baber/WOPTO huggingface dataset:
Patent DE-4016281-A1 (DE)
Title: Tablet dispenser - with slider for release shaft of restricted displacement
Inventor: HACKMANN LUDGER
IPC: B65D83/04
Filed: 1990-05-21
Abstract: A dispenser for one-off tablets has a cylindrical casing with a storage space (V) for tablets with a slider (3) which can be displaced by a limited distance. The dropshaft (7) for the release of an individual tablet (2) has a compartment (A) with a finger (F) which exposes a tablet and is returned into the closed position by an integral leaf spring (13). ADVANTAGE - This simplifies the assembly and keeps the tablets in a loose state.
Patent DE-4019083-A1 (DE)
Title: Fuel pump setting for injection into combustion engine - is adjusted for methanol content by electrical control of pump speed and injection valve opening duration
Inventor: GRAS JUERGEN DIPL ING
IPC: F02D19/06
Filed: 1990-06-15
Abstract: Fuel is pumped (2) through a filter (4) and a calorific value sensor (13) to a distributor (5) supplying the injection valves (7) of all cylinders. - The quantity is set by a controller (11) as a function of engine operation parameters and fuel compsn., pref. by sampling and regulation of pump voltage and current. The pref. electromagnetic valves (7) are opened for set times. Surplus fuel is returned (10) by an overl flow pressure controller (9) to the tank (1).
Patent DE-4021837-A1 (DE)
Title: Sample delivery arrangement for measurement system - contains specimen magazine with transfer device at one end and feed device with adjustable gripper
Inventor: HAUG FRANZ
IPC: G01N3/02
Filed: 1990-07-09
Abstract: An arrangement for feeding specimens into a measurement system (2) contains a specimen magazine into which specimens are fed at one end and whose other end is a transfer station.  A feed device (7), esp. a hand operated one, picks up a specimen at the transfer station and feeds it to the measurement device. The feed device has a gripper adjustable between two stops (8,9) perpendicularly to the magazine's transport direction.  The stops are arranged so that the gripper is aligned for specimen extraction at the first stop and for central transfer to the measurement device at the second. USE/ADVANTAGE - Esp. for use with material test specimens.  Simple, reliable specimen delivery even to inaccessible points and at sufficient accuracy.
Patent DE-4022257-A1 (DE)
Title: Purificn. of opt. substd. 1,4-dioxan-2,5-di:one(s) - used as monomers for biodegradable aliphatic polyester(s), by recrystallisation in organic solvent contg. alkaline earth metal oxide(s)
Inventor: DAHLMANN JUERGEN PROF
IPC: C08G63/08
Filed: 1990-07-11
Abstract: Purificn of opt. substd. 1,4-dioxan-2,5-dione derivs (I) by recrystallisation in organic solvents comprises treating (I) in concns. of 25-100g/100ml organic solvent with 5-12g weakly basic alkaline earth metal oxides and/or alkaline earth metal carbonates per 100g (I) for 10-60 min at the b.pt. of the solvent, and then isolating (I) conventionally by ' recrystallisation. The oxide is pref. magnesium or calcium oxide and the carbonate is of calcium carbonate. The organic solvent is pref. CHCl3, butyl ethanoate, ethyl ethanoate and/or methylene chloride. USE/ADVANTAGE - (I) can be polymerised to high molecular aliphatic polyesters which are biodegradable and completely resorbable. They can be used as carriers for pharmaceuticals in delayed release systems and in surgical sewing materials. The process gives highly pure (4), essentially free from carboxyl gps which can be polymerised in high yields to high molecular aliphatic polyesters (I) of insufficient purity gives polyesters of lower molecular mass.
Patent DE-4024861-A1 (DE)
Title: Sensing mechanism for plastic window frame profile sections - has feeler which moves along profile to give signal to computer
Inventor: MAURUS LEONHARD
IPC: G05B19/12
Filed: 1990-08-04
Abstract: During the manufacture of window frames from plastic sections at least one feeler is moved along the profile of the section. As it is deflected it creates a number of electrical impulses which are fed to a computer which provides a corresponding signal to the work process. The feeler can be an arm (6) attached to an angular measuring system (4) which is mounted on a slider (25). Alternatively the feeler can be a tensioned band which bears against the profile so that a signal can be derived from its length.
Patent DE-4025746-A1 (DE)
Inventor: KUDRUS HEINER
IPC: G09F3/02
Filed: 1990-08-14
Abstract: Disclosed is a laminated-film material which includes a pattern film divided by regularly spaced gaps into a series of zones spaced at intervals and overlaid with a surface film. The laminated-film material is characterized in that the surface film is divided up in the same way as the pattern film by regularly spaced gaps so that surface-film zones thus formed are contiguous with zones of the pattern film at at least two edges. A continuous intermediate film is located between the pattern film and the cover film. Both pattern film and surface film have at least two zones.
Patent DE-4025869-A1 (DE)
Title: Piston ring for IC engine - has sloping lower ring surface
Inventor: BRILLERT HANS-RAINER DIPL PHYS
IPC: F16J9/12
Filed: 1990-08-16
Abstract: The piston ring may be used in an IC engine.  It has an axial cut forming a rigid joint, and a sloping surface, on the lower ring force. The surface decreases in size away from the joints, and merges into the lower running face edge.  The sloping surface extends over the complete lower ring face (7), and ends at the lower corner (9) of the inner joint edge (6), at an angle (beta) of between 10 deg. and 60 deg. USE - Piston ring for IC engine.
Patent DE-4026964-A1 (DE)
Title: New infectious acid-resistant rhinovirus strain - is e.g. mutant of serotype 14; for treating rhinovirus infection
Inventor: SKERN TIMOTHY DR
IPC: C12N7/00
Filed: 1990-08-25
Abstract: New human rhinovirus is acid-resistant and infectious. DNA corresp. to all the viral RNA or parts of the viral RNA of the new human rhinovirus is also new.  Oligopeptide coded from the DNA above is also new. Human rhinovirus is pref. a mutant of Serotype 14 and is esp.  a mutation localised in the VP1-region (Asn100 is Ile) and/or in the VP2 region (Thr 17 is Ile) or in the VP1 region (Asn 101 is Glu) or VP2 region (Thr 17 is Ile).  Human rhinovirus can be prepd. by incubating the wild type HRV at pH less than 5, esp.  pH 4.5, then adjusting the pH to ca.7 and propagating.  Cycle is repeated several times, pref. 3 times and the mutants produced isolated. USE/ADVANTAGE - Rhinovirus can be used in pharmaceuticals for the treatment of rhinoviral infections.
Patent DE-4029476-A1 (DE)
Title: Multi-track tandem cycle - has front section with front and two rear wheels,rear section with rear wheel only
Inventor: BIEGLER BRUNO
IPC: B62K3/12
Filed: 1990-09-17
Abstract: The two rear wheels of the front section of the tandem are driven by a pedal crank and chain, and their axle (12) has a central retention device (20) with a rotary axis running parallel horizontally to the rear wheel axle, and a virtually vertical rotary axis. The retention device is connected to the frame (16) of the rear section of the tandem (15) which has no front wheel, this connection being by means of a holder. The holder has a tube corresp. to the frame (3, 16) of the vehicle. The rear wheel axle (12) of the front section of the vehicle with its two wheels (10, 11) is additionally reinforced via a basket-type tube structure (9) which supports on both sides on the rear wheel axle (12). USE/ADVANTAGE - As a tandem cycle, partic. suited to usage by physically handicapped persons.
Patent DE-4036330-A1 (DE)
Title: Power controller for motor vehicle - contains position transducer with spring ensuring no-play connection
Inventor: ZIEGER DETLEV DIPL ING
IPC: F02D9/02
Filed: 1990-11-15
Abstract: A power controller contains a control element moved by a control drive. An actuation element influences the control element. The position of one of the elements is determined by a position transducer (101, 102) contg. a sensor part (46, 48) whose displacement is used to detect a sensor signal. A spring (80, 90) is connected to the sensor part or element and the part of element not connected to the spring is connected to a drive element (22, 34). The spring acting on the drive element produces a connection between the element and sensor part without play. The control can occur between the accelerator pedal and position detector (101) or between a throttle flap and the other position detector (102) via clamp-shaped springs (80, 90). USE/ADVANTAGE - Drive engine esp. in motor vehicle. Ensures transfer of measured element position to the sensor part, without play and independent of temp.
Patent DE-4039215-A1 (DE)
Title: Heatable tubing for medical use and mfr. - comprises elastic body with spirally wound heating element bonded to it by curable elastic material
Inventor: ARNOLD RUDOLF DIPL ING
IPC: F16L53/38
Filed: 1990-12-08
Abstract: A heatable tube for medical use comprises an elastic body (1) with a channel (3) through which a gas or fluid flows. The tube (1) is surrounded along at least part of the length by a spirally wound heating element (4). A heat resistant curable elastic material e.g. silicone rubber is used to bond the heating element (4) to the body (1). A connecting sleeve (6) at one end of the tube (1) holds a temp. sensor (7). USE/ADVANTAGE - The heatable tube is for medical use e.g. for feeding air for breathing, is clean, germ free and can be cured in an autoclave.
Patent DE-4039644-A1 (DE)
Title: Central heating overflow valve - has flat annular sealing face on valve plate with peripheral radiused edge
Inventor: WESTPHAL DIETER
IPC: F16K15/02
Filed: 1990-12-12
Abstract: The overflow valve with threaded inlet and outlet unions is for the bypass pipe between the hot-water feed and return pipes in a central-heating system. It has a valve plate with a stem guided axially in the housing, and spring-loaded shut by a compression spring acting between a housing shoulder and the plate, pressing the latter against a seat ring. The annular sealing face on the plate (8) is flat, and has a peripheral edge (9) with a radius of less than 0.5 mm. The ratio of the clear diameter (d) of the seat ring (4) to that (D) of the valve plate (8) is 1:1.6. The ratio of the inner cross-sectional area of the housing to the surface area of the plate is 1.83:1. ADVANTAGE - Simple to produce and install, and ensures constant residual delivery head over a set operating range.
Patent DE-4042072-A1 (DE)
Inventor: PROKOPP ALEXANDER DIPL ING
IPC: F28F5/02
Filed: 1990-12-28
Abstract: A chill roller is formed by an outer tube (2), an inner tube (8) and by corrugated ribs which are arranged in the annular gap between the two and are soldered to the outer tube and inner tube, all the parts consisting of aluminium. The outer tube (2) is provided with a longitudinal slot (3). The unit which is formed by the outer tube (2), the inner tube (8), the corrugated ribs (5,6) and the solder material support (4,7,9) is inserted into a steel tube having a relatively low thermal coefficient of expansion for soldering. The width of the slot (3) is determined taking into account the different thermal coefficients of expansion of the steel tube and of the outer tube (2) in such a manner that the slot closes during heating to the soldering temperature, and is soldered. <IMAGE>
Patent DE-4100701-A1 (DE)
Title: Air applicator for wire and other running material
Inventor: LINDWALL REINE
IPC: D06B15/09
Filed: 1991-01-11
Abstract: The hollow body is formed by two parts (1,2) movable in relation to one another, arranged one inside the other, and provided with at least one slot each. The slots pass from the outside of the parts to their inside, and are so reciprocally orientated m that the wire (7) is laid in them. The inner ends of the slots form the wire (7) holes when the parts (1,2) of the holder are pushed together. The slots in the one part of the body are axially direction, whilst those in the other part are directed  transversally to the axial direction. They are so positioned that in one reciprocal position of the body parts (1,2) they permit the wire to be introduced from the side. In another reciprocal position of the parts they form the apertures for the wire to be introduced and then passed outwards and in a third reciprocal position of the parts they are closed so that air can flow outwards through them.
Patent DE-4102483-A1 (DE)
Inventor: EICHER BERNHARD
IPC: B24B23/02
Filed: 1991-01-29
Abstract: A hand tool, especially an angle grinder, has a tool housing (10) divided into a motor casing (11) and a hand-grip (15) arranged on its front, the hand-grip (15) being rotatable relative to the motor casing (11). A securing device (20) ensures that the rotatable hand-grip (15) is held in various rotating positions on the motor casing (11). In order structurally to simplify the securing device (20), a central mounting (22) is formed on the motor casing (11) on which one of the half-sections (151) of the two-part hand-grip (15) is supported in an annular groove (23). The securing device (20) has a tension strip (27) in the annular groove (23) which is secured at the ends to the half-section (151) and surrounds the mounting (22) over part of its circumference on the side diametrically opposite the supporting point and a tensioner (29) to apply a tensile force to the tension strip (27). The other half-section (152) is screwed to the first (151).
Patent DE-4114561-A1 (DE)
Title: Open-end spinner sliver loosening roller
IPC: D01H4/32
Filed: 1991-05-04
Abstract: The needle roller, to loosen and open up sliver at anopen-end spinner, has a cylindrical body (2) with its interiorconnected to a compressed air supply. Channels lead thecompressed air to radial openings between the needles (4) at thesurface. Pref. a fixed compressed air distribution system iswithin the roller body (2) so that, as the roller rotates, thedistribution channels (7) are successively covered and successiveair channels are charged with the compressed air on rollerrotation. The air passage channels are formed at the base (5) ofthe strips of needles fitted to the roller surface. Thedistribution channels (7) open into the holding grooves (3) forthe needle strips (8) at the base of the grooves. The air passagechannels, in the needle strips (8), extend radially from thedistribution channels (7) to the outer side of the base (4) ofthe needle strips (8). The air passage channels are directly nextto the drillings which hold the needles (4), to open outwards ata gap from the needles (4).
Patent DE-4126481-A1 (DE)
Title: Magazine for money and cheques - has insert with series of parallel slots to receive divider sections to form storage areas
Inventor: RETHMEIER GERHARD DIPL ING
IPC: G07G1/00
Filed: 1991-08-10
Abstract: The magazine unit has a housing that is divided into compartments. Each compartment has a series of parallel slots formed on opposite walls that receive dividing wall inserts (2). Each insert has a leading edge that engages against a groove on the base. The compartment may be double walled with a formed gap (6) that can receive cheques, etc. that are inserted through an input slots. Alternatively the unit may be subdivided only into parallel sections. ADVANTAGE - Allows capacity to be varied to suit requirements.
Patent DE-4136099-A1 (DE)
Title: Two-stroke free-piston steam engine - generates steam energy in sealed cylinder and uses motion of permanent magnets w.r.t. coils to generate electricity
IPC: F01B11/00
Filed: 1991-11-02
Abstract: The steam engine supplies vaporising energy to water under high pressure. The vaporising energy is composed of remaining energy of the steam engine and that of an extra electric heating. The latter is automatically generated by the engine. The heated water is injected through valves (7) located in covers (8) of an empty sealed chamber (10) to generate steam pressure in the chamber. The remaining steam is removed from the cylinder (11) through an auxiliary valves (9) in the covers (8). Electric energy is generated by coils (12) in the cylinder due to resulting motion of permanent magnets (14) on the piston (13). Energy is generated in the middle and at the ends of the cylinder (11) and distributed. ADVANTAGE - Efficient energy conversion system.
Patent DE-4138378-A1 (DE)
Title: Electrohydraulic controller of vehicular continuously variable automatic transmission - exercises electronic control of prim. and sec. pulley-positioning pressures with facility for emergency manual override
Inventor: SCHWARZ JOSEF
IPC: F16H61/662
Filed: 1991-11-22
Abstract: The transmission ratio of the belt drive (16) between sliding pulleys (14,15) from a combustion engine (2) varies with load and speed in response to operations of a hydraulic transmission valve (4) and a pressure valve (5). The transmission valve control pressure (P5) in normal operation is set by the electronic controller (6) of a magnetic valve (61), and in emergency by a manual valve (7) giving a predetermined ratio which is suitable both for guaranteed starting and for driving at reduced speed. ADVANTAGE - No additional hydraulic control valves are required for emergency operation, and electronic complexity is reduced.
Patent DE-4141941-A1 (DE)
Title: Determining axial centre of gravity of elongated body eg pipe or flying body - using ring bearings for supporting body weighing cells and measuring weight with and without displaceable additional wt.
Inventor: WEBER KURT
IPC: G01M1/12
Filed: 1991-12-19
Abstract: The method involves a first wt. measurement of the body (FK), a second wt. measurement with an additional wt. (F) attached to the body at an optional but accurately defined point, a third wt. measurement with the additional wt. shifted by a defined distance and a mathematical computation from the three readings of two weighing cells. The additional wt. is a saddle (10) with two carrier elements (11a,11b), a centering stop (11c) for position fixing on the measurement body and a displacement rod (12) with the wt. (13) on it. The elongated body is mounted fore and aft in roller rings (30,40) on weighing cells (A,B). USE/ADVANTAGE - For rapid, reliable, accurate and problem-free measurement.
Patent DE-4200682-A1 (DE)
Title: Disposable pit-prop for filling with hardening material - has gear-driven screwed bar thrusting inner and outer tubes apart and actuated from outside
Inventor: HAHN PETER
IPC: E21D15/18
Filed: 1992-01-14
Abstract: The prop is particularly for use at the junction between a mine tunnel and gallery, its telescoping tubes being thrust apart and clamped between the roof and floor, after which a core of hardening material holds them in place. Dewatering and/or vent drillings are included. Plates (12, 16) spaced apart are mounted in the inner and outer tubes (2, 3), and are coupled by a screwed bar (15) turning in the plate of the outer tube. A crown wheel (18) with central bush (19) and outer gear ring (23) rotates on the bar and the outer tube plate, and meshes with a pinion (25) driven from the outside. USE/ADVANTAGE - Pit prop can be inserted with great force before filling with the hardening material.
Patent DE-4205840-A1 (DE)
Title: Spindle lock for hammer drill with chisel function - is effected by bringing sliding gear cluster of spindle drive transmission into mesh with teeth of locking segment fixed to housing
Inventor: TRINKS ROMAN
IPC: B23B45/16
Filed: 1992-02-26
Abstract: Sliding on splines of the hammer drill spindle (27) is a twin gear cluster (30) which has three positions on the spindle. In two positions one or other of the gears (30a) and (30b) is in mesh with gears (12) or (13) on the intermediate drive shaft (22). In the third, foremost position the gear cluster is disengaged from the gears of the intermediate drive shaft (22) and is engaged instead with the teeth of a locking segment (14) fixed to the housing. The locking segment is in the form of a plate (15) with a toothed segment (15a). The gear cluster is movable along the spindle by a gear shift mechanism (17, 18). USE/ADVANTAGE - Simple mechanism permitting fine angular adjustment of spindle locking position on hammer drill.
Patent DE-4207652-A1 (DE)
Title: Sepg. liq. from running yarn - by letting yarn fall freely from above onto diagonal wire
Inventor: HOELZ WINFRIED
IPC: D06B15/00
Filed: 1992-03-11
Abstract: Sepg. liq. from a running yarn, before the yarn is wound, involves letting the yarn fall freely vertically from above on to a diagonal wire. The yarn is wound subsequently. The associated installation features a L- or seat-shaped wire. ADVANTAGE - More gentle method for removing spinning bath adhering to a freshly spun yarn.
Patent DE-4210366-A1 (DE)
Title: Prepn. of finely divided crystalline sodium aluminium silicate
Inventor: JUST GUENTHER
IPC: C11D3/12
Filed: 1992-03-30
Abstract: In prepn. of finely divided crystalline Na Al silicates of compsn. (I) 0.9-1.1 Na20:1 Al203:1.8-3.6 Si02 by crystallisation of an aq. suspension of X-ray amorphous Na Al silicate (II) at raised temp., (a) (II) is obtd. by pref. continuous mixing of an aq. Na aluminate soln. with an aq. Na silicate soln. in presence of excess NaOH soln. at raised temp., with the ppte. being led, during the mixing or later, but before crystallisation, through an agitator ball mill suitable for wet grinding, in which the apparent vol. of the balls is more than 50% (75-85%) of the vol. of the mill chamber, with a residence time in the mill of 3-40 (5-15) secs., at 40-80 (50-70) deg.C, and (b) crystallisation is continuous.
Patent DE-4211896-A1 (DE)
Title: End cover plate for IC engine - has internal chamber for oil cooler with passages for connection to oil pump and coolant pump
Inventor: LAUFER THOMAS DIPL ING
IPC: F01M11/03
Filed: 1992-04-09
Abstract: The end cover plate is fastened to the engine block, and internal walls enclose a chamber for at least one ancillary unit. There are connections for other ancillaries on its outside. The chamber can typically be for the oil cooler. There are passages in the cover plate for connection to the oil pump and for the flow of the cooling medium from a heat exchanger via a pump. Another chamber can be used for a thermostat. The crankshaft projects through the cover plate to drive the external ancillaries. The cover plate is attached by vibration dampers to the block. ADVANTAGE - Simple, inexpensive design and easy assembly.
Patent DE-4213726-A1 (DE)
Title: Exhaust gas system and silencer for IC engine - has coaxial end tubes of different length and cross=section
Inventor: BOCKEL HEINRICH ING GRAD
IPC: F01N1/06
Filed: 1992-04-25
Abstract: The engine exhaust gas is discharged from a silencer through two parallel end tubes of different length, into the atmosphere. The discharge surfaces of two end tubes are located in a common plane, at right angles to the longitudinal tube axis. The end tubes (4,5) have different cross sections (Aa, Ai) and are coaxial to each other. The inner tube is longer than the outer. The cross section of the outer tube is twice the size of that of the inner one. The inner tube is angled within the silencer (3). USE/ADVANTAGE - Exhaust gas system and silencer for IC engine enables redn. of exhaust noise.
Patent DE-4214579-A1 (DE)
Inventor: GAISER GERD
IPC: B01J19/24
Filed: 1992-04-30
Abstract: PCT No. PCT/EP93/00995 Sec. 371 Date Oct. 20, 1994 Sec. 102(e) Date Oct. 20, 1994 PCT Filed Apr. 24, 1993 PCT Pub. No. WO93/22544 PCT Pub. Date Nov. 11, 1993A reactor for catalytically processing gaseous fluids. The invention relates to a reactor for catalytically processing gaseous fluids wherein the catalytic reaction is accompanied by a heat exchange, stationary catalysts are used, with the fluid flowing through the reactor in one direction. To this end, the fluid path-forming structures (10) are provided in the reactor housing, the structures (10) form channels (19), and the structures (10) have at least one region (11) provided with a catalyst (12), preferably coated therewith.