baber/WOPTO huggingface dataset:
Patent ES-372276-A1 (ES)
Title: Small signal analog to digital converter with positive cancellation of error voltages
IPC: H03M1/00
Filed: 1969-09-25
Abstract: In a system for converting an analogue voltage to a corresponding pulse duration which is subsequently used to gate a counter to produce a digital signal, the analogue signal from 110, Fig. 1, is supplied via a switch 112 operated under the control of circuit 139 to charge a capacitor 115. After a predetermined period the switch 112 is opened and switch 113 closed whereby the charge on capacitor 115 is transferred to an integrating feedback capacitor 119 of an operational amplifier 117. The output of amplifier 117 is supplied to a comparator 121, which may be a high gain limiter amplifier, which produces an output whenever the input exceeds a threshold voltage, normally offset somewhat from zero. The voltage at the input of amplifier 117 also is slightly offset from zero The output of comparator 121 is positive and enables a gate 128 to supply a positive reference current 130 to the capacitor 119 until the output of amplifier 117 falls below the threshold voltage and the output of the comparator changes state and becomes negative. The negative signal is inverted at 123 to enable a gate 127 and apply a negative reference current 129 to the capacitor 119. Between the charging and discharging of capacitor 119 this feedback system maintains the output potential of amplifier 117 at the threshold voltage of the comparator 121 to compensate for the offset voltages. During the period when the charge on capacitor 115 is transferred to capacitor 119 the gates 127, 128 are inhibited by the control circuit 139. The discharge time of capacitor 119 represents the analogue input and a bi-stable 132 is set at the beginning of the discharge period by circuit 139 and is reset when the output of comparator 121 changes state at the end of a discharge period. The set output enables a gate 135 to supply pulses from a source 133 to a counter 137 and the reset output disables the gate 135 so that a pulse count representing the analogue signal is obtained. A detailed circuit is described, Fig. 3 (not shown), in which the converting and coding sequence is initiated by a starting button and timed by a monostable device, the switches controlled by circuit 139 being field effect transistors.
Patent ES-378661-A1 (ES)
Title: Float container for an automatic constant downstream level gate
IPC: E02B7/20
Filed: 1970-04-16
Abstract: The gate float container which is in communication with the tailrace through an opening in the bottom of such container, is provided with a slidable plate formed to enable the size of the opening to be varied to control the operation of the gate, and to enable the gate to be balanced without immersing the container in the tailrace.
Patent ES-385523-A1 (ES)
Title: New pharmacologically active esters of n-(3-trifluoromethylphenyl)-anthranilic acid
IPC: C07C/
Filed: 1970-11-13
Abstract: Compounds of the general formula:
Patent ES-394738-A1 (ES)
Title: Unlimited roll keyboard circuit
IPC: H03M11/20
Filed: 1971-09-02
Abstract: The present invention relates to a full-roll keyboard circuit which provides unlimited roll of the keys within the full-roll keyboard circuit. The keys are connected individually to corresponding cells of a first shift register. Data is entered parallelly during a first strobe pulse from the depressed keys into the first shift register. Thereafter during a first 16 bit cycle, bits are shifted serially out of the first shift register into a compare circuit and also into a second shift register. A 4 bit polynomial counter counts the codes of the 16 keys during the 16 bit cycle. The bits in the first shift register are shifted into the compare circuit throughout the first 16 bit cycle to cause loading of the corresponding binary information from the polynomial counter into a key code collector.
Patent ES-394786-A1 (ES)
Title: Method for spray drying coffee whitener
IPC: F26B3/00
Filed: 1971-09-03
Abstract: Method and apparatus are provided for manufacture of dry particulate food products. In the method, particles of a fluid edible dispersion are provided in the drying chamber of the spray dryer. Circulating air is introduced into the chamber. The circulating air is of a quantity, temperature and humidity sufficient to dry the particles. A fraction of the dried particles is entrained in the circulating air and is subsequently separated to provide a first fraction of particles having a relatively high bulk density. A second fraction of particles is removed from the chamber by gravity and is simultaneously conveyed and cooled to provide a product having relatively low bulk density and rapid sinkability and solubility.
Patent ES-406063-A1 (ES)
Title: Blind rivet setting attachment for power tools
IPC: B21J15/00
Filed: 1972-08-23
Abstract: A reciprocable blind rivet setting head is automatically coupled to and uncoupled from a continuously circulating drive lug by means of a swingable coupling bar to provide for a slow rivet pulling stroke of the head in one direction and for a fast return stroke under spring pressure in the opposite direction. Without stopping circulation of the drive lug, reciprocation of the setting head may be stopped by swinging the coupling bar out of reach of the drive lug.
Patent ES-406406-A1 (ES)
Title: Novel odorant and/or flavorant
IPC: A23L27/20
Filed: 1972-09-05
Abstract: The preparation and use of the novel N-phenyl-N-methyl-2-ethyl-butyric acid amide is disclosed.
Patent ES-414974-A1 (ES)
Title: Method for manufacturing and brazing various apparatuses and particularly heat exchangers
IPC: C22F1/05
Filed: 1973-05-21
Abstract: The apparatus is made of aluminium containing parts with a silicon and magnesium content able to form a Mg2Si compound. The assembled apparatus coated with a brazing alloy is heated up to 580 DEG C to 600 DEG C and then quickly cooled.
Patent ES-423427-A1 (ES)
Title: Method of pumping liquid with a submerged rotary pump and pump for carrying out the method
IPC: F04D9/00
Filed: 1974-02-20
Abstract: By pumping a liquid with a submerged rotary pump the distance from the submerged pump to the top of the riser pipe can be substantial and the liquid column left in the riser pipe from the pump constitutes a not insignificant residue. When the liquid level in the tank has sunk to the pump, the liquid in the riser pipe is caused to pass down into the pump and into and up through a relatively narrow pipe which leads from the pump housing at the pressure side of the pump impeller, the rotary impeller acting as check valve for the liquid.
Patent ES-428013-A1 (ES)
Title: Liquid abrasive compositions containing a silicate suspending agent
IPC: C11D17/00
Filed: 1974-07-05
Abstract: There is disclosed a liquid abrasive composition comprising an aqueous suspension of a substantially water-insoluble particulate abrasive, a nonionic surfactant and a suspending agent selected from natural and synthetic clays, hydrophobically treated clays, fumed silica, magnesium montmorillonite, and complex magnesium aluminum silicates.
Patent ES-440498-A1 (ES)
Title: System for automatically and continuously measuring zinc and sulfuric acid concentration in circulating electrolyte
IPC: C25C7/06
Filed: 1975-08-01
Abstract: A system for automatically and continuously measuring the zinc and sulfuric acid concentration in an electrolyte circulating through electrolysis cells of a hydrometallurgical zinc production system, in which an inductive solution analyzer capable of continuously detecting the conductivity of the circulating electrolyte is used with a measuring cell disposed in the path of a continuous stream of the circulating electrolyte. The measuring cell comprises a defoaming chamber, a measuring chamber and an overflow chamber, and the continuous stream of the electrolyte flows through the measuring chamber as a downward stream so that bubbles can be removed and precipitation of slurry can be prevented. The signal representative of the detected conductivity is applied to an electronic computer which computes automatically the zinc and sulfuric acid concentration according to predetermined calculation formulas.
Patent ES-451749-A1 (ES)
Title: Current limiting circuit breaker
IPC: H01H77/10
Filed: 1976-09-22
Abstract: A circuit breaker includes a slotted magnetic device having a plurality of spaced slotted conductive plates and a moving contact arm positioned within the slot when the circuit breaker is in a closed circuit position so that current flowing through the contact arm has a component in a vertical direction with respect to the slot. An overcurrent condition through the circuit breaker causes magnetic flux to be generated within the slotted magnetic device which develops a force to drive the moving contact arm from the front to the rear of the slot in a direction generally parallel to the bottom of the slot, thereby actuating the circuit breaker from a closed circuit position to an open circuit position. The circuit breaker also includes an arc-extinguishing device including a plurality of apertured conductive plates. The moving contact arm includes a probe member extending into the apertures of the plates when the circuit breaker is in a closed circuit position.
Patent ES-454943-A1 (ES)
Title: Method of burning pulverous alkali-containing raw materials and kiln plant therefor
IPC: F23D1/00
Filed: 1977-01-11
Abstract: A method is disclosed for burning alkali-containing raw materials such as cement raw meal in a plant having a multiple string cyclone preheater, each string containing at least two cyclone preheater stages, a kiln, and a cooler unit for cooling the burnt material from the kiln by means of air which is subsequently divided into two streams, one stream being passed through the kiln and a kiln string of the preheater, the other stream being passed through a calciner and up through the calciner cyclone string of the preheater. According to the invention, the flow of material from the penultimate preheater cyclone stage of the kiln string is directed to the calciner, at least a part of the material from the penultimate cyclone stage of the calciner string is directed to the lowermost cyclone stage of the kiln string, and at least a remaining portion of the material from the penultimate cyclone stage of the calciner string is passed to the calciner.
Patent ES-459038-A1 (ES)
Title: Heating apparatus for mixture of fuel and air of combustion engine
IPC: F02M31/08
Filed: 1977-05-23
Abstract: The heat exchanger consists of a double tube each tube having a double wall. The outer space has two inlet connections (3) and two outlet connections and the engine exhaust gases pass through this space. The double tubes are joined by small passages between them. The combustion mixt. enters the heater by the inlet (6) and is circulated and mixed until it reaches the delivery nozzle (7) and passes out of the heater through the outlet passage (9). The gases are heated to a temp. of between 250 deg. and 500 deg.C.
Patent ES-462859-A1 (ES)
Title: Telephone line interfacing circuit with directional transfer of ringing current and off-hook indications
IPC: H04M19/00
Filed: 1977-10-03
Abstract: A circuit for interfacing an AF line to a central unit makes use of an RF transformer Tr. Said transformer is so arranged that the source AF signal to be transmitted modulates an RF carrier generated in a primary winding of the transformer and the resulting modulated signal in the secondary winding is demodulated before being transmitted to a line which is thereby linked to the source.
Patent ES-465822-A1 (ES)
Title: Pivot joint
IPC: F16C11/04
Filed: 1978-01-05
Abstract: An improved wear-indicating pivot joint includes a bearing assembly which supports a stud for both axial and rotational movement. The bearing assembly prevents sidewise tilting movement of the stud during axial and rotational movement of the stud about its own central axis. A wear take-up arrangement is provided to compensate for normal wear between a bearing surface and the stud. The wear take-up arrangement includes a spring which applies a force to a bearing member to continuously urge the bearing surface into engagement with the stud to hold the stud against sidewise tilting movement. However, upon the occurrence of excessive wear between the bearing surface and the stud, the bearing surface is ineffective to hold the stud against sidewise tilting movement to thereby signal the occurrence of excessive wear.
Patent ES-466930-A1 (ES)
Title: Security system for establishments in general.
IPC: G08B/
Filed: 1977-02-13
Abstract: For this it has manually and automatically activated retention elements in the area of obligatory passage, located in the entries/exits through which all the people who enter and exit the premises to be protected must pass, the area comprises a variable length and width based on the capacity of the premises and the flow calculated within the limits of the desired efficacy, for which reason if the aforementioned flow is high it may be very wide or even be constituted of various obligatory passage areas. Such areas or corridors may have different security installations, but considering as the main one the one with the immobilising elements, with sufficient resistance and capable, on being activated manually or automatically, of immobilising those who at that time are passing through the security area without physical injury.
Patent ES-469273-A1 (ES)
Title: Ceramic melting furnace waste gases purificn. - by recycling added ceramic raw material particles shaken off bag filters
IPC: B01D53/68
Filed: 1978-04-28
Abstract: Dust and toxic vapours are removed from the waste gases of melting furnaces for the mfr. of inorganic composte materials, e.g. glass, enamel and ceramic frit, by loading the waste gases before filtration with glass raw materials, free from boron and fluorine, of 100-250 mu particle size. During filtration, the particles deposited on the filter bags are cleaned off in regular intervals and recycled into the melting furnace. This prevents clogging of the filter bag by the very fine dust particles, resulting in high pressure loss and power consumption. Sepn. efficiencies of up to 98% are achieved.
Patent ES-469328-A1 (ES)
Title: Glycoprotein and process for isolating it
IPC: A61K35/16
Filed: 1978-05-02
Abstract: What is disclosed is a glycoprotein having proteolytic, fibrinolytic, and thrombolytic properties and which can be used to prepare anti-sera useful as diagnostic agents, said glycoprotein being found in human blood serum and extracts of human placentas and being capable of isolation therefrom and which has the following properties: a protein proportion essentially consisting of 89+/-4% of alpha -amino-acids, a carbohydrate proportion of 11.1+/-2.2%, among it 5.3+/-1.1% of hexoses, 2.8+/-0.5 N of N-acetylated hexosamine, 2.9+/-0.6% of N-acetylated neuraminic acid a sedimentation coefficient S20x of 3.2+/-0.3 S a molecular weight of 32 000+/-6 000 an iso-electric point at pH 4.3+/-0.3 an extinction coefficient E1 cm1% (280 nm) of 13.8+/-1.0 an electrophoretic mobility in the range between that of albumin and alpha 1-globulins a specific immunologic reaction with an antibody specifically directed against the protein, and a proteolytic activity, as well as a process for isolating it.
Patent ES-483538-A1 (ES)
Title: Fuel injection pumping apparatus
IPC: F02M41/14
Filed: 1979-08-21
Abstract: A fuel pumping apparatus includes a rotary distributor member including bores locating pump plungers. The plungers are engaged by shoes carrying rollers. An actuating member has a leading flank and a trailing flank and is movable along a path parallel to a tangent to the bore containing the distributor member. The leading flank is movable into the path of the rollers to impart inward movement to the rollers and the associated plungers. The position of the actuating member is adjustable to determine the amount of fuel pumped by the plungers.
Patent ES-8101087-A1 (ES)
Title: Process for the preparation of aqueous dispersions or solutions of polyurethane-polyurea and their use.
IPC: C08G18/10
Filed: 1979-10-05
Abstract: This invention relates to a new process for the production of aqueous dispersions or solutions of polyurethane-polyureas by reacting NCO-prepolymers which have been hydrophilically modified and/or which contain external emulsifiers with organic polyamines and/or hydrazines in the aqueous phase, the above-mentioned chain extenders - in the form of their solid adducts with inorganic or organic acids - being mixed with the NCO-prepolymers to form a suspension before production of the dispersion or solution. The invention also relates to the dispersions or solutions obtainable by this process and to their use for the production of coatings or bonds.
Patent ES-8102311-A1 (ES)
Title: Positioning of an additional tubular element on a tubular structure
IPC: E21B19/00
Filed: 1979-11-28
Abstract: In the positioning of an additional tubular element, e.g. a pipe section, on a tubular structure, e.g. a pipe-line in the course of immersion, where the end surfaces to be brought into contact are not in radial planes, the additional element is brought in alignment with the structure and at a short distance from the latter. The end surfaces of the element and structure are then brought into contact, the contacting ends are centered, and a compressive force is applied to them in such a way that the element can pivot about the point of contact between the element and the structure until its end surface is brought into complete contact with the end surface of the structure.
Patent ES-488782-A1 (ES)
Title: Method and apparatus for drying granular material
IPC: F26B17/10
Filed: 1980-02-20
Abstract: A method and apparatus for drying granular but lumpy material 3 comprises a drying process divided into three parts, which drying takes place in a preliminary drying device, a pulverising and drying device, and a subsequent drying device 6. The preliminary device and the pulverising device may comprise respectively radial arms on a horizontal, rotatable shaft, and a wheel on the same or a different, offset, shaft, and both devices may be in a common casing 1. Hot gas 5 is delivered to the casing 1, and acts, with the arms of the first device, to transport the material through the casing to a flow drier 6. Coarse material may be recycled via 8.
Patent ES-488929-A1 (ES)
Title: Towed crop harvester
IPC: A01B69/00
Filed: 1980-02-26
Abstract: A towed harvesting machine, especially for row crop, has a chassis connected pivotally by a tow bar to a tractor and a fluid-responsive motor connected between the tow bar and the chassis or frame which is capable of laterally shifting the frame or chassis, and hence the mouth of the machine for ensuring alignment of the row crop with the mouth. The mouth of the machine can be provided with sensors controlling this motor, which can be a hydraulic cylinder, to assure this alignment.
Patent ES-8102042-A1 (ES)
Title: Method of forming sealing gaskets in container closures
IPC: B29C41/34
Filed: 1980-06-10
Abstract: Method of forming a sealing gasket made from vinyl chloride resin plastisol in container closures made of a high-melting olefin polymer, especially polypropylene. The invention employs a combination of microwave heating and controlled heating by conventional means. The controlled conventional heating raises the temperature of the closure to from 5 DEG to 35 DEG C., preferably 5 DEG to 15 DEG C., below its melting point at this temperature microwave heating is then introduced to flux the plastisol.
Patent ES-8105538-A1 (ES)
Title: Telephone set
IPC: H04M1/03
Filed: 1980-08-22
Abstract: There is disclosed a compact telephone instrument with a telescoping operation. A first housing (A) has a conventional telephone receiver located within a hollow recess thereof. This housing (A) is removably secured to a bottom housing (B) which contains a dialer assembly (11). A series of guide mechanisms (e.g. 21, 22) are formed in both housings and are used to accommodate a third housing (C) containing a telephone transmitter. The third housing (C) is slidably mounted within the receiver and dialer housings to enable on-hook and off- hook operations by sliding and extending outwardly for off-hook operation and by pushing the housing inward for on-hook operation. The transmitter housing is accurately guided between the receiver and dialer housings by the guide mechanisms to ensure accurate and reliable operation relatively independent of the nature of the force exerted by a user on the transmitter housing when operating the instrument. The movement of the transmitter housing between the on and off hook positions automatically activates a hook switch arrangement by means of tabs which are permanently secured on slide members associated with the transmitter housing and which tabs actuate leaf spring switches located on a component board positioned between the dialer and receiver housings.
Patent ES-8106602-A1 (ES)
Title: Control system for regulating large capacity rotating machinery
IPC: F25B1/00
Filed: 1980-09-11
Abstract: The control system disclosed herein regulates a centrifugal compressor which has inlet guide vanes adjustable to vary the compressor capacity. A variable speed motor is connected to drive the compressor, and variation of this motor speed provides another input for regulating the compressor capacity. A control system achieves optimum energy efficiency, while avoiding surge, by the manner in which the motor speed and the inlet guide vane positions are regulated. To do this, a control signal must be derived to indicate the compressor head value. This signal is achieved by providing two signals, one related to the absolute condenser pressure, and the second related to the absolute evaporator pressure. The control system operates on these two signals to provide a third signal which is a function of a ratio, in which the numerator is the difference between the condenser and evaporator pressures, and the denominator is the evaporator pressure. Alternative measurement and processing techniques are described. This signal affords a very good indication of the compressor head and thus achieves increased efficiency of system operation, with consequent energy conservation, especially at lighter loads and low heads.
Patent ES-8106422-A1 (ES)
Title: Method and apparatus for producing perforated bent tubes
IPC: B21D28/28
Filed: 1980-10-06
Abstract: Individual straight tube portions 6 are fed automatically into a perforating station in which mandrels 10 mounted on slides 8 are introduced into the ends 9 of the tube portion. End perforating units 11 associated with the mandrels have horizontally acting punches adapted to pass through guide bores in the mandrels to piece both the front and rear walls of the tube. With the tube held by the engaged punches of the end perforating units, further perforations are punched in the tube by spaced apart piercing units 3 adjustably mounted on a rail 2 and having substantially vertically acting punches. After withdrawal of the punches, the straight perforated tube device 14 to a bending station above the perforating station, where the tube is bent to the required shape by bending devices 17 having bending pads 21. After bending ejectors operate in timed relation with a blank tube feed.
Patent ES-8201468-A1 (ES)
Title: Heat-insulated conduit
IPC: F16L59/14
Filed: 1980-10-24
Abstract: A heat-insulated conduit provided by the invention has a tube, a sheath of heat insulating foamed material disposed around the tube, wires wound around the sheath of foamed material which deform the sheath locally along annular lines, and a tubular film disposed around the sheath in line or point contact with the deformed sheath.
Patent ES-8207376-A1 (ES)
Title: Edge coated capacitor electrode.
IPC: H01G4/32
Filed: 1981-05-22
Abstract: A roll section for an electrical capacitor comprises a wound composite of alternate strips of polypropylene and aluminum foil with narrow bands of a dielectric coating along the longitudinal edges of the aluminum strips. The coated edges may also be folded for optimum results.