334
Filed: 1992-05-14
Abstract: Prodn. of an arrangement with electrically switchable optical transmission involves (a) coating one face of each of two transparent substrates (10,11) with a transparent conductive layer (12,13); (b) applying conductor elements for electrically contacting the two layers (12,13); (c) mixing a liq. polymerisable transparent plastics (pref. a one-component adhesive contg. mercaptan ester and acrylate monomer) with a birefringent liq. crystal material, which has high stability in the liq. plastics but low solubility in the solid polymerised plastics, in a wt. ratio such that the solubility in the liq. plastics is not exceeded but the solubility in the solid plastics is exceeded; (d) applying a certain vol. of the resulting soln. to the periphery of at least one portion of the coated face of one (10) of the substrates and applying spacers (14) onto the coated face (31) of this substrate (10); (e) applying the second substrate (11) such that the soln.is located between the two conductive laeyrs (12,13); (f) bringing the two substrates (10,11) close together so that the soln. is distributed uniformly and completely between the substrates, the distance between the conductive laeyrs (12,13) being determined by the spacers (14); and (g) UV irradiating the soln. for rapid polymerisation of the plastics. USE/ADVANTAGE - The arrangement is useful for building glazing, overhead glazing, solar collectors, car sunroofs and/or the like. The arrangement is a micro-encapsulated liq. crystal which is switchable between a non-transparent state with extremely low light transmission and a transparent state with extremely high light transmission free from deleterious effects such as interference. The liq. crystal layer is protected against mechanical and UV damage and the system is operated by a simple arrangement.
Patent DE-4217890-A1 (DE)
Title: Centrifugal manure spreading device - has two rotating centrifuges with radially extendable blades that rotate in variable planes
Inventor: DREYER HEINZ DIPL ING DR
IPC: A01C17/00
Filed: 1992-05-29
Abstract: The machine comprises a twin funnel (5) storage container (1) with measuring outlets (6,7,8,9) at the bottom. Immediately under these outlets are two rotating disc spreaders (10,11) whose blades (12,13) are radially extendable and rotate in planes at various angles from the fixed centre point. The tips of these blades therefore have a limited up or down movement. The spreaders (10,11) are connected to a drive shaft (14) associated with a bearing or gearbox (15,16) which is fixed to the basic frame (2) by means of a holder. This mechanism is coupled to other drive mechanisms which set the spreaders and gearbox in a reciprocating action opposite the outlets (6,8). USE/ADVANTAGE - Manure spreader produces uniform distribution on ground surface regardless of individual spreadability of different materials.
Patent DE-4223551-A1 (DE)
Title: Fastening reinforcing element with threaded plate - has threaded passage and centring aid in form of collar like expansion which adjoins threads and has inlet radius
Inventor: WIEDEN GERHARD
IPC: B62D21/09
Filed: 1992-07-17
Abstract: The fastening element has threaded passages (4) extending up from the base (5) and provided in the attachment area for the screw with a centring aid (7,8) such as a collar-like expansion (7). On one side this adjoins the thread (6) and on the other is provided on the inlet side with an inlet radius (8). The collar like expansion (7) can be moulded at the same time as producing the threaded passage. The fastening plate can be made from sheet metal or aluminium. ADVANTAGE - Easier manufacture without the need for stock-removing work.
Patent DE-4227434-A1 (DE)
Inventor: ALT MARION
IPC: G01K5/22
Filed: 1992-08-19
Abstract: The invention concerns a clinical thermometer which registers the maximum temperatur reached and which uses as the thermometric fluid (14) a Ga-alloy eutectic mixture which is non-toxic and adheres strongly to the walls of the thermometer capillary (13), these adhesive forces being greater than the internal cohesive forces within the liquid (14). The maximum temperature can therefore be registered without the need for the Hicks constriction used in prior art clinical thermometers, thus facilitating the manufacture and use of the thermometer. Moreover the invention concerns a Ga-In-Sn alloy which can be used not only in clinical thermometers bu also, for example, as lubricant or antifriction agent.
Patent DE-4229042-A1 (DE)
Title: Electric-motor-assisted hydraulic brake for motor vehicle - has sensitivity to brake pedal operation enhanced by gearing-down and unequal dias. of colinear pistons
Inventor: TAKAHASHI KIMIO
IPC: F16D65/14
Filed: 1992-09-01
Abstract: The vehicle has the brake pad (11) urged against the disc (12) by a piston (9) driven by fluid in a chamber (10) defined between this and a forcing piston (7) which slides in a cylinder (2b) against a helical spring (S) when a threaded spindle (5) is rotated by gearing (4) from the motor (3). The motor is operated by electronic control when a force or position sensor detects abrupt depression of the brake pedal. ADVANTAGE - Compact, lightweight and independent force transmission to individual wheel brakes. Driver can brake mechanically if electric control should fail.
Patent DE-4235593-A1 (DE)
Title: Two=dimensional micro-mechanical on=chip mirror deflection system - has mirror frame attached to frame by diametric conductive tracks orthogonal to tracks connected to frame
Inventor: REICHENEDER DETLEV
IPC: G02B26/08
Filed: 1992-10-22
Abstract: The mirror (1) is attached to a frame (2) by a gimble suspension. The frame (2) is pivotably attached to the chip (3) by two diametrically arranged conductive tracks (4.2). The mirror (1) is also attached to the frame (2) by two further diametrically arranged tracks (4.2). These latter tracks are orthogonal to the tracks of the frame (2). A control current flows through the frame (2). Electrodes (5) are provided below the chip (3) and control current guiding tracks (6) are provided outside the frame (2), preferably underneath it. ADVANTAGE - Has small dimensions and can be operated at high frequency.
Patent DE-4239787-A1 (DE)
Title: Detection device for stolen motor vehicles in cross-border traffic - utilises transmitter in vehicle, sending out digital signal with alphanumeric code, and receiver at border post
Inventor: ALIPOUR ERAJ
IPC: B60R25/102
Filed: 1992-11-26
Abstract: A security device for vehicles, especially for motor vehicles in cross-border traffic, incorporates a transmitter built into the vehicle, sending out a digital signal comprising an alphanumeric code. There is a receiver at the border post which detects, decodes and evaluates this signal. The transmitter comprises separate elements to store the sequence of digits or letters, to encode them using programmable ROM and to transmit them. A second different coded signal can be transmitted after a preset time interval from the first signal. The transmission frequency is 423.93 (433.93) MHz and the power is 20 mW, giving a range of 20 metres. ADVANTAGE- Stolen vehicles easily detected at border posts.