公开(公告)号：US20240141902A1

公开(公告)日：2024-05-02

申请号：US18498165

申请日：2023-10-31

Applicant: COAVIS

Inventor： Hyun Tae LEE ,  Woo Keun LEE

IPC: F04D13/06 ,  F04D1/00

CPC classification number: F04D13/0606 ,  F04D1/00

Abstract: Provided is an electric water pump which may have a reduced overall size by simplifying a power transfer structure between a power unit and a rotation unit, and effectively cool a stator and a rotor without any additional structure for their cooling by distributing a fluid between the power unit and the rotation unit.

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：US20240263576A1

公开(公告)日：2024-08-08

申请号：US18340617

申请日：2023-06-23

Applicant: COAVIS

Inventor： Hyun Tae LEE ,  Woo Keun LEE ,  Hyuk Jin LEE ,  Dong Heon MO ,  Daeil HYUN

IPC: F04C2/16 ,  B60K11/02 ,  F04C14/10 ,  F04C15/06

CPC classification number: F01P5/10 ,  F01P3/20 ,  F01P7/165 ,  F01P11/029 ,  F04C2/16 ,  F04C2/165 ,  F04C14/10 ,  F04C15/06 ,  B60K2001/003 ,  B60K11/02 ,  F01P2007/146 ,  F01P2050/22 ,  F01P2050/24 ,  F04C2210/208

Abstract: Provided is a cooling module including a reservoir tank in which cooling water is stored, a screw pump coupled to the reservoir tank and having a cooling water inlet communicating with the reservoir tank to pump cooling water, and a direction control valve coupled to the reservoir tank, having an outlet port communicating with the reservoir tank, and having a plurality of inlet ports to change a direction of flow of cooling water according to an operation, so that efficiency corresponding to the use of a plurality of centrifugal pumps of the related art may be achieved by using a single screw pump, thereby reducing the number of parts and simplifying a package, while simplifying the configuration.

公开(公告)号：US20250012293A1

公开(公告)日：2025-01-09

申请号：US18760346

申请日：2024-07-01

Applicant: COAVIS

Inventor： Hyun Tae LEE ,  Woo Keun LEE

IPC: F04D29/42 ,  F04D29/043 ,  F04D29/44 ,  F04D29/58

Abstract: The present invention provides an electric water pump in which a plurality of inlets and outlets for the distribution of fluid are provided in one housing, and the fluid is pumped into each space by an rotational operation of one impeller in a state where a space is partitioned for each inlet and outlet through which the fluid is distributed, thereby distributing the fluid through multiple paths with one water pump and reducing costs and weight through structure simplification.

公开(公告)号：US20240426295A1

公开(公告)日：2024-12-26

申请号：US18749956

申请日：2024-06-21

Applicant: COAVIS

Inventor： Hyun Tae LEE ,  Woo Keun LEE

IPC: F04C2/16 ,  F04C11/00

Abstract: Disclosed is a fluid circulating apparatus in which a reservoir, a valve part, and a pump part are integrated with one another, and the valve part and the pump part are disposed in the reservoir to thus achieve a compact structure, thereby achieving a reduced overall size and stabilizing a fluid circulation when pumping a fluid through a plurality of flow paths.

公开(公告)号：US20190204135A1

公开(公告)日：2019-07-04

申请号：US16237313

申请日：2018-12-31

Applicant: COAVIS

Inventor： Tae Hoon LEE ,  Ji Ho JUNG ,  Hyun Tae LEE

IPC: G01F23/296

CPC classification number: G01F23/2962

Abstract: Provided is an apparatus for measuring a residual amount of fuel in a fuel tank using an ultrasonic sensor that may simplify wirings, may simplify an assembly method, and may respond to contraction or expansion of the tank according to a change in temperature as compared to the conventional apparatus for measuring a residual amount of fuel in a fuel tank using an ultrasonic sensor.

公开(公告)号：US20150050155A1

公开(公告)日：2015-02-19

申请号：US14328880

申请日：2014-07-11

Applicant: COAVIS

Inventor： Bong Ju LEE ,  Hyun Tae LEE ,  Seong Hwan MOON ,  Mun Sik JEON ,  In Seok Sohn

IPC: F01D5/14

CPC classification number: F04D29/242 ,  F04D29/188

Abstract: Provided is an impeller for a fuel pump of a vehicle capable of decreasing a magnitude of high frequency fluid noise due to high speed rotation of the impeller by upper and lower blades of impeller blades positioned between upper and lower casings of the fuel pump and coupled to a shaft of a driving motor to deliver a fuel by rotational force so as to have asymmetrical angles based on the center of a thickness of an impeller body in sucking the fuel from a fuel tank and supplying the fuel to an engine of an internal combustion engine.

Abstract translation: 提供了一种用于车辆的燃料泵的叶轮，其能够降低由于位于燃料泵的上部和下部壳体之间的叶轮的叶片的高速旋转而引起的高频流体噪声的大小，并且耦合到 驱动电动机的轴，其通过旋转力输送燃料，以便在从燃料箱吸入燃料时基于叶轮体的厚度的中心具有不对称角度，并将燃料供应到内燃机的发动机 。

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：US20180292249A1

公开(公告)日：2018-10-11

申请号：US15949669

申请日：2018-04-10

Applicant: COAVIS

Inventor： Dong Heon MO ,  Jin Hwa JUNG ,  In Seok SOHN ,  Hyun Tae LEE

IPC: G01F23/00 ,  G01F23/296 ,  G01F23/26

Abstract: Provided is a complementary apparatus for measuring a level of urea water includes an ultrasonic measurement unit installed inside a urea water tank to measure a level of urea water using an ultrasonic wave, an inductance measurement unit including a winding coil wound in a vertical direction inside the urea water tank and having a winding density varied toward one side, and measuring a level of urea water using inductance measured as a current is applied to the winding coil, a temperature measurement unit installed in the urea water tank and measuring a temperature, and a controller determining whether to operate the ultrasonic measurement unit or the inductance measurement unit according to the temperature measured by the temperature measurement unit or selectively outputting a level of urea water measured by the ultrasonic measurement unit and the inductance measurement unit.