baber/WOPTO huggingface dataset:
Patent DE-2434688-A1 (DE)
Title: Regulated direct current converter - with built in over-current protection
Inventor: COLANGELI ELVIO
IPC: H02M3/338
Filed: 1974-07-18
Abstract: The converter comprises a transformer (T1) with primary current controlled by a transistor switch (TR1), and with secondaries feeding the loads via rectifiers. One secondary feeds a circuit (CR) which provides, for the regulating (REG), a square wave control whose trailing edge is position modulated. The regulator then adjusts the timing period of the primary. A second transformer, with primary in series with that of T1, feeds a threshold detector (SO); when the primary current exceeds a safe level the output of the detector overrides the regulator input. To ensure starting an auxiliary supply (Au) is provided for the regulator circuits direct from the battery input.
Patent DE-2437458-A1 (DE)
Title: Static inverter for inductive loads - has drive transistor with its collector coupled via part of load to collector of pulsed control transistor
Inventor: SCHWARZ RICHARD
IPC: H02M7/5381
Filed: 1974-08-03
Abstract: The transistor static inverter, for inductive loads, has the drive transistor (3) earthed at its emitter and connected by its collector to the primary (62) of the transformer (6) acting as load. The transformer secondary (61) forms the main inductive load and is connected in series with the primary and the drive transistor across the d.c. supply (7). The drive transistor is controlled by a pulsed second transistor (1) whose collector-emitter path lies in parallel with the primary and the drive transistor collector-base junction. The second transistor may be replaced by an electro-optical coupler. The advantage lies in reducing the power needed to control the inverter. A third transistor (2) may be installed.
Patent DE-2440202-A1 (DE)
Title: Fan impeller automatic clutch - uses mechanical friction for lower speed range d viscosity friction with speed limiting
Inventor: GRUNDEI MANFRED
IPC: F01P7/04
Filed: 1974-08-22
Abstract: The impeller (3) is bolted onto the composite hub (1) consisting of a split housing (2) and the extended hub (5). The latter is shaped to form a radially extended gap (6) filled with silicon oil. At normal speed the two legs of the extended radial hub, being pre-stressed in outward direction engage against the walls of the housing by means of a step-shaped surface of the extension. At higher speeds, when the shaft input is increasing, at a certain point a slip develops between the extended hub and the housing walls. At this point the oil particles trapped between the stepped surface of the extension and the housing wall limit, due to viscosity friction, the amount of slip to a level which prevents the fan impeller from becoming too noisy.
Patent DE-2444263-A1 (DE)
Title: High-speed sideways ejection of rolled billets from conveyor track - using very short rollers so billet falls down chute
Inventor: KASPERS JOSEF
IPC: B21B39/00
Filed: 1974-09-16
Abstract: Ejection roller track for the sideways removal of rolled prods., esp. billets, out of a conveyor line, using a feeder track and side collection channels, has conveying rollers which are mounted in flying bearings, with the axes of the rollers inclined w.r.t. the horizontal plane of the conveyor line. The length of the roller barrels on which the billet rests can be adjusted so the centroidal axis of the billet is outside the supporting surface provided by the roller barrels, and thus the billet falls down a chute into the side channel.
Patent DE-2450043-A1 (DE)
Title: Ingot mould erosion hole filling - by crushed refractory mixed with thermite to produce slag in exothermic reaction
Inventor: RICHARDS GLANVILLE JOHN
IPC: B22D7/06
Filed: 1974-10-22
Abstract: Holes caused in ingot moulds by poured metal hitting the same spot at the bottom, or in other ferrous moulds can be filled by pouring a composition of solid particles into the hole, which can complete an exothermic reaction and form a slag. Granular refractory material is held together by the slag into a solid structure to fill the hole after it has cooled down. This method results in a working surface of inorganic material which is extremely resistant against erosion or wear.
Patent DE-2453707-A1 (DE)
Title: Connecting linkage for valve operating mechanism - has piston fitted between two halves of coupling with pivoting facility
Inventor: SCHNATMEYER HANS DIPL ING
IPC: F16C11/00
Filed: 1974-11-13
Abstract: The design is for use on fuel tanks, bowsers or fuel wagons with a closing device to prevent loss of fuel in the event of vehicle overturn or other accident. This coupling provides push and pull operation. There are two halves of the coupling, one being connected to the closing part and the other to the operating mechanism. A ram or piston with spring loading fits vertically between the two halves of the coupling and can pivot at either end. A pair of claws in the form of cross rods on the piston locates in corresponding recesses in the coupling halves. A tightening device, hinders relative movement between the two halves of the coupling.
Patent DE-2454005-A1 (DE)
Title: Automatic mechanical actuator for doors - has crank drive with flexible elements for ensuring smooth stopping
Inventor: SORATROI ERWIN
IPC: E05F15/619
Filed: 1974-11-14
Abstract: The automatic door opening and closing mechanism ensures smooth initial movement on closing and on opening without using hydraulic systems. This arrangement is used for automatic opening and closing of single or multi panel doors. The door is driven by a crank of an eccentric plate so that the crankpin is able to slide in a sliding member. The uniform rotating movement of the driving crank is converted into an accelerated or retarded rotating movement. A flexible element is fitted to the last driven shaft so that the force exerted by the door on closing or on meeting an obstacle is elastically compensated. The flexible element (3) is provided with a contactor which switches the driving motor to stop or to rotate in opposite direction when the elastically compensated movement exceeds a limiting value which can be adjusted.
Patent DE-2458137-A1 (DE)
Title: Rapid reliability tester for clock and watch cases - consists of vacuum leak test based on pressure rise in measuring chamber
Inventor: GAUPP HANS-JUERGEN ING GRAD
IPC: G01M3/32
Filed: 1974-12-09
Abstract: A vacuum pump (6) is connected through a magnetic valve with a vacuum chamber (7). There is also a preliminary chamber (8) and a measuring chamber (9). The watch or clock to be tested is contained in the latter, and the vacuum level around it is adjusted by a suitable manipulator of the valves (2, 3, 4, 5). The leak rate (L) is determined in Torr. litres/second by the formula L = V. dp/dt. where V is the evacuated volume of the measuring chamber, dp. the differential pressure increase in a time interval dt. An automatic indicator (13) may be included to record "tight" or "non-tight" sealing of the horological device.
Patent DE-2458499-A1 (DE)
Title: Corona discharge material treatment - passes material between electrodes with dielectric polymer foam outer surface
Inventor: KALWAR KLAUS
IPC: H01T19/00
Filed: 1974-12-11
Abstract: The electrode is provided with a dielectric outer surface for a device for treating electrically conductive or non-conductive materials be means of corona discharges. The material is passed between at least one pair of electrodes, between which the corona discharges are produced. The dielectric outer surface comprises an integral or structural foam. The compressed outer layer of the integral or structural foam is removed and the top surface of the dielectric is very porous. The foam material is formed of a noncarbon elastomer, i.e. of silicon or fluorine, or can be of polyurethane. The electrodes can be of the roller type with a light metal core, on which the dielectric foam outer surface is imposed.
Patent DE-2461429-A1 (DE)
Title: Lift truck fork drive - comprises nut coupled to forks and working on vertical screwed spindle
IPC: B66F9/08
Filed: 1974-12-24
Abstract: The truck forks (2) are coupled to a nut (8) working on a vertical rotary driven spindle (7), typically via chains (9) reeved round guide rollers (11, 12). The chains can be reeved round a roller on the nut to an anchorage on the frame. The thread of the nut and spindle can be of the self-locking type, and the spindle can be hollow, fitting over an internal one also having a screw thread. The design avoids the need for a hydraulic ram. The design also allows the forks to be extended when the frame is positioned at the lowest level.
Patent DE-2501292-A1 (DE)
Title: Determination of point separation for nautical applications - using two different transmitted signals possibly in different media
Inventor: PRICHODJKO ALEXANDER
IPC: G01S11/02
Filed: 1975-01-15
Abstract: A method of determining the distance between two points for nautical and similar applications uses two signals transmitted fromone point to the other, the signals being of different kinds and even possibly in different media. The method may be applied to finding the distance between, say, two ships. The signals may be sonic, transmitted through air and water, or sonic and radio transmitted in the air, and so on. Formulae are given to cover several slightly different possibilities to allow the calculation of the separation distance from measurement of the two signal phase shifts at given frequencies, e.g. for the case when the signals are sinusoidal. Consideration is given to the maximum distances which can be catered for, taking into account of such factors as ships propeller noise and so on.
Patent DE-2504842-A1 (DE)
Title: Electronically controlled table lamp unit - is fitted with automatic dimmer control brought into operation via on-off switch
Inventor: SCHOENING UWE WERNER EDUARD
IPC: H05B39/04
Filed: 1975-02-06
Abstract: The table lamp unit has an automatic dimmer control, which increases the light output of the lamp in stages upon the ON-OFF switch being turned on and reduces the light output of the lamp in stages upon the switch being switched off. The control circuit comprises a phase chopping circuit (1), which is connected via an optical coupling network (2) to a timing circuit (3) and the control circuit is incorporated in the base of the lamp. Pref. the optical coupling network (2) uses a photoresistance and a light-emitting diode.
Patent DE-2507204-A1 (DE)
Title: Vehicle with lower door longitudinal - has sealing strip on door base engaging longitudinal
Inventor: BREITSCHWERDT WERNER DIPL ING
IPC: B60J10/80
Filed: 1975-02-20
Abstract: Each door (2) has a lower seal strip (6) which consists of a plate (7) of flexible material, for example plastic. This is fitted to the flange (9) in the lower part of the door by a groove in a bead (8) in strip. The upper part (10) of the plate (7) presses on a bent section (11) in the door to retain it in position. The plate (7) is bent at a radius slightly less than that of the longitudinal member (5). Closing the door (2) deforms the plate which presses at its lower end on the longitudinal (5). The lower part of the plate (7) may have a covering of metal wire or plastic.
Patent DE-2508003-A1 (DE)
Title: Multi-cylinder air cooled ic piston engine - has air impelled around ribbed cylinders by endless flexible blade belt
Inventor: MORITZ RUDOLF
IPC: F02F1/06
Filed: 1975-02-25
Abstract: Air cooled piston i/c machine of the in-line type with individual cylinders and cylinder heads which in the cylinder longitudinal direction are ribbed and enclosed in an air conducting cowling in such a manner that a forced feed of the cooling air is produced in the longitudinal direction of the cylinder, the air being fed by means of a blower. The blower takes the form of an endless flexible blade belt (6) fitted on its smooth outer surface with vertically projecting blades. The belt (6) is driven by guide rollers (11, 12) and guided at the level of the cylinder feet around the range of cylinders (1, 2, 3, 4) within the air conducting cowling (5), which also forms the blower housing.
Patent DE-2510788-A1 (DE)
Title: Safety valve for gas water heater - has control orifice to ensure all main burner jets ignite when valve opened
Inventor: KEPPEL ERNST
IPC: F16K1/44
Filed: 1975-03-08
Abstract: The main gas valve consists of a valve head (22) with a sealing ring (21) which is pushed on to its seat (7) by the spring (28). A secondary valve (10), with a guide rod (11), has a sealing washer (9) which sits on the seat (5) and a sealing disc (15) which forms a seal in the bore (23) of the valve body. When the valve is operated the rod (13) lifts the secondary valve (10) until the sealing disc (15) reaches the lip of the bore(23). The sealing disc (15) then flicks upwards so that the valve opens suddenly. The gas then flows through the controlling orifice (8) in sufficient quantity to ensure full ignition of the main burner.
Patent DE-2516088-A1 (DE)
Title: Earthing and short-circuiting device - is connected to side and rear phase rails of switchgear
Inventor: CZERNEK GEORG
IPC: H02B1/16
Filed: 1975-04-12
Abstract: The earthing and short-circuiting device, for phase rails in switchgear, is suitable for connecting to phase rails mounted on the side of switchgear as well as those mounted at the rear. A fixed contact (1) is mounted onto the phase rail (4), and the earthing rod has an insulated handle. A pivot (8) is mounted on the fixed contact and the end of the earthing rod fits into a hole in this pivot. The earthing rod itself has a pivot point allowing a section of it to pivot through 90 deg. The earthing rod eventually connects with the C-shaped part (5) of the fixed contact.
Patent DE-2522189-A1 (DE)
Title: Polyurethane prepolymers for paints and coatings - comprising idealised adduct of isophorone diisocyanate and trimethylol propane
Inventor: KAZAMA SEIJI
IPC: C08G18/80
Filed: 1975-05-17
Abstract: Polyurethane prepolymer comspsn. contains by wt. (a) >=65 (pref. >=70) esp. >=75% idealised adduct of trimethylol propane (I) with 3 mol. 3-isocyanotomethyl-3,5,5-trimethylcyclohexylisocyanate (II) and (b) =5% (II), w.r.t. total compsn. Further components may be adduct of 2 mol. (I) with 5 mol. (II) and further polymerised adducts. Prepolymer compsns. are used in prodn. of paints and coatings having improved weatherability, exhibiting no tendency to yellowing on exposure to light, and having high gloss and good adhesive- and impact strength. The propolymers are miscible with polyol components and have excellent solubility in organic solvents.
Patent DE-2525167-A1 (DE)
Title: Electronic time switch for household installations - has bipolar integrated circuit with stabilised DC supply
Inventor: MEINERT HANS-JUERGEN ING GRAD
IPC: H03K17/292
Filed: 1975-06-06
Abstract: The electronic time switch, for household installations such as stair-light time switches, has a bipolar integrated circuit (IS1) with a stabilised dc supply, a high input impedance, an input flip flop for resetting, an output for an RC timing circuit, an input for controlling by phase variation, an amplifier, and a control for a triac. A biasing resistor (RV), the RC timing circuit (R1, C1) and the triac (Tr1) are connected to the integrated circuit. A push button switch (1) is used to switch on the triac via the integrated circuit. A switch (2) shunts out the triac, and the entire circuitry is contained in the same bousing.
Patent DE-2530089-A1 (DE)
Title: Enclosed shaft type circulating piston engine - has crescent shaped head pieces either end of rotary oscillating piston
IPC: F01C1/332
Filed: 1975-07-05
Abstract: Circulating type machine has a rotating jacket and eccentric piston which has a piston and several plate type output parts which are in an oscillating manner connected with the jacket, and are fitted at the opposite end with a rotary oscillating headpiece as in 1929744. The straight laminated headpiece has at either end, a crescent shaped configuration which combined with a guide piece, contacts co-axially the convex shaped part of the delivery end of the machine. These convex curved surfaces of the delivery end parts have a shorter arc length than the concave curved part of the guide surface. This ensures a rigid support for the piston hub part. In an alternative arrangement two plate type parts with crescent shape head pieces may be fitted in a transverse manner.
Patent DE-2537287-A1 (DE)
Title: Miniature electrolytic capacitor mounted in cylindrical metal case - consists of wound layers of metal foil insulated with oxide layer
Inventor: KLICH HARRY
IPC: H01G9/08
Filed: 1975-08-21
Abstract: The electrolyte capacitor has two foils, one of which is adapted to act as a cathode and the other is adapted to act as an anode. The capacitor consists further of paper layers which are impregnated with an electrolyte. The cathode foil which covers the capacitor element is connected by a mechanical contact with the case. This contact consists of a flange which is rolled into the case and which is provided with recesses.
Patent DE-2542369-A1 (DE)
Title: Wall plug for anchorage in masonry - has axial sleeve with two opposed cones which expand as screw is tightened
Inventor: BIZAJ ERNST
IPC: F16B13/06
Filed: 1975-09-23
Abstract: The design is intended for a heavy machine part which is to be fixed to the wall plug or dowel. There is an axial sleeve in which a screw turns and there are two opposed conical wedges (16, 20) which expand to anchor the plug. The screw (19) screws into the first cone (20) and is supported by the second cone. A second screw fits into the end of the sleeve (11) holding the object or machine to the wall. There is a spacer (14) between the rear or lower cone (16) and the sleeve (11). The first screw (19) is inserted through an opening (13) in the spacer (14). The upper cone has less taper than the lower cone.
Patent DE-2543336-A1 (DE)
Title: Trap for catching flying insects - has suction fan intake with trap net and toxic gas filled chamber
Inventor: MAYR MAX
IPC: A01M1/06
Filed: 1975-09-29
Abstract: The device for catching flies, mosquitoes and other flying insects or moths has a ventilator fan situated in the middle of an intake pipe, and producing an inward air flow from which the flying insect cannot fly free. The insects are sucked past the ventilator and are then trapped in a chamber with a fine gauze net through which they cannot escape. Chemicals are placed in a cap below the entry to the system. They produce toxic gases which circulate to the section where the insects are trapped, and an end cap minimises the rate of loss of these toxic gases. The insects are killed instantly and fall onto the horizontal inner surface of the tube.
Patent DE-2550409-A1 (DE)
Title: Vehicle door closing mechanism - uses energy stored in flywheel brought to rotate by small electric motor
Inventor: GELHARD EGON
IPC: E05B81/20
Filed: 1975-11-10
Abstract: The design uses a small electric motor producing a force of about 500 Newton. The motor is connected to the flywheel via a gear. The mechanism is fitted with a mercury switch which operates the motor at the first contact of the door with the lock and the motor pulls the closing mechanism into the closing position.
Patent DE-2552557-A1 (DE)
Title: Patient support table with pivotal edge gate members - has mattress with discharge outlet for bathing water retained when gate members in up positions
Inventor: JOHANSSON HANS ARNE VALENTIN
IPC: A61G7/00
Filed: 1975-11-24
Abstract: A support table for a recumbent patient has a table plate provided at least along the side edges, and preferably also at the head and foot edges, with gate members which are pivotally mounted so that they can be fixed in up positions. In the up positions the gate members not only keep a patient from rolling off the table but they cooperate with a mattress on the table to form a trough in which water may be retained for bathing the patient. The mattress has an outlet for discharging the water after bathing. In the down positions of the gate members the mattress edges are also folded downwardly.
Patent DE-2600561-A1 (DE)
Title: Water suction energy prodn. system - has air chamber for reversal of electric vacuum pump principle
Inventor: LAMMERS ALBERT
IPC: F04F5/04
Filed: 1976-01-09
Abstract: The installation transforms suction forces from flowing water into energy. The method envisages the production of energy by using the suction force exerted by a stream, river or a sea inlet whilst the water flows through a pipe on to columns of air kept in side connections. This reverses the method employed during the operation of an electric vacuum pump. Large volumes of water are led across the air chamber in such a way that the volumes of water exert a suction force. This results in air being sucked from the air chamber and the supply lead (C) through the membrane (F) without being able to enter the air chamber or the supply lead.
Patent DE-2603589-A1 (DE)
Title: Alkyl-disulphonic acid di-sulphophenyl esters prepn. - by sulphonating diphenyl alkyl-disulphonates with chloro-sulphonic acid
Inventor: HINZ JUERGEN DIPL CHEM DR
IPC: C07C309/65
Filed: 1976-01-30
Abstract: Prepn. of alkyldisulphonic acid di-(sulphophenyl) esters of formula (I) is described. (where R is opt. branched 9-24 pref. 10-18C alkyl; M is H, alkali(ne earth) or circled positive NHR'3; each R' is independently H, opt. branched 1-12C alkyl or hydroxy alkyl, 3-12C cycloalkyl or hydroxycycloalkyl, Ph or alkyl phenyl with 1-6C atoms in the alkyl gp.). The process comprises sulphonating the corresp. diphenyl alkyldisulphonate (II) at 10-60 degrees C with chlorosulphonic acid (III) and opt. converting the resulting disulphonic acid to the salt. Reaction is opt. in the presence of a solvent or dispersing agent, but is pref. carried out with out a solvent. Pref. 1.9-2.3 mol. (III) are used per mol. (II). Conversion to (I) is high, with very little Na2SO4 formed as by-product. (I) obtd. is soluble and aq. solns. of do not cloud due to pptn. of monosulphates.
Patent DE-2604747-A1 (DE)
Inventor: MELCHER FRANZ JOSEF
IPC: G01G23/37
Filed: 1976-02-06
Abstract: An indicator element in the form of a narrow strip (10) symbolises the weighing range. An optical signal travels within this and indicates to the user of the balance the measuring range in which the weighing system is currently located. <IMAGE>
Patent DE-2609193-A1 (DE)
Title: Heat-insulated storage tank - has impermeable inner lining enclosed in rigid heat-insulating dish sections joined together
Inventor: ALTENPOHL DIETER GUSTAV DR RER
IPC: B65D90/06
Filed: 1976-03-05
Abstract: The tank contains hot water, having a layer of insulating material on the outside. It consists of an inner lining (2) impermeable to liquid, and two or more rigid dish sections (3), shaped to fit round the lining and of porous heat-insulating material. These bear against the lining and are detachably secured to each other. The lining can be in the form of a relatively thin impermeable skin, typically of plastic. It can be constructed of strips of material such as plastic or plastic/aluminium laminate. The dish sections can be of aeroconcrete or hard foam plastic.
Patent DE-2612780-A1 (DE)
Title: Codeine orotate and mixts. of codeine with orotic acid - with increased analgesic and antitussive activity
Inventor: WAWRETSCHEK WOLFGANG DR
IPC: C07D489/04
Filed: 1976-03-25
Abstract: Codeine orotate and mixts. of codeine and/or its salts or derivs with orotic acid and/or its salts or derivs. are new. Also new are cpds. and mixts. of hydrocarbon leror phenol, noscapine, dextrometorphan and morphine and/or their salts and derivs. with orotic acid and/or its salts and derivs. The presence of orotic acid increased the effectiveness of codeine as an analgesic and antitussive agent. Smaller doses of codeine can therefore be used with a corresp. redn. of the usual side effects due to codeine (constipation nausea and respiratory depression).