baber/WOPTO huggingface dataset:
Patent DE-4111113-A1 (DE)
Title: Phthalocyanine sensor for nitrous oxide detection - purified in heating phase whenever sensor resistance drops below preset value or varies with time by more than preset value
Inventor: RUMP HANNS
IPC: G01N27/12
Filed: 1991-04-03
Abstract: Phthlocyanine sensor is for detecting NOx in air, in which the phthalocyanine layer is periodically purified by increasing its temp.. Measuring phase is replaced by a heating phase whenever the sensor reistance drops below a preset value or varies with time by more than a preset rate. Phthalocyanine resistance change with time is used as a measure of the NOx concn.. Sensor reistance is periodically determined by an electronic processing and control unit and resistance changes during the measurement time being compared with stored values. Pref. the sensor operates at 70-100 deg. C and is purified at 150 deg. C.. ADVANTAGE - Available measuring time is used optionally by controlling the heating phase according to the NOx loading of the phthalocyanine layer
Patent DE-4111202-A1 (DE)
Inventor: GOSDOWSKI GERHARD ING GRAD
IPC: B23Q1/58
Filed: 1991-04-06
Abstract: A hydraulically-controlled linear displacement unit for industrial manufacturing robotal devices has a housing block in which are housed at least one working cylinder (15) for a piston (13) and guiding elements for at least one piston rod (12) and at least oneguiding rod (14). The housing block is composed of a guiding unit(10) and a driving unit (11) detachably interconnected and arranged one behind the other in the direction of the linear displacement, forming a compact unit in which the guiding unit (10) contains the guiding elements (16, 17) for the piston rod (12) and the guiding rod (14).
Patent DE-4112755-A1 (DE)
Title: Viewer for stereoscopic images - has two rotation elliptical mirrors, deflecting image beams from hollow body with image screen display
Inventor: JARKOWICZ RYSZARD
IPC: G02B27/22
Filed: 1991-04-19
Abstract: The image viewer for images, changing inposition with the head orientation, determined by a sensor, uses two rotation elliptical, hollow mirrors (4,5) deflecting image beams  transmitted from a hollow body (1) with a screen display (2), via a punctiform aperture (9). The deflation is such that the beam from the aperture are focussed in the eye pupil of the observer. Pref. the viewer contains a shutter (3). These may be a swivelling device (13,14) for the hollow body about the optical axis. Vibrations  (19) may be also provided. ADVANTAGE - Comfortable viewing, with adjustment to natural conditions.
Patent DE-4113350-A1 (DE)
Title: Candlestick in form of curved arm - is designed to allow any number of arms to be joined together
Inventor: MANNHART DANIEL
IPC: F21S13/12
Filed: 1991-04-24
Abstract: The candlestick for holding any desired number of candles is formed from a corresponding number of individual arms (2). Each arm is curved and increases in dia. from one end to the other.  The arm (2) has a socket at its larger dia. end to receive a candle (8). The arm (2) is supported on its smaller dia. end (9) and on a short leg (4) positioned below the candle socket. Each arm has a small socket in its upper surface near the smaller dia. end. This smaller socket can receive the foot (4) of a second arm (2) to enable the candles (8) to be arranged in a line or in any other arrangement. USE - Decorative candles.
Patent DE-4113719-A1 (DE)
Title: Bending-and lock seaming method for metal sheets - uses upsetting stage to reduce wall thickness of sheet in folding area before bending
Inventor: BRAUN ACHIM
IPC: B21D39/02
Filed: 1991-04-26
Abstract: A metal sheet (1) is crimped in the bending area (r, R) from an initial sheet thicness (D), to a residual sheet thickness (d). It is then bent, through up to a max. 180 degrees. The sheet consists of aluminium. Before bending, an internal sheet (5) is inserted, and the two are held together by lock-seaming. The residual sheet thickness is approx. 0.5-0.75 of the initial thickness. The bent section (10) of the metal sheets, may form part of a double-skin car door, and may be opposite to the rubber seal of the door frame. ADVANTAGE - Small folding radius.
Patent DE-4116323-A1 (DE)
Inventor: AICHHOLZ KLAUS
IPC: B65G47/82
Filed: 1991-05-16
Abstract: The invention relates to a device for discharging piece goods from a conveying line onto a discharging conveyor by means of a pushing strip which can be moved into the conveyor path. In order to produce a discharging device in which the reliability of discharging is increased while the discharging output and conveying speed remain high, it is proposed to articulate the front and rear ends of the pushing strip (3) each with an endless tension member (8) which is guided round two deflection roller (10, 11) which are rotatable about vertical roller axles (13) and which are synchronously driven, in such a way that the pushing strip (3) moves in the conveying direction at the same time as it pushes out the conveyed material. <IMAGE>
Patent DE-4117936-A1 (DE)
Title: Rotary piston compressor assembly - has two rotors coupled and rotated by oscillating plates
Inventor: CARIC ANDRO
IPC: F01C1/336
Filed: 1991-05-31
Abstract: The cylindrical outer rotor (2) surrounds and rotates synchronously with a parallel but eccentrically positioned inner rotor (1). The rotors (1, 2) are coupled by oscillating plates (4) mounted in cylindrical segments (3.1, 3.2) which allow linear reciprocating movement. During rotation working chambers are formed which consist of segments permitting thermal expansion, cooling and lubrication by means of a medium passing through an axial drilling (1.2) and radial ducts (1.3) in the inner rotor (1) and also via the side cover plate, through ducts in the plates (4.1) and outer rotor (2.31) to a cooling tank. From here it is pumped back to the inner rotor drilling (1.2). The side cover plate forms a seal against the rotor through pressure exerted by the working medium or a pump. USE/ADVANTAGE - For use in IC engines, pneumatic and hydraulic motors, pumps and compressors. Simple, reliable, relatively compact and quiet.  High thermal and mechanical efficiency.
Patent DE-4119464-A1 (DE)
Title: Hydraulically actuated friction clutch - is supplied with oil through fixed housing supported on hydraulic bearings
Inventor: LEIDENFROST REINHOLD DIPL ING
IPC: F16D25/0638
Filed: 1991-06-13
Abstract: The rotating shaft (2) is connected to an outer housing (26) by a hydraulically actuated clutch. The clutch hub (25), the actuating piston (22), and cylinder (21) all rotate with the shaft. The rotating cylinder is supplied with high pressure oil through holes (15, 16, 17), in the shaft, and these holes are connected to a fixed housing (1). The fixed housing is supported on the shaft (1) by two hydraulic bearings which are supplied with oil through annular chambers (3) which are separated from a central annular chamber (11) by narrow radial gaps (5). The central annular chamber receives a separate supply of oil through the pipe (29) and fitting (33). This oil then flows through the holes (15, 16, 17) to the clutch cylinder (21). USE/ADVANTAGE - Hydraulically actuated clutch with rapid actuation.
Patent DE-4121752-A1 (DE)
Title: Surfactant compsn. for aq. emulsions - contains orthophosphoric acid ester(s) of glycol ether(s) or alkylphenol polyglycol ether
Inventor: STEIBHOEFEL NORBERT
IPC: C09K23/00
Filed: 1991-07-01
Abstract: A surfactant contains (i) a mono-, di and/or tri-(alkyltetraglycolether) -orthophosphoric acid ester and/or salt, where the alkyl is 10-18C, and/or (ii) an alkylphenolpolyglycol ether with 5-10 EO. A cleaning compsn. pref. contains (i) and/or (ii) as emulsifier, and solvents, water, inhibitors, and the usual additives. The cleaning compsn. contains, as solvent, (a) an aliphatic solvent, (b) an aromatic solvent, (c) an alkoxyalkanol, (d) terpene/limonene, (e) a dibasic ester of formula H-(CH2)n-COO(CH2)n-COO-(CH2)n-H, (f) (iso)paraffin, (g) an alkyl acetate of formula H-(CH2)n-COO-(CH2)n-H, (h) a hydroxyalkyl acetate of formula H-(CH2)n-OH-COO-(CH2)n-H or isomers, (i) methylpyrrolidone or derivs., (j) an alcohol, (k) an ester, (l) a ketone, and/or (m) water. USE/ADVANTAGE - The compsn. improves the miscibility of solvents of differing nature and is used in preparing emulsions of these solvents in water (claimed). The solvents or mixts., and the emulsions are more stable. The cleaning power of the solvent is retained even after strong dilution with wÇ
Patent DE-4121874-A1 (DE)
Inventor: SCHUWERK FRITZ
IPC: F24F3/12
Filed: 1991-07-02
Abstract: The invention relates to a curative air conditioner which can be used for curing and alleviating health problems by producing a strengthening and health-promoting marine atmosphere. For simulation of the climatic conditions in the surf region a sea water supply (7), a spraying device (11) for generation of a spray mist of this sea water, an irradiation device (19) for generation of UV rays acting upon the air stream with the UV spectrum of sunlight and with inclusion of UV-A, UV-B and UV-C radiation, and a blower (8) for generation of a pure air stream passing through the spray mist and taking this along into the outer space are arranged in a housing (1, 2) having an insertion opening (14) for ambient air. In addition, an additional radiation source (18) for generation of UV-C radiation acting upon the sea water supplied to the spraying device (11) is inserted in a riser pipe (10) connecting the sea water supply (7) with the spraying device (11). In the preferred operation of the device, a temporal advance relative to the blower (8) and the spraying device (11) is provided for the radiation device (19) and for the additional radiation source (18), in order to guarantee sufficient sterility of the mist passed to the outside even after a fairly long service life of the conditioner in the charged state. <IMAGE>
Patent DE-4124616-A1 (DE)
Title: DC=DC converter operating at two switching frequencies - measures currents drawn by two transistor switching regulators, and adjusts higher frequency to minimise average deviation
Inventor: ALBACH MANFRED DR
IPC: H02M1/14
Filed: 1991-07-25
Abstract: The resistive load (9) and a smoothing capacitor (10) are connected to the output terminals (7, 8) of a transistor switching circuit (1) with a series inductor (4) and output rectifier (6). A second circuit (13) supplying much less power is switched at a significantly higher frequency and connected selectively to the same load (9) or another one (26). Its current (I2) corresponds on average to the difference between a set-point (29) and the instantaneous value of the major current (I1) measured (21) for comparison (27). ADVANTAGE - DC source is loaded with min. disturbing currents and its output is utilised as fully as possible.
Patent DE-4125200-A1 (DE)
Inventor: BERTHOLD THOMAS DR
IPC: C09K11/78
Filed: 1991-07-30
Abstract: A doped basic substance is applied to a substrate (11) of SiO2 glass. A coating of fluorescent material (12) is produced by the reaction of the basic substance with the SiO2 of the substrate (11) to form a silicate of said basic substance. This reaction is conducted in a tempering process in an oxygen-containing atmosphere. The basic substance is especially Zn or Gd.
Patent DE-4129115-A1 (DE)
Title: Steam-generation method using waste heat - involves superheating saturated stream generated in both heating stages
Inventor: PRIES WILHELM
IPC: F01K23/10
Filed: 1991-09-02
Abstract: The method uses waste heat to generate fresh steam, particularly for driving a turbine. A first heating stage generates lower-temperature steam, the saturated steam (D1) produced by it being superheated in the second to bring it to the desired temperature. The second stage also generates saturated steam (D2). This is combined with that from the first stage into saturated steam (D3) superheated in the second stage. ADVANTAGE - Improved efficiency without additional firing.
Patent DE-4130903-A1 (DE)
Inventor: BECKERS PAUL DIPL ING
IPC: G07C9/00
Filed: 1991-09-17
Abstract: This equipment is used, in particular, for a programmable electronic identification system and comprises a primary electrical unit supplied with power and activated electronically and a secondary electrical unit, these being coupled via inductive coupling elements and the primary unit sending out information-modulated power pulses which act on the secondary unit which exhibits a power supply and receiving system utilising the power pulses, the power supply system causing a reaction on the primary unit and the primary unit having means for generating high-energy inductive voltage pulses and for evaluating the reaction of the secondary unit on the primary unit. <IMAGE>
Patent DE-4137417-A1 (DE)
Title: Artillery shell with circumferential groove for guide ring - has width of groove increased in order to fit sealing ring and guide ring which is protected against explosion during transport by protection ring
Inventor: ALTENAU ERNST-WILHELM DIPL ING
IPC: F42B14/02
Filed: 1991-11-14
Abstract: The groove (9) has an additional ridge (10) and an additional recess to receive a guide ring (11) of greater width when the plastic sealing ring (12) is removed from behind the initially installed guide ring. The guide ring is protected during transport with a protection ring (16). The explosive with which the shell is filled is a mixture of hexogen and TNT or could be a LOVA explosive which is an insensitive explosive. ADVANTAGE - Artillery shell with widened groove to receive a sealing ring.
Patent DE-4142971-A1 (DE)
Title: Vacuum switch box used for heavy duty switch - comprises chamber sealed with metallic lid carrying switching pieces surrounded by central screen
Inventor: PILSINGER GUENTER
IPC: H01H33/662
Filed: 1991-12-24
Abstract: Vacuum switch box has an insulating, cylindrical chamber sealed with a metallic lid penetrated by movable bolts and carrying switching pieces, which are surrounded by a central screen. The novelty is that the central screen is made of an oxide ceramic matrix, in which ZrO2 is inserted; or a whisker-reinforced oxide ceramic matrix; or a mixed oxide ceramic; or a nitride ceramic, esp. Si3N4 Al2O3; or an oxide foam ceramic; or a cermet; or ceramic granules; or highly pure electrographite. USE/ADVANTAGE - Used for a heavy duty switch. The central screen protects the isulating chamber from metal vaporisation in an electric arc and is resistant to changes in temp.
Patent DE-4202369-A1 (DE)
Inventor: HASPEL RAINER
IPC: C03C3/102
Filed: 1992-01-29
Abstract: An ageing-resistant glass for ultrasonic delay lines contains, in percent by weight: SiO2: 40-50; B2O3: 0-10;  Al2O3: 0.1-3; P2O3: 0-2; Li2O: 0-2; Na2O: 0-1; K2O: 1-5; Alkali oxides: 1-5; MgO: 0-2; CaO: 0-2; SrO: 0-2; BaO: 0.5-5; ZnO: 0-2; allkaline earth oxides + ZnO: 0.5-5; La2O3: 0-2; Ta2O5: 0-2; WO3: 0-2; ZrO2: 0-2; TiO2: 0-2; PbO: 45-55; F:0-1; La2O3 + Ta2O5 + WO3 + ZrO2 + TiO2 + F: 0-2, and refining agent(s) up to 0.5% by wt. Such glass may be used as a delay medium for delay lines in colour televisions and video recorders, and radar direction-finding, control electronics, electronic computers.
Patent DE-4206861-A1 (DE)
Title: Conical roller cage for conical roller bearing - comprises inner and outer ring crowns, and rib crown for distancing rollers and connection of both crowns which have cylindrical edges
Inventor: SOZZI FABRIZIO
IPC: F16C33/46
Filed: 1992-03-05
Abstract: The cage is fitted on the inner ring of the bearing, and the lower surface of the inner crown is in contact with the track crown of smaller dia. of the inner ring, whilst the lower surface of the outer crown is in contact with the track crown of greater dia. of the inner ring. The equally spaced ribs are located in accordance with the cover lines of an imaginary cone adapted to the ring crowns. On each rib is a pair of vanes which are spread upwards. The vanes are sprung inwards, render possible the insertion of a cone roller in the empty space between two successive ribs. In operation, the blunt conical rollers roll, making contact with the inner and outer rings of the bearing, so that a convenient relative rotation occurs between these two components. ADVANTAGE - A cone roller cage for a conical roller bearing
Patent DE-4213032-A1 (DE)
Title: Output tray proof sheets extracting device for printing machine - has front guides for stack swung away allowing proof sheet to slide across stack by kinetic energy
Inventor: ZIMMERMANN HANS
IPC: B65H29/58
Filed: 1992-04-21
Abstract: The device consists of front guides establishing the front edge of the stack, retractable auxiliary guides (4) and the stack retainer in the form of retractable fingers (6) above the stack. The front guides are swung out of the way after the auxiliary guides are swung in so that the front guides make way for the arriving proof sheet. Through its residual kinetic energy, this sheet is delivered beyond the front edge of the stack. Almost simultaneously, the fingers are retracted over the proof sheet. On both sides of the auxiliary guide, there are fans (5) which blow against the sheet delivery direction. The end of the extraction operation is signalled by a light barrier (7) arranged above and below the fingers (6). ADVANTAGE - Utilises kinetic energy of proof sheet to help in its extraction.
Patent DE-4216750-A1 (DE)
Title: Refuse collection vehicle with tipping unit - has delivery and compression plate operated by two hydraulic cylinders arranged at the upper section behind closable collection container
Inventor: FECHNER ERNST
IPC: B65F3/00
Filed: 1992-05-21
Abstract: A further plate (2) hinged at the top is fitted so that it can be locked and unlocked to seal the collection container at its rear. A rear or a filling part (5) is made ready by lowering the supports (6). This rear part is held up by two hooks and is locked by a locking unit (7). Following the unlocking of the lock (7) and the release of the electrical and hydraulic connections. The rear part can be parked on the extended and fixed supports (6). The driver can tip the container until the hooks (8) and freed to release the filling or rear part (5). In this case the hydraulic and electrically connections are previously released. The release of the hooks (8) can be made by lowering the vehicle chassis to shock absorbers. A trough (11) guided at the sides in the rear part (5), is moved up and down hydraulically controlled, to convey the refuse upwards. ADVANTAGE - Facilitates container change and transport of container, whilst permitting handling of individual bins.
Patent DE-4217708-A1 (DE)
Title: Plastic foil hose of elastic polymer - is closed in finite lengths by plugs contg. aerating and venting devices for hose interior
Inventor: SCHLESINGER CHRISTIAN
IPC: B29C65/56
Filed: 1992-06-01
Abstract: The plug (2) are of polyurethane and the venting device is formed as a valve of the clack type. Each plug (2) has a cylindrical part (6) and a face side (5) and the hose end is drawn over the cylindrical part and fixed to it. The cylindrical part has a bead-type ring groove (7) in which the hose material is formed and connected (adhered, laminated or bound). The valve in the face side (5) is either central or towards the edge. The face side is arched towards the hose interior. The foil (4) is laminated with textile material (3) using flexible adhesive (reaction adhesive). The hose (1) has a sandwich-type structure comprising foil (4), textile (3), foil (4). The proportion of hardener in the adhesive is less than 10%. USE/ADVANTAGE - A plastic foil hose which is comparatively simple to fill with air and to empty.
Patent DE-4232205-A1 (DE)
Title: Valve control appts. for vehicle antilocking braking system - has resin mass between components of each valve coil and between valve coil and housing frame of control device
Inventor: SCHOETTL JOHANNES DIPL ING
IPC: H05K7/14
Filed: 1992-09-25
Abstract: The control device for electromagnetically operated valves has a housing provided by a housing frame (1) and a cover containing at least one valve coil with a wound coil former (17) and a yoke ring (19). Each of the valve coils is electrically coupled to a circuit board for a valve control circuit. The intermediate spaces between the components of each valve coil and between each valve coil and the housing frame are filled with the same region mass (3), for fixing their position relative to the housing frame. ADVANTAGE - Compensates for mfg. tolerances of valve block and allows easy assembly.
Patent DE-4232354-A1 (DE)
Title: Pontoon bridge or ferry-boat pontoon with spaced floats - has bridge element with film access ramps on either side, linked by two=part couplers
Inventor: SCHIFFMANN KLAUS
IPC: E01D15/14
Filed: 1992-09-26
Abstract: The bridge etc. floats carry a superstructure, consisting of several bridge elements (1, 1`) with access ramps (2, 2`) at both ends. The bridge elements with the firm access rams are linked by a two-part coupler (3, 3`), whose one half is folded over one access ramp. The coupler halves are secured to the bridge elements by clamping ties (5). The two halves of the coupler are linked by a hinge bolt (6) for a limited swivel movement. USE/ADVANTAGE - Simple, releasable coupling of the pontoon bridge elements taking up the swivelling action caused by the waves.
Patent DE-4232888-A1 (DE)
Title: Switch contact arcing control for power switching device - combines movement of contacts carrier with overload device having isolator inserted to limit arcing.
Inventor: KOPRIVSEK MITJA
IPC: H01H73/18
Filed: 1992-09-30
Abstract: A power switching device has one contact (33) on a fixed carrier and another (23) on a movable carrier (22). In this condition the current flow normally. If a short circuit condition occurs the movable element moves along an arc about a pivot point (A) and the contacts separate. At the same time a curved isolating wall (5) is inserted between the contact carriers and the arcing length is reduced to extinguish the arc. When an overload occurs the pin (41) of trigger stage (4) responds to cause the unit to respond and causes contact opening. ADVANTAGE - EM force simultaneously opens contacts and moves separating wall.
Patent DE-4233945-A1 (DE)
Inventor: EIBA PETER
IPC: G07F17/32
Filed: 1992-10-08
Abstract: To provide for a range of variations in the play and for rapid modification, servicing and, if need be, repair of electronic games, an electronic games system is proposed wherein the electronic game (2, 12, 22...) is linked to an external computer (4) by means of a data line (5) and an interface (6, 16, 26...). Preferably, a number of electronic games of throwing (2, 12, 22...) are connected to one computer (4) so that direct comparisons of many players or contestants can be done with speed and precision using the computer.
Patent DE-4234757-A1 (DE)
Title: Shut=off valve for service supply hose - has supply line with shut=off valve comprising sliding sleeves with shut off against spring force
Inventor: POHLE HELMUT
IPC: F16K17/36
Filed: 1992-10-15
Abstract: The security valve is for the supply lines to loading, extracting and transport machinery in mining and tunnel building. The hose carrying water, pressurised air or other services, is such that the supply hose (5) has a shut-off valve (10). The shut-off valve acts to close the flow when the tension loading in the supply line becomes dangerous. The valve comprises pipe sleeves (11,12) which slide over each other, with connections (14,16) at either end to the supply hose with a transfer (19) between sleeves which closes against spring force (18). USE/ADVANTAGE - For supply lines to loading, extraction and transport machinery in mining and tunnel building, simple, secure shut-off valve avoiding overloading of supply hose.