Coavis

Young Sub Jang

In Seok Sohn

Suk Min Yoon

Wan Sung Pae

Se Jin Kim

In Gon Kim

Joon Seop Kim

Suk Min Yun

Hyug Jin Lee

Provided are a controller integrated type fuel pump module for preventing thermal deformation of a flange and a manufacturing method thereof. An embodiment of the present invention is directed to providing a controller integrated type fuel pump module for preventing thermal deformation of a flange that minimizes heat transfer from a board to the flange through a thermal insulation effect by an air gap by improving a structure in a storage part of a controller to form the air gap between the board and the flange in the controller formed integrally with a fuel pump module, and a manufacturing method thereof.

Controller integrated type fuel pump module for preventing thermal deformation of flange

Provided is a sensorless control device for a DC fuel pump that may be downsized as compared to a conventional control device for a DC fuel pump and may implement the same operation at a relatively low cost, and the sensorless control device for a DC fuel pump.

Sensorless control device for DC fuel pump

An electric water pump of which productivity, maintainability, and use convenience may be improved by simplifying a production process through a change in a structure, and a method of manufacturing the same. The electric water pump includes: a pump housing accepting a motor therein; an acceptor having a cylindrical shape of which one side is opened and formed at one side of the pump housing; a control substrate installed in the acceptor; an external terminal formed of a conductor and penetrating through the acceptor to electrically connect the control substrate to an external power supply; and an internal terminal formed of a conductor and penetrating through the pump housing and the acceptor to electrically connect the motor and the control substrate to each other.

Electric water pump and manufacturing method for thereof

Provided are a signal processing system and a signal processing method for sensors of a vehicle. More particularly, the signal processing system includes: a vehicle sensor unitincluding the plurality of sensors previously provided in the vehicle and transmitting sensing information acquired through the sensors; an arithmetic and control unitreceiving sensing information from the vehicle sensor unit, and comparing and analyzing the received sensing information to discriminate only normal sensing information from the sensing information and set and transmit the normal sensing information as output information; and a display unitincluding a plurality of displays previously provided in the vehicle, transmitting the output information received from the arithmetic and control unitto the matched display of the plurality of displays, and outputting the output information through the matched display of the plurality of displays.

Signal processing system and signal processing method for sensors of vehicle

Provided is driving control method of Brushless DC (BLDC) motor, including: a step of initial driving command input, initially inputting a driving command to the BLDC motor; a step of the first position alignment, compulsively aligning rotor of the BLDC motor at a predetermined position; a step of forced driving, compulsively driving the rotor of the BLDC motor compulsively aligned by accelerating the rotor of the BLDC motor; a step of feedback control, performing feedback control of the BLDC motor; a step of driving off, inputting a stop command to the BLDC motor; and a step of the second position alignment, compulsively aligning the rotor of the BLDC motor at the predetermined position again.

Driving control method for BLDC motor

The following disclosure relates to a flow rate measuring device and method capable of correcting a gradient. More particularly, the following disclosure relates to a flow rate measuring device and method capable of correcting a gradient that may measure a flow rate having a minimized measurement error by including a sensor unit provided on a bottom surface of an inner portion of a fuel tank in order to accurately measure a flow rate value remaining in the fuel tank to obtain distance information between the bottom surface of the fuel tank and an oil surface and gradient information of the fuel tank itself.

Growing community of inventors

Sejong-si, South Korea

Young Sub Jang