mhurhangee/ep-ind-claims huggingface dataset:
A vehicle control system for an internal combustion engine having a fuel injection valve for injecting fuel directly into a combustion chamber, the vehicle control system being configured to perform a fuel cut-off when a predetermined fuel cut-off condition is met during traveling of the vehicle to stop fuel injection from the fuel injection valve, and configured to resume the fuel injection from the fuel injection valve when a predetermined fuel cut-off recovery condition is met during the fuel cut-off, the vehicle control system being configured, upon elapse of a predetermined time after resuming the fuel injection from the fuel injection valve, to perform a rich spike operation that temporarily increases the fuel injection amount from the fuel injection valve, characterized in that, as a fuel cut-off period is longer, the predetermined time is controlled to be longer.
A threaded fastener comprising a fastener having a threaded portion with a major diameter portion, a leading flank having a normal angle (α) between 10° and 60°, a trailing flank having a normal angle (β) between 1° and 30°, and a shank portion extending between the trailing flank and the leading flank of adjacent threads, and at least one minor protrusion formed along at least a portion of the shank portion of the threaded portions positioned between the trailing flank and the leading flank of adjacent threads, characterized in that the shank portion comprises an arcuate surface having a radius greater than a thread height and wherein the minor protrusion does not comprise a thread-forming shape. a leading flank having a normal angle (α) between 10° and 60°, a trailing flank having a normal angle (β) between 1° and 30°, and a shank portion extending between the trailing flank and the leading flank of adjacent threads, and
A braking system for a wheel, the braking system comprising: a main braking system comprising a main disc stack; and an auxiliary braking system, the auxiliary braking system comprising: a torque tube defining a wheel axis; a housing configured to rotate around the wheel axis; a disc stack comprising: a plurality of rotor discs (79, 80, 81) rotationally coupled with the housing; and a plurality of stator discs (75, 76) coupled with the torque tube and interleaved with the plurality of rotor discs (79, 80, 81); and an actuator within the torque tube and configured to compress the disc stack; wherein the braking system further comprises control circuitry configured to receive a braking signal, wherein the control circuitry is configured to selectively cause the actuator to compress the disc stack and/or cause the main braking system to compress the main disc stack based on the braking signal. a main braking system comprising a main disc stack; and an auxiliary braking system, the auxiliary braking system comprising: a torque tube defining a wheel axis; a housing configured to rotate around the wheel axis; a disc stack comprising: a plurality of rotor discs (79, 80, 81) rotationally coupled with the housing; and a plurality of stator discs (75, 76) coupled with the torque tube and interleaved with the plurality of rotor discs (79, 80, 81); and an actuator within the torque tube and configured to compress the disc stack; a torque tube defining a wheel axis; a housing configured to rotate around the wheel axis; a disc stack comprising: a plurality of rotor discs (79, 80, 81) rotationally coupled with the housing; and a plurality of stator discs (75, 76) coupled with the torque tube and interleaved with the plurality of rotor discs (79, 80, 81); and a plurality of rotor discs (79, 80, 81) rotationally coupled with the housing; and a plurality of stator discs (75, 76) coupled with the torque tube and interleaved with the plurality of rotor discs (79, 80, 81); and an actuator within the torque tube and configured to compress the disc stack; wherein the braking system further comprises control circuitry configured to receive a braking signal, wherein the control circuitry is configured to selectively cause the actuator to compress the disc stack and/or cause the main braking system to compress the main disc stack based on the braking signal.
A spacing arrangement for a gas turbine engine, the arrangement comprising a first rotatable member (26, 42, 48, 54, 72, 98, 114) and a second non rotatable member (20, 94, 118) with a gap (36, 74, 102, 106, 110, 122, 130) defined between facing surfaces respectively on the first and second members the gap (36, 74, 102, 106, 110, 122, 130) being inclined relative to the rotational axis of the first member; characterised in that axial movement means (30, 40, 58, 64, 96, 104, 108, 112, 120, 126, 134) are provided in the form of a connecting member (30, 40, 58, 64, 96, 104, 108, 112, 120, 126, 134) which connects the first member (26, 42, 48, 54, 72, 98, 114) to a source of rotational movement, said axial movement means automatically causing axial movement of the first member (26, 42, 48, 54, 72, 98, 114) in a direction to tend to increase the gap (36, 74, 102, 106, 110, 122, 130) between the facing surfaces, in response to the rotational speed of the first member, said axial movement means being arranged such that centrifugal forces caused by rotation of the first member cause the axial movement.
A drill string rod to form part of an assembly of connected such drill string rods (1, 1b), the drill string rod comprising: an elongate central rod portion extending axially between a male end and a female end, wherein the central rod portion is hollow-cylindrical defined by an inner first diameter (d rod) and an outer second diameter (D rod), wherein the male end comprises a spigot, wherein the spigot comprises a base projecting axially from a shoulder that axially separates the spigot and the central rod portion, wherein the female end comprises a sleeve portion configured to fit to the spigot, wherein the base is provided with an outer thread and wherein the sleeve portion is provided with an inner thread, wherein the inner thread corresponds to the outer thread such that the inner thread of the sleeve portion is attachable to the outer thread of the base of the spigot of a further drill string rod of the assembly, wherein, in a radial plane to the longitudinal axis of the drill string rod, the base of the spigot is defined by an outer third diameter (D spigot) and an inner fourth diameter (d spigot) and the sleeve portion is defined by an outer fifth diameter (D sleeve) and an inner sixth diameter (d sleeve), wherein the second diameter (D rod) between 30-60 mm, wherein: C sleeve = D rod ⋅ D sleeve 4 − d sleeve 4 D sleeve ⋅ D rod 4 − d rod 4 C spigot = D rod ⋅ D spigot 4 − d spigot 4 D spigot ⋅ D rod 4 − d rod 4 wherein, and wherein C sleeve > 2.0 or C spigot > 0.6. an elongate central rod portion extending axially between a male end and a female end, wherein the central rod portion is hollow-cylindrical defined by an inner first diameter (d rod) and an outer second diameter (D rod), wherein the male end comprises a spigot, wherein the spigot comprises a base projecting axially from a shoulder that axially separates the spigot and the central rod portion, wherein the female end comprises a sleeve portion configured to fit to the spigot, wherein the base is provided with an outer thread and wherein the sleeve portion is provided with an inner thread, wherein the inner thread corresponds to the outer thread such that the inner thread of the sleeve portion is attachable to the outer thread of the base of the spigot of a further drill string rod of the assembly, wherein, in a radial plane to the longitudinal axis of the drill string rod, the base of the spigot is defined by an outer third diameter (D spigot) and an inner fourth diameter (d spigot) and the sleeve portion is defined by an outer fifth diameter (D sleeve) and an inner sixth diameter (d sleeve), wherein the second diameter (D rod) between 30-60 mm, wherein: C sleeve = D rod ⋅ D sleeve 4 − d sleeve 4 D sleeve ⋅ D rod 4 − d rod 4 C spigot = D rod ⋅ D spigot 4 − d spigot 4 D spigot ⋅ D rod 4 − d rod 4 wherein, and wherein C sleeve > 2.0 or C spigot > 0.6.
A method for locating a tag using a radio frequency identification (RFID) reader, comprising: A. the reader transmitting a signal to the tag on at least two frequencies and receiving a corresponding reflected signal; B. subjecting the reflected signal received to a combining operation to obtain a combined received signal, and mapping the combined received signal to a constellation point on a constellation diagram for the purpose of locating the tag; wherein the at least two frequencies comprise: a first frequency f1 and a second frequency f2; and the step of receiving a corresponding reflected signal in step A comprises: the reader obtaining a first received signal on the first frequency f1 at a first time, and obtaining a second received signal on the second frequency f2 at a second time, wherein the first time and the second time are different; and wherein the step of subjecting the reflected signal received to a combining operation to obtain a combined received signal in step B comprises: B1. obtaining a first in-phase component I1 and a first quadrature component Q1 from the first received signal, to construct a first signal vector V1 = I1 + jQ1; B2. obtaining a second in-phase component 12 and a second quadrature component Q2 from the second received signal, to construct a second signal vector V2 = Q2 + jI2; characterized by further comprising: B3. adding the first signal vector V1 and the second signal vector V2 together, to obtain a combined received signal vector V, wherein the step of mapping the combined received signal to a constellation point on a constellation diagram for the purpose of locating the tag in step B comprises: determining the tag distance d between the tag and the reader on the basis of a correlation between tag distance d and combined received signal vector V angle θ. A. the reader transmitting a signal to the tag on at least two frequencies and receiving a corresponding reflected signal; B. subjecting the reflected signal received to a combining operation to obtain a combined received signal, and mapping the combined received signal to a constellation point on a constellation diagram for the purpose of locating the tag; B1. obtaining a first in-phase component I1 and a first quadrature component Q1 from the first received signal, to construct a first signal vector V1 = I1 + jQ1; B2. obtaining a second in-phase component 12 and a second quadrature component Q2 from the second received signal, to construct a second signal vector V2 = Q2 + jI2; characterized by further comprising: B3. adding the first signal vector V1 and the second signal vector V2 together, to obtain a combined received signal vector V, B3. adding the first signal vector V1 and the second signal vector V2 together, to obtain a combined received signal vector V,
A multi-winding inductive device for a bi-directional DC-DC converter, comprising: a single magnetic core; and multiple windings wound round the single magnetic core, wherein the multiple windings comprise a first winding and a second winding in the same winding direction, the first winding is adapted to be electrically conductively connected to the second winding and has an incoming end and an outgoing end, and the incoming end or the outgoing end of the first winding comprises two shunt terminals (3221, 3222), wherein the multiple windings further comprise a third winding wound around the single magnetic core, the third winding is in a winding direction opposite to that of the first winding, characterized in that the third winding and the first winding have the same number of turns. a single magnetic core; and multiple windings wound round the single magnetic core, wherein the multiple windings comprise a first winding and a second winding in the same winding direction, the first winding is adapted to be electrically conductively connected to the second winding and has an incoming end and an outgoing end, and the incoming end or the outgoing end of the first winding comprises two shunt terminals (3221, 3222), wherein the multiple windings further comprise a third winding wound around the single magnetic core, the third winding is in a winding direction opposite to that of the first winding, characterized in that the third winding and the first winding have the same number of turns.
A method of receiving one or more wireless signals from one or more wireless devices via an antenna array comprising a plurality of antenna elements (112, 112 edge) including a plurality of edge antenna elements (112 edge) at one or more of the outer edges of the antenna array, the method comprising: processing a signal with a plurality of receiver block circuits by, for each receiver block circuit: receiving the signal by an antenna element of the antenna array; and amplifying the received signal using a variable gain amplifier to generate an amplified signal; combining the amplified signals output by the plurality of receiver block circuits using a combiner to generate a combined signal (S comb); setting a gain, using a gain control circuit, for each of the variable gain amplifiers responsive to the combined signal; and characterized by: comparing the power of the combined signal (S comb) to a threshold; and if the power of the combined signal exceeds the threshold, controlling the processing of each receiver block circuit (110 edge) in a set of edge receiver block circuits (110 edge) responsive to the combined signal, by reducing the gain of the edge receiver block circuits (110 edge to less than that of the remaining receiver block circuits, said set of edge receiver block circuits (110 edge) comprising one or more receiver block circuits with at least one edge antenna element (112 edge), and said set of edge receiver block circuits (110 edge) comprising fewer than the plurality of receiver block circuits. processing a signal with a plurality of receiver block circuits by, for each receiver block circuit: receiving the signal by an antenna element of the antenna array; and amplifying the received signal using a variable gain amplifier to generate an amplified signal; receiving the signal by an antenna element of the antenna array; and amplifying the received signal using a variable gain amplifier to generate an amplified signal; combining the amplified signals output by the plurality of receiver block circuits using a combiner to generate a combined signal (S comb); setting a gain, using a gain control circuit, for each of the variable gain amplifiers responsive to the combined signal; and characterized by: comparing the power of the combined signal (S comb) to a threshold; and if the power of the combined signal exceeds the threshold, controlling the processing of each receiver block circuit (110 edge) in a set of edge receiver block circuits (110 edge) responsive to the combined signal, by reducing the gain of the edge receiver block circuits (110 edge to less than that of the remaining receiver block circuits, said set of edge receiver block circuits (110 edge) comprising one or more receiver block circuits with at least one edge antenna element (112 edge), and said set of edge receiver block circuits (110 edge) comprising fewer than the plurality of receiver block circuits.
An apparatus for securing items, the apparatus comprising: a twist tie; and an end for the twist tie, the end molded around the twist tie, the end comprising an oval profile from a top or bottom view, a rectangular profile from a side view, characterised in that the end is stretchable and an aperture is defined through the stretchable end in view from the side, wherein the aperture is a narrow slit in the stretchable end, and wherein the stretchable end is overmolded on the twist tie. a twist tie; and an end for the twist tie, the end molded around the twist tie, the end comprising an oval profile from a top or bottom view, a rectangular profile from a side view, characterised in that the end is stretchable and an aperture is defined through the stretchable end in view from the side, wherein the aperture is a narrow slit in the stretchable end, and wherein the stretchable end is overmolded on the twist tie.
A computer-implemented method of constructing a scaffold, the method comprising the steps of: mapping multiple pairs of double-barreled data obtained through sequencing to contigs; obtaining gap size between said contigs by calculating mean or median length between contigs based on the multiple pairs of double-barreled data mapped to contigs; constructing a scaffold based on the gap size between contigs and the relative orientation of contigs; detecting repeat contigs in said scaffold, and masking the detected repeat contigs, wherein repeat contig is a contig that is linked in one direction to a plurality of contigs that have overlaps; linearizing the scaffold based on the gap size between contigs and the relative orientation of contigs in the scaffold; and recalculating the gap size between contigs in the linearized scaffold, wherein the recalculation step comprises: based on the position relationship of the contigs in the linearized scaffold, recalculating the gap size between each two adjacent contigs; and relinking adjacent contigs. mapping multiple pairs of double-barreled data obtained through sequencing to contigs; obtaining gap size between said contigs by calculating mean or median length between contigs based on the multiple pairs of double-barreled data mapped to contigs; constructing a scaffold based on the gap size between contigs and the relative orientation of contigs; detecting repeat contigs in said scaffold, and masking the detected repeat contigs, wherein repeat contig is a contig that is linked in one direction to a plurality of contigs that have overlaps; linearizing the scaffold based on the gap size between contigs and the relative orientation of contigs in the scaffold; and recalculating the gap size between contigs in the linearized scaffold, wherein the recalculation step comprises: based on the position relationship of the contigs in the linearized scaffold, recalculating the gap size between each two adjacent contigs; and relinking adjacent contigs.
An assay result reading apparatus for use with an assay in which a detectable substance tends to accumulate within a detection zone of the assay, the reading apparatus comprising: a housing or baffle, having a window therein; a light source which emits light through the window so as to illuminate the detection zone of the assay; and a light detector to detect the amount of light reflected and/or transmitted by the detection zone, which amount is at least partly dependent on the amount of detectable substance accumulated in the detection zone; characterised in that the shape of the window is adapted to render the reading apparatus insensitive to minor mis-positioning of the detection zone by a displacement of up to +/-0.4mm, relative to one or more of the window, the light source and the light detector, wherein the reading apparatus is insensitive if, for a fixed intensity of light energy output from the light source, and for a fixed amount of detectable substance in the detection zone, the amount of light detected by the light detector varies by less than 10% compared to the amount of light detected by the light detector when the detection zone is in its intended position, the shape of the window being obtainable by a process which comprises measurement of the relative signal intensity recorded by the detector at different positions relative to the window to generate a map of relative signal intensity for different relative displacements of the detection zone from the central axis to the window, the shape of the window then being adjusted to provide an inverse effect to counter-act the effect on relative signal intensity of the said relative displacement of the detection zone; wherein the window is not rectangular.
A gas turbine engine comprising a convex case section (46...346) comprising: an upstream case portion (46A...346A) having a first radius relative to a centerline axis of the gas turbine axis; a downstream case portion (46C...346C) having a second radius relative to a centerline axis of the gas turbine axis; an intermediate case portion (46B...346B) between the upstream case portion (46A...346A) and the downstream case portion (46C...346C) that directly connects the upstream case portion to the downstream case portion, wherein the intermediate case portion has a third radius relative to a centerline axis of the gas turbine axis that is larger than the first radius and the second radius; and a plurality of tension rods directly connected to the upstream case portion and the downstream case portion, wherein the plurality of tension rods are disposed radially inward of the intermediate case portion relative to the centerline axis. an upstream case portion (46A...346A) having a first radius relative to a centerline axis of the gas turbine axis; a downstream case portion (46C...346C) having a second radius relative to a centerline axis of the gas turbine axis; an intermediate case portion (46B...346B) between the upstream case portion (46A...346A) and the downstream case portion (46C...346C) that directly connects the upstream case portion to the downstream case portion, wherein the intermediate case portion has a third radius relative to a centerline axis of the gas turbine axis that is larger than the first radius and the second radius; and a plurality of tension rods directly connected to the upstream case portion and the downstream case portion, wherein the plurality of tension rods are disposed radially inward of the intermediate case portion relative to the centerline axis.