公开(公告)号：US20210083558A1

公开(公告)日：2021-03-18

申请号：US17021452

申请日：2020-09-15

Applicant: COAVIS

Inventor： Wan Sung PAE ,  Dong Heon MO ,  Joon Seup KIM

IPC: H02K11/30 ,  F04D13/06 ,  H02K3/52 ,  H02K9/22

Abstract: Provided are a motor integrated with a control unit, in which a motor unit and the control unit are efficiently cooled by allowing heat generated from the motor unit to be radiated from the motor unit, and heat generated from the control unit including a control board to be radiated from the control unit, respectively, and a water pump having the same.

公开(公告)号：US20190017510A1

公开(公告)日：2019-01-17

申请号：US16033053

申请日：2018-07-11

Applicant: COAVIS

Inventor： Young Sub JANG ,  Joon Seop KIM ,  Wan Sung PAE

IPC: F04D13/06

Abstract: The present disclosure relates to an electric water pump and a method of manufacturing the same, and more particularly, to 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.

公开(公告)号：US20170201143A1

公开(公告)日：2017-07-13

申请号：US15400241

申请日：2017-01-06

Applicant: COAVIS

Inventor： Wan Sung PAE ,  Hyun Tae LEE ,  Jin Woo HAN

IPC: H02K5/167 ,  F04D13/06 ,  H02K5/02

CPC classification number: H02K5/1672 ,  F04D5/002 ,  F04D13/06 ,  H02K5/02 ,  H02K5/12

Abstract: Provided is a brushless direct current (BLDC) motor applied to a fuel pump for a motor vehicle, and more particularly, a BLDC motor of a fuel pump for a motor vehicle in which an end of a shaft of a rotor is coupled to a stator side to be rotated such that a length of the shaft is reduced.

公开(公告)号：US20200300264A1

公开(公告)日：2020-09-24

申请号：US16816694

申请日：2020-03-12

Applicant: COAVIS

Inventor： Wan Sung PAE ,  Hyun Tae LEE ,  Byeung Jin KIM

IPC: F04D29/42 ,  F04D1/00 ,  F04D29/22 ,  F04D29/043 ,  F04D29/046

Abstract: Provided is a water pump including a lower casing, an upper casing coupled to an upper side of the lower casing to form an impeller accommodating space therein by the coupling with the lower casing and having an inlet communicating with the impeller accommodating space and allowing a fluid to be introduced therethrough and an outlet allowing the fluid to be discharged therethrough, an impeller provided in the impeller accommodating space and including an upper plate and a lower plate arranged to be spaced apart from each other vertically and a plurality of blades arranged and coupled between the upper plate and the lower plate, and a rotor coupled to the impeller and rotated together with the impeller, wherein the upper casing has a spacing recess provided on an inner surface corresponding to an outer circumference of the upper plate of the impeller.

公开(公告)号：US20200032808A1

公开(公告)日：2020-01-30

申请号：US16523982

申请日：2019-07-26

Applicant: COAVIS

Inventor： Wan Sung PAE ,  Hyun Tae LEE ,  Joon Seup KIM

IPC: F04D29/046 ,  F04D13/06

Abstract: Provided is a water pump including a supporting structure for an impeller having a lower manufacturing cost and having reduced noise and vibration characteristics compared to a conventional water pump including a supporting structure for an impeller. The water pump including a supporting structure for an impeller includes: a shaft; an impeller having the shaft inserted into a center of the impeller and rotating together with the shaft to discharge an introduced fluid; a core formed on an outer circumference of the shaft; a magnetic material formed on an outer circumference of the core and forming a magnetic field rotating the shaft connected to the core and the impeller; a pump housing the shaft, impeller and core; and a supporting member installed between an end of the shaft and the pump housing to support the shaft.

公开(公告)号：US20180102680A1

公开(公告)日：2018-04-12

申请号：US15616829

申请日：2017-06-07

Applicant: COAVIS

Inventor： Gyu Sang YU ,  Hyun Tae LEE ,  Wan Sung PAE

IPC: H02K1/17 ,  F02M59/44

CPC classification number: H02K1/17 ,  F02M59/44 ,  H02K23/04 ,  H02K29/03 ,  H02K2201/03 ,  H02K2213/03

Abstract: Provided is a DC motor for a fuel pump for a vehicle. The DC motor for a fuel pump for a vehicle includes: a housing whose inside is hollow; a stator coupled to the inside of the housing and having a first permanent magnet whose N pole is disposed inwardly in a radial direction and a second permanent magnet whose S pole is disposed inwardly in a radial direction, the first permanent magnet and the second permanent magnet being spaced apart from each other to face each other; and a rotor disposed on an inside of the stator while being spaced apart from the stator, in which a first gap g1 between the first permanent magnet and the rotor is different from a second gap g2 between the second permanent magnet and the rotor, whereby a torque ripple that is a fluctuation width of a cogging torque is reduced.