baber/WOPTO huggingface dataset:
Patent MX-PA99002941-A (MX)
Title: Electrochemical processing of liquid such as water.
Inventor: JURY GEORGIEVICH ZADOROZHNY
IPC: C02F1/461
Filed: 1997-09-29
Abstract: A method of electroprocessing liquid such as water comprises providing an electrolyser with cathode and anode chambers, each having respective electrodes. An electric current source is provided for the electrodes. Liquid is passed through an inlet of the cathode chamber (76) and passes from the cathode chamber at least partly to an inlet of the anode chamber (80) with the remainder passing along a further flow path to an outlet (88). Apparatus is provided for carrying out the method including a hydraulic valving arrangement to allow control of flow of liquid from cathode to anode and along the further flow path.
Patent NL-2031501-A (NL)
Title: Preparation method of high - efficiency magnesium polyphosphate fertilizer
Inventor: GUICHUAN WANG
IPC: C05B9/00
Filed: 2022-04-05
Abstract: The invention belongs to the field of fertilizers, and specifically discloses a preparation method of a high - efficiency magnesium polyphosphate fertilizer, which comprises the following steps: (1) adding wet - process phosphoric acid as a raw material into a vacuum distillation device for distillation; (2) polymerizing the distilled phosphoric acid solution with phosphorus pentoxide; (3) mixing the material treated in step (2) with magnesium - containing compound powder and adjusting the pH value; and (4) adding succinic acid diethyl aminoethanol citrate and mixing evenly to obtain the required high - efficiency magnesium polyphosphate fertilizer. The invention uses wet phosphoric acid to produce magnesium polyphosphate fertilizer and adopts polyphosphate technology, which more than doubles the effectiveness of phosphorus, and the fertilizer has stable quality and good controlled release performance. The polyphosphate in the fertilizer has the ability to chelate metal ions and can be absorbed by plants by forming soluble complexes with ineffective trace elements in the soil; at the same time, the chelating effect of the polyphosphate prevents the formation of precipitation of metal impurities in the suspended fertilizer, thus adding polyphosphate can result in a highly concentrated suspended fertilizer
Patent NL-2032537-A (NL)
Title: Method for tissue culture of ornithogalum caudatum
Inventor: DIJIANG ZHOU
IPC: A01H4/00
Filed: 2022-07-18
Abstract: L The present invention relates to a method for tissue culture of Ornithogalum caudatum, including the following steps: medium preparation, explant selection and sterilization, primary culture, adventitious bud induction, adventitious bud multiplication, adventitious bud rooting induction, tissue culture seedling domestication and transplantation. The minimal media select MS media, where sucrose is used in an amount of 20—40 g/L, and agar powder, which is used as the coagulating agent, is used in an amount of 8—9 g/L, and the pH of the media is adjusted to 5.7—5.8 10 before subpackaging; the medium for primary culture is MS+6—BA 0.1—0.5 mg/L+NAA 0.05—O.2 mg/L; the medium for adventitious bud induction is MS+6—BA—2.0—4.0 mg/L+NAA 0.05—0.2 mg/L; the medium for adventitious bud multiplication is MS+6—BA O.5—3.0 mg/L+NAA 0.05—0.2 mg/L; and the medium for rooting is MS+IBA 0—0.5 mg/L or 15 l/2MS+IBA 0—0.5 mg/L.
Patent NL-238795-A (NL)
IPC: C25B11/14
Abstract: A bipolar graphite electrode has a solid, compact layer disposed within it to prevent passage of electrolyte through the electrode. The layer may be an acid-resistant cement, e.g. a phenol-formaldehyde resin, which unites two graphite sheets. Alternatively, a graphite electrode may be impregnated, after de-gassing, with an acid-resistant synthetic resin, e.g. a condensation product of phenol and formaldehyde, if desired with furfurol and epichlorhydrin, the electrode being then treated with a solvent, e.g. methanol, to render the external faces electrolytically active, the resin remaining in the electrode being cured.  The opposed external faces are interconnected by bolts, screws or cones of graphite impregnated with paraffin or by bolts of titanium or tantalum.
Patent NL-269819-A (NL)
IPC: F01K23/10
Abstract: 948,596. Feedwater supply systems for boilers. SULZER FRERES S.A. Sept. 5, 1962 [Sept. 8, 1961], No. 34098/62. Heading F4A. [Also in Division F1] A vapour generator comprises a feed pump driven by a turbine of a gas turbine plant, another turbine of which drives the compressor of the plant and an electric generator, the latter turbine being adapted to run at constant speed at all vapour generator loads and the compressor being adapted to deliver a controllable quantity of air. In the gas turbine plant the compressor 5 is controlled, either by a throttle in its intake 12 or by adjustable rotor and/or stator blades, to provide sufficient air for combustion in a steam generator 18 and sufficient gas to drive turbines 1 and 2 and a condensate feed pump 9; any excess energy derived from the gas being utilized in driving an electric generator 7. Turbine 1 driving the compressor 5 and generator 7 is driven at constant speed, whereas the turbine 2 has its speed controlled to regulate the supply from the condensate pump 9. Air from the compressor 5 is supplied to the combustion chamber of the steam generator 18 by way of a heat exchanger 26. Steam produced in the tube 20 is fed to a consumer, for example, a steam turbine. The combustion products in the steam generator 18 are fed to the turbine 1 and then through the heat exchanger 26 to the turbine 2 from where they are exhausted through a conduit 19. The heat exchanger 26 may instead be provided in the exhaust conduit 19 for preheating the air or a heat exchanger may be disposed in a condensate conduit (not shown) to preheat the condensate by the gas exhausted from the turbine 2. An additional combustion chamber 25 is provided for regulating purposes. An electrically driven reserve feed pump (not shown) allows the main feed pump to be overhauled while the turbine 1 remains in operation. In an alternative embodiment, Fig. 2 (not shown), the heat exchanger 26 is omitted and the steam generator is split into two parts, the lower part forming a combustion chamber as before and the upper part being supplied with exhaust gas from the turbine 2, which gas after heating the upper part of tube 20 is exhausted through a chimney. In a second alternative embodiment, Fig. 1 (not shown), the heat exchanger 26 and the combustion chamber 25 are omitted and the air from the compressor 5 is instead supplied to a separate combustion chamber burning, for example, oil or gas, the resulting gases being then supplied to the turbines 1 and 2 before passing to the steam generator combustion chamber for further combustion to heat the tube 20, the gases finally being exhausted through a chimney.
Patent NL-6511673-A (NL)
IPC: G05D23/275
Filed: 1965-09-07
Abstract: 1,101,290. Control of two motors. C. E. VAN TOL. 7 Sept., 1966 [7 Sept., 1965], No. 39932/66. Heading H2J. [Also in Division E2] Windows 2, 3 situated in pairs one on either side of a ridge of a forcing house 1 are operated by pair(s) of electric motors 4, 5 one on each side of the ridge. The motors drive gears 6, 7 having shafts 8, 9 which may run the length of the forcing house. Pinions 10, 11 attached to the shafts engage racks 12, 13 fixed to the windows. An intermediate shaft (18, Figs. 3 and 4, not shown) between the armature or rotor shaft of the electric motor 4 and shaft 8 is provided with transmission devices (19, 20 and 22, 23) at each end, the former for operating end switches (in device 21) and the latter for driving a feedback potentiometer (in device 24). A switching device 16 is provided for each pair of electric motors which in conjunction with the end switches operates so as to ensure that the windows on one side of the forcing house cannot be opened until after the windows on the other side are totally opened and that the first mentioned windows have to be closed totally before the ones on the other side can be moved to their closed position. The switching device preferably comprises a selector switch for determining which windows are to be opened first and closed last. Selection may be determined by wind direction. The switching device may be rendered operable by electric impulses generated as the result of a temperature change, or change in relative humidity, inside or outside the forcing house. To prevent the windows being opened and closed too rapidly in succession, the signal generating the electrical impulses may be modified according to the position of the windows. For instance, in the case of a resistance element being used to detect temperature change, the resistor may be incorporated in a bridge circuit in which feedback potentiometers are also provided, the sliders of which are coupled to the electric motors.
Patent NL-6911969-A (NL)
Title: Vacuum-forming moulding process
IPC: C08C19/30
Filed: 1969-08-06
Abstract: Vacuum-forming of heat-curable resinous mouldings is effected by fixing a web of elastomeric material over a vacuum-forming device with a heated mould. The elastomeric material has been obtained by reaction of polyfunctional prepolymers, at least one of the prepolymers being a polyfunctional polydiene with pendant vinyl groups on alternationg C-atoms of an extended C-chain; a polyfunctional org. chain-extender being able to react with the functional groups of the polydiene; and a free-radical peroxide initiator being present in dispersed form. Following forming and heat-treatment of the elastomeric web the same is removed from the mould and the vinyl groups are cross-linked and cyclised to give a hard stiff moulding. The polydiene may be dihydroxy-1,2-polybutadiene or dihydroxy-3,4-polyisoprene. The ch ain-extender may be a diepoxide-, diimine-, dihydroxy- or diaziridine-substd. aliphatic or aromatic cpd.
Patent NL-7013889-A (NL)
Title: False twisting of synthetic yarns
IPC: D02G1/04
Filed: 1970-09-18
Abstract: In the false twisting of a synthetic yarn using a pneumatic false twisting device into the chamber of which air is blown tangentially, the yarn leaves the yarn discharge channel in a direction inclined at an angle with the direction of this channel and that of the feed channel, preferably corresponding to at least 30 degrees, especially about 90 degrees.
Patent NL-7306862-A (NL)
Title: Removal of heavy metals from solns or gas mixtures - using modified poly-amide as adsorption agent
IPC: C02F1/52
Filed: 1973-05-17
Abstract: In a process of removing heavy metals from solns. of gaseous mixts. by contact with an S-contg. reactant and then separating the reactant, the metals are bonded to a treated natural or synthetic polyamide selected from (a) reduced keratin; (b) Bunte salts of keratin; (c) natural or synthetic polyamides whose amide grps. have been at least partly replaced by thioamide-grps. Modified nylon-6, -7, -11, -12, -66 or copolymers are suitable.
Patent NL-7316160-A (NL)
Title: Electromagnetic valve control for compressor - utilises pick-up sensor and load and unload circuit channels
IPC: F04B49/24
Filed: 1973-11-26
Abstract: The electromagnetic valve control has a magnetic coil in the same magnetic circuit as poles with an anchor unit. The circuit comprises a sensor (1), a resistance thermometer, (2), a signal measuring circuit (3), a timing cell (5), an amplifier (6), a pulse generator (7), a loading channel (8) and an unloading channel (9). These operate and control the coil (10) of the electromagnetic valve (11) and the compressor (12). The timing cycles are arranged so that the magnetic poles may be demagnetised before the next timing interval is due.
Patent NL-7500086-A (NL)
Title: Welding simulator for teaching welding techniques - has detector circuit connected to display for performance assessment of trainee
IPC: G09B9/24
Filed: 1975-01-06
Abstract: The welding simulator is used to teach welding techniques to a trainee and comprises a first unit (16) for simulating the working surface, surrounding a moving target, a hand held device (14) simulating the welding tool and a further device (12) simulating the welding rod, held by the device (14) simulating the welding tool and able to be brought into contact with the target (114). A sensor circuit (26) is connected to selected parts of the simulator, e.g. the welding rod simulating device (12). Each sensor circuit has a preset base value, affecting the feedback signal supplied from the circuit (26) to a display indicating the performance of the trainee during the simulation.
Patent NL-7712161-A (NL)
Title: Coupling hook for lifeboat davit - engages eye in closed position and is releasable by component moving out to rest position
IPC: B63B23/58
Filed: 1977-11-03
Abstract: The coupling mechanism used for a lifeboat and a davit, has a hook which can hinge around a virtually horizontal axis. The hook can be coupled to an eye, and has a release arrangement for disengagement from the eye. The eye (12), in the closed position, engages on the hook (10) on the one side of a vertical surface through the hinge pin (9), whilst on the other side of this surface a movable connecting component (14) grips the hook (10).
Patent NL-7806222-A (NL)
Title: Improving the cheese aroma of food prods. - by incorporating trans-anethole
IPC: A23L27/20
Filed: 1978-06-08
Abstract: Food products are provided with a cheese aroma by incorporating 0.05-5 mg/kg trans-anethole 1-(p-methoxy-phenyl)prop-1-ene. (I). The (I) gives a good aroma of Gouda cheese e.g. in cheese e.g.in cheese melts, cheese snacks and cheese sauces, without the necessity of using mature cheese as before. Pref. the total amt. of (I) in the food is 0.05-2 ppm. Other known aroma components may also be present.
Patent NL-7812605-A (NL)
Title: Chano-des:ethyl-apovincamine cpds. - useful as antianoxic and psychotropic agents
IPC: C07D471/16
Filed: 1978-12-28
Abstract: chanodesethylapovincamines of formula (I) and their acid-addn. salts are new. In (I), R is H, opt. unsatd. 1-5C alkyl or benzyl; Z is H, halogen, alkyl, OH, acyloxy,carbamoyloxy or MeO. Cpds. (I) have antianoxic and psychotropic activity and are useful for treating behavioral disorders associated with cerebrovascular dysfunction, depression etc. They are also useful as intermediates for cpds. with such activity.
Patent NL-7906466-A (NL)
Title: Blow moulding bottles from saturated polyester - including maintaining the blown article against the mould for a short time to stabilise it
IPC: B29C49/64
Filed: 1979-08-28
Abstract: A bottle is blow moulded from a tubular parison of saturated polyester closed at one end by heating the parison to orientation temperature (in the range 70-130 deg. C), blowing it in a mould, and then maintaining it in the mould for at least 5 seconds with the mould kept at a temp. between the glass transition point and the crystallisation temp. The portion of the mould contacting the base of the blown parison is cooled during this period. The bottle has superior strength and very small age and temperature deformation.
Patent NL-7906928-A (NL)
Title: Bicycle wheel rim of polyamide bonded glass fibre - of two half mouldings clipped and ultrasonically welded
IPC: B60B21/06
Filed: 1979-09-18
Abstract: A stainless steel reinforcement strip is embedded in a rigid glass-fibre-reinforced polyamide body to form the rim of a bicycle wheel. The synthetic profile may be in two parts (1,2) which are bonded into a unit. Recesses (4,5) accommodate a strip of steel (3) with curved over ends (6,7) which pulls the two halves together, and the central circumferential joint is made by ultrasonic welding. Countersunk holes are drilled for the spoke nipples. The rim is light in weight, strong and keepts its shape consistently during use.
Patent NL-8001384-A (NL)
Title: Reduction gear for agricultural machinery - has input shaft coupled via hypoid bevel gears to output shaft crossing at right angles
IPC: A01B33/08
Filed: 1980-03-07
Abstract: The reduction gearing is intended for agricultural machinery and has shafts (1, 7) crossing at right angles. The shaft (1) is intended for coupling to the power take off of a tractor and is coupled to the shaft (7) via hypoid bevel gears (5, 6). The shaft may have an output end (9) to serve as a power take off for coupling to further machinery.
Patent NL-8002650-A (NL)
Title: U=section door frame upright - has fixing device portion from protruding flange to body outside lengthwise edge
IPC: E06B1/60
Filed: 1980-05-08
Abstract: The upright is of U-section, being partic. for a door frame, and having fixing devices in recesses in flanges on it pressing against the wall sides. An edge running in the lengthwise direction of the upright bears against a wall side. Each portion of a fixing device fitting in a recess has a portion running from the protruding flange to the body of the upright, and protruding outside the edge, being supported in the recess clear of the edge. Under external pressure this portion is moved towards the body and the flange. The upright can have portions extending towards each other, relatively sharp and forming anchoring hooks.
Patent NL-8102764-A (NL)
Title: Re-usable tubular filter for milking machine - having filter material of woven stainless steel threads forming fabric of specified geometry
IPC: B01D39/12
Filed: 1981-06-09
Abstract: The filter material is particularly intended for a filter arranged between the pump and the cooled storage tank in a milking installation. It consists of a fabric woven from threads of stiff material which is formed into a (supported) cylindrical filter element wherein the warp threads extend in longitudinal direction and the weft threads in circumferential directions. Alternate warp threads pref. cross over and under the weft threads on one and on the other side of the weave and cross one another between successive weft threads whilst the weft threads are not deformed (i.e. are straight but circular). At their cross-over points, adjacent warp threads are pref. in contact with one another. Used as woven filter material for milking machine. The filter element using this material can be cleaned for re-use, has filter pores of clearly defined size, and withstands pump pressure without excessive resistance, and regular handling. (FL).
Patent NL-8104407-A (NL)
Title: Pulse transmitter for measuring flow of conducting liquid - uses flat blade on turbine shaft rotating between electrodes connected to external processing circuit
IPC: G01F1/64
Filed: 1981-09-24
Abstract: A turbine (21) located in a counter body (20) turns about a shaft (22) coaxial to the body and held in position by supports (23). These are mounted in fairings (24,25) of an electrically insulated material and attached to the body by rib sections (26). The upstream fairing houses an auxiliary rotor (27) with flat segment shaped blades. These blades pass between two electrodes (30,31) connected to a processing circuit (32) external to the counter. These electrodes detect resistance variation as the blades rotate. The processing circuit comprises an oscillator whose output is modulated by an amplifier circuit in which the electrode circuit forms a feedback path to provide a voltage proportional to the liquid resistance. The amplifier output is rectified to obtain the rotor speed information.
Patent NL-8201232-A (NL)
Title: Separator for water-suspended oil - has stages in series with oil collecting chamber discharges controlled by sensor in first chamber only
IPC: B01D17/02
Filed: 1982-03-24
Abstract: The differential-gravity separation system is from separating oil from an oil in water suspension by passing the mixture (from 35) through successive separation stages (stagnation chamber 43, plate separator 45, coalescer 48) each arranged below an oil collecting chamber (44,46,49) which is connected (via valves 30,29,26) to an oil discharge system (34). An oil level sensor (5) arranged in only one (the first) chamber (44) is connected to a control unit which operates (10,11,13) the oil discharge valves of all these chambers. The discharge from this (first) chamber (44) is pref. directly controlled in response to the sensor signals whilst those from the subsequent chambers are successively controlled taking account of the (total) oil discharge capacity via timing circuits (duration or delay of discharge) in the control unit. Used for gravity sepn. of oil from oil in water suspension. The arrangement eliminates the need for separate oil level sensors with associated control equipment for all the collecting chambers and permits a single control unit to be programmed, based on empirically established data, to obtain a predictable and adequate discharge from all chambers. It further permits the mixture inlet (35, valve 31) and clean water outlet (36, valve 24), and also the inlet (37, valve 25) and outlet (38, valve 28) of coalescer washing water to be controlled (8,9,14,15) by the same unit in response to pressure increase (6) due to clogging of the coalescer bed.
Patent NL-8202226-A (NL)
Title: Tomato culture wire support winding reel - has rotary axis vertical w.r.t. T-shaped reel holder and downwards inclined fingers
IPC: A01G9/12
Filed: 1982-06-02
Abstract: The winding reels used in commercial greenhouses for tomato growing, having soil areas up to 10.000 sq.m, is designed for one-hand operation. The reel is slidably fitted, to move along a horizontally suspended wire support. The rotary axis of the reel (3) is vertical to the reel body part (8) of a T-shaped reel holder. The horizontal part (11) of the holder, has in the direction away from the reel, downwards pointing fingers (12). From the body part parallel with the holder, a hook (9) has a guide cam (10). The body part joins a round disc (15) with upturned rim (16), which fits around one of the reel flanges (2) and has enclosing lips.
Patent NL-8203979-A (NL)
Title: Analogue attenuator controlled by binary switches - is used for volume and tone controls in stereo HI=FI systems using resistive ladder and divider chain
IPC: H03H11/24
Filed: 1982-10-15
Abstract: The analogue audio signal input (2) is connected to a resistive ladder network (4) with the steps connected via switching circuits (SN...S1) to the inverting input of an operational amplifier (6). Each switch is operated by the output of an individual comparator (Cn...C1). One input of each comparator is connected to a variable d.c. voltage source (9) which controls the attenuation factor, while the other input is connected to a fixed reference voltage supplied by a resistive divider chain (RVN...RV1). The level of the control voltage determines the number of switches operated and thus the attenuation provided by the ladder network. A feedback resistor (RN) on the output amplifier (6) provides a virtual earth input to the amplifier.
Patent NL-8501285-A (NL)
Title: Seed-sowing soil cultivating machine - has rotatable soil working members between which are outlet openings of seed drill
IPC: G11C7/10
Filed: 1985-05-07
Abstract: The machine incluees a seed drill (27) having outlet openings located between soil working members (3) and a roller. The working members are rotatable about upwardly extending axes. Pref. there are two cooperating rollers (34), each comprising a tubular portion (35) having combs (36). The machine may also include a fertiliser spreader (21) which, along with the drill and rollers, are height adjustably mounted on a frame of the machine. Scrapers (40) are provided between the combs, being concave on one side.