FR3086708B1 - A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM - Google Patents

A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM Download PDF

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Publication number
FR3086708B1
FR3086708B1 FR1859080A FR1859080A FR3086708B1 FR 3086708 B1 FR3086708 B1 FR 3086708B1 FR 1859080 A FR1859080 A FR 1859080A FR 1859080 A FR1859080 A FR 1859080A FR 3086708 B1 FR3086708 B1 FR 3086708B1
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FR
France
Prior art keywords
motor
rotor
drive shaft
turbocharger
refrigerant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1859080A
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French (fr)
Other versions
FR3086708A1 (en
Inventor
Nicolas Nouyrigat
Patrice Bonnefoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Priority to FR1859080A priority Critical patent/FR3086708B1/en
Publication of FR3086708A1 publication Critical patent/FR3086708A1/en
Application granted granted Critical
Publication of FR3086708B1 publication Critical patent/FR3086708B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Supercharger (AREA)

Abstract

Le turbocompresseur (2) comporte un arbre d'entraînement (4) ; un moteur électrique (13) configuré pour entraîner en rotation l'arbre d'entraînement (4) autour d'un axe de rotation (A), le moteur électrique (13) comportant un stator de moteur (14) et un rotor de moteur (15), le rotor de moteur (15) étant relié à l'arbre d'entraînement (4) ; un espacement annulaire de moteur (33) défini entre le stator de moteur (14) et un ensemble rotor formé par l'arbre d'entraînement (4) et le rotor de moteur (15) ; une roue (8) reliée à l'arbre d'entraînement (4) et configurée pour comprimer un fluide frigorigène ; et un agencement de refroidissement de rotor configuré pour refroidir le rotor de moteur (15) uniquement avec un flux de fuite de fluide frigorigène s'écoulant à partir d'un côté haute pression de la roue (8), l'agencement de refroidissement de rotor étant agencé de sorte que, pendant le fonctionnement du turbocompresseur (2), au moins une partie du flux de fuite de fluide frigorigène soit transportée à travers l'espacement annulaire de moteur (33).The turbocharger (2) has a drive shaft (4); an electric motor (13) configured to rotate the drive shaft (4) about an axis of rotation (A), the electric motor (13) comprising a motor stator (14) and a motor rotor (15), the motor rotor (15) being connected to the drive shaft (4); a motor annular gap (33) defined between the motor stator (14) and a rotor assembly formed by the drive shaft (4) and the motor rotor (15); a wheel (8) connected to the drive shaft (4) and configured to compress a refrigerant; and a rotor cooling arrangement configured to cool the motor rotor (15) only with a leakage flow of refrigerant flowing from a high pressure side of the impeller (8), the cooling arrangement of the impeller (8). rotor being arranged so that, during operation of the turbocharger (2), at least part of the refrigerant leakage stream is transported through the engine annular gap (33).

FR1859080A 2018-10-01 2018-10-01 A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM Active FR3086708B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1859080A FR3086708B1 (en) 2018-10-01 2018-10-01 A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859080A FR3086708B1 (en) 2018-10-01 2018-10-01 A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM

Publications (2)

Publication Number Publication Date
FR3086708A1 FR3086708A1 (en) 2020-04-03
FR3086708B1 true FR3086708B1 (en) 2021-02-19

Family

ID=65244055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1859080A Active FR3086708B1 (en) 2018-10-01 2018-10-01 A TURBOCHARGER PROVIDED WITH A ROTOR COOLING SYSTEM

Country Status (1)

Country Link
FR (1) FR3086708B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080199326A1 (en) * 2007-02-21 2008-08-21 Honeywell International Inc. Two-stage vapor cycle compressor
US8931304B2 (en) * 2010-07-20 2015-01-13 Hamilton Sundstrand Corporation Centrifugal compressor cooling path arrangement
DE102012207019B4 (en) * 2012-04-27 2015-12-24 Siemens Aktiengesellschaft Turbomachine and method for cooling such
US10036582B2 (en) * 2013-06-12 2018-07-31 Danfoss A/S Compressor with rotor cooling passageway
KR101765583B1 (en) * 2014-07-29 2017-08-07 현대자동차 주식회사 Cooling unit of air compressure

Also Published As

Publication number Publication date
FR3086708A1 (en) 2020-04-03

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