36results about How to "Improve power delivery efficiency" patented technology

A power delivery system of a hybrid vehicle includes: a planetary gear part disposed including a first planetary gear, a second planetary gear, and a third planetary gear; a driving motor/generator part including a first motor/generator connected to the third planetary gear such that a power delivery can be performed therebetween, and a second motor/generator configured to deliver power to a driving shaft via the second planetary gear and supporting an engine in a starting state so as to operate the driving shaft; a clutch part connected to the planetary gear part such that the hybrid vehicle can drive by changing the operation mode at at least a critical mechanical point wherein the mechanical power of the driving motor/generator part is zero; and a controller controlling operations of the driving motor/generator part and the clutch part.

An active roll control device varies a position of a stabilizer link connecting a stabilizer bar with a suspension arm such that torsion rigidity of the stabilizer bar is varied to actively control the roll. A penetrating slot is formed in the suspension arm and may include a sliding unit that includes a rail plate disposed in a housing disposed at a lower side of the penetrating slot along a vehicle width direction and connects a connector that is movably disposed on the rail plate with a lower end of the stabilizer link to guide the stabilizer link along a width direction of the vehicle, and a drive unit having a lead screw as a rotation shaft through a three joint mounting portion that engages a screw connector connected to a hinge portion of the stabilizer link to transfer a driving torque to the stabilizer link.

A first electronic device, electronically coupled to a second device for supplying a charge to the second electronic device, tracks the voltage requirements of the second device and dynamically adjusts its output voltage upwards or downwards to match such requirements. The second electronic device may provide feedback to the first electronic device through a feedback loop. The feedback may include an indication of the voltage requirements and/or instructions for adjusting the voltage output of the first electronic device. The second device may be, for example, a wearable audio device, while the first device is a case for the wearable audio device.

The present invention relates to a power delivery system of a hybrid vehicle, for delivering power from an engine to a differential gear by using three shafts and two planetary gear sets. A power delivery system of a hybrid vehicle according to an exemplary embodiment of the present invention includes a driving motor, a first shaft, a first planetary gear set coupled to the first shaft, a second shaft, a second planetary gear set coupled to the second shaft, a third shaft connected with the differential gear, and a sub gear coupled to the third shaft. The first planetary gear set is connected with the second planetary gear set, the second planetary gear set is connected with the sub gear, and an output from the driving motor or the engine is delivered to the third shaft through the first planetary gear set, the second planetary gear set, and the sub gear.

An active roll control device utilizes a driving torque to move a suspension arm side connection point of a stabilizer link that connects both sides of a stabilizer bar with a suspension arm along a sliding unit such that roll of a vehicle is actively controlled. The sliding unit includes a linear shaft that extends in a vehicle width direction in a housing on the suspension arm, a linear bushing into which the linear shaft is inserted to be slidably moved along the linear shaft in the housing, and a bushing housing that is fixed on an external circumference of the linear bushing, a double ball joint is fixed on an inner side thereof to connect the bushing housing, and the double ball joint is connected to a drive shaft of the drive source through one end of a push rod and a lower end of the stabilizer link.

An active roll control system may include a sliding unit which includes a housing disposed on a suspension, a slide rail disposed within the housing along vehicle width direction, and a connector movably disposed on the slide rail, wherein the connector may be pivotally connected with a lower end of the stabilizer link, the connector guided along the vehicle width direction according to vehicle driving condition, and a driving unit connected with the connector so as to drive the connector, wherein the connector may be movable at inward of an imaginary line connecting the first connecting point connected with the knuckle and the second connecting point connected with the outward portion of the sub frame.

A clutching device of an automatic transmission may include a clutch drum connected to a first rotation element, a clutch connected to the clutch drum and a second rotation element, and a piston device to operate the clutch, wherein the piston device may include a first piston forming a first sealed space with the first rotation element and the clutch drum and moving toward the clutch by a hydraulic pressure supplied to the first sealed space, a second piston forming a second sealed space with the first piston and moving toward the clutch to directly press the clutch by a hydraulic pressure supplied to the second sealed space, a spring retainer disposed on the first rotation element and forming a third space with the second piston and the first rotation element, and a return spring stored in the third space and abutted by the spring retainer and the second piston.

Methods and apparatuses are disclosed for power conversion in fuzes for projectiles. Fuze electronics in the projectile control detonation of the projectile. A rectifier converts pulses from a setter signal to a DC power source signal. A voltage monitor coupled to the power source signal generates a source voltage indicator and a current monitor coupled to the power source signal generates a source current indicator. A combiner generates a supplied power level indicator in response to a combination of the source voltage indicator and the source current indicator. A DC-DC converter uses the supplied power level indicator when converting the power source signal to a power output signal to adjust a current level of the power output for efficient charging of a charge storage device and delivery of power to the fuze electronics.

The invention provides a package method of an integrated power supply system package element. The method includes the following steps that a carrier is provided; a re-wiring layer is formed on the carrier; a columnar metal lead is formed on the re-wiring layer; an active module and a passive module of a power supply system bare core are welded to the re-wiring layer; the active module, the passive module and the columnar metal lead are packaged and formed on the re-wiring layer, and redundant packaging and forming materials for covering the active module, the passive module and the columnar metal lead are removed through grinding; a base solder protruding block connected with the columnar metal lead is formed, and the carrier is removed; a power consumption system bare core is welded to the re-wiring layer, and then the power consumption system bare core is packaged and fixed to the re-wiring layer through bottom filling. By means of the three-dimensional chip stacking technology, a power supply system is directly integrated on the lower portion of the power consumption system bare core, power transmission efficiency is improved, and the number of different usable voltage rails is increased.

A method of controlling an inductive heating circuit, having a varying load, to seal a packaging material is provided. The method comprises generating AC power of at least two frequencies on at least one inductor in the inductive heating circuit; determining the resulting phase shift in the inductive heating circuit from the current generated at the at least two frequencies; determining the impedance of the inductive heating circuit for each of the at least two frequencies; determining a load characteristics of the inductive heating circuit based on the relationship between the determined impedance and the determined phase shift; determining an impedance operating range; and selecting an AC output frequency for an induction power generator based on the load characteristics which results in the least amount of phase shift from a set ideal value and which is associated with an impedance that is within the impedance operating range.

The invention discloses a method for improving the power transmission efficiency of an external network. The method comprises the following steps of 1, performing a heating test; 2, performing a heating test on a crimping fitting matched with the wire; 3, calculating the sag of the wire; calculating the maximum sag of the wire at the temperature of 80 DEG C in the step 1 according to a corresponding line design rule; 4, calculating the safe distance between the wires; according to the method, the strength loss rate of the to-be-used wire at the continuous high temperature is calculated, the wire with the small loss rate is selected for line erection, the maximum sag of the wire at the high temperature and the corresponding crossing span and ground distance are calculated, so that a power grid is erected and transformed, and the allowable maximum temperature of the wire is increased; and the short-time current-carrying capacity required by the system under the condition of stable accidents is increased, so that the normal transmission capacity of the line is improved, namely, the transmission capacity is improved under the condition of not changing the line structure.

The invention belongs to the technical field of camera shooting device supports, and particularly relates to a camera shooting device rotating device based on remote control. The camera shooting device rotating device comprises a base, a base body bottom plate is movably mounted at the right side of the base, a base body bearing plate is mounted at the right side of the base body bottom plate, and a fixing seat is movably mounted at the upper side of the base body bearing plate; a camera shooting device is installed above the fixing seat, an axial motor and an initial transmitting end coil module are arranged at the inner side of a body of the base, a rotor of the axial motor penetrates through the base and is connected with the base body bottom plate, and an initial receiving end coil module is arranged at the inner side of a body of the base body bottom plate; and due to the fact that wires are not connected between the base and the base body bottom plate and between the base body bearing plate and the fixing seat of the device, the base body bottom plate and the fixing seat can freely rotate around the central axis of the base body bottom plate and the central axis of the fixing seat correspondingly, so that the rotation angle of the camera shooting device is not affected.