mhurhangee/patent-ind-claim-en huggingface dataset:
Pitch regulating mechanism for a vertical axis wind turbine arranged to regulate the pitch of a blade of the wind turbine in dependence of wind force acting on the wind turbine, wherein the pitch regulating mechanism comprises: - a first part , - a second part , and - a torsional spring assembly ; wherein the first part is arranged to be connectable to a blade support structure of the wind turbine, the second part is arranged to be connectable to a blade , wherein the second part is pivotally coupled to the first part and the torsional spring assembly is arranged between the first part and the second part and arranged to exercise a pivotal spring force on the first and second parts in two opposite rotational directions, characterized in that the torsional spring assembly has a first stiffness in the first rotational direction and a second stiffness in the second rotational direction, and in that the first stiffness has a lower value than the second stiffness. - a first part , - a second part , and - a torsional spring assembly ;
A phase adjustment method to be carried out by a sending device, comprising: obtaining (S201) phases and amplitudes of M symbols, wherein M is an integer greater than 1, and the phases of the M symbols are respectively φ 1 , φ 2, ..., and φ M ; and adjusting (S202) a phase φ i of each of the M symbols to θ i , wherein 1≤i≤M, and i is an integer; and when i=1, θ 1 = φ 1 ; or when 2≤ i ≤ M , θ i = φ i + φ sum ( i -1, A th ), characterised in that A th indicates a preset amplitude threshold, and φ sum ( i -1, A th ) indicates a sum of phases of all symbols whose amplitudes are greater than the amplitude threshold A th in a first symbol to an (i-1) th symbol. obtaining (S201) phases and amplitudes of M symbols, wherein M is an integer greater than 1, and the phases of the M symbols are respectively φ 1 , φ 2, ..., and φ M ; and adjusting (S202) a phase φ i of each of the M symbols to θ i , wherein 1≤i≤M, and i is an integer; and when i=1, θ 1 = φ 1 ; or when 2≤ i ≤ M , θ i = φ i + φ sum ( i -1, A th ), characterised in that A th indicates a preset amplitude threshold, and φ sum ( i -1, A th ) indicates a sum of phases of all symbols whose amplitudes are greater than the amplitude threshold A th in a first symbol to an (i-1) th symbol.
Method for controlling a compressor at a rock drilling apparatus, said rock drilling apparatus including a power source for driving a first consumer at a rock drilling process, said first consumer being the compressor and said compressor being arranged to operate according to a first mode and according to a second mode, wherein, in said first mode, the work produced by the compressor is arranged to be controlled by controlling the rotation speed of said compressor , and wherein, in said second mode, the work produced by the compressor is arranged to be controlled by controlling the air flow at the compressor inlet , the method including: - determining a parameter value representing a demand of work from said compressor, - controlling the compressor according to said first mode when said parameter value representing a demand of work from said compressor exceeds a first demand, and - controlling the compressor according to said second mode when said parameter value representing a demand of work from said compressor is lower than said first demand, - wherein said rock drilling apparatus includes at least a second consumer being driven by said power source , wherein the method further includes determining the lowest speed of said power source that is required for operation of said at least one second consumer , - wherein control according to said second mode is performed when said parameter value is below the work that the compressor delivers at the said determined lowest speed of said power source , and - wherein control according to said first mode is performed when said parameter value equals or exceeds the work that the compressor delivers at said determined lowest speed of said power source . - determining a parameter value representing a demand of work from said compressor, - controlling the compressor according to said first mode when said parameter value representing a demand of work from said compressor exceeds a first demand, and - controlling the compressor according to said second mode when said parameter value representing a demand of work from said compressor is lower than said first demand, - wherein said rock drilling apparatus includes at least a second consumer being driven by said power source , wherein the method further includes determining the lowest speed of said power source that is required for operation of said at least one second consumer , - wherein control according to said second mode is performed when said parameter value is below the work that the compressor delivers at the said determined lowest speed of said power source , and - wherein control according to said first mode is performed when said parameter value equals or exceeds the work that the compressor delivers at said determined lowest speed of said power source .
Spindle assembly (S) for a machine tool having a machine tool spindle which can be set in rotation by means of a first rotary drive and in which an internally located shaft rotatably mounted relative to the machine tool spindle is arranged, wherein the spindle assembly (S) is combined with a coupling assembly which has an axially displaceably arranged first gearwheel (Z1) and a second rotary drive , - wherein the first gearwheel (Z1) couples the machine tool spindle to the shaft in a first end position in such a way that the machine tool spindle and the shaft rotate at the same speed, and - characterized in that the first gearwheel (Z1) couples the shaft to the second rotary drive in a second end position, wherein a rotational speed can be transmitted by the second rotary drive to the shaft which is different from the rotational speed of the machine tool spindle , so that a tool which can be actuated and is accommodated in the spindle assembly (S) can be radially adjusted by a differential rotational speed between the machine tool spindle and the shaft rotatably mounted therein. - wherein the first gearwheel (Z1) couples the machine tool spindle to the shaft in a first end position in such a way that the machine tool spindle and the shaft rotate at the same speed, and - characterized in that the first gearwheel (Z1) couples the shaft to the second rotary drive in a second end position, wherein a rotational speed can be transmitted by the second rotary drive to the shaft which is different from the rotational speed of the machine tool spindle , so that a tool which can be actuated and is accommodated in the spindle assembly (S) can be radially adjusted by a differential rotational speed between the machine tool spindle and the shaft rotatably mounted therein.
A system for treating a tissue site , comprising: a fluid hub ; a plurality of elongate fluid members positioned in fluid communication with the fluid hub , each of the plurality of elongate fluid members comprising a proximal end , a distal end , and an elongate side between the proximal end and the distal end , the elongate side extending outward from the fluid hub ; a separable joint coupled between the elongate side of one of the plurality of elongate fluid members and the elongate side of another of the plurality of elongate fluid members ; a pneumatic connector in fluid communication with the plurality of elongate fluid members ; and a reduced-pressure source adapted to be positioned in fluid communication with the pneumatic connector characterized in that each of the plurality of elongate fluid members further comprise at least one fluid lumen defined by at least a portion of a dressing film , wherein the dressing film comprises a first dressing film and a second dressing film , and wherein the at least one fluid lumen is defined between the first dressing film and the second dressing film, and the at least one fluid lumen is positioned between the proximal end and the distal end , and wherein the at least one fluid lumen carries at least a portion of a dressing manifold , the dressing manifold comprising foam. a fluid hub ; a plurality of elongate fluid members positioned in fluid communication with the fluid hub , each of the plurality of elongate fluid members comprising a proximal end , a distal end , and an elongate side between the proximal end and the distal end , the elongate side extending outward from the fluid hub ; a separable joint coupled between the elongate side of one of the plurality of elongate fluid members and the elongate side of another of the plurality of elongate fluid members ; a pneumatic connector in fluid communication with the plurality of elongate fluid members ; and a reduced-pressure source adapted to be positioned in fluid communication with the pneumatic connector characterized in that each of the plurality of elongate fluid members further comprise at least one fluid lumen defined by at least a portion of a dressing film , wherein the dressing film comprises a first dressing film and a second dressing film , and wherein the at least one fluid lumen is defined between the first dressing film and the second dressing film, and the at least one fluid lumen is positioned between the proximal end and the distal end , and wherein the at least one fluid lumen carries at least a portion of a dressing manifold , the dressing manifold comprising foam.
A vacuum cleaner comprising: a surface cleaning head including a dirty air inlet ; a brush supported by the surface cleaning head ; and a control circuit to operate the vacuum cleaner , the control circuit including a motor coupled to and operable to cause movement of the brush , a sensor to sense a voltage associated with motor current indicative of an amount of carpet load restricting the brush , a comparator to determine whether the voltage is less than a reference voltage , the reference voltage being less than a voltage value associated with motor current indicative of an excess carpet load, and a switch controlled in response to the determination, including the switch being controlled with a first pulse-width-modulated (PWM) duty cycle when the voltage is less than the reference voltage and being controlled with a second PWM duty cycle when the voltage is greater than the reference voltage to restrict the current to the motor , the second PWM duty cycle being less than the first duty cycle, and the second PWM duty cycle being non-zero. a surface cleaning head including a dirty air inlet ; a brush supported by the surface cleaning head ; and a control circuit to operate the vacuum cleaner , the control circuit including a motor coupled to and operable to cause movement of the brush , a sensor to sense a voltage associated with motor current indicative of an amount of carpet load restricting the brush , a comparator to determine whether the voltage is less than a reference voltage , the reference voltage being less than a voltage value associated with motor current indicative of an excess carpet load, and a switch controlled in response to the determination, including the switch being controlled with a first pulse-width-modulated (PWM) duty cycle when the voltage is less than the reference voltage and being controlled with a second PWM duty cycle when the voltage is greater than the reference voltage to restrict the current to the motor , the second PWM duty cycle being less than the first duty cycle, and the second PWM duty cycle being non-zero. a motor coupled to and operable to cause movement of the brush , a sensor to sense a voltage associated with motor current indicative of an amount of carpet load restricting the brush , a comparator to determine whether the voltage is less than a reference voltage , the reference voltage being less than a voltage value associated with motor current indicative of an excess carpet load, and a switch controlled in response to the determination, including the switch being controlled with a first pulse-width-modulated (PWM) duty cycle when the voltage is less than the reference voltage and being controlled with a second PWM duty cycle when the voltage is greater than the reference voltage to restrict the current to the motor , the second PWM duty cycle being less than the first duty cycle, and the second PWM duty cycle being non-zero.
A positive electrode composite material for a lithium ion secondary battery is a positive electrode composite material to be used for a positive electrode of a lithium ion secondary battery, the positive electrode composite material comprising: a particulate positive electrode active material composed of a lithium composite oxide having a layered crystal structure including at least lithium, and a conductive oxide, wherein a particulate region where primary particles of the conductive oxide are aggregated, and a film-shaped region where the conductive oxide is formed in a film shape adhere to at least a part of the surface of the positive electrode active material, an average particle diameter of primary particles in the particulate region based on cross-sectional TEM observation is 0.6 nm to 55 nm, in cross-sectional TEM observation of the film-shaped region, no particles with a particle diameter equal to or greater than 0.3 nm are observed, and there are no voids equal to or greater than 2 nm, a film thickness based on cross-sectional TEM observation of the film-shaped region is 0.5 nm to 50 nm, the conductive oxide is ruthenium oxide or a lanthanum manganese cobalt composite oxide, and the positive electrode active material is a lithium nickel cobalt manganese composite oxide. a particulate positive electrode active material composed of a lithium composite oxide having a layered crystal structure including at least lithium, and a conductive oxide, wherein a particulate region where primary particles of the conductive oxide are aggregated, and a film-shaped region where the conductive oxide is formed in a film shape adhere to at least a part of the surface of the positive electrode active material, an average particle diameter of primary particles in the particulate region based on cross-sectional TEM observation is 0.6 nm to 55 nm, in cross-sectional TEM observation of the film-shaped region, no particles with a particle diameter equal to or greater than 0.3 nm are observed, and there are no voids equal to or greater than 2 nm, a film thickness based on cross-sectional TEM observation of the film-shaped region is 0.5 nm to 50 nm, the conductive oxide is ruthenium oxide or a lanthanum manganese cobalt composite oxide, and the positive electrode active material is a lithium nickel cobalt manganese composite oxide.
A fan comprising: - an impeller including a boss serving as a center of rotation and a plurality of blades provided on an outer circumferential surface of the boss ; and - a structure member installed on an upstream side of the impeller in an airflow direction, the plurality of blades each have a plurality of recesses disposed only on a side of a suction surface of a leading edge, the plurality of recesses each having a rectangular shape having two longitudinal sides, wherein the plurality of recesses each are longitudinal in a direction perpendicular to the leading edge, and wherein the plurality of recesses are each disposed at a position where a wake flow interferes with the leading edge of each of the plurality of blades , the wake flow being a flow of air created behind the structure member whereby when the plurality of blades are viewed in a direction of a rotating axis, one of the plurality of recesses is disposed at a position where the one of the plurality of recesses is overlapped by the structure member over at least a quarter of an entire circumference during one rotation of the plurality of blades and whereby the plurality of recesses are disposed also at a position of the leading edge of the blades which approach the structure member to a distance of 1/20 or less of a diameter of the blades . - an impeller including a boss serving as a center of rotation and a plurality of blades provided on an outer circumferential surface of the boss ; and - a structure member installed on an upstream side of the impeller in an airflow direction, the plurality of blades each have a plurality of recesses disposed only on a side of a suction surface of a leading edge, the plurality of recesses each having a rectangular shape having two longitudinal sides, wherein the plurality of recesses each are longitudinal in a direction perpendicular to the leading edge, and wherein the plurality of recesses are each disposed at a position where a wake flow interferes with the leading edge of each of the plurality of blades , the wake flow being a flow of air created behind the structure member whereby when the plurality of blades are viewed in a direction of a rotating axis, one of the plurality of recesses is disposed at a position where the one of the plurality of recesses is overlapped by the structure member over at least a quarter of an entire circumference during one rotation of the plurality of blades and whereby the plurality of recesses are disposed also at a position of the leading edge of the blades which approach the structure member to a distance of 1/20 or less of a diameter of the blades .
Heat exchange module comprising: a corrugated top heat exchange substrate and a corrugated bottom heat exchange substrate , the substrates being spaced apart in a transverse direction (T), each substrate having ridges and channels that extend in a length direction (L), the channels and ridges of the top substrate extending parallel to the channels and ridges of the bottom substrate , tubes (8; 23, 24, 25) extending in a width direction (W) between the top and bottom substrates , in heat exchanging contact with the ridges , the width direction (W) being oriented transversely to the length direction (L) of the channels and the ridges, from an inflow side to an outflow side , a top and a bottom casing member comprising casing surfaces adjacent the top and bottom substrates characterized in that said top and bottom casing members having at the inflow and outflow sides a transverse side wall with slits oriented in the transverse direction (T) and accommodating the tubes (8; 23, 24, 25), the side walls of the top and bottom casing members overlapping and being mutually connected by soldering or brazing. a corrugated top heat exchange substrate and a corrugated bottom heat exchange substrate , the substrates being spaced apart in a transverse direction (T), each substrate having ridges and channels that extend in a length direction (L), the channels and ridges of the top substrate extending parallel to the channels and ridges of the bottom substrate , tubes (8; 23, 24, 25) extending in a width direction (W) between the top and bottom substrates , in heat exchanging contact with the ridges , the width direction (W) being oriented transversely to the length direction (L) of the channels and the ridges, from an inflow side to an outflow side , a top and a bottom casing member comprising casing surfaces adjacent the top and bottom substrates characterized in that said top and bottom casing members having at the inflow and outflow sides a transverse side wall with slits oriented in the transverse direction (T) and accommodating the tubes (8; 23, 24, 25), the side walls of the top and bottom casing members overlapping and being mutually connected by soldering or brazing.
An elongated toy weapon comprising a handle and an elongated blade , and extending longitudinally between opposite ends from a bottom end formed at the handle to a top end formed at the blade, wherein at least the blade comprises a plurality of thin layers (6, 6a, 6b, 6b', 6b", 6c, 106, 106a, 106b, 106b', 106b", 106c) extending in the longitudinal direction, and wherein each layer is attached to an adjacent layer, characterised in that the handle and the blade are made substantially from a fibre material in the form of felt, and in that two adjacent layers (6, 6a, 6b, 6b', 6b", 6c, 106, 106a, 106b, 106b', 106b", 106c) are adhesively bonded to each other, and at least some of the layers (6, 6a, 6b, 6b', 6b", 6c, 106, 106a, 106b, 106b', 106b", 106c) are attached to each other by stitching, where at least one layer is stitched to an adjacent layer by at least one edge seam following an edge of the layer.
A method for producing a composite prepreg base (a) comprising a raw prepreg base (a') composed of a fiber sheet of discontinuous reinforcing fibers having a fiber length of 1 to 300 mm and arranged in one direction and a matrix resin impregnated into the fiber sheet, and an additional resin layer formed on at least one of the surfaces of the raw prepreg base (a'), which comprises the steps of: (1-a) preparing a prepreg base comprising a fiber sheet of continuous reinforcing fibers arranged in one direction and a matrix resin impregnated at least partly into the fiber sheet, (1-b) forming an additional resin layer on at least one of the surfaces of the prepreg base prepared in the step (1-a), and (1-c) forming cuts into the prepreg base having the additional resin layer formed in the step (1-b) to form discontinuous reinforcing fibers having a fiber length of 1 to 300 mm from the continuous reinforcing fibers, wherein, when a pressing pressure is applied from above onto a layered base (b) obtained by laminating plural composite prepreg bases (a), a gap is formed in the interval between the ends of the adjacent discontinuous reinforcing fibers and the additional resin layer flows into the gap , filling the gap as resin . (1-a) preparing a prepreg base comprising a fiber sheet of continuous reinforcing fibers arranged in one direction and a matrix resin impregnated at least partly into the fiber sheet, (1-b) forming an additional resin layer on at least one of the surfaces of the prepreg base prepared in the step (1-a), and (1-c) forming cuts into the prepreg base having the additional resin layer formed in the step (1-b) to form discontinuous reinforcing fibers having a fiber length of 1 to 300 mm from the continuous reinforcing fibers, wherein, when a pressing pressure is applied from above onto a layered base (b) obtained by laminating plural composite prepreg bases (a), a gap is formed in the interval between the ends of the adjacent discontinuous reinforcing fibers and the additional resin layer flows into the gap , filling the gap as resin .