Abstract: A method for underfilling an electronic circuit assembly may include mounting one or more structures to a substrate, mounting one or more spacers to the substrate at one or more positions, respectively, to form one or more passages between the one or more spacers and the one or more structures, dispensing underfill to the one or more passages, and curing the underfill to secure the one or more structures to the substrate. The one or more structures may include one or more dies.

Abstract: The invention relates to a hybrid power drive system, comprising: an internal combustion engine having a crankshaft; a first electric motor (14), wherein the first electric motor (14) is an outer rotor electric motor, and comprises an outer rotor (14.2) that is rigidly connected to the crankshaft and rotates together with the crankshaft; a transmission (15) comprising an input shaft (20); and a clutch (18) that is provided between the first electric motor (14) and the transmission (15), and is connected to the input shaft (20) of the transmission. The clutch (18) is configured to be capable of switching between the following positions: an engagement position where the clutch (18) is engaged with the outer rotor (14.2); and a separation position where the clutch (18) is separated from the outer rotor (14.2). The present system is simple in structure, high in efficiency, and low in manufacturing and maintenance costs.

Abstract: Switch circuitry including an input terminal (1), said input terminal connected to the base of a first transistor (Q1) via a first resistor (R3), said first transistor being an NPN Bipolar Gate Transistor (Q1), said circuitry further comprising a second resistor (R5) connected between the base of said first transistor (Q1) and ground, and including an output line or terminal (3) connected to the collector of said first transistor (Q1), and wherein the emitter of said first transistor (Q1) is connected to ground (earth), said circuitry further including a second transistor (Q2), said second transistor being a PNP Bipolar Gate Transistor, wherein the collector of said second transistor (Q2) is connected via a third resistor (R8) to the base of said first transistor (Q1), and the emitter of said second transistor (Q2) is connected to said input terminal (1), and wherein the emitter of said second transistor (Q2) is additionally connected to the base of said second transistor (Q2) via a fourth resistor (R11); and

Abstract: A system includes a control board comprising: a microprocessor configured to output a PWM signal; a primary shutoff path circuit, an upper MOSFET shutoff circuit, and a lower MOSFET shutoff circuit, each of the circuits configured to receive the PWM signal; a first buffer provided at an output of the primary shutoff path circuit; a second buffer provided at an output of the upper MOSFET shutoff circuit; a third buffer provided at an output of the lower MOSFET shutoff circuit; a first resistor and a second resistor provided in parallel at the first buffer and configured to provide a first feedback signal; a third resistor and a fourth resistor provided in parallel at the second buffer and configured to provide a second feedback signal; and a fifth resistor and a sixth resistor provided in parallel at the third buffer and configured to provide a third feedback signal.

Abstract: A method for phase-voltage based motor period measurement includes generating a commanded phase voltage and applying the commanded phase voltage to a first phase voltage input of an electric motor, a second phase voltage input of the electric motor, and a third phase voltage input of the electric motor, measuring a first period of a phase voltage associated with the first phase voltage input and the second phase voltage input and comparing the measured first period to a frequency of the commanded phase voltage, and, in response to a determination that the measured first period of the phase voltage associated with the first phase voltage input and the second phase voltage input is outside of a range of the frequency associated with the commanded phase voltage, identifying a fault associated with the first integrated circuit or signal path.

Abstract: A fuel system includes a low-pressure fuel delivery unit and a high-pressure fuel delivery unit which has a low-pressure region and a high-pressure region such that the low-pressure region supplies fuel to the high-pressure region which supplies the fuel to a plurality of high-pressure fuel injectors. A low-pressure fuel rail supplies fuel to low-pressure fuel injectors. A low-pressure fuel injector line is connected at a first end directly to the high-pressure fuel delivery unit and receives fuel from the low-pressure region and is connected at a second end directly to the low-pressure fuel rail, thereby providing fluid communication from the low-pressure region to the low-pressure fuel rail. A device is located between the low-pressure region and the low-pressure fuel rail and reduces fuel pressure pulsations.

Abstract: A printed circuit board (PCB) (4) including an upper surface having one or more electrical terminals (9) thereon, said terminal adapted for connection to corresponding terminal of one or more electrical components, and further including one or more platforms (10) fabricated thereon, said platforms being located adjacent to corresponding component terminals, said platforms being adapted to support an electrical component thereupon, such that a portion of the component overhangs said platform above said corresponding PCB terminal.

Abstract: A control valve assembly of a fuel injector includes a first valve arrangement wherein a first valve spool is guided in a first hydraulic bore provided in a body of the assembly. The control assembly further includes a first tubular sleeve having a seating portion which end face defines the first seating face, the first sleeve being fixed in the first hydraulic bore and the first spool extending through the sleeve.

Abstract: A method for assessing a thermal path associated with an integrated circuit includes identifying a heat application mode based on a design type of the integrated circuit. The method also includes measuring a first temperature of at least one thermal sensing device associated with the integrated circuit. The method also includes applying heat to at least a portion of the integrated circuit according to the heat application mode. The method also includes measuring a second temperature of the at least one thermal sensing device. The method also includes determining a difference between the first temperature and the second temperature. The method also includes determining whether a thermal path between the integrated circuit and an associated substrate is sufficient based on a comparison of the difference between the first temperature and the second temperature with a predetermined difference between an initial temperature and a subsequent temperature of the at least one thermal sensing device.

Abstract: An exhaust sensor includes a sensing element with a ceramic sensing element substrate and a sensing element terminal which is electrically conductive and which is supported by the ceramic sensing element substrate such that the sensing element is configured to sense constituents of exhaust gases when exposed thereto. The exhaust sensor also includes a mating terminal which is electrically conductive and which is in electrical communication with the sensing element terminal. The mating terminal has a base material and a clad material bonded to the base material such that the clad material contacts the sensing element terminal and such that the clad material is located between the sensing element terminal and the base material, thereby providing the electrical communication. The clad material is an alloy which is less than or equal to 20% iron, greater than or equal to 40% nickel, and greater than or equal to 13% chromium.

Abstract: A fuel pump includes a fuel pump housing with a pumping chamber and an inlet valve bore which extends along an inlet valve bore axis. The inlet valve bore is stepped such that the inlet valve bore includes a shoulder which is traverse to the inlet valve bore axis. A pumping plunger reciprocates within a plunger bore along a plunger bore axis such that an intake stroke of the pumping plunger increases volume of the pumping chamber and a compression stroke of the pumping plunger decreases volume of the pumping chamber. An inlet valve assembly includes a valve seat with a valve seat flow passage extending therethrough, the valve seat abuts the shoulder and is urged toward the shoulder by pressure within the pumping chamber during the compression stroke. The inlet valve assembly also includes a valve member which is moveable between an unseated position and a seated position.

Abstract: A fluid pump includes a housing; an inlet passage; an outlet conduit; a pumping element within the housing; and a check valve assembly. The check valve assembly includes a valve stem within the outlet conduit such that a flow path is created radially between the outlet conduit and the valve stem, the valve stem moving along a check valve assembly axis between a closed position and an open position. The flow path includes a first restriction which increases velocity of fluid passing through the flow path; a first expansion, downstream of the first restriction, which decreases velocity of fluid passing through the flow path; a second restriction, downstream of the first expansion, which increases velocity of fluid passing through the flow path; and a second expansion, downstream of the second restriction, which decreases velocity of fluid passing through the flow path.

Abstract: A system includes a controller for a DC to AC inverter including a processor configured to execute instructions to perform operations including: generating a first pulse for a first phase of a center-aligned PWM signal to alternately activate a first phase switch of a first switch group of the inverter for a first duration and a first phase switch of a second switch group of the inverter for a second duration within a period of the PWM signal; and generating a second pulse for a second phase of the PWM signal to alternately activate a second phase switch of the first switch group of the inverter for a third duration and a second phase switch of the second switch group of the inverter for a fourth duration within the period of the PWM signal, wherein the second duration is different from the third duration during a stall condition.

Abstract: A particulate matter sensor includes a shield through which exhaust gases flow in a direction of flow from upstream to downstream. A sensing element with a positive electrode and a negative electrode separated from the positive electrode by an electrode gap is located within the shield. The positive electrode includes a plurality of positive electrode branches each having positive electrode extensions extending downstream and separated from each other by positive electrode slots. A positive electrode extension tip for each has a positive electrode extension tip width. The negative electrode includes negative electrode branches each having negative electrode extensions extending upstream which are each flanked on each side thereof by a plurality of negative electrode slots. A negative electrode extension tip for each has a negative electrode extension tip width. A sum of the positive electrode extension tip widths is greater than a sum of the negative electrode extension tip widths.

Abstract: Switch circuitry including an input terminal (1), said input terminal connected to the base of a first transistor (Q1) via a first resistor R3, said first transistor being an NPN Bipolar Gate Transistor (Q1), further comprising a second resistor (R5) connected between the base of said first transistor Q1 and ground, and including an output line or terminal (3) connected to the collector of said first transistor (Q1), and wherein the emitter of said first transistor (Q1) is connected to ground (earth), said circuitry further including a second transistor (Q2), said second transistor being a PNP Bipolar Gate Transistor, wherein the collector of said second transistor (Q2) is connected via a third resistor (R8) to the base of said first transistor (Q1), and the emitter of said second transistor Q2 is connected to said input terminal (1), and wherein the emitter of said second transistor (Q2) is additionally connected to the base of said second transistor Q2 via a fourth resistor R11; and the base of said second

Abstract: A fuel system includes a fuel injector having an inlet conduit extending along an axis, a nozzle opening, and a valve needle which is moveable to selectively permit and prevent flow of fuel from the inlet conduit through the nozzle opening. The inlet conduit has a seal support flange which provides a seal support shoulder which is traverse to the axis. A fuel rail assembly includes a fuel rail having a main fuel passage which receives fuel from a fuel source and a socket having a socket bore extending thereinto from a socket open end such that the socket bore is in fluid communication with the main fuel passage and such that the inlet conduit is received within the socket. A sealing ring which is metallic circumferentially surrounds the inlet conduit within the socket bore such that the sealing ring is compressed between the socket bore and the inlet conduit.

Abstract: A method of operating a particulate matter sensor having a pair of spaced apart electrodes and a heater includes accumulating particulate matter on the sensor, thereby changing resistance between the pair of spaced apart electrodes. The particulate matter sensor includes a sensing cycle that includes a deadband zone, followed by an active zone, which is followed by a regeneration zone in which the heater is operated to elevate the temperature of the particulate matter sensor to a first predetermined temperature for a first predetermined time in order to oxidize the particulate matter accumulated on the particulate matter sensor. The method also includes interrupting the sensing cycle with a modified regeneration zone which is either higher in temperature or length than the regeneration zone.

Abstract: An electrical connector is provided to be arranged at the end of an electrical cable for complementary connection of an electro-actuator. The connector has a body defining a passage for the cable. The connector also has a hook to mechanically engage with a complementary feature of the electro-actuator.

Abstract: A fuel pump includes a pump holder having a sidewall extending from a first end to a second end which is closed off by an end wall, the pump holder having a fuel inlet. An upper plate located within the sidewall has an upper plate flow channel. A lower plate located within the sidewall has a lower plate flow channel and an outlet chamber is formed between the lower plate and the end wall. An outlet passage extends from the lower plate flow channel to a lower surface of the lower plate. A pumping element located between the upper plate and the lower plate is rotated by an electric motor such that fuel is drawn through the fuel inlet into, and pressurized within, the upper plate flow channel and the lower plate flow channel and discharged into the outlet chamber through the outlet passage.

Abstract: A fuel system includes a fuel reservoir configured to be located within the fuel tank such that the fuel reservoir defines a fuel reservoir volume which is a subset of a fuel tank volume; a fuel pump configured to pump fuel from within the fuel reservoir volume to the fuel consuming device through a fuel supply line; a jet pump configured to 1) receive excess fuel, through a fuel return line, which had been supplied to the fuel consuming device through the fuel supply line and 2) aspirate fuel into the fuel reservoir volume from the fuel tank volume; and a valve which allows fuel flow in both directions between the fuel return line and the jet pump when a differential pressure across the valve is greater than or equal to a predetermined threshold.