baber/WOPTO huggingface dataset:
Patent DE-2610901-A1 (DE)
Title: Collector block for solar heating system - has parts assembled in mould and foam plastics injected to form sealed unit
Inventor: JUNG ANTON LADISLAUS DIPL ING
IPC: F24J2/04
Filed: 1976-03-16
Abstract: The solar heating system uses a collector block consisting of a heat exchanger (2) with a connection (7) each end for circulation of e.g. water, above which is spaced a transparent cover sheet (3). These are held together by a plastics housing, the whole being sealed and insulated by plastics foam. The cover sheet (3) consists of two plates (5) with longitudinal spacing ribs. The whole unit is made by assembling all the individual parts in a mould and injecting the plastics foam so that the rear and sides are completely sealed in and insulated to make a light weight compact unit.
Patent DE-2616968-A1 (DE)
Title: Vehicle aerial system with metal fastening part - makes contact with car body through ring of teeth in contact with edge of hole in body
Inventor: STEINHAUER ERNST
IPC: H01Q1/12
Filed: 1976-04-17
Abstract: The fastening part passes through the car body. When the aerial is in operation the fastening part is electrically connected to the bodywork of the car through a contact ring. The contact ring rests on a collar of the fastening part and it has a ring of sharp teeth. These teeth face the surface of the body and cut into the metal to make good contact. Teeth (10) of the contact ring (6) have slanting outward edges (11) extending radially from their points. The diameter of the circle passing through the points of the teeth is smaller than that of the hole in the car body.
Patent DE-2618304-A1 (DE)
Title: Packaging for annular object - has two packages formed side by side from single blank with false bottom and flaps for positioning
Inventor: JAEGER ELISE
IPC: B65D5/50
Filed: 1976-04-27
Abstract: The package is in the form of a single cardboard blank and comprises two identical packages side by side. Each package contains one annular object, the packages being detached by tearing. The remaining package still gives protection against damage. Each package comprises a bottom, sides, a cover with flap, a fixing tab and a false bottom. The false bottom is cut in its centre area to provide two identical flaps, each being L-shaped. These are folded downwards from the centre, a rebate being used to position and hold the object in place when the package is erected.
Patent DE-2629412-A1 (DE)
Title: Loading equaliser for parallel converters - derives control signals by comparing sawtooth voltage with voltage proportional to load currents
Inventor: SCHWARZ ULF DIPL ING
IPC: H02M7/539
Filed: 1976-06-30
Abstract: The loading equaliser, for parallel converters, has all converters sharing the same regulator. The separate control voltages for each converter current regulating element (e.g a transistor) are derived by comparing a sawtooth voltage with a voltage dependent on a converter load current. Each converter may have its own sawtooth generator synchronised with the other sawtooth generator synchronised with the other sawtooth generators by a shared clock. The advantage lies in the equaliser making use of circuits already present in the converter system.
Patent DE-2636821-A1 (DE)
Title: Packing bag for fruit and vegetables - consists of hose shaped net hot sealed at both ends with information strip on outer surface
Inventor: TAKASAKI KUNICHIKA
IPC: B65B9/15
Filed: 1976-08-16
Abstract: Net type packing bag for fruit and vegetables consists of a hose shaped bag body from a net material and of a predetermined length. Both ends of the bag body are closed by hot sealing for packing the fruit and vegetables. The bag body is provided with a strip from a plastic material on which is printed information regarding the packed goods and the name of the supplier. The strip has the length of the hose shaped bag body and is positioned on the outer surface of the hose shaped body. The ends of the strip are hot sealed to the ends of the hose shaped bag body before they are closed by sealing so that the bag displays the printed information on the strip without preventing breathing of the packed fruit or vegetables.
Patent DE-2640977-A1 (DE)
Title: Multistage flash evaporator e.g. for desalination - comprises concentric vertical tubes and heating passage surrounding expansion chambers
Inventor: SCHREINER HERMANN PROF DIPL IN
IPC: B01D3/06
Filed: 1976-09-11
Abstract: In a multi-stage flash evaporator consisting of concentric vertical tubes, the heating passage is a narrow gap surrounding the expansion chambers. The feedstock is preheat in passing upwards through annulus between outer and inner pipes, and finally heated by e.g. steam or electricity in annulus. Used e.g. in prodn. of drinking water from sea water or brackish water, esp. in small quantities e.g. 1000 kg/h evaporation. The evaporator is more economical to build in small capacities than conventional evaporators. Its length is comparatively short and includes no bends where crystalline deposits can develop. The mean temp. difference is also high because of the absence of a multi-pass configuration. The evaporator is made up of a number of identical components and is thus cheap to produce.
Patent DE-2646091-A1 (DE)
Title: Ski brake actuator mechanism - has two hinged arms connected by rod and operated by torsion spring
Inventor: MAIER ROBERT
IPC: A63C7/10
Filed: 1976-10-13
Abstract: A ski brake consists of two separate hinged arms which are located on the top surface of the ski. The two arms are connected by a link rod, located on the side of the ski, and are thus forced to move together. The pivot pin of the larger brake arm also carries a torsion coil spring. Normally, the brake is held in its inactive position by the ski boot located in the ski binding. When the boot and ski separate, the torsion spring rotates the main brake arm to its operating position. The second brake arm is also moved to its operating position due to the connecting rod.
Patent DE-2648270-A1 (DE)
Title: Combined door and furniture unit - has built-on cupboard, mirror, coat hanger etc. and is useful in confined spaces
Inventor: NOETH HANS
IPC: E06B7/34
Filed: 1976-10-25
Abstract: The door is designed so that it can be used as a cupboard, for storage of articles in a compact space, esp. in a living-room, bedroom, kitchen, bathroom or toilet in a small house. The door (7) is reconstituted as a wholly or partially enclosed cupboard. This involves a combination of at least one special door or flap (11), and edge media pref. running right round it, aligned vertically to it. Retainers etc. for articles are fitted inside the system, and fixture media are fitted to door and/or frame. The whole layout may be of about soffit depth and may cover only part of the door; or it may overlap and door, at least on one side. The double-purpose unit saves space, and increases heat and sound insulation.
Patent DE-2651662-A1 (DE)
Title: Corrugated armoured metal hose - has metal cloth armouring on inside and no larger than clear internal diameter
Inventor: MAEDEL GERHARD
IPC: F16L27/111
Filed: 1976-11-12
Abstract: The metal hose has a series of peripheral or spiral corrugations and is armoured with metal cloth. The cloth (6) is inside the hose, and is secured, at the ends at least, to the hose itself or its unions (5). Its external dia. is equal to or less than the clear internal dia. of the hose. There can be a second metal cloth, enclosing the hose (1) on the outside, and the first one when unloaded can bear against the inside (3) of the grooves in the corrugations (2). This reduces the amount of axial movement of the hose without affecting its flexibility.
Patent DE-2654543-A1 (DE)
Title: Direct fuel injection trochoidal rotary piston engine - has tangential flame duct from vortex chamber in piston with slot receiving fuel
Inventor: MAI WOLFGANG
IPC: F02B55/14
Filed: 1976-12-02
Abstract: The rotary piston engine with direct fuel injection (7) has a trochoidal housing jacket (1) and a multi-lobed piston (2), rotating (10) on an eccentric, whose piston faces (4) are provided with ducts (5) through which, on combustion, the gases are propelled from an eddy chamber (9) into the compression space (11) of the engine. The ducts are tubular in cross-section and connect in approximately tangential direction at the equator (D) of the chamber (9). The chamber is rotationally symmetric and has a narrow neck portion (6) with a slot into which the fuel is injected. The duct (5) pref. extends from about the centre of the second half of the piston face (4) as seen in the direction of rotation (10).
Patent DE-2704289-A1 (DE)
Title: Automatic test voltage control circuit - has compensation device measuring voltage drop across resistor and controlling applied voltage
Inventor: ZIEGLER KURT DIPL ING
IPC: G01R17/06
Filed: 1977-02-02
Abstract: The test voltage is applied to a relay winding to be tested. It is dynamically applied to the winding in pulses, and the current flowing through the winding also flows through a series resistor. Voltage drop across it is used to control the test voltage in order to adjust the winding current. The current controller (J) changes a control voltage (Uf) provided by a computer controlled device, until the required current through the winding (P) is achieved. In addition a compensation element (K) measures the voltage drop across the series resistor (W), evaluates it and delivers a control signal to a summating amplifier (S) in which this signal is combined with the controlled voltage until the voltage drop across the resistor (W) is balanced out.
Patent DE-2716292-A1 (DE)
Title: Pressure fired boiler with low load operation - has water circulating at reduced rate and heated to normal feed temp. before firing
Inventor: MEYER-KAHRWEG HELMUT DIPL ING
IPC: F22B1/22
Filed: 1977-04-13
Abstract: The pressure fired boiler startup and low load operating scheme is for assisted circulation boiler systems having a feed tank heated from a lighting-up boiler also supplying the high pressure feed heater. A feed pump pumps water heated to about 100 deg.C in the tank through an automatically controlled regulating valve, the feed heaters and the boiler into associated steam/water separators. When these are half full the regulating valve starts closing progressively and circulating pumps are started. Water then circulates at about 10% of max. flow rate, through the feed heater and is brought to normal feed temp. When that is reached, circulating flow is increased to 40% of max. The route is then switched to normal and firing commences.
Patent DE-2719893-A1 (DE)
Title: Monocoque type rigid dirigible - has series of rings of gas-tight cells in place of framework and held by envelope pressure or bonding
Inventor: GROEGER ERICH
IPC: B64B1/08
Filed: 1977-05-04
Abstract: The monocoque type rigid dirigible has the conventional framework replaced by a series of rings with their outer surfaces so configured that they produce the dirigible's outline when assembled. Each ring is made up of a set of segmental hollow cells, of formed plastic and with gastight walls. The whole assembly is enclosed in an envelope which applies some compressive stress. Alternatively, the cells may be permanently or detachably bonded together. The cells have filling and venting connections in the inside surfaces. The space inside the rings is freely available for stowage of fuel, cargo, etc.
Patent DE-2720139-A1 (DE)
Title: Block saw cutting tree trunks lengthways - has aligner on transversely moving raisable block carriage with rotatable clamp
Inventor: SCHULTE ELMAR DR ING
IPC: B27B29/00
Filed: 1977-05-05
Abstract: Block saw assembly is for cutting up tree trunks with a circular saw, making multiple cuts from top to core lengthways. The trunk is positioned by a block aligner, with one or more cross conveyors in a block carriage, each having three or more pieces with independent conveyor units. The outside peices can swivel. The block aligner (18) is mounted on a block carriage (19) travelling across the line of cut (14, 15), and can be raised and lowered. It works in conjunction with a clamping device (19, 11) with two rotary bearings acting on a trunk end. The common axis of these runs through the circular saw (16) plane passing through the trunk core (13).
Patent DE-2724794-A1 (DE)
Title: Inductive coupling aerial for HF signals - has transceiver unit connected through channel filters to network containing coupling coil
Inventor: AUKSUTAT GUENTER DIPL ING
IPC: H01Q1/32
Filed: 1977-05-27
Abstract: The aerial simultaneously transmits and receives HF signals. There is a transmitter-receiver unit (terminals 3, 4) which is connected to a network through two channel filters (5) and a common filter shunt arm (6). The network consists of a series circuit containing a resistor (8). There is a coupling coil (9), a tunable capacitive reactance (10) and a tunable inductive reactance (11). capacitance (12). The common filter shunt arm (6) contains two circuits (6a, 6b) in series. They consist of a capacitor in parallel with a timable inductive reactance.
Patent DE-2729827-A1 (DE)
Title: Automatic feed dispenser for animal - has discharge chute around which animal places its mouth to actuate release mechanism
Inventor: FRANK ALOIS
IPC: A01K5/02
Filed: 1977-07-01
Abstract: The automatic feed dispenser for animals has a delivery chute connected to a supply hopper and around which an animal places its mouth. It has a release element which is operated by part of the animal's mouth, for the metered or unmetered release of the fodder. The fodder delivery chute (2) consists of a bottom section (11) and a top section which can be pivoted relative to each other to uncover a fodder release hole. The release element is a pressure plate or a pressure strap which is arranged on the outside of the fodder delivery chute.
Patent DE-2739703-A1 (DE)
Title: Single component toner developer unit - uses ferromagnetic particles of specified resistance and magnetic roller applicator
Inventor: OHMURO YUZO
IPC: G03G15/09
Filed: 1977-09-02
Abstract: The single component toner powder has mainly ferromagnetic, insulating particles which are applied to the copy drum by a magnetic roller, in the form of magnetised bristles. The latent charge image is developed by the induced frictional charge of the particles which are then transferred to a copy sheet and thermally fixed. Ordinary copy paper is used without any pre-treatment. The toner has a high specific resistance so that after transfer not more than half the available charge is lost.
Patent DE-2742141-A1 (DE)
Title: Roller sledge for sleigh or cross country tracks - includes self-acting brake system operating with sledge either full or empty
Inventor: WIEGAND JOSEF
IPC: B62B17/08
Filed: 1977-09-19
Abstract: The roller sledge is used on sleigh tracks which for simple operation may be braked even with a wet track and which includes a self braking system which operates with the sledge being eighter empty of full. Through brake surfaces (33) are located to the left and the right below the seat (1) with the length of the brake surfaces calculated to ensure that their front section rubs the track dry so that the rear section produces an adequate brake action. The brake surfaces have a spring bearing.
Patent DE-2743509-A1 (DE)
Title: Domestic central heating system - has gas supply unit connected to gas separator in heating circuit
Inventor: MEIER HANS
IPC: F24D3/10
Filed: 1977-09-24
Abstract: The central heating system has an expansion vessel with membrane, forming chambers for gas and heating medium, the gas chamber being connected to a gas supply unit. The supply unit (15) is connected to a gas separator (42) in the heating circuit. Above the separator there can be a gas collector (32) connected to a gas accumulator (16) via a pressure-operated valve (41). The accumulator is connected via a further pressure-operated valve (40) with the gas chamber (13) of the expansion vessel.
Patent DE-2800007-A1 (DE)
Title: Scattering equipment for mines or communications device - comprises barrel accommodating mines etc. one behind another for discharging at variable force
Inventor: GOERICKE DETLEF ING GRAD
IPC: F41F1/00
Filed: 1978-01-02
Abstract: The scattering equipment is designed for mines, hollow charges, illumination, or communications devices etc. It has a barrel (1) in which are loaded one behind the other. They are discharged from the barrel by a force acting on them from the rear, which can be varied, in order to affect their discharge speeds. The variation can be regulated by a braking device acting on them, as they emerge from the barrel mouth, typically in the form of a friction ring protruding into the barrel, and made of elastically deformable material.
Patent DE-2804394-A1 (DE)
Title: Servo control for headlamp setting - has stepped selector switch and wiper contact on servo-motor to provide precise operation without overshoot
Inventor: BAUER PETER-JOSEF
IPC: B60Q1/076
Filed: 1978-02-02
Abstract: The servo control for setting a vehicle headlamp has a stepped selector switch (1) which is set in the required inclination. A series of connections (58) from the switch to the servo motor (30) terminate in contacts (42-45) which are covered by a moving wiper (46) linked to the servo motor. The servo control is precise and without any overshoot. A single setting of the control ensures the selected setting, without any subsequent application of the control.
Patent DE-2806940-A1 (DE)
Title: Framework supporting cables above rows of telephone exchange racks - consists of orthogonal bars fixed to walls and connected at wanted points
Inventor: AIGNER WERNER ING GRAD
IPC: H04Q1/06
Filed: 1978-02-17
Abstract: The framework covers the entire area of the equipment-rack room and consists of I-shaped bars (1) extending above and parallel to the racks and fixed to the walls. The bars are joined by rods (2) orthogonal to them and extending between the other two walls. The bars and rods can be connected together at any point. Instead of rods orthogonal to the I-bars, further I-bars may be used identical to the other I-bars. Instead of being I-shaped the bars may have a triple-C cross section. The advantage lies in the framework's adaptability.
Patent DE-2808202-A1 (DE)
Title: Weaving loom sley - with control device for oscillation and dwell of the sley during the weaving cycle
Inventor: JEANDAUD JEAN-CLAUDE
IPC: D03D49/60
Filed: 1978-02-25
Abstract: The control device for the to and fro movement of the sley comprises elastic elements, such as mechanical hydraulic or pneumatic springs, capable of providing a double action, to maintain a pendulum movement of the sley. The sley is further subjected to a push and pull system, to compensate for the energy lost during each cycle of the sley. Sley movement is normally controlled by cam, or by crankshaft. The simple action cam to no longer is suitable for the demands of modern weaving. 'Conjugated' cams may be used, but the manufacture of such cams demands great precision, and a number of cams may be needed to govern more than one type of sley movement. The control device of the invention avoids these difficulties.
Patent DE-2811634-A1 (DE)
Title: DC voltage stabilising circuit - has voltage converter supplied from chopper and coupled via rectifier to push=pull signal generator
Inventor: HAUSOTTER KLAUS ING GRAD
IPC: H02M3/337
Filed: 1978-03-17
Abstract: The d.c. voltage stabilising circuit has a push-pull signal generator to control switches connected to an input d.c. voltage source. A voltage converter is connected to the output side of the switches and its rectified output is compared by a voltage detector with a reference in order to control the duty factor of the push-pull signal generator. The output signal is passed to a chopper whose output is connected to the input of a voltage converter. The latter is coupled via a rectifier to the push-pull signal generator.
Patent DE-2826439-A1 (DE)
Title: Prim. amine cpd. prodn. from amide by modified Hofmann reaction - using gaseous chlorine in acid medium for chlorination stage
Inventor: BERTINI FRANCO
IPC: C07C/
Filed: 1978-06-14
Abstract: Prodn. of amines (I) of formula RNH2 (where R is a 1-18C hydrocarbyl esp. an aliphatic, arylaliphatic, cycloaliphatic or aromatic gp.) is effected by (a) reacting an amide (II) of formula RCONH2 with Cl2 gas at pH =7 in the absence of presence of a diluent and (b) reacting the N-chloramide formed with an alkali(ne earth) hydroxide, pref. using a molar ratio of OH to CONH gps. is not >3:1. The amt. of alkali(ne earth) hydroxide needed can be reduced by ca. 50% and, since the 2 stages are sepd., it is possible to use Ca(OH)2 which is cheap.
Patent DE-2835031-A1 (DE)
Title: Laterally sliding arrangement for forklift truck - has forks of semicircular cross=section with guides, which slide on matching profile and hold lateral support arms
Inventor: GIBERT PIERRE
IPC: B66F9/14
Filed: 1978-08-10
Abstract: The laterally sliding fork arrangement is used esp. in forklift trucks. The fork arrangement is provided with guides and no auxiliary holding plate is necessary on the fork holder. The forks have their own grooved guides with semicircular cross section sliding directly on a matching profile. The forks have on their upper parts, guiding grooves sliding on the matching profile. Each fork has lateral support arm. These arms are situated between the two forks resting on the guide. The arms are arranged indirectly or directly on top of each other in their overlapping region. The guiding grooves are hooked on round guides for horizontal sideways travel.
Patent DE-2841440-A1 (DE)
Title: Window opening and closing crank mechanism - has stop on crank shaft and movable lock on housing engaging gear
Inventor: HEINRICHS KARL HEINZ
IPC: E05F11/42
Filed: 1978-09-22
Abstract: There is a crank shaft to activate a gear unit sited in a housing, in the mechanism for opening and closing a window. A stop (12) is non-rotatably mounted on the crank shaft (13), and a blocking element (7) is movably attached to the housing(16, 17). This element causes the operative gear (2, 11), or a component (4) activated by it, to be brought into engagement with the stop. The activated component may be a nut engaging the thread (3) of a gear shaft (1), led in a guideway along this shaft. This ensures that easily worn parts of the crank mechanism are automatically freed from loading when the end position is attained.
Patent DE-2841614-A1 (DE)
Title: Metal framed fire screen door - has rebate engaging groove formed by vertical angled piece on frame face
Inventor: GAIL JOSEF
IPC: E06B5/16
Filed: 1978-09-25
Abstract: On a door leaf movably held in the metal frame of a doorcase, the rebate fits close against a frame face, in the closed position, on an ordinary-sized or large industrial-type door affording fire protection. An angular piece, extending over a major part of the leaf's height, is set on the frame surface of the case. This combines with the frame surface to form a channel engaged by the rebate on the leaf in the door's closed position. The leaf can have hinge strips to hold it between open and closed positions, with the angle piece stretching between top and bottom strips and welded to the frame surface. This ensures a long delay before fire can penetrate the door area.
Patent DE-2842865-A1 (DE)
Title: Sea-water defoamer and air discharge for aquarium - is hollow cylinder with air-feed pipe with fitted porous wall discs and plug, made of injection-moulded polyethylene
Inventor: HAGEMANN ROLAND
IPC: A01K63/04
Filed: 1978-10-02
Abstract: Air discharge for aquariums, esp. a seawater-defoamer associated with them, has a discharge body with tubular air inlet pipe, a (hollow) space connected with it, and air permeable porous walls. The discharge body comprises a hollow cylinder with radially extending air inlet tube, and 2 porous wall discs fitted into the opposite ends of the cylinder. Cylinder, air inlet tube and an associated plug are made of plastics. pref. polyethylene, by injection-moulding. The porous wall discs are pref. made of machined linden or beech wood. Alternatively, they are made of finely porous ceramic or plastics.