baber/WOPTO huggingface dataset:
Patent DE-4008443-A1 (DE)
IPC: F16D7/02
Filed: 1990-03-16
Abstract: In a high-speed door drive for double-leaf doors with a self-locking worm gear and a reduction gear, both a slip clutch and a shift clutch in the form of a conical clutch arranged between the wormwheel 6 and the output shaft 7 are provided in the worm gear. The conical clutch is maintained in the engaged state by a thrust piece 17 loaded via a cupspring 18. The clutch is released by a shift member 23 which acts on the thrust piece 17 counter to the compressive force of the spring 18. <IMAGE>
Patent DE-4014042-A1 (DE)
Inventor: KORB KLAUS
IPC: E05B63/04
Filed: 1990-05-02
Abstract: The drive rod lock as a bolt (35) and catch (33) protruding through a cover plate (1), and a slider(s) (53) coupled to rods and moved by a key. The slider is of angular shape, its arm (101) above the catch extending towards the cover plate. The arm is pref. inserted in a space in the catch, open towards the latter narrow side. In the retracted position of the catch, the arm can move via the space over the portion (102) of the slider, parallel to the cover plate.
Patent DE-4014141-A1 (DE)
Title: Digital multiplier circuit for 5211-coded decimal numbers - uses cumulative result register with unidirectional shift and three=phase internal timing signals
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1990-05-02
Abstract: The circuit includes a decade multiplier (1) and an 8-decade shift and add circuit comprising decade adders (2) and (3), carry propagation adders (4) and shift register (5b). For each multiplier digit the cumulative total completes one rotation around the shift register (5b) and one digit is shifted into an adjacent result register. ADVANTAGE - Improvement on that which uses 4-phase timing circuit. Only one full rotation is required for each multiplier digit. 3-phase timing pulse generator uses only 5 simple flip-flops.
Patent DE-4020255-A1 (DE)
Inventor: HEILIG GERHARD DR
IPC: C08G18/22
Filed: 1990-06-26
Abstract: Rigid foams containing urethane and isocyanurate groups are made by reacting a polyisocyanate with a compound containing at least two isocyanate reactive hydrogen atoms in the presence of an aqueous solution of alkali metal carboxylate in accordance with known techniques. The aqueous alkali metal carboxylate solution has an alkali metal carboxylate content of from about 10 to about 50% by weight. The alkali metal carboxylates are preferably alkali metal acetates such as potassium acetate. This process is carried out at an index above 150. The product foams are particularly useful as insulating materials.
Patent DE-4027146-A1 (DE)
Title: Battery esp. of nickel-cadmium type, charging circuit - has microprocessor control with initial test routine, main charging cycle and subsequent top up charging
Inventor: GRAUEL BERND
IPC: H02J7/00
Filed: 1990-08-28
Abstract: The battery charging circuit has the battery temp, the pole connections and the actual battery charge measured via a test routine, with calculation of the number of battery cells using a timed test charge. The main charging initiated after the test routine is effected in cycles until the required charge capacitance is reached, with subsequent top-up charging at spaced intervals for maintaining the required charge. The regulation circuit between the charging current source and the battery uses a microprocessor control.
Patent DE-4034120-A1 (DE)
Title: Seat used in vehicle seat - incorporates head support connected to horizontal pivot shaft in back rest
Inventor: MEILLER HERMANN
IPC: B60N2/48
Filed: 1990-10-26
Abstract: The seat, esp. vehicle seat, has a backrest (14), and a relatively adjustable head support (18), fastened to it by a connection element (20). This extends into the backrest with a fastening element (22). Located in the interior of the backrest is a pivot shaft (26), positioned in transverse direction of the backrest. The fastening element is connected to the pivot shaft. The connection element is telescopically extendable. USE/ADVANTAGE - Vehicle seat with simple adjustment of head support.
Patent DE-4034463-A1 (DE)
Title: Test stand for measuring dynamic properties of breaking pads - has vehicle disc brake pad carrier on frame with hammer mechanism, accelerometer and frequency analyser
Inventor: DREILICH LUDWIG DR
IPC: G01N29/12
Filed: 1990-10-30
Abstract: The test stand contains at least two carrier elements (11,12) mounted at a distance from each other, pref. on a frame or base plate (1), with support surfaces or edges in a plane. A hammer mechanism (28,29) mounted on the frame strikes the pad (24) when activated. The resulting frequency spectrum is analysed by an electronic frequency analyser connected to an acceleration sensor which is brought into contact with the pad. USE/ADVANTAGE - Esp. for measuring vibration characteristics of braking pads, esp, for vehicle disc brakes. Enables large number of pads to be tested in short time and can be operated by unskilled person or robot.
Patent DE-4036538-A1 (DE)
Title: Aggregate bearing for vehicles with two spring parts - acts independently of amplitude or frequency
Inventor: HELTMANN HANS
IPC: F16F1/44
Filed: 1990-11-16
Abstract: The assembly bearing is for vehicles. It has two spring elements of which one (11) is permanently biased by the forces exerted by the assembly whilst the other (13) can be switched on by a control unit in dependence on the operating state by means of an operating element (7) which when a pressurised medium (5) is supplied produces a force-locking connection between the constantly biased spring (11) element and the fastening part (15) which is used to connect with the assembly. The operating element (7) can have a pressure chamber (18) which builds up when a pressurised medium is supplied. USE/ADVANTAGE - Bearing used in vehicle gives improved overall comfort during speed changes with lower inside noise levels.
Patent DE-4041797-A1 (DE)
Title: Reversible flow filter for continuous filtering - consisting of hydraulic cylinder rotating nozzle of filter using ball screw and initiating reverse flow procedure
IPC: B01D29/11
Filed: 1990-12-24
Abstract: Drive for reversible flow filter for continuous filtering of liquids consists of a hydraulic cylinder which rotates the nozzle of the filter by means of a ball screw and thereby initiates the reverse flow procedure. Control is by a pressure difference measuring unit, 2 limit switches and 2 solenoid valves. Drive energy for the cylinder is taken from the system. ADVANTAGE - Does not require external electrical power source.
Patent DE-4104197-A1 (DE)
Title: Side channel pump for aggressive chemicals - with system of arranging oscillaltion channels relative to side channel
Inventor: KAYSER-HEROLD UWE DIPL ING
IPC: F04F7/00
Filed: 1991-02-12
Abstract: Flow pump having an oscillating body comprising several parallel oscillation channels (1) and one or more side channels (8). The oscillation channels are arranged parallel to the local oscillation direction and the side channels vertically to the same direction, with the oscillation channels opening into the side channels at a given angle (Beta) in the flow direction. USE/ADVANTAGE - Self-priming side channel pump for extremely low delivery flows, suitable for handling aggressive chemicals.
Patent DE-4107976-A1 (DE)
Title: Double-row ball bearing - has cage protrusions engaging in grooves in opposite halves of split race
Inventor: NIEDERMEIER RUDOLF
IPC: F16C19/18
Filed: 1991-03-13
Abstract: The double-row ball-bearing has one whole and one split race and a separate cage for each row with a protrusion engaging in a groove in the split race. The protrusions (6, 6`) have annular portions sloping away from the cages (3, 4) and each engaging in the groove (7, 7`) of the opposite half of the split race. There can be a further protrusion (10) on one cage at least, engaging in the groove in its own half. The section of the annular protions can intersect, their width being less than that of the gaps between those opposite. ADVANTAGE - Easy installation and dismantling, and needs no other shoulders on the whole race.
Patent DE-4108668-A1 (DE)
Title: Key for cylinder lock - has keys steps cut into internal slot running lengths of key shaft
Inventor: RUECKERT EDVART
IPC: E05B19/00
Filed: 1991-03-16
Abstract: The key (2) for a cylindrical lock has a slot (11) running along the key shaft (1). This slot has a number of steps (6) cut into it, as well as being recessed (10) partly into the plane of the shaft. The steps on the shaft relating the tumbler mechanism on cylindrical lock. ADVANTAGE - Key shape has advantages for manufacturing and allows for key to lock match.
Patent DE-4108796-A1 (DE)
Title: Data transmission system - has further single wire line for control purposes with appts. connected to it, individual control signals differing in their time duration
Inventor: NISSLBECK WOLFGANG DIPL ING
IPC: H04L12/40
Filed: 1991-03-18
Abstract: A control signal releasing an interrupt is of longer time duration than the other control signals. Control signals which release a non-collision interrupt are of shorter time duration than those which release a collision interrupt. After an address or data transmission on the data line (1) to a receiving appts. (IC1,IC2,IC3), the receiving appts. sends back a confirmation signal on the control line (2). This confirmation signal has the shortest time duration of all the control signals. The appts. (IC1,IC2,IC3) are responsive via addresses, each address comprising an appts. address and a sub-address corresp. to the individual functions of the appts. Individual appts. can be brought together in a group or groups, and a group is responsive via a single common address. ADVANTAGE - Rapid data transmission.
Patent DE-4117154-A1 (DE)
Title: Drive system for motor vehicle - has small-volume engine, with mechanical supercharger, acting as aspirating engine for fuel economy
Inventor: REGAR KARL-NIKOLAUS DR
IPC: F02B39/16
Filed: 1991-05-25
Abstract: The drive unit for esp. a car, comprises an IC engine and an infinitely variable change-speed gear. An engine with a volume, which is relatively small in relation to the vehicle mass, has a mechanically driven supercharger. When stationary, the engine can be used as an aspirating engine, for economical fuel consumption. When the car is moveing, a supercharger or compressor, is connected, controlled by a desired load signal. This signal is also used, to increase the contact pressure on bevel discs of an infinitely variable transmission. This is regulated for long transmission, when operated as aspirating engine. USE/ADVANTAGE - Power and transmission system for vehicle. When vehicle is stationary, many operating points can be moved into economical operating sector.
Patent DE-4119612-A1 (DE)
Title: Sensor device for land mine
Inventor: DITTMANN FRANK-LUTZ
IPC: F42C13/06
Filed: 1991-06-14
Abstract: The sensor device uses an alarm sensor (112) responding to a ground or air target (117) entering a protected zone (111). The target (117) is detected via a radar system, providing the target range and direction.     Pref. the radar system has a number of HF antenna elements (122) with a target echo Doppler evaulation circuit. The antenna elements (122) are also used for communication between a number of spaced mines (113). The target direction is pref. evaluated using noise signals provided via relatively spaced microphones, attached to a telescopic extension arm.
Patent DE-4119956-A1 (DE)
Title: Identification and differentiation of Gram-negative bacteria - by cleavage of L-proline-4-nitro-anilide with preformed bacterial L-proline amino-peptidase in identification concentrations
Inventor: FANGHAENEL SILVIA
IPC: C12Q1/37
Filed: 1991-06-18
Abstract: A method for the identification (I) of and differentiation (D) between gram-negative bacteria comprises; (a) deduction of the correct hydrolysis conditions for L-proline-4-nitroanilide from the substrate-, time-, pH- and temp. optima of preformed L-proline-amino-peptidase (L-pap), (b) use of an I- and D-concn. (IK and DK, DK=0.1 IK) in a soln. or on a carrier such as a filter, (c) reaction of approximately 10 power 9 CFU/ml at 37 deg.C. in Tris-HCl pH 7.5, (d) differentiation with the IK at 30 min. between Serratia (S.) marcescens, S. liquefaciens and Hafnia (H.) alvei and the remaining enterobacteria, (e) differentiation in 30 min. with the DK between H. alvei and all other enterobacteria, (f) identification with the DK after 15 min. at 60 deg.C. of L-pap of H. alvei, (g) identification with the IK of Pseudomonas (P.) aeruginosa of L-pap after 15 min., (h) differentiation after 30 min. with the IK between L-pap-positive Neisseria (N.) gonorrhoeae and negative B. catarrhalis, (i) identification in 5 min. with 10 power 9 CFU/ml L-pap of N. gonorrhoeae, (j) identification of L-pap of N. meningitis strains in 30 min., (d) differentiation after observation of L-proline-4-nitroanilide hydrolysis for 4 or 24 hrs. between the biochemotypes of E. coli, Klebsiella spp. and Enterobacter spp. USE - The possibilities of I. and D. of gram-negative bacteria are improved compared to prior art methods, diagnostics are speeded up and new biochemo- methods for the determn. of the biotype are provided.
Patent DE-4124312-A1 (DE)
Title: Spinning frame has sliver feed from card cans - to each unit on the frame with a brake and drive release on each
Inventor: STAHLECKER FRITZ
IPC: D01H13/04
Filed: 1991-07-23
Abstract: On a spinning frame having a series of spinning units, with location for a card can to serve the unit, there are feed lines for the sliver from the can to the drafting zone. The drive roller for the sliver feed mechanism can be released from the driveshaft when drafting is stopped at that unit. USE - Separates the controls of sliver supply from the card can, and those related to the spinning process, at each unit
Patent DE-4125818-A1 (DE)
Title: Pressure regulating valve for gas or liquid flow - has proportional solenoid input having armature that moves to restrict vent output tube from bellows to apply back pressure to control output from working line
Inventor: GOETTLING HELMUT DIPL ING
IPC: G05D16/20
Filed: 1991-07-31
Abstract: The pressure regulating valve generates an output that is proportional to the input current to a proportional electromagnetic stage. The output stage consists of a back pressure device in which a plate (6) is moved to increase or decrease the restriction at the inlet to a vent tube (7). The plate forms one arm of a hinged (15) unit which is the armature of the electromagnetic actuator (8). The vent tube area is enclosed by a bellows (9) and supply flow is provided by a nozzle (3) with a branched output (4). As the vent the restriction is increased the bellows back pressure increases to cause to output pressure to change. ADVANTAGE - Low hysterisis, fast response.
Patent DE-4128168-A1 (DE)
Title: Seal for building loading dock - has frame with apron movable towards building against spring action and lockable
Inventor: ALTEN KURT
IPC: B65G69/00
Filed: 1991-08-24
Abstract: The conforming seal is for the gap between a building doorway and a vehicle backed against it.The frame (8) with apron (10,11) is movable in opposition to the spring (15) into a rest position close to the building(1), in which it is lockable. Stops (20) for the vehicle can be fixed to the building, their depth (Y) being greater than that (X) of the seal when in the rest position. ADVANTAGE - Improved weather protection, and vehicle can be parked without touching the seal.
Patent DE-4128436-A1 (DE)
Title: Spinning frame - has horizontal plate, vertical shaft and spirit levels for correct vertical positioning of the spindle
Inventor: KREHL GERHARD
IPC: D01H7/04
Filed: 1991-08-27
Abstract: The shaft (2) is used as an adapter in place of the upper part of the spindle. Two water levels set in the horizontal plate are used as indicator. The appts. has indicators to verify the vertical setting of the spindle bearing. The appts. has a horizontal plate (1) with a spirit level with a verifying shaft (2) set accurately at right angles attached to it. USE/ADVANTAGE - The correct vertical position of the spindle bearing is accomplished without reference to the ring rail. The appts. is simple to use and economic to produce. The spindle is set true for correct spinning.
Patent DE-4130519-A1 (DE)
Title: Miniature fan with electronically commutated drive motor - has spring elements preventing transmission of noise between stator and surrounding support frame.
Inventor: BERNAUER CHRISTOF DIPL ING
IPC: H02K29/06
Filed: 1991-09-13
Abstract: The fan has a drive motor for rotating fan blades (16) mounted on the rotor. A stator plate (18) is coupled to a support frame (208), via resilient spring elements (30), preventing the transmission of noise. The frame contains at least two strip-shaped reinforcing plates, electrically insulated from one another. The stator frame contains a number of ferromagnetic conductors, electrically insulated from one another, and at different electrical potentials. The conductors are electrically connected to respective reinforcing plates via the spring elements. USE/ADVANTAGE - For monitoring parameter values of air in vehicle passenger space. Low running noise.
Patent DE-4134112-A1 (DE)
Title: Digital electronic circuit for addition and subtraction of 5211 code - has control circuit coupled to adder and subtractor circuits for continuous operation
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1991-10-15
Abstract: The circuit has input shift registers (1,2) that are connected to the inputs of separate adder (4) and subtractor (5) circuits. The outputs of the adder and subtractor circuits are gated through to a register generating a result in 5211 code and this has an associated decimal point position register. The operation of the circuits for continuous addition and/or subtraction is provided by a control circuit generating pulses. The circuit has a number of flip-flops operating with a pulse counter. ADVANTAGE - Can perform addition or subtraction on negative numbers.
Patent DE-4136089-A1 (DE)
Title: Crystal orientation determination in wafer having zinc blende structure - performing reflectometry of four angles between edges of etched groove and longer sides of mask opening
IPC: G01R31/28
Filed: 1991-10-30
Abstract: An etching mask (2) is formed on the wafer (1) with a stripe-shaped opening (3) having a pointed projection (6,7) from each of the longer sides in a direction along a predetermined marking. After anisotropic etching, the angles (alpha 1, alpha 2, beta 1, beta 2) between the edges (15,16) of the etched groove (8) and the longer sides of the opening are found by measurement of the under-etched mask regions (11-14). The crystal orientation is computed from the measured angles. USE/ADVANTAGE - For silicon or Gallium Arsenide wafers. Allows determination of orientation in space as well as w.r.t. predetermined flat on wafer surface.
Patent DE-4139316-A1 (DE)
Inventor: KRAMPE JOSEF
IPC: E01H1/12
Filed: 1991-11-29
Abstract: A collector (1) for animal excrement is proposed, in which a gripper-shaped or shovel-shaped holding device (5) for a collecting bag (15) can be extended from an outer tube (2). By extending an intermediate pipe (3), the splayed elements (6) of the holding device (5) are brought together and the animal excrement is grasped. The tubes can in this connection have a round or angular cross-section. A catch device (8, 9, 10) can be provided, which can be actuated from outside and fixes the intermediate tube (3) in an intermediate position, in which the intermediate tube (3) projects partially from the outer pipe (2) and in which the holding device (5) is at least partially pushed together in relation to its splayed position by the intermediate tube (3). As a result, it is possible to move the device away from the ground before the intermediate tube (3) is finally pushed over the holding device, so that damage of the intermediate tube (3) on impact on the ground as well as a painful wrist for the operator are avoided. <IMAGE>
Patent DE-4200209-A1 (DE)
Title: Circular saw blade with stabiliser ring - has stabiliser ring fitted concentrically outside spacing ring either by bolting or spot welding
Inventor: JANSEN-HERFELD ROETTGER DIPL I
IPC: B23D61/02
Filed: 1992-01-07
Abstract: The stabiliser ring (2) is concentric with the spacer ring (3) and is either bolted or spot welded to both sides of the blade. The centre of gravity of the stabiliser lies in the middle of its thickness. The saw blade (1) is thinner at the surface between the OD of the spacing ring and the ID of the stabiliser than outside the stabiliser and the blade in this area may have radial slits. USE/ADVANTAGE - The stabiliser on the circular saw blade grips it near the centre and does not come into contact with the wood being cut.
Patent DE-4202428-A1 (DE)
Title: Supermarket trolley - has element for attachment of baby's push-chair or perambulator
Inventor: EBERLEIN HERBERT
IPC: B62B3/14
Filed: 1992-01-29
Abstract: A supermarket trolley (1) has a frame with two side members so arranged that one trolley can fit partly inside another in order to reduce storage space. Each side member has a lower horizontal member (2) to which a U-shaped bracket (18) is attached. These brakcets can receive the front wheels of a baby's pus-chair or perambulator and enable the trolley to be pushed along by the push-chair or perambulator. In cases where the baby is too young to sit on the trolley seat the baby can sit or lie comfortably in the push-chair or perambulator. USE/ADVANTAGE - Supermarket trolley which can be attached to a baby's push-chair or perambulator for convenience of mothers with young babies.
Patent DE-4205790-A1 (DE)
Title: Bio-feedback measurement system for corrective treatment of spine - has strain gauge or piezoelectric pressure sensors mounted in waistband for assessing posture and movement with user indication and remote signal facility
Inventor: WEISS HANS RUDOLF DR MED
IPC: A61B5/00
Filed: 1992-02-26
Abstract: The measurement system employs an electronic bio-feedback sensor for determining the posture and movements of the body. The sensor assembly (422) is positioned between the pelvis and rib cage by a waistband (420) and provides strain gauge or piezoelectric signals from elements enclosed within a flexible plastic wrap. Battery powered electronic (424) evaluation of the signals assists the user to adopt a correct position consistent with treatment as a result of an audible warning or other appropriate signal. USE/ADVANTAGE - Treatment of scoliosis. Assisting patient to persevere with self-treatment over long periods. Sensor array can be readily tailored to suit improvements in defective region or to allow for natural growth in children. Remote recording facility enables expert analysis by clinic or similar.
Patent DE-4213208-A1 (DE)
Title: Guiding and spreading out moving web of material - involves guiding zone offset from geometric centre of max. working width of guide roller to accommodate different web widths
Inventor: LOBMAIER FRANZ
IPC: D06C3/06
Filed: 1992-04-22
Abstract: The stagger (T) between the geometric centre (M) and the dividing zone (Z) towards the edge sensor (K) is up to about 20 percent and pref. about 11 percent of the max. working width (Amax). The min. working width (Amin) is about 50 percent of the max. working width. In the basic position the edge sensor (K) is spaced from the adjoining end of the guide roller (1) by about 20 percent of the max. working width and about 15 percent of the overall length (L) of the roller. The edge sensor can be displaced a certain amt. from its basic position towards the dividing zone. USE/ADVANTAGE - Narrow webs of material can be safely guided and spread out while off-centre arrangement does not affect wider webs.