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US20180142697A1 - Two-sided compressor wheel of fluid compression device and manufacturing method thereof - Google Patents

Two-sided compressor wheel of fluid compression device and manufacturing method thereof Download PDF

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Publication number
US20180142697A1
US20180142697A1 US15/393,210 US201615393210A US2018142697A1 US 20180142697 A1 US20180142697 A1 US 20180142697A1 US 201615393210 A US201615393210 A US 201615393210A US 2018142697 A1 US2018142697 A1 US 2018142697A1
Authority
US
United States
Prior art keywords
wheel
wheel part
sided compressor
compressor wheel
hole
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.)
Abandoned
Application number
US15/393,210
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English (en)
Inventor
Chun-Neng Chan
Hui-Hung LIN
Kuo-Kai HUNG
Hsin-Ying Chiu
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.)
Noporvis Co Ltd
Original Assignee
Noporvis Co Ltd
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.)
Filing date
Publication date
Application filed by Noporvis Co Ltd filed Critical Noporvis Co Ltd
Assigned to NOPORVIS CO., LTD. reassignment NOPORVIS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHAN, CHUN-NENG, CHIU, Hsin-Ying, HUNG, KUO-KAI, LIN, HUI-HUNG
Publication of US20180142697A1 publication Critical patent/US20180142697A1/en
Abandoned legal-status Critical Current

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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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F04D29/285—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors the compressor wheel comprising a pair of rotatable bladed hub portions axially aligned and clamped together
    • 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
    • F04D17/105—Centrifugal pumps for compressing or evacuating with double suction
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers

Definitions

  • the present invention relates to a two-sided compressor wheel of a fluid compression device, and more particularly, to a two-sided compressor wheel of a fluid compression device capable of increasing compression efficiency.
  • a turbo charger utilizes gas discharged from an internal combustion engine to drive a turbine rotor of the turbo charger to rotate, and the turbine rotor further boosts pressure of air in an intake passage of the internal combustion engine, so as to improve efficiency of the internal combustion engine.
  • the turbine rotor of the turbo charger mainly comprises a turbine wheel, a compressor wheel and a rotor shaft connected to the turbine wheel and the compressor wheel.
  • the turbine wheel is configured to be driven to rotate by air in an exhaust passage of the internal combustion engine, in order to further drive the compressor wheel to rotate.
  • the compressor wheel further compresses the air in the intake passage of the internal combustion engine for improving efficiency of the internal combustion engine.
  • the prior art provides a two-sided compressor wheel having blades at both sides. However, the two-sided compressor wheel is heavier, such that the turbine rotor takes longer time to achieve required rotation speed. Therefore, the two-sided compressor wheel of the turbo charger of the prior art increases turbine lag.
  • the present invention provides a two-sided compressor wheel of a fluid compression device capable of increasing compression efficiency and a manufacturing method thereof.
  • the two-sided compressor wheel of the fluid compression device comprises a first wheel part and a second wheel part.
  • the first wheel part has a plurality of first blades.
  • a first through hole is formed on the first wheel part along a rotation axis, and a first cavity is formed at a bottom of the first wheel part.
  • the second wheel part has a plurality of second blades.
  • a second through hole is formed on the second wheel part along the rotation axis, and communicated with the first through hole. Wherein, the bottom of the first wheel part is connected to a bottom of the second wheel part.
  • the manufacturing method of the two-sided compressor wheel of the fluid compression device comprises providing a first wheel part, wherein the first wheel part has a plurality of first blades, a first through hole is formed on the first wheel part along a rotation axis, a first cavity is formed at a bottom of the first wheel part; providing a second wheel part, wherein the second wheel part has a plurality of second blades, a second through hole is formed on the second wheel part along the rotation axis and communicated with the first through hole; and connecting the bottom of the first wheel part to a bottom of the second wheel part.
  • FIG. 1 is an exploded view of a first embodiment of a two-sided compressor wheel of a fluid compression device of the present invention.
  • FIG. 2 is a cross-sectional view of the two-sided compressor wheel of FIG. 1 .
  • FIG. 3 is a diagram showing assembly of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 4 is a diagram showing the two-sided compressor wheel of the present invention with a first wheel part and a second wheel part welded to each other through a welding material.
  • FIG. 5 is a diagram showing the two-sided compressor wheel of the present invention applied to a turbine rotor of a turbo charger.
  • FIG. 6 is a diagram showing a second embodiment of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 7 is a cross-sectional view of the two-sided compressor wheel along line A-A of FIG. 6 .
  • FIG. 8 is a diagram showing a third embodiment of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 9 is a cross-sectional view of the two-sided compressor wheel along line A-A of FIG. 8 .
  • FIG. 10 is a flowchart showing a manufacturing method of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 1 is a diagram showing a first embodiment of a two-sided compressor wheel of a fluid compression device of the present invention.
  • FIG. 2 is a cross-sectional view of the two-sided compressor wheel of FIG. 1 .
  • the two-sided compressor wheel 100 of the fluid compression device of the present invention comprises a first wheel part 110 and a second wheel part 120 .
  • the first wheel part 110 has a plurality of first blades 112 .
  • the plurality of first blades 112 are configured to compress air when the two-sided compressor wheel 100 rotates.
  • a first through hole 114 is formed on the first wheel part 110 along a rotation axis R of the two-sided compressor wheel 100 , and a first cavity 116 is formed at a bottom of the first wheel part 110 and communicated with the first through hole 114 .
  • a radial size of the first cavity 116 is greater than a radial size of the first through hole 114 .
  • the second wheel part 120 has a plurality of second blades 122 . The plurality of second blades 122 are configured to compress air when the two-sided compressor wheel 100 rotates.
  • a second through hole 124 is formed on the second wheel part 120 along the rotation axis R of the two-sided compressor wheel 100 , and a second cavity 126 is formed at a bottom of the second wheel part 120 and communicated with the second through hole 124 .
  • a radial size of the second cavity 126 is greater than a radial size of the second through hole 124 .
  • the first blades 112 and the second blades 122 are arrange to face opposite sides.
  • the first through hole 114 is communicated with the second through hole 124 , in order to allow a rotation shaft to pass through the two-sided compressor wheel 100 .
  • FIG. 3 is a diagram showing assembly of the two-sided compressor wheel of the fluid compression device of the present invention.
  • the two-sided compressor wheel 100 of the present invention is formed by connecting the bottom of the first wheel part 110 to the bottom of the second wheel part 120 .
  • the bottom of the first wheel part 110 is directly connected to the bottom of the second wheel part 120 by welding (such as by friction welding or electron beam welding) in order to form the two-sided compressor wheel 100 of the present invention.
  • welding such as by friction welding or electron beam welding
  • electron beams can be concentrated on an interface between the bottom of the first wheel part 110 and the bottom of the second wheel part 120 .
  • FIG. 4 is a diagram showing the two-sided compressor wheel of the present invention with the first wheel part and the second wheel part welded to each other through a welding material.
  • the two-sided compressor wheel 100 of the present invention can further comprise a welding material layer 130 formed between the bottom of the first wheel part 110 and the bottom of the second wheel part 120 .
  • the bottom of the first wheel part 110 can be welded to the bottom of the second wheel part 120 through the welding material layer 130 in order to form the two-sided compressor wheel 100 of the present invention.
  • FIG. 5 is a diagram showing the two-sided compressor wheel of the present invention applied to a turbine rotor of a turbo charger.
  • the turbine rotor 10 of the present invention comprises a turbine wheel 20 , a two-sided compressor wheel 100 and a rotor shaft 30 connected between the turbine wheel 20 and the two-sided compressor wheel 100 .
  • the turbine wheel 20 is configured to be driven to rotate by air in an exhaust passage of an internal combustion engine, in order to further drive the two-sided compressor wheel 100 to rotate.
  • the two-sided compressor wheel 100 further compresses air in an intake passage of the internal combustion engine so as to increase efficiency of the internal combustion engine.
  • first blades 112 and the second blades 122 are respectively formed at two sides of the two-sided compressor wheel 100 , compression efficiency for the air in the intake passage of the internal combustion engine can be improved.
  • a hollow structure is formed by the first cavity 116 and the second cavity 126 in the two-sided compressor wheel 100 , so as to reduce weight of the two-sided compressor wheel 100 .
  • the two-sided compressor wheel 100 can be driven by a smaller force in order to further increase the compression efficiency for the air in the intake passage of the internal combustion engine.
  • the turbine rotor 10 can achieve required rotation speed in a shorter time, so as to reduce turbo lag.
  • the two-sided compressor wheel 100 of the present invention can be applied to other fluid compression devices, such as a vacuum cleaner, a hair dryer, etc.
  • the two-sided compressor wheel 100 of the present invention can be connected to a power source (such as a motor) through a shaft, in order to compress air during rotation.
  • FIG. 6 is a diagram showing a second embodiment of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 7 is a cross-sectional view of the two-sided compressor wheel along line A-A of FIG. 6 .
  • a plurality of (or at least one) first positioning structures 218 are formed at the bottom of the first wheel part 210
  • a plurality of (or at least one) second positioning structures 228 are formed at the bottom of the second wheel part 220 .
  • a shape of the second positioning structure 228 corresponds to a shape of the first positioning structure 218 , and the second positioning structure 228 is configured to be engaged with the first positioning structure 218 .
  • the first positioning structure 218 and the second positioning structure 228 are configured to prevent the first wheel part 210 from being moved or rotated relative to the second wheel part 220 during the welding process, in order to prevent misalignment between the first wheel part 210 and the second wheel part 220 , so as to improve welding efficiency.
  • quantities of the first positioning structure 218 and the second positioning structure 228 are not limited to the above embodiment.
  • the two-sided compressor wheel 200 of the present invention can comprise at least one first positioning structure 218 and at least one second positioning structure 228 to achieve the same purposes.
  • the first positioning structure 218 is protruded from the bottom of the first wheel part 210
  • the second positioning structure 228 is recessed from the bottom of the second wheel part 220 , in order to allow the first positioning structure 218 of the first wheel part 210 to engage with the second positioning structure 228 of the second wheel part 220 .
  • the present invention is not limited thereto.
  • the first positioning structure can be recessed from the bottom of the first wheel part 210
  • the second positioning structure can be protruded from the bottom of the second wheel part 220 ; or the first positioning structures can be protruded structure and recessed structures, and the second positioning structures can also be protruded structures and recessed structures.
  • the bottom of the first wheel part 210 can be directly connected to the bottom of the second wheel part 220 by welding (such as by friction welding or electron beam welding) in order to form the two-sided compressor wheel 200 of the present invention.
  • the two-sided compressor wheel 200 of the present invention can further comprise a welding material layer (not shown in figures) formed between the bottom of the first wheel part 210 and the bottom of the second wheel part 220 .
  • the bottom of the first wheel part 210 can be welded to the bottom of the second wheel 220 through the welding material layer in order to form the two-sided compressor wheel 200 of the present invention.
  • FIG. 8 is a diagram showing a third embodiment of the two-sided compressor wheel of the fluid compression device of the present invention.
  • FIG. 9 is a cross-sectional view of the two-sided compressor wheel along line A-A of FIG. 8 .
  • a plurality of first cavities 316 are formed at the bottom of the first wheel part 310
  • a plurality of second cavities 326 are formed at the bottom of the second wheel part 320 .
  • the first cavities 316 are not communicated with the first through hole 314 .
  • the second cavities 326 are not communicated with the second through hole 324 .
  • the two-sided compressor wheel 300 of the present invention comprises can comprise a ring-shaped first cavity surrounding the first through hole 314 and a ring-shaped second cavity surrounding the second through hole 324 instead.
  • the first wheel part 310 and the second wheel part 320 of the two-sided compressor wheel 300 can further comprise corresponding positioning structures engaged with each other.
  • the bottom of the first wheel part 310 can be directly connected to the bottom of the second wheel part 320 by welding (such as by friction welding or electron beam welding) in order to form the two-sided compressor wheel 300 of the present invention.
  • the two-sided compressor wheel 300 of the present invention can further comprise a welding material layer (not shown in figures) formed between the bottom of the first wheel part 310 and the bottom of the second wheel part 320 .
  • the bottom of the first wheel part 310 can be welded to the bottom of the second wheel 320 through the welding material layer in order to form the two-sided compressor wheel 300 of the present invention.
  • the first wheel part 110 , 210 , 310 and the second wheel part 120 , 220 , 320 of the two-sided compressor wheel 100 , 200 , 300 of the present invention are not necessary to be symmetric.
  • the two-sided compressor wheels 100 , 200 , 300 of the present invention can be formed with the cavity (or cavities) on only one wheel part.
  • shapes, positions, and quantities of the first cavities and the second cavities can be different.
  • first through hole 114 , 214 , 314 and the second through hole 124 , 224 , 324 can be different, and contours of the first blades 112 , 212 , 312 and the second blades 122 , 222 , 322 can also be different.
  • the two-sided compressor wheels 100 , 200 , 300 of the present invention can be made of metal, but the present invention is not limited thereto.
  • Connection between the first wheel part 110 , 210 , 310 to the second wheel part 120 , 220 , 320 is not limited to welding.
  • the first wheel part 110 , 210 , 310 and the second wheel part 120 , 220 , 320 can also be connected to each other through an adhesive material.
  • FIG. 10 is a flowchart 400 showing a manufacturing method of the two-sided compressor wheel of the fluid compression device of the present invention.
  • the manufacturing method of the two-sided compressor wheel of the fluid compression device of the present invention comprises the following steps:
  • Step 410 Provide a first wheel part, wherein the first wheel part has a plurality of first blades, a first through hole is formed on the first wheel part along a rotation axis, a first cavity is formed at a bottom of the first wheel part;
  • Step 420 Provide a second wheel part, wherein the second wheel part has a plurality of second blades, a second through hole is formed on the second wheel part along the rotation axis and communicated with the first through hole;
  • Step 430 Connect the bottom of the first wheel part to a bottom of the second wheel part.
  • the manufacturing method of the two-sided compressor wheel of the present invention need not be in the exact order shown. Other steps can be intermediate.
  • the hollow structure is formed inside the two-sided compressor wheel of the fluid compression device of the present invention, such that the weight of the two-sided compressor wheel can be reduced in order to further increase compression efficiency of the fluid compression device. Moreover, since the weight of the two-sided compressor wheel is reduced, when the two-sided compressor wheel of the present invention is applied to a turbine rotor of a turbo charger, the turbine rotor can achieve required rotation speed in a shorter time, so as to reduce turbo lag.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)
US15/393,210 2016-11-22 2016-12-28 Two-sided compressor wheel of fluid compression device and manufacturing method thereof Abandoned US20180142697A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW105138290 2016-11-22
TW105138290A TWI608160B (zh) 2016-11-22 2016-11-22 流體壓縮裝置的雙面壓縮葉輪及其製造方法

Publications (1)

Publication Number Publication Date
US20180142697A1 true US20180142697A1 (en) 2018-05-24

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TW (1) TWI608160B (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150064002A1 (en) * 2013-08-27 2015-03-05 Honeywell International Inc. Structurally asymmetric two-sided turbocharger wheel
CN112586018A (zh) * 2018-08-20 2021-03-30 中兴通讯股份有限公司 用于配置和检测信息完整性的方法和装置
CN112610328A (zh) * 2020-12-22 2021-04-06 无锡科博增压器有限公司 增压器扩压机构
CN114876864A (zh) * 2022-04-11 2022-08-09 哈尔滨工业大学 微涡轮和具有该微涡轮的呼吸机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI390116B (zh) * 2008-02-26 2013-03-21 日本電產股份有限公司 A shaft fan unit connected in series and a frame of an axial fan unit connected in series
CN203362235U (zh) * 2013-07-01 2013-12-25 刘世华 一种增压器涡轮转子减重结构
TWI539074B (zh) * 2013-09-27 2016-06-21 jing-zhong Chen Turbine blower without axial force

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150064002A1 (en) * 2013-08-27 2015-03-05 Honeywell International Inc. Structurally asymmetric two-sided turbocharger wheel
US10233756B2 (en) * 2013-08-27 2019-03-19 Garrett Transportation I Inc. Two-sided turbocharger wheel with differing blade parameters
CN112586018A (zh) * 2018-08-20 2021-03-30 中兴通讯股份有限公司 用于配置和检测信息完整性的方法和装置
CN112610328A (zh) * 2020-12-22 2021-04-06 无锡科博增压器有限公司 增压器扩压机构
CN114876864A (zh) * 2022-04-11 2022-08-09 哈尔滨工业大学 微涡轮和具有该微涡轮的呼吸机

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Publication number Publication date
TW201819751A (zh) 2018-06-01
TWI608160B (zh) 2017-12-11

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Owner name: NOPORVIS CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHAN, CHUN-NENG;LIN, HUI-HUNG;HUNG, KUO-KAI;AND OTHERS;REEL/FRAME:040791/0779

Effective date: 20161228

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