baber/WOPTO huggingface dataset:
Patent DE-4039455-A1 (DE)
Title: Solid body laser - comprising microcrystal laser resonator and separate mirror
Inventor: HEINEMANN STEFAN
IPC: H01S3/105
Filed: 1990-12-11
Abstract: Solid body laser (I) pumped by diodes has longitudinally and transversally determined unimodel operation, whose solid body is optically excited and the pump light is longitudinally focussed into the resonator mode. The novelty is that a microcrystal laser resonator is made of a laser crystal (10), e.g. Nd:YAG crystal and a separate mirror (11). The laser crystal (10) has flat ground and polished surfaces (f2,f3) and a piezoelectric foil (12) of strong electostriction determines the laser wavelength between the laser crystal (10) and mirror (11). ADVANTAGE - The laser can be easily made and has a frequency modulation 'in single frequency operation' in the GHz range.
Patent DE-4100407-A1 (DE)
Title: Pallet made of corrugated paper - has baseplate to underside of which are fixed feet, with coating layer
Inventor: KNOESS HANS-JUERGEN
IPC: B65D19/40
Filed: 1991-01-09
Abstract: The pallet, pref. made of corrugated paper, has a baseplate (1) made of folded material or wood, and corrugated paper feet (2) fixed to the underside of the base plate (1). The feet (2) are made of spiral coils of corrugated paper with stuck-together layers. The coating layer (3) pointing towards the feet (2) has holes (4) near the feet (2), so that the glue joining the feet (2) to the base plate (1) can penetrate to the corrugation (5) of the base plate (1) and into the layers of corrugated paper open at the ends. USE/ADVANTAGE - The pallet feet are made of environmentally friendly material.
Patent DE-4100448-A1 (DE)
Title: Airjet yarn smoother - has quick threading slot for automatic machines
Inventor: OHASHI KENJI
IPC: D02J3/00
Filed: 1991-01-09
Abstract: Equipment to level the fibres protruding from a yarn, is fitted to an automatic winder, and consists of a threader block with a central tubular passage and with tangential air pressure jets around it. ADVANTAGE - The yarn is rendered smooth without loss of body content, and the performance is improved, esp. on air jet.
Patent DE-4105052-A1 (DE)
Title: Deburring machine for flame cut slabs - removes burr by traversing rolling cutter of cone frustum shape along burred edge
IPC: B23K7/06
Filed: 1991-02-19
Abstract: The burr left on the underside of a flame cut slab or bloom (1) can be removed by traversing a rolling cutter (2) of cone frustum shape along the burred edge under controlled hydraulic pressure. The burr is bent outwards and broken off by the passage of the cutter. In advance of actual burr removal an impact cutter produces notches in the burred edge to ensure that the burr material can be removed in small, easily handled pieces. USE/ADVANTAGE - Burrs on slabs in a wide variety of steel specifications can be easily removed.
Patent DE-4112671-A1 (DE)
Title: Half-timbering union bearer - comprises horizontal, inclined or bent pressure beam of wood, steel or concrete, with simple or multiple lower tension by means of steel plate or round steel draw beams
Inventor: PATT WILHELM
IPC: E04B7/20
Filed: 1991-04-18
Abstract: Before hardening of the concrete beam (6), the wooden beams (5) form a support structure with the filler bars (4) and the draw beams (3), in that the filler bars (4) are connected via tabs (20) and the draw beams (3) via wire tension to the wooden beams (5), whereby the force is transmitted via steel bearers and wooden pressure pieces on to the wooden beam ends. The lower tension (3) of each binder half is achieved by a round iron (15) which has pressure contact with a locator plate (16) and engages in tabs (17) connected to the filler bars. The draw beams (3) are connected by welding to steel bearers, which have pressure contact with the wooden beams (5), and are connected to the concrete beam (6). ADVANTAGE - A low cost half-timbering bearer which can be used for full wall purposes and also has an inclined roof binder.
Patent DE-4119228-A1 (DE)
Title: Diaphragm oscillating reciprocating pump - has flexible support at back of diaphragm
Inventor: RIEDLINGER HEINZ
IPC: F04B43/02
Filed: 1991-06-14
Abstract: A working area (7) is defined by the outer edge of a flexible diaphragm (5) stretched in a pump casing (2) and the casing (2) itself. The diaphragm (5) is moved by a connecting rod (10) attached to its centre. On the other side of the diaphragm from the working area is a muffling device (16) in the form of a flexible support (17) which acts on the back of the diaphragm (5). The support (17) rests on an abutment (21) joined to the pump casing (2), and is best designed as an annular disc through the central opening (18) of which the rod (10) passes. USE/ADVANTAGE - A simple and inexpensive method of reducing operating noise.
Patent DE-4119940-A1 (DE)
Inventor: CHONG CHEE-KONG
IPC: G06F1/32
Filed: 1991-06-17
Abstract: A power controlling device for a micro-computer utilizes hardware monitoring means to control a power saving system so as to prevent the problem of incompatibility and not to increase the loading of the CPU. Signals from an address bus 2 are converted at 4 to analog form and compared at 12 with upper and lower voltages 13, 14 to determine whether addresses on the address bus 2 correspond to the running of a waiting program. The output 5 of the converter 4 may be integrated at 6 and compared at 8 with further upper and lower voltages 9, 10 to determine whether a program is running repetitively. The power saving system utilizes the output of comparator 12, or the outputs of comparators 8 and 12. <IMAGE>
Patent DE-4125568-A1 (DE)
Inventor: ELENDT HARALD
IPC: F01L1/25
Filed: 1991-08-02
Abstract: The invention concerns a hydraulic cup-tappet intended for internal-combustion engines, the tappet having a housing (3) with a floor (4) and, located concentrically inside the housing, a play-compensation element (7) connected to at least one reservoir (14) for a fluid. The reservoir (14) is completely sealed with respect to the outside and is acted on by a spring-loaded element (13) to provide volume control. The invention calls for the reservoir (14) to be cylindrical in shape, and fitted with its longitudinal axis parallel to the longitudinal axis (18) of the play-compensation element (7) between the play-compensation element and the inside wall (9) of the housing, the spring-loaded element (13) being fitted inside the reservoir (14). This design gives a tappet with a small overall height.
Patent DE-4127695-A1 (DE)
Title: Inductive flowmeter with tube contg. electrodes in magnetic field - has additional channel in base with auxiliary electrodes for measuring low flow rates at low liq. levels
Inventor: KEESE DIETER
IPC: G01F1/00
Filed: 1991-08-21
Abstract: The flowmeter has an at least approximately horizontal measurement tube (2) through which a magnetic field passes essentially parallel to a dia. (4). Measurement electrodes (12,14) are mounted in the tube wall on either side of this dia. A channel (18) in the base of the tube runs approximately symmetrically w.r.t. this dia. At least one further electrode (24,26) is mounted in each wall of the channel. The channel can be formed in an insulating coating (28) on the tube floor.
Patent DE-4128106-A1 (DE)
Title: Removing condensed poly-cyclic hydrocarbon(s) from waste flue gas - by adsorption on a solid de-aluminised zeolite using specified silica-alumina ratio
Inventor: CORNEL PETER DR
IPC: B01D53/02
Filed: 1991-08-24
Abstract: Selective removal of highly-condensed polycyclic hydrocarbons (I), esp. halogenated dibenzodioxins and dibenzofurans, from previously de-dusted waste gas contg. SO2 and H2O, and opt. HCl, NOx and heavy metals, by adsorption of (I) at 200-200 deg. C on a solid de-aluminised zeolite with SiO2/Al2O3 ratio (20:1)-1000:1) (II). More specifically, (II) has particle dia. 1-5 mm and is used in a solid-bed reactor or a reactor with an agitated bed, through which the waste gas is passed at 0.1-1 m/sec.. USE/ADVANTAGE - Esp. for the removal of highly toxic substances (I) from flue gas etc. without the disadvantages of prior art processes (blockages caused by sulphuric acid formed by reaction of SO2 with adsorbed water, hot spots resulting in uncontrolled release of adsorbed (I), extra cost involved in predrying the off gas, deposition of toxic organic substances and mercury in the presence of2SO4, etc.); in this process no H2SO4 is produced even with off gas contg. 5 g/m3 SO2 at 90% RH
Patent DE-4131124-A1 (DE)
Title: Sample extraction vessel for application beneath extraction valve built into tube - has piston which can be fixed in position by inserting locking pin into piston rod holes
Inventor: FRANK MARTIN DR
IPC: G01N1/20
Filed: 1991-09-19
Abstract: The sample extraction vessel contains a piston (15) which can be fixed and which represents the lower limit of its useful vol. A rod (16) rigidly attached to the piston protrudes out via a base plate (13) fixed at the lower end of the vessel and can be fixed wrt. the base plate. The piston rod can be fixed by inserting a locking pin into cross-bores (18) in the rod and hole in a bracket (19) on the baseplate. ADVANTAGE - Enables accurate samples to be obtained simply under adverse operating conditions.
Patent DE-4132250-A1 (DE)
Inventor: KOEBLER INGO
IPC: B41F13/00
Filed: 1991-09-27
Abstract: The invention relates to a device for changing over to single-side printing or perfecting on sheet-fed rotary printing machines. Two respective pairs of intermediate spur wheels are disposed between the printing cylinder spur wheel and the turning drum spur wheel, a first pair of the intermediate spur wheels being in the form of a double wheel. The second pair of intermediate spur wheels are secured to a solid shaft or hollow shaft, preferably received in a control means for selectively driving the solid and hollow shaft in unison or differentially to one another. In another embodiment a set of intermediate wheels includes spur wheels associated with first and second printing cylinders. Intermediate spur wheels are disposed between the printing cylinder spur wheels and an annular wheel coupled to the turning drum. The intermediate spur wheels are likewise secured to a solid shaft or hollow shaft received in the control means for selectively driving the solid and hollow shaft in unison or differentially to one another.
Patent DE-4137046-A1 (DE)
Title: Gearing for fitness machine with vertical stack of weights - has crank arm between operating part and swivel arm guided in linear bearing
Inventor: KOVARIK JOSEF DR
IPC: A63B21/062
Filed: 1991-11-11
Abstract: The gearing for a fitness machine for converting swivel movement into a linear movement of a stack of weights which move vertically on a frame has a crank arm (11) engaging on the operating part (8, 9) which is mounted rotatable on the machine frame. At the other end of the crank arm there is a swivel arm (12) whose swivel plane lies parallel to the swivel plane of the operating part (8, 9) and which is guided on its middle longitudinal section in a linear bearing (13) which is rotatably mounted in the frame (1). The swivel arm is attached at its other end to the stack (4) of weights wherein during linear movement of the weights (4) the swivel arm length and the linear bearing spot produce a circular arc movement of the swivel arm end connected to the crank arm (12). The centre point of the swivel arm end lies on the axis of rotation of the operating part (8, 9) and its radius equals the length of the crank arm. The angle between the crank arm and swivel arm is preferably acute. ADVANTAGE - A rigid coupling is produced between the linear movement of the weights and the swivel movement of the operating part so that sudden undesired movement of the weights is prevented.
Patent DE-4141427-A1 (DE)
Title: Gas turbine with radial-flow compressor of aluminium - has support sleeve in front side hub bore between drive shaft and compressor hub.
Inventor: MATZEL WALTER
IPC: F04D29/26
Filed: 1991-12-16
Abstract: The compressor is secured on a drive shaft(2).Between the latter and the compressor hub(6) is fitted a support sleeve (4) , which is provided with a ledge (5) via convex discs (9, 10) and is axially clamped on both sides to the compressor hub.Thus the sleeve has a press fit in the hub bore (3) and a low clearance seat on the drive shaft. On the rear side of the compressor (1) a Z-shaped tension component (16), provided with an elastic web (17), is fixed on the hub extension (15) of the compressor with a press fit and the tension component  is connected to the drive shaft by a driver for torque transmission. ADVANTAGE - Reliable,balanced fit between compressor hub and drive shaft.
Patent DE-4141491-A1 (DE)
Title: Double hull for marine vessel - has profiled underwater hulls for reduced drag and with mounting space for propulsion units
Inventor: WAGNER CARSTEN ING GRAD
IPC: B63B1/10
Filed: 1991-12-16
Abstract: The main hull is supported on two parallel underwater hulls (16) via narrow supports which ride along the waterline at speed. The underwater hulls stabilise the movement of the boat and have propulsion units (26) at the ends. The shape of the hulls is profiled for reduced drag while retaining sufficient space for the propulsion units. Diesel units for normal travel and gas turbines for fast travel are linked by a gearing in each hull. The gas turbines are set vertical with the intakes uppermost and the exhausts over the rear waterline. ADVANTAGE - Can take large propulsion units, reduced drag hulls.
Patent DE-4142918-A1 (DE)
Title: Lubricating oil pump for chain saw - has bearing bush which supports piston throughout its stroke
Inventor: SCHLIEMANN HARALD DIPL ING
IPC: F16N13/04
Filed: 1991-12-24
Abstract: The lubricating oil pump is for equipment driven by an IC engine, in particular a chain saw. It has a cylinder (12) which houses a piston (13). The piston has an integrally formed pinion (17) which meshes with a worm (16) which is driven from the engine and thus imparting a rotary motion to the piston. As the piston rotates an end face cam (19) which is formed on the end of the pinion (17) and is in contact with a stop (22) causes the piston to move axially to and fro, and draw oil from the inlet (42) which slides in a bearing bush (35). The lengths of the extension and bearing bush are so arranged that the extension is always supported over the full axial length of the bush (35). USE/ADVANTAGE - Lubricating oil pump with adequate sliding bearing support for the piston.
Patent DE-4201689-A1 (DE)
Title: Rocker for cot or cradle or toy - consists of electric motor or battery with gear and drive wheels
Inventor: JAECKLE ROLAND DIPL ING
IPC: A47D9/04
Filed: 1992-01-23
Abstract: The rocking drive for a cot or cradle consists of an electric motor which transmits power to the drive wheels by means of a gear. The cot/cradle is placed on the motor and produces horizontal to-and-fro movements. The movements can be set at different speeds. Instead of a mains power supply, another energy source such as a battery can be used. ADVANTAGE - The baby is lulled by a harmonious rhythm produced economically.
Patent DE-4212162-A1 (DE)
Title: Cooling device for refrigeration compressor electric drive motor - uses refrigerant provided by compressor, with obtained refrigerant combined with outputting evaporator in refrigeration circuit
Inventor: JUNG PETER
IPC: F25B31/00
Filed: 1992-04-10
Abstract: The cooling device uses the liquid refrigerant provided by the compressor (1) and supplied to the motor via a regulating valve (11), the refrigerant vapour fed from the electric motor (12) to the compressor suction line (8). Am expansion valve (6) feeding the liquid refrigerant to an evaporator (7) is controlled to obtain a given overheating temp. by a temp. sensor (9) monitoring the temp. of the evaporator output combined with the refrigerant gas from the electric motor. Pref. an oil/refrigerant separator is inserted in the liquid refrigerant line leading to the drive motor. ADVANTAGE - Prevents motor overheating and improves operation of refrigerant compressor.
Patent DE-4221994-A1 (DE)
Title: Method for positioning photographic sheet bearers - has individual sheets placed on transporter with several successive individual sheets of same format brought onto different overlapping paths
Inventor: HEHN WILFRIED
IPC: G03D3/13
Filed: 1992-07-04
Abstract: The selection of the overlapping paths occurs randomly. Each individual sheet is displaced by a fixed amount against the path of the positioned individual sheet crosswise to the transport direction. The individual sheets are transported in several adjacent rows. A feed moves the individual sheets crosswise to the transport direction and a control (8) is provided which controls the drive (4,6,7) so that several successive individual sheets of the same format are brought onto different overlapping paths. USE - To position photographic sheets for development.
Patent DE-4223129-A1 (DE)
Title: Optical beam induced current detection appts. - comprising light emission and scanning, detecting and depicting of current
Inventor: ISHII TATSUYA
IPC: H01S3/00
Filed: 1992-07-14
Abstract: An optical beam induced current (OBIC) detection process (I) comprises (i) beaming light onto a silicon substrate with one main surface having a p-n transition and another surface opposite the first on the side of the second surface whilst scanning; (ii) detecting an OBIC current lead by electron-hole pairs which excites a barrier layer photoeffect in the p-n transition; and (iii) depicting the distribution of the OBIC current in the silicon substrate whereby the light beam has a wavelength which allows a depth of penetration which is larger than the thickness of the substrate. Also claimed is OBIC detection appts. comprising equipment for emitting light, and scanning, detecting and depicting the OBIC current. The light beam is pref. YAG (Y3Al5O12:yttrium aluminium granulate) laser beam with a wavelength of 1064nm or a HeNe (helium neon) laser beam of wavelength 1152nm. USE/ADVANTAGE - (I) is used in semiconductor appts.
Patent DE-4223755-A1 (DE)
Inventor: KREUZINGER FRANZ
IPC: B23Q27/00
Filed: 1992-07-18
Abstract: For determining an intersection curve, e.g. for two pipes (18a; 18b) with different diameters, no methods have hitherto been known which are simple to implement in practice and also enable workpieces to be machined quickly and accurately in the largest range of use. This is achieved according to the invention by means of two cranks (12a; 12b) which are mounted in a floating manner and are connected to one another via connecting rods (13a; 13b). The radial distance of the connecting rods is adjustable. By one turn of the crank having the smaller radius, the system performs the intersection-curve movement, which is transmitted to the workpieces. <IMAGE>
Patent DE-4226912-A1 (DE)
Title: Magnetic recording support for use at high frequencies - comprises plasma-etched polymer support and ferromagnetic cobalt@-contg. thin layer
Inventor: FISCHER GERD DR
IPC: G11B5/66
Filed: 1992-08-14
Abstract: Magnetic recording support comprises a surface polymer support material, whose main surface is pretreated by plasma etching, and a ferromagnetic Co-contg. metallic thin layer 50-1000 nm thick, produced by PVD. The novelty is that the main surface of the support material is modified by plasma etching using 5 vol.% O-contg. gas. USE/ADVANTAGE - For magnetic recording at high frequencies. The magnetic layer is uniform, mechanically stable and free from defects.
Patent DE-4228006-A1 (DE)
Title: Continuous roller hearth furnace
Inventor: KUWAYAMA HIROSHI
IPC: F27B9/24
Filed: 1992-08-24
Abstract: Continuous roller-hearth furnace comprises a tunnel-shaped furnace housing divided into heating (7), soaking and cooling sections with internal rollers. The cooling section includes means (12) for feeding atmosphere-controlling gas and means for detecting the internal pressure. The heating section is provided with a forced gas exhaust means (14) which is capable of adjusting the internal pressure in response to readings from the detection means.     Pref. the rollers are provided with shielding covers and the pivots are protected by heat-resistant seals. A partition wall is provided between the soaking and cooling sections. The means for forced gas exhaustion includes a blower (15) and suction holes (17) connected via flow rate controlling valves.
Patent DE-4230967-A1 (DE)
Title: Mirror for self-observation by persons with visual handicap - has one or more lenses corresp to the mirror size, the optical properties of which can be altered.
Inventor: FETTE DIETRICH
IPC: G02B17/08
Filed: 1992-09-16
Abstract: The mirror (1) and the lenses form a unit entity. The mirror body (11) is a lens or forms part of the formation of a lens. At least one effective outer surface of the lenses is formed by bending and/or extension of a plate (2) or sheet which can be arched inwards and outwards. The bending or extension is effected by the introduction of a pressure medium, and the space (6,7) for this introduction is limited on one side of the sheet or plate (1). The sheet or plate is tensioned at its edge and the space is limited by an all-round frame (4). The sheet or plate engages in grooves (5) of the frame (4). The frame is of rubber or elastomer and the plate is an acrylate glass material. USE/ADVANTAGE - To allow persons with a visual handicap to observe themselves. One or more lenses are used, corresp to the mirror size, whose optical properties are variable.
Patent DE-4237174-A1 (DE)
Title: Degassing barrel for screw extruder or similar - has inner part adjacent to screw in at least inlet zone where it is made of porous sintered metal to allow moisture to escape.
Inventor: JAROSCHEK CHRISTOPH DIPL ING
IPC: B29C48/76
Filed: 1992-11-04
Abstract: A plasticiser barrel for extruders etc. has an integral degassing device to degas hygroscopic materials being processed; it has a cylinder with centre screw moving radially and/or axially; the leading end of the cylinder has an injector nozzle connected to the sprue bore, whilst its other end has an inlet and filling zone. The degassing device is a part of the barrel in the filling zone where it allows moisture to escape and has an arrangement to lead the water vapour away. The part-section of an injection mould extruder shown has the screw (2) and the feed inlet (3) for material through the barrel (1). ADVANTAGE - The degassing arrangement has a simple construction. it is effective with minimal disturbance to operations.
Patent DE-4239610-A1 (DE)
Title: Damping plate assembly for vehicle clutch - has regulatory device providing stable hysteresis dependent on operating direction.
Inventor: TAKEUCHI HIROSHI
IPC: F16D3/12
Filed: 1992-11-25
Abstract: A damping plate assembly has an input rotations element, and a hub (1) attached to an output element, which is radial to a flange (2). An elastic element provides a flexible connection of the input rotation elements and the hub flange, and several friction elements are mounted between the input rotation element and the hub flange. A regulatory device provides for the use of only a chosen number of friction linings, and is dependent on whether the damping assembly operates in one phase of the input rotation relative to the flange in a positive direction, or in a phase constituting a negative direction. ADVANTAGE - Stable hysteresis torque characteristic according to positive or negative torsion phase.