baber/WOPTO huggingface dataset:
Patent CA-1278611-C (CA)
Title: Phase controlled demodulator for digital communications system
Inventor: OTANI SUSUMU
IPC: H04L27/227
Filed: 1988-06-29
Granted: 1991-01-02
Abstract: "Phase Controlled Demodulator for Digital Communications System"                          ABSTRACT OF THE DISCLOSURE In a phase controlled demodulator, a modulated digital input signal is demodulated into quadrature signals with a carrier recovered by a voltage controlled oscillator. A phase difference between the quadrature signals is detected by a phase detector of Costas loop and applied through a loop filter to the voltage controlled oscillator to control the frequency and phase of the recovered carrier when the frequency deviation between the received and recovered carriers is within a phase control range. When the frequency deviation exceeds beyond the phase control range, the output of the phase detector is a beat of the two carriers and a frequency sweep control voltage is applied to the VCO to search for a missing carrier. The magnitude of the beat is detected and compared with a predetermined threshold value. When the frequency deviation is far beyond the control range, the magnitude of the beat is lower than the threshold, but exceeds it at the instant the demodulator enters the control range, whereupon the frequency sweep control voltage is removed from the VCO.
Patent CA-1297301-C (CA)
Title: Method for treatment of dust recovered from off gases in metallurgical processes
Inventor: AUNE JAN A
IPC: C22B7/02
Filed: 1988-07-04
Granted: 1992-03-17
Abstract: METHOD FOR TREATMENT OF DUST RECOVERED FROM OFF GASES IN METALLURGICAL PROCESSES     Abstract of the Disclosure The method for treating the dust entails the following steps:      (a)  supplying a combination of dust, a reducing agent and flux to a gastight electrothermic smelting furnace, (b)  smelting, reducing and volatilizing certain metals in the smelting furnace, (c)  tapping of an inert slag phase and a liquid metal phase from the smelting furnace, (d)  continuous removal from the smelting furnace of a gas phase containing chiefly CO-gas, metal fumes, sulphur, chlorides and fluorides together with entrained unreacted dust, (e)  further treatment of the gas phase.       The process produces an inert slag phase which can be safely deposited in a landfill.  The process also allows for recovery of valuable metal components from the dust.
Patent CA-1290478-C (CA)
Inventor: CAPUTO WILLIAM R
IPC: B66B1/28
Filed: 1988-07-14
Granted: 1991-10-08
Abstract: ABSTRACT OF THE INVENTION         A method for providing a load compensation signal for the drive motor control loop of a traction elevator system which includes an elevator car, a counterweight, and a drive which includes a drive motor, brake,  and traction drive sheave.  The brake is mounted to provide an indica-tion of the direction of unbalanced brake torque, with the method including the  step of detecting unbalanced brake torque when the elevator car is stationary.  A car load compensation signal is provided in response to the detect-ing step,  with the compensation signal  transferring the unbalanced  torque  from  the  brake  to  the  drive  motor, building up the motor current  to  provide  motor  torque sufficient  to  hold  the  car  stationary while the brake torque is reduced to zero.  The method then continues by using the motor current to provide car loading signals for use by the supervisory control portion of the  elevator system.
Patent CA-1332293-C (CA)
Title: Automatic aseptic sampling apparatus
Inventor: SEIFERT GUNILLA K E
IPC: G01N33/14
Filed: 1988-09-01
Granted: 1994-10-11
Abstract: TITLE AUTOMATIC ASEPTIC SAMPLING APPARATUS           INVENTORS GUNILLA K.E. SEIFERT   PAUL P. MATTEAU             ABSTRACT OF THE DISCLOSURE            There is disclosed a system for taking uniform sterile liquid samples from bioreactors or other containers. The system comprises a three-way valve connected to the bioreactor via a check valve and to a reversible peristaltic pump which is also connected to a waste liquid vessel. The operation of the pump causes, first, the liquid from the bioreactor to be drawn into the system and fill the tubing while excess liquid overflows into the waste liquid vessel.  The reverse operation of the pump causes the volume of liquid that remains in the system to be dis-charged through the three-way valve into a sample recep-tacle.  The return of sampled liquid to the bio-reactor and the contamination of the system from outside are prevented.  The system may be operated manually or controlled automatically.  It can be useful for sampling of sterile streams e.g. in the food and beverage or pharmaceutical industry.
Patent CA-1307827-C (CA)
Title: Surface mounting corrosion probe
Inventor: HLADKY KAREL
IPC: G01N17/00
Filed: 1988-09-16
Granted: 1992-09-22
Abstract: ABSTRACT      A surface mounting corrosion probe comprising a frame adapted for securing to a surface of a reinforced concrete structure, and a resilient pad arranged such that when the frame is secured to such a structure a front surface of the pad is pressed against the structure surface. A reference electrode is located centrally relative to the front surface of the pad so as to contact the surface of any structure against which the pad is pressed.  An annular portion of the front surface of the pad which extends radially outwards from the centre towards adjacent the periphery of the pad is electrically conductive, and a terminal is provided which is electrically connected to that annular portion.   Corrosion monitoring instruments are connected to the terminal and the reference electrode to monitor corrosion of reinforcement beneath the surface of a structure to which the frame is secured.
Patent CA-1302565-C (CA)
Title: Apparatus and method for use in simulating operation and control of a railway train
Inventor: NICKLES STEPHEN K
IPC: G09B9/04
Filed: 1988-11-09
Granted: 1992-06-02
Abstract: Abstract of the Disclosure An apparatus for use in a railway train simulator inclu-des a control station which has a first microcomputer for receiving and transmitting, via a conventional transmission protocol, train simulation signals to a second microcom-puter.  The second microcomputer provides master control for the apparatus.  The second microcomputer is adapted to link with and operate from multiple control stations and multiple computer control terminals.  Information is provided in an enhanced manner through one or more color graphics ter-minals, plotters and printers.  Displays of simulated trains and track sections can be displayed at different, selectable scales.
Patent CA-1288188-C (CA)
Title: Adhesive blends and composite structures
Inventor: JACHEC KEVIN V
IPC: C09J123/06
Filed: 1988-11-16
Granted: 1991-08-27
Abstract: ADHESIVE BLENDS AND COMPOSITE STRUCTURES                 ABSTRACT OF THE DISCLOSURE           Adhesive blends especially suitable for adhesion to polypropylene and gas barrier materials are disclosed, as are composite structures incorporating such blends, and methods of making such composite structures. The blends are preferably elastomer free, and comprise a mixture of an adhesion-promoting amount of an ethylene homopolymer, a non-elastomeric graft copolymer of polypropylene and a graft monomer comprising a polymerizable, ethylenically unsaturated carboxylic acid or derivative, and the balance a substantially non-elastomeric ethylene/propylene copolymer wherein ethylene comprises at least 5 wt. % of the copolymer.
Patent CA-1304700-C (CA)
Title: Mobile storage system with improved driving assemblies
Inventor: LEIST ALAN R
IPC: B65G1/10
Filed: 1988-12-08
Granted: 1992-07-07
Abstract: MOBILE STORAGE SYSTEM WITH IMPROVED DRIVING ASSEMBLIES               ABSTRACT OF THE DISCLOSURE A mobile storage system including a plurality of one-piece track members each defining a guideway and a series of longitudinally spaced holes.  The system also includes a carriage rotatably supported on the track members on rollers riding in the guideways.  A drive mechanism on the carriage includes a sprocket which directly engages the unitary holes in each track member.  In a preferred embodiment for heavy units, the drive mechanism includes a pair of such sprockets mounted on a common shaft driven at a midpoint to reduce carriage canting.
Patent CA-1328121-C (CA)
Title: Stored-spring-energy drive for a high-voltage circuit  breaker
Inventor: KUHN MAX
IPC: H01H3/30
Filed: 1988-12-09
Granted: 1994-03-29
Abstract: ABSTRACT OF THE DISCLOSURE         In a stored-spring-energy type actuator mechanism for a high-voltage circuit breaker, energy is stored in a spiral spring in order to switch on the circuit breaker and also to load a switch-off spring of the circuit breaker.  To store sufficient energy for more than one switch-on operation, a fluid-pressure accumulator is provided in which sufficient energy is stored to wind up the spiral spring at least one additional time through a fluid-pressure motor.  Between the pressure accumulator and the motor is a control valve which opens when the spiral spring is partly unloaded, causing the hydraulic motor to rewind the spring.
Patent CA-1310518-C (CA)
Title: Variable-speed power transmission device
Inventor: VALOTTO GIANNI
IPC: F16H47/04
Filed: 1988-12-29
Granted: 1992-11-24
Abstract: VARIABLE-SPEED POWER TRANSMISSION DEVICE       ABSTRACT OF THE DISCLOSURE      The  variable-speed power transmission device comprises an  input gearing for dividing the power into two  fractions having different and variable speeds. The first of these two fractions  is  transmitted directly to  an  output  gearing, while  the second is transmitted to a hydrostatic pump-motor assembly  which  varies  its speed and  then  to  the  above mentioned output gearing which recombines it with the first fraction.
Patent CA-1335816-C (CA)
Title: 4-pyridyl-1,3-dioxan-5-ylalkenoic acid derivatives
Inventor: BREWSTER ANDREW G
IPC: A61P9/08
Filed: 1989-02-08
Granted: 1995-06-06
Abstract: The invention concerns novel, pharmaceutically useful 1,3-dioxane alkenoic acid derivatives of the formula I containing a pyridyl moiety at position 4 of the dioxane ring and in which the groups at positions 2, 4 and 5 have cis-relative stereochemistry, X is hydrogen, alkoxy or hydroxy, Y is vinylene, n is 1 or 2, A1 is alkylene, R1 is a variety of substituents defined hereinafter, and R2 is hydroxy, a physiologically acceptable alcohol residue or alkanesulphonamido, and the pharmaceutically acceptable salts thereof.  The invention also includes processes for the manufacture and use of the acid derivatives as well as pharmaceutical compositions for therapeutic use in one or more of a variety of diseases such as ischaemic heart disease, cerebrovascular disease, asthmatic disease and/or inflammatory disease.
Patent CA-1302470-C (CA)
Inventor: BAKER GERALD N
IPC: H02K9/00
Filed: 1989-02-09
Granted: 1992-06-02
Abstract: Abstract of the Disclosure An electric motor ventilation structure having an interior fan with a dual concentric set of radially disposed blades located within an endshield of said motor in close proximity to the end of the rotor and stator assemblies within said endshield and to the other peripheral surfaces of said stator assembly within that endshield.  The disposition of said blades is such as to break the hot air boundary layer adjacent to each of said windings and cause the movement of heated air through the axial and radial endshield apertures to the external environment and replenishment with cooler air from that environment during motor operation.
Patent CA-1314130-C (CA)
Title: High torque hydraulic shoe bolt wrench
Inventor: MORIKI YASUMITSU
IPC: B25B23/14
Filed: 1989-02-21
Granted: 1993-03-09
Abstract: ABSTRACT OF THE DISCLOSURE       A hydraulic shoe bolt wrench used to mount and remove shoe bolts which secure shoes to a track chain.  The apparatus comprises a vertical cylinder stood upright on a frame moving on a work table, a main frame secured to a piston rod of the vertical cylinder,  a wrench socket  driving shaft vertically projected below the main frame, a low speed high torque motor and a reduction gear provided on the driving shaft.  Pressure oil is supplied to the high speed low torque motor and high pressure oil is supplied to the low speed high torque motor.          Switching of the high speed low torque motor to the low speed high torque motor is carried out by a pressure switch disposed in a low pressure hydraulic circuit.
Patent CA-1319553-C (CA)
Title: Long nip press roll
Inventor: STEINER KARL
IPC: D21F3/02
Filed: 1989-02-23
Granted: 1993-06-29
Abstract: LONG NIP PRESS ROLL            ABSTRACT OF THE DISCLOSURE          A long nip press roll for removing water from a traveling fiber web.  A rigid support beam has at least one recess in its periphery for receiving a radi-ally movable hydraulically operated press shoe.  A flexible tubular press shell is wrapped around the sup-port beam and the press shoe.  The concave outer sur-face of the press shoe presses the press shell against a backing roll for pressing upon a fiber web against a felt belt passing through the nip.  The press shell has a smooth outer surface in contact with the web.  At its outlet side from the press nip, the press shoe has a convexly curved guide surface over which the press shell and the paper web travel together and that guide surface is also wrapped for a distance by the felt belt.  This separates the web from the felt belt and the web travels around on the press shell.  A ledge in-side the press shell and/or a removal roll at the out-side of the press shell separate the web from the out-side of the press shell.  Plural press shoes defining plural press nips may be provided.
Patent CA-1319235-C (CA)
Title: Mold for skin covered foamed plastic molding
Inventor: MIZUNO HISAYOSHI
IPC: B29C44/38
Filed: 1989-03-28
Granted: 1993-06-22
Abstract: ABSSTRACT OF THE DISCLOSURE    A mold for skin covered foamed plastic molding capable of preventing penetration of the liquid foam resin to be poured on a skin cover without manual operation of target plate or use of double side adhesive tapes, and also capable of improving the efficiency of manufacturing process. The mold includes an element removably attached on the upper mold below the injection hole, for receiving the liquid foam resin before the liquid foam resin falls on the skin cover.
Patent CA-1327834-C (CA)
Inventor: SNELLING CHRISTOPHER
IPC: G06K15/12
Filed: 1989-04-03
Granted: 1994-03-15
Abstract: ABSTRACT OF THE DISCLOSURE          A high speed digital ionographic printer having a rotatable charge receptor, an ion source with ion discharge slot opposite the charge receptor, a cylindrical screen about the ion source composed of a conductive substrate with tiny holes and a photoconductive cover layer, parts of the screen riding against the charge receptor so that the screen rotates at the same velocity as the charge receptor, a screen charge corotron, and a laser writing beam which is scanned line by line across the moving screen to write latent electrostatic images thereon which thereafter modulate the flow of ions through the slot in accordance with the latent electrostatic image written on the screen.
Patent CA-1328235-C (CA)
Inventor: MACALUSO VINCENT A
IPC: B65D5/35
Filed: 1989-04-10
Granted: 1994-04-05
Abstract: ABSTRACT    A packing container for lengthy articles in which U-shaped base and cover units, formed from lamin-ated paperboard, are arranged so that the sidewalls of the base unit fit within the sidewalls of the cover unit when the two are assembled.  End caps close off the open ends of the container when the base unit and the cover unit are assembled.
Patent CA-1307556-C (CA)
Title: Suspension structure for a tracked vehicle
Inventor: PRICE ROBERT J
IPC: B62D55/104
Filed: 1989-05-08
Granted: 1992-09-15
Abstract: Abstract Suspension Structure for a Tracked Vehicle A vehicle such as a combine harvester or the like includes a main frame, a track roller frame pivotally connected to the main frame, a drive wheel including a hydraulic drive motor having a housing and a rotatable shaft assembly, and an equalizer bar connected in a first embodiment to the shaft assembly by a coupling device including an anti-friction bearing and a trunnion member having a pair of pivot pins arranged along a substantially horizontal and longitudinally extending axis.  In a second embodiment the equalizer bar is connected to the housing by another coupling device including a trunnion member having a pair of similarly oriented pivot pins. In each instance the transversely oriented equalizer bar is arranged along the transversely oriented central axis of the drive wheel, which provides a very stable 3-point frame suspension that is also rugged and economical and has a minimal tendency to collect mud or debris on the upper surfaces thereof in use.
Patent CA-1338759-C (CA)
Inventor: WATSON ANGUS A
IPC: C25F1/00
Filed: 1989-06-19
Granted: 1996-12-03
Abstract: A process and apparatus is provided to remove protective layers, such as various chromate coatings from metal sheets such as printed circuit boards, copper foils and the like, in a continuous manner while the articles are being conveyed along a predetermined path, by subjecting the same to an electric cur-rent, to electrolytically remove the layers.
Patent CA-1315131-C (CA)
Inventor: AVERY BENNETT W
IPC: B60K17/32
Filed: 1989-07-18
Granted: 1993-03-30
Abstract: Abstract Balanced Free-Planet Drive Mechanism A balanced free-planet drive mechanism includes a reaction ring gear, an output ring gear, an input sun gear arranged along a central axis, and a plurality of floating planet elements individually having a first planet gear engaged with the sun gear, a second planet gear engaged with the output ring gear, and a third planet gear engaged with the reaction ring gear.  A required first rolling ring gear resists radially inward movement of the planet elements adjacent the third planet gear, and an optional second rolling ring gear resists radially inward movement of the planet elements adjacent the first planet gears to maintain the planetary elements essentially parallel to the central axis.  A plurality of ring segments are connected to the output ring gear and engage a groove in each of the planet elements to maintain the planet elements in a preselected axial position and to transmit relatively low thrust forces.  The drive mechanism is easy to assemble in a ground-engaging wheel of a truck or the like, with the output ring gear being connected to rotate with the wheel.  The incorporation of the drive mechanism in a wheel eliminates the usual planet carrier and planetary bearings associated with a conventional multi-stage planetary final drive, and is lighter in weight and less costly while fitting compactly within the same general space envelope.
Patent CA-1321476-C (CA)
Title: Automotive air conditioning system
Inventor: SAKANO RIICHI
IPC: B60H1/00
Filed: 1989-07-31
Granted: 1993-08-24
Abstract: AUTOMOTIVE AIR CONDITIONING SYSTEM          ABSTRACT OF THE DISCLOSURE      An automotive air conditioning system according to the present invention includes a heat pump circuit comprising a first heat exchanger and a second heat exchanger. The first heat exchanger provides cooled or heated air to a passenger compartment. The sec-ond heat exchanger is provided with an outside air inlet path that conducts outside air to the second heat exchanger. Passenger com-partment air is also conducted to the second heat exchanger by an air conducting path. The flow of air from the passenger compartment and the outside is selectively conducted to the second heat exchanger by a damper that responds to air flow demand.
Patent CA-1316872-C (CA)
Title: Round bale trailer
Inventor: PETERS FRANCIS A
IPC: A01D90/08
Filed: 1989-08-21
Granted: 1993-04-27
Abstract: Abstract of the Disclosure A round bale trailer includes a trailer that travels in a hay field in the same direction that the field is normally worked to approach round hay bales in a direction perpendicular to the bales' axes.  A U-shaped fork on the round bale trailer engages three sides of the bale.  A closing arm on the fork closes to engage the bale on the fourth side.  Continued motion of the trailer causes the fork and bale to rotate together 90 degrees about a vertical axis such that the fork closes to nest within a generally U-shaped frame.  A hydraulic cylinder immediately operates to pivot the frame and fork to a vertical attitude, such that the bale rolls off the fork and onto the trailer.  Pivoting the frame to the horizontal attitude automatically opens the fork by means of a spring.  All the bales are unloaded at one time by an unloading mechanism that tilts the trailer such that the bales roll off one side thereof.
Patent DK-150924-C (DK)
Inventor: HUETTLIN HERBERT
IPC: A61J3/00
Filed: 1982-07-13
Granted: 1988-03-14
Abstract: A dragee-making drum, whose axis of rotation is at least approximately horizontal, has an at least approximately cylindrical shell and two at least approximately frustum-shaped end wall portions adjoining either end of the shell. These end wall portions extend into the space enclosed by the shell and terminate in annular zones whose axial distance from one another is considerably smaller than the axial length of the shell. It is thereby achieved that the dragee-making material is spread between the frustum-shaped end wall portions. This gives rise to frictional forces which, in addition to the frictional forces that are caused by gravity and are the only forces having effect in known dragee-making drums, tend to entrain the dragee-making material in an upward direction as the drum rotates. Consequently, at a given speed of rotation of the dragee-making drum, the dragee-making material ascends further and above all more uniform, in order to then finally spill down again.
Patent FI-83089-C (FI)
Inventor: NEEF GUENTER
IPC: C07J41/00
Filed: 1985-12-03
Granted: 1991-05-27
Abstract: 1. 13 alpha-alkylgonanes of general formula I  see diagramm : EP0186834,P6,F4  wherein R represents an acyl radical having up to 10 C atoms and X represents an oxygen atom or the grouping N apprch OH.
Patent FI-81219-C (FI)
Inventor: HILLMANN WILLI
IPC: E21F13/02
Filed: 1986-01-30
Granted: 1991-11-26
Abstract: A trackless, center-pivot underground vehicle is described, which has a tractor section, which is driven by an electric motor, which is powered via a sliding contact line, a current collector device, which is movable along the contact line line, and a supply cable, which is electrically and mechanically connected to the current collector device and adapted to be unwound from a reel against a restoring force. An improved mobility of the vehicle and a large width range throughout the range of travel are ensured by the combination of the following features: a. the supply cable is connected to the current collector device by a slip ring member, which is rotatable about a vertical axle; b. a helically winding cable reel is mounted on the tractor section and rotatable about a vertical axle, which is provided with a slip ring member; c. a guide arm is coaxially arranged with respect to the cable reel and adapted to be pivotally movable by hydraulic means; and d. a hydrostatic axial piston transmission is coupled to a three-phase a.c. motor.
Patent FI-82676-C (FI)
Inventor: KUSTER HANS-WERNER
IPC: C03B23/035
Filed: 1987-09-24
Granted: 1991-04-10
Abstract: Method of bending a glass sheet heated to the shaping temperature employing a hot gas stream of wide cross-section, by means of which the glass sheet is pressed against a bending form. According to this process the velocity of the stream components travelling radially along the glass sheet is decreased at least in chosen regions of the glass sheet by virtue of baffles placed in the path of these stream components and in that the static pressure component of the stream is increased in these regions of the glass sheet. <IMAGE>