JP2016113902A5 - - Google Patents

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Publication number
JP2016113902A5
JP2016113902A5 JP2014250758A JP2014250758A JP2016113902A5 JP 2016113902 A5 JP2016113902 A5 JP 2016113902A5 JP 2014250758 A JP2014250758 A JP 2014250758A JP 2014250758 A JP2014250758 A JP 2014250758A JP 2016113902 A5 JP2016113902 A5 JP 2016113902A5
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JP
Japan
Prior art keywords
speed
inlet diameter
range
rotations
speed increase
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JP2014250758A
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Japanese (ja)
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JP6392655B2 (en
JP2016113902A (en
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Priority to JP2014250758A priority Critical patent/JP6392655B2/en
Priority claimed from JP2014250758A external-priority patent/JP6392655B2/en
Priority to EP15867594.2A priority patent/EP3239489B1/en
Priority to PCT/JP2015/083285 priority patent/WO2016093072A1/en
Publication of JP2016113902A publication Critical patent/JP2016113902A/en
Priority to US15/611,654 priority patent/US20170268527A1/en
Publication of JP2016113902A5 publication Critical patent/JP2016113902A5/ja
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Publication of JP6392655B2 publication Critical patent/JP6392655B2/en
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すなわち、エンジンの最大回転数をNm(rev/min)、増速比をα、音速をVs(mm/s)とすると、下記の(1)式が成立する。
[(Nm×α)/60]×π×Ii>Vs ・・・(1)
本実施形態では音速の1.3倍に設定されるので、入口径Ii(mm)は、つぎの範囲に設定される。
1.3×Vs>[(Nm×α)/60]×π×Ii>Vs
[(1.3Vs×60)/(Nm×π)]>Ii>[(Vs×60)/(Nm×π)]
つまり、本実施形態のように増速後の過給機の最大回転数が毎分14万回転の場合、入口径Iiは45mmを超えて59mm未満が好ましい範囲となる。本実施形態では、入口径Ii(mm)は、52mmに設定される。
That is, when the maximum engine speed is Nm (rev / min), the speed increase ratio is α, and the sound speed is Vs (mm / s), the following equation (1) is established.
[(Nm × α) / 60] × π × Ii> Vs (1)
In this embodiment, since it is set to 1.3 times the sound speed, the inlet diameter Ii (mm) is set to the following range.
1.3 × Vs> [(Nm × α) / 60] × π × Ii> Vs
[(1.3 Vs × 60) / (Nm × π) ]> Ii > [(Vs × 60) / (Nm × π)]
That is, when the maximum number of rotations of the turbocharger after the speed increase is 140,000 rotations per minute as in this embodiment, the inlet diameter Ii is preferably in the range of more than 45 mm and less than 59 mm. In the present embodiment, the inlet diameter Ii (mm) is set to 52 mm.

JP2014250758A 2014-12-11 2014-12-11 Turbocharger impeller Active JP6392655B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014250758A JP6392655B2 (en) 2014-12-11 2014-12-11 Turbocharger impeller
EP15867594.2A EP3239489B1 (en) 2014-12-11 2015-11-26 Impeller for supercharger
PCT/JP2015/083285 WO2016093072A1 (en) 2014-12-11 2015-11-26 Impeller for supercharger
US15/611,654 US20170268527A1 (en) 2014-12-11 2017-06-01 Impeller for supercharger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014250758A JP6392655B2 (en) 2014-12-11 2014-12-11 Turbocharger impeller

Publications (3)

Publication Number Publication Date
JP2016113902A JP2016113902A (en) 2016-06-23
JP2016113902A5 true JP2016113902A5 (en) 2017-08-24
JP6392655B2 JP6392655B2 (en) 2018-09-19

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ID=56141321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014250758A Active JP6392655B2 (en) 2014-12-11 2014-12-11 Turbocharger impeller

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JP (1) JP6392655B2 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53134208A (en) * 1977-04-27 1978-11-22 Hitachi Ltd Centrifugal blower impeller
JPS59120338A (en) * 1982-12-28 1984-07-11 Nippon Light Metal Co Ltd Production of impeller
JPH075201Y2 (en) * 1987-07-08 1995-02-08 石川島播磨重工業株式会社 Turbine shaft structure
JPH01232118A (en) * 1988-03-10 1989-09-18 Yamaha Motor Co Ltd Motorbicycle engine
US5887576A (en) * 1995-04-20 1999-03-30 Wheeler, Jr.; Floyd James Centrifugal air compressor
JP3719337B2 (en) * 1998-09-11 2005-11-24 日産自動車株式会社 Centrifugal compressor
JP5465497B2 (en) * 2009-09-15 2014-04-09 株式会社オティックス Manufacturing method of impeller for compressor
JP5081268B2 (en) * 2010-03-31 2012-11-28 本田技研工業株式会社 Electric compressor
JP2012176417A (en) * 2011-02-25 2012-09-13 Mitsubishi Heavy Ind Ltd Method for manufacturing impeller
EP2899383B1 (en) * 2012-09-13 2019-02-20 Kawasaki Jukogyo Kabushiki Kaisha Supercharger equipped engine

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