baber/WOPTO huggingface dataset:
Patent DE-2444914-A1 (DE)
Title: Suction waste remover for woodworking - has channel with curved section and partition(s) parallel to axis of curvature
Inventor: KLINGENBERG CARL OTTO
IPC: B07B4/00
Filed: 1974-09-19
Abstract: Waste suction and sepn. appts. for woodworking machines has a sepn. channel with openings to filter bags through which most of the transport air returns to the room, and an inlet end with a curved part for centrifugal sepn. of the waste according to wt. Longitudinal partition(s) in the sepn. channel are parallel to the axis of curvature of the curved part, with an end lying at or near the entry end of the channel. Preferably there are 2 or more such partitions, of decreasing length, starting from theone furthest from the axis of curvature; this partition ends in the region of an outlet opening from the sepn. channel having an area smaller than the channel's cross sectional area. The heavy part of the waste is forwarded through the channel without deposition on its floor.
Patent DE-2445288-A1 (DE)
Title: Prefabricated plastics shower and toilet cubicle - is fitted with shower basin shaped to form base space of water closet
Inventor: GRUMBACH EMIL
IPC: A47K4/00
Filed: 1974-09-21
Abstract: In a prefabricated small cell unit for sanitary installations pref. in an area under one square metre, the object is to provide a shower and a water closet, so that these can be economically installed even in old houses, hotels, guest-houses and other buildings where space is restricted. The water closet and shower basin are shaped so that the base area for the former is formed by the latter. The cubicle walls are pref. made of light water-resistant material, in one piece or in the form of panels, and with a door or curtain which can be closed from inside. All the sanitary fittings, together with paper dispenser, are pref. supplied as integral components of the unit, and dimensions are such that it can be transported as a whole through several storeys and through normal doorways.
Patent DE-2447778-A1 (DE)
Title: Continuous polyethylene terephthalate prepn. - preventing solid oligomer deposition in cooler during spray-glycol cooling
Inventor: FICHTNER WOLFGANG DIPL ING
IPC: C08G63/78
Filed: 1974-10-07
Abstract: Continuous polyethylene terephthalate prodn., with cooling of glycol leaving reactors by means of liq. glycol in spray-condensers and cooling of spray-glycol used, takes place by precipitating solid oligomer particles from spray-glycol to be cooled and transferring them, in coolant, to a spray-chamber, esp. a liq./liq. spray-column. Spray glycol is cooled by direct contact with a coolant, having density higher or lower than that of the glycol, and solubility behaviour of which allows sepn. of solid oligomer particles from cooling cycle. Deposition of solid oligomer particles in cooler is prevented, thus saving cleaning and running costs.
Patent DE-2448261-A1 (DE)
Title: Pilot signal recognition and signalling circuit - has pilot signal applied to selective amplitude limiting amplifier
Inventor: WIEDEMANN KURT
IPC: H04B3/10
Filed: 1974-10-10
Abstract: The amplifier is followed by a band-pass filter tuned to the pilot frequency and subcritically coupled. Its primary and secondary circuits deliver rectified voltages applied to a differential circuit which, when a pilot signal is present, delivers a control voltage to a recognition circuit. The pilot signal is amplitude modulated with identification frequencies. When its level is low, a first rectifier stage is used as a first demodulator. When its amplitude rises, a stage of the amplitude, limiting amplifier is used as a second demodulator. Identification frequencies obtained in the two demodulators are applied to a recognition and evaluation stage.
Patent DE-2448744-A1 (DE)
Title: Optical system for digital optical beam-addressed store - is for spatial separation of data matrix and receiver matrix
Inventor: SCHLICHTING JOHANNES DIPL PHYS
IPC: G11C13/04
Filed: 1974-10-12
Abstract: An optical system is provided for the projection of the direct holographic image onto the receiver matrix and for the creation of equal conditions applying to all places in the storage medium in relation to the load frequency range. Further optical systems are provided to direct the reference beam. The system includes four large and two small lenses, two reflector mirrors and a reflection prism.
Patent DE-2448769-A1 (DE)
Title: Front or rear support for safety ski bindings - using boot holder with swivel support on relatively rigid section of ski
Inventor: SITTMANN GEB VOESTER BRIGITTE
IPC: A63C9/085
Filed: 1974-10-12
Abstract: Front or rear support device for safety ski bindings which releases the ski boot against a holding spring under strong cross forces or when strong vertical forces are applied. The support device uses a boot holder which has a swivel support on a relatively rigid section of the ski through a side or vertical support lever arm. The support point (D) of the holding spring (18) lies on the boot holder (22) behind the swivel point (a) in the ski's longitudinal direction in relation to the boot on a relatively rigid section of the ski (11). The design reduces transverse movement of the holding spring to a minimum.
Patent DE-2452913-A1 (DE)
Title: Grab bucket for dredging sludge - avoids driving bucket shells to deeply though striking at high speed
Inventor: IWATA HISAO
IPC: B66C3/02
Filed: 1974-11-07
Abstract: The grab bucket particularly suitable for dredging the bottom of the sea, rivers, lakes, etc. is provided with bottom plates at the lower portion of a framework from the bottom of which pivotally hand a pair of bucket shells, whereby the bottom plates cooperate with the bucket shells to shield their upper openings when they are swung upwards about their pivotal portions to put their respective confronting edges tightly together in a conventional manner. The washing out action of the content contained in the bucket shells usually caused by the surrounding water as they move in the water can be effectively avoided, because the openings of the bucket shells are substantially closed by the bottom and cover plates.
Patent DE-2452955-A1 (DE)
Title: Conveying trough fitted with vibrator drive - has vertically adjustable cone below silo outlet vibrating with the trough
Inventor: HAGEN HORST
IPC: B65D88/66
Filed: 1974-11-08
Abstract: The trough is used for conveying powdery or granular goods and it is fitted with a vibrator drive which includes a cone (4) which is mounted on the bottom of the conveying trough (3) below the outlet opening (5) of the silo on the material outlet side. The cone (4) is vertically adjustable and is vibrated by the drive with the conveying trough at the same frequency, so as to dislodge the material in the feed hopper and cause it to run down onto the vibrating conveyor trough (3). The vibrating gear (2) is mounted underneath the trough and the cone (4) is mounted on a spindle extending through the bottom of the trough.
Patent DE-2454756-A1 (DE)
Title: Indicator glass in split tube motor pump - has axial indicator on runner projecting into its hollow space
Inventor: KRAEMER ROLAND DR RER NAT
IPC: F04D15/00
Filed: 1974-11-19
Abstract: Split tube motor pump with a runner control device which incorporates an indicator glass. On the runner an axial indicator element (4) is provided, which projects into a corresponding hollow space (14) of an indicator glass (5). On the indicator glass (5) marks (18) are provided which run axially to the hollow space (14). The indicator element (4) forms a centrally flowing extension of the drive shaft (6) and is screwed to it. In the area of the indicator instrument (3) an adjustable throttle device is provided for the appropriate part flow of the delivery medium. The throttle is adjustable from the outside, and comprises an axially adjustable throttle bolt.
Patent DE-2504495-A1 (DE)
Title: Regulating valve for uniform flow distribution - has closure element with thermostatic regulator with throttling effect amplifier
Inventor: NIEMES WILFRIED
IPC: G05D23/02
Filed: 1975-02-04
Abstract: The regulating valve with two conical closure elements has one closure element which is provided with a thermostatic regulator without using external actuating energy. This valve is used to ensure uniform flow of heating system water to heating elements. The second cone on the double spindle ensures amplification of the throttling effect in relation to the temperature without acting as a closing element. The movement range of the thermostatic regulator can be limited and the regulator can be moved by an adjusting spindle.
Patent DE-2508770-A1 (DE)
Title: Resonance burner with mixing and resonance tube - has mixing tube with cold and hot zone connected by flange
Inventor: HUBER LUDWIG DIPL ING DR ING
IPC: F23C15/00
Filed: 1975-02-28
Abstract: The resonance burner has a combustion chamber which is supplied with fuel and combustion air by a valve. Burner has an igniter and a resonance tube is connected to the combustion chamber. A mixing tube is fitted between the air valve and combustion chamber. The highly efficient and reliable burners are used as non-motorised burners for preheating engines and for vehicle heating and also for swimming pool heating. The mixing tube (2) consists of an external, cold part (5) and internal, hot part (8) which are connected by a flange (7) on the burner housing. This arrangement is readily replaced when the fuel is changed. A given fuel is prepared for each firing pulse and the ignition delay is correctly adjusted.
Patent DE-2511994-A1 (DE)
Title: Planet gear with chain-driven auxiliary planet wheels - produces indexing motion for rotary table
Inventor: BLECHSCHMIDT KLAUS
IPC: F16H57/10
Filed: 1975-03-19
Abstract: The indexing table which is used for a manufacturing process is driven by an epicyclic gear. The sun wheel (4) and the planet wheel carrier (3) can rotate relative to one another. Two pneumatic brakes are provided to stop either the sun wheel or the planet wheel carrier (3). Equally-spaced planet wheel shafts (8) carry auxiliary pulleys or chain wheels in a common plane. They are all linked by a belt or chain drive which includes a motor and a tensioning element. By alternative stopping of the two brakes (17, 18) the components on the index table are moved from one station to the next.
Patent DE-2512431-A1 (DE)
Title: Tractor with automatic control for four wheel drive - has saw-tooth coupling flanges to engage front wheel drive if rear wheels slip
Inventor: WINTER AUGUST
IPC: B60K17/35
Filed: 1975-03-21
Abstract: The main gear box of the tractor has special angled gears (17, 18) driving the front axle via saw tooth coupling flanges, normally held out of mesh. The driven bevel gear (18) has axial movement and is pushed in either direction by the torque on the driving gear (17) in both forward and reverse drive. Normally the front axle turns faster than the rear axle and the saw tooth flanges de-couple the drive to the front wheels. If, however, the rear wheels spin then the rear axle speed exceeds that of the front axle and saw tooth flanges engage to transmit torque to the front axle.
Patent DE-2517300-A1 (DE)
Title: Recovery and purificn of (meth)acrylonitrile - with recycle of aq. quench stream in ammoxidn process
Inventor: WU HSIN CHIH
Filed: 1975-04-18
Abstract: In the recovery and purificn. of (meth)acrylonitrile obtd. by ammoxidn. of propylene (isobutylene) by (a) quenching the reactor effluent gases with an aq. stream, (b) recovering HCN and (meth)acrylonitrile as an aq. soln., (c) concentrating the soln. from (b) by distilling water/impurities, (d) distilling the concentrate to remove HCN as overheads, and (e) removing the bottoms or a side-stream, in the HCN distn., to a decanter to form an aq. and org. layer (of (meth)acrylonitrile), the improvement is that the aq. layer is removed from the decanter at (e) and directly contacted with the reactor effluent in the quench column at (a). The amt. of acid needed, to neutralise excess ammonia breaking through in the reactor effluent, is reduced; the aq. stream is utilised, thus reducing disposal problems.
Patent DE-2517913-A1 (DE)
Title: Ceramic seals on moving metal parts - where seal contains expansion zones providing resistance to thermal shock
Inventor: WEBER KNUT
IPC: F16C33/24
Filed: 1975-04-23
Abstract: Contact seal for parts which move w.r.t. each other, and where one sealing surface consists of a ceramic layer on one of the moving parts. The ceramic layer is interrupted in the axial direction of the seal by expansion zones possessing a larger coefft. of thermal expansion, and a higher thermal conductivity, than the ceramic layer. One moving part is pref. provided with an intermediate sprayed coating followed by a continuous expansion zone provided with grooves on its surface, each groove being separate and filled with ceramic. Used as seals for rotating or oscillating parts such as pump shafts, shaft liner bushes, or plungers, where the seals can now be used at high temps. The ceramic gives excellent service but has only moderate resistance to thermal shock when used on metals, the ceramic flaking off due to difference in thermal expansion. The invention permits the parts to expand or contract without cracking the ceramic.
Patent DE-2518200-A1 (DE)
Title: Cage for rolling element bearing - is discontinuous ring of plastics with metal filler to increase centrifugal force
IPC: F16C33/56
Filed: 1975-04-24
Abstract: Cage for rolling element bearing comprises a discontinuous ring, where apertures for the reception of the rolling elements are so dimensional that when the ring opens under centrifugal force the apertures engage the surfaces of the elements without play. the cage is made of plastics to which is admixed a filler of higher specific gravity than the plastics, particularly a metal in granular or powder form. The cage is for a bearing supporting a gear wheel on a shaft relative to which the gear wheel is optionally free or fixed. The filler provides the mass necessary to expand the cage under centrifugal force.
Patent DE-2519266-A1 (DE)
Title: Telescopic truck loading arm - has integral conveyor belt turn over piston to assist stacking of sacks
Inventor: GUILLON JEAN-PAUL
IPC: B60P1/36
Filed: 1975-04-30
Abstract: A telescopic loader arm has an integral conveyor belt to load sacks onto the platform of a truck. At the free loader arm end, a conveyor extension is hinged to the arm so that it can swivel in a horizontal and vertical plane. At the free end of extension, a hydraulic piston is attached which turns the sacks that come of the conveyor in a longitudinal direction. In this way they fall on top of the stack which is being formed. Since the loader arm can reach any point of the truck platform from the rear end of the truck, it can load a lorry without removing its covers.
Patent DE-2522646-A1 (DE)
Title: Deflashing appts. for miniature moulded parts - for computer industry, has cryogenic shaking abrader chamber
Inventor: KERWIN WILLIAM S
IPC: B29C37/02
Filed: 1975-05-22
Abstract: Flash is removed from small moulded plastic articles by shaking in a container loaded with small metal bits. Appts. comprises a cylindrical container with domed ends, which is angularly oscillated a bout an axis normal to the axis of the container. Esp. for miniature parts for the computer industy, e.g. rubber rings or other parts of very hard durable material such as Delrin (RTM) or glass filled nylon. Flash can be reduced to less than .0005 inch so that the parts are interchangeable in assembly without any hand fitting.
Patent DE-2524061-A1 (DE)
Title: Turbo vacuum pump with magnetically supported rotor - has stops to limit maximum axial and radial deflection of rotor
Inventor: BECKER WILLI DR
IPC: F16C39/06
Filed: 1975-05-30
Abstract: The turbo vacuum pump has a magnetically supported rotor and stops which limit the maximum axial and radial deflection of the rotor. The rotor has two sections, which, with corresponding elements in the housing, form two bearings which guide the rotor simultaneously axially and radially. One of the elements arranged in the housing is axially movable and against a spring force is held at a small spacing from the rotor with the aid of an electro-magnet. At both shaft ends, the rotor has truncated cone-shaped bearing journals of wear resistant material, and the corresponding bearing bushes are arranged in the pump housing.
Patent DE-2532166-A1 (DE)
Title: Semi-electronic relay store in computer - performs dependent control of regulating elements and reciprocal interlock
Inventor: BAUMANN WERNER
IPC: G05B19/08
Filed: 1975-07-18
Abstract: The unlinked variable (il to in) are passed as input information (i) to the regulating and monitoring elements, and the unlinked variables (zi, to zin) are passed as intermediate information (zi) to the logic elements (Dl to Dn) of the relay store to the line plane (x) for input and intermediate information. The number of tracks corresponds to the total of all the information. In this line plane for the input and intermediate information connectors are located, and their contacts are connected by the line plane in the same sequence. The plugs of these connectors form further line planes for the processing and storage of information and their number corresponds to the number of tracks.
Patent DE-2537577-A1 (DE)
Title: Position regulation of geosynchronous or geostationary satellites - using two or more mirrors exposed to sun radiation for independence from propellant supply carried
Inventor: TRUEMPER MICHAEL DIPL ING
IPC: G05D1/08
Filed: 1975-08-22
Abstract: Position regulation of geosynchronous or geostationary satellites independent of propellant supply carried uses two or more mirrors. The mirrors are exposed to the radiation of the sun in order to use the solar pressure. They are arranged at a distance from the centre of gravity of the satellite. The mirrors (6) have the same mirror surfaces, and are equidistant from the centre of gravity of the satellite. The mirrors are effective in exercising a torque on the satellite. If the mirrors are in the same plane as the two solar cell arms, the torque will not be exercised by the mirrors.
Patent DE-2551042-A1 (DE)
Title: Compander with good characteristic limit behaviour - has compressor comprising amplifier with multiplier in negative feedback loop
Inventor: KANNE ELMAR
IPC: H03G7/00
Filed: 1975-11-13
Abstract: The compander has high accuracy even at the limits of its transfer characteristics. It consists of a compresser comprising an amplifier with a multiplier in its negative feedback path. The AC output voltages of the compresser are applied to both inputs of the multiplier. The expander has an identical multiplier in its voice path. The expander's output voltages are applied to both inputs of this multiplier. One expander or compressor output voltage is applied via a rectifier and time constant circuit to one of the inputs of the multiplier.
Patent DE-2554066-A1 (DE)
Title: Torsionally adjustable door hinge - has tubular pivot pin containing spring with end plugs
Inventor: MAYR GERHARD
IPC: E05F1/12
Filed: 1975-12-02
Abstract: The torsion spring-loaded hinge assembly consists of outer hinge plates (10) with a central hinge plate (12). The outer hinge plates each consist of a sleeve (13) and fixing plate (14). The central hinge plate also has a sleeve (15) and fixing plate (16). The two outer plates are fixed to the door frame, and the intermediate plate is fixed to the door leaf. The inner and outer hinge sleeves contain a tubular hinge pin (17) containing a torsion spring (21) with its top end fixed to a lateral pin (19) penetrating the tensioning plug (18). By turning the plug in the required direction the tension of the spring (21) is altered. During tensioning, the tubular hinge pin rotates with the plug, but the bottom end of the spring remains stationary, as it is fixed to the bottom plug, which in turn is rigidly fixed to its sleeve by a lateral pin.
Patent DE-2559639-A1 (DE)
Title: Inorganic fillers for elastomers - in which filler is treated with insoluble metal silicate to improve effect of silane coupling agent
Inventor: WILLIAMS THOMAS CHARLES
IPC: C09C3/00
Filed: 1975-06-04
Abstract: Fillers are treated with 0.1-20 wt.% metal silicates which are insoluble in water. The fillers are the carbonates and/or sulphates of Ba, Ca, Mg, Zn, Sr and/or Be. The metal silicates are the pptd. silicates of Al, Ba, Be, Cd, Ca, Co, Cu, Fe, Pb, Li, Mn, Mg, Hg, Ni, Ag, Sr, Sn, Zn, Zr and/or the rare earths with atomic no. 57-71. The pref. filler is naturally occurring CaCO3 treated with pptd. calcium silicate. The metal silicate pref. has a ratio metal oxide/SiO2 below 3.1; and 0.3-10% of metal silicate is pref. used w.r.t. the CaCO3. Fillers are sensitive to silane coupling agents used e.g. in rubbers. Fillers which are inactive w.r.t. the silane couplers are made active and improved the physical properties of the elastomers.
Patent DE-2604620-A1 (DE)
Title: Height control for car seat - has rotating cam and selective chain drive operated by sprung ratchet
Inventor: VO HANS WERNER
IPC: B60N2/18
Filed: 1976-02-06
Abstract: The car seat is supported on a rotating cam plate (38) whose angular setting determines the height of the seat. The cam is coupled to drive cog by a spring loaded chain drive and is operated by a control lever (16) which couples to the chain wheel by a sprung ratchet (27). The seat is lowered by a second lever (15) to operate the chain drive in the opposite direction. The seat has continuous adjustment with the raising force reduced by a long lever (16). The lowering control is by a shorter lever (15) also in continuous control. The amount of angular setting of the cam is limited by a pin and slot coupling.
Patent DE-2605381-A1 (DE)
Title: Pocket altimeter with meter transmitter and indicator - comprises graduated dial, pointer and pointer revolution indicator visible through transparent cover glass
Inventor: EGGER WALTER
IPC: G01C5/06
Filed: 1976-02-11
Abstract: The pocket altimeter has measuring, transmission and indicating elements comprising graduated dial, pointer and pointer revolution indicating elements, which are fixed in the housing. The graduated dial consists of a rotary height unit scale. A mark (19) is coupled friction-tight to the height unit scale but is adjustable in relation to it. The housing base (1) supports a mechanism holding ring (2) which is retained by means of individual studs (1a). The enlargement (1b) of the studs (1a) projects into the groove (2a) of the mechanism holding ring (2). A spring clip (3) retains the mechanism plate (4) on the mechanism holding ring (2) where it is secured.
Patent DE-2610047-A1 (DE)
Title: Automatic flame scarfing of slabs - using burner flames impinging on all four surfaces of the slab
Inventor: ZELEY JUAN A
IPC: B23K7/06
Filed: 1976-03-11
Abstract: A row of burners form a frame moving along the surface of the slab. Before the slab reaches these burners, other burners, using a flat burner nozzle or a row of nozzles, are employed to create a flame front moving in a transverse direction to deseam the front end of the slab. Each of the latter burners is pref. mounted on a moving trolley or slide, and four burners are pref. employed, i.e. one for each of the four surfaces on the slab. The burners are pref. mounted in the slag and fume extn. unit located immediately in front of the first series of burners. The system ensures that the front end of a slab can be automatically scarfed.