JP5577031B2 - ルーツ式ブロワの音響学的特性を低減する方法及び装置 - Google Patents

ルーツ式ブロワの音響学的特性を低減する方法及び装置 Download PDF

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Publication number
JP5577031B2
JP5577031B2 JP2008308082A JP2008308082A JP5577031B2 JP 5577031 B2 JP5577031 B2 JP 5577031B2 JP 2008308082 A JP2008308082 A JP 2008308082A JP 2008308082 A JP2008308082 A JP 2008308082A JP 5577031 B2 JP5577031 B2 JP 5577031B2
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Prior art keywords
rotor
lobe
roots
chamber
leakage
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Expired - Fee Related
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JP2008308082A
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Japanese (ja)
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JP2009162220A (ja
JP2009162220A5 (enExample
Inventor
ダブリュー．アルム トッド
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ケアフュージョン ２０３、インコーポレーテッド
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Publication of JP2009162220A5 publication Critical patent/JP2009162220A5/ja
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/068—Silencing the silencing means being arranged inside the pump housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • F04C29/0035—Equalization of pressure pulses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/061—Silencers using overlapping frequencies, e.g. Helmholtz resonators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
JP2008308082A 2007-12-03 2008-12-03 ルーツ式ブロワの音響学的特性を低減する方法及び装置 Expired - Fee Related JP5577031B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US99197707P 2007-12-03 2007-12-03
US60/991,977 2007-12-03
US12/050,541 US7997885B2 (en) 2007-12-03 2008-03-18 Roots-type blower reduced acoustic signature method and apparatus
US12/050,541 2008-03-18

Publications (3)

Publication Number Publication Date
JP2009162220A JP2009162220A (ja) 2009-07-23
JP2009162220A5 JP2009162220A5 (enExample) 2012-01-26
JP5577031B2 true JP5577031B2 (ja) 2014-08-20

Family

ID=40456695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008308082A Expired - Fee Related JP5577031B2 (ja) 2007-12-03 2008-12-03 ルーツ式ブロワの音響学的特性を低減する方法及び装置

Country Status (5)

Country Link
US (1) US7997885B2 (enExample)
EP (1) EP2067998A3 (enExample)
JP (1) JP5577031B2 (enExample)
CN (1) CN101451528B (enExample)
CA (1) CA2644879C (enExample)

Families Citing this family (13)

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NZ560486A (en) 2005-03-01 2009-09-25 Resmed Ltd Recognition system for an apparatus that delivers breathable gas to a patient
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US8479379B2 (en) * 2008-11-03 2013-07-09 Carefusion 202, Inc. Roots-type blower rotor alignment apparatus
US20120020824A1 (en) * 2010-07-20 2012-01-26 Paul Xiubao Huang Roots supercharger with a shunt pulsation trap
USD745056S1 (en) * 2012-06-04 2015-12-08 Eaton Corporation Blower housing
DE202012010401U1 (de) * 2012-10-31 2014-02-03 Hugo Vogelsang Maschinenbau Gmbh Drehkolbenpumpe mit Direktantrieb
US9683521B2 (en) * 2013-10-31 2017-06-20 Eaton Corporation Thermal abatement systems
US10690133B2 (en) * 2015-05-20 2020-06-23 Casappa S.P.A. Gear pump and method for realising it
CN108138774B (zh) 2015-08-17 2021-08-06 伊顿智能动力有限公司 混合齿廓增压器转子
US11746782B2 (en) * 2020-04-03 2023-09-05 Gardner Denver, Inc. Low coefficient of expansion rotors for blowers
CN113007095B (zh) * 2021-01-25 2025-02-25 宿迁学院 一种凸-平共轭的3扭叶转子容积副和斜齿动力副
CN112815070B (zh) * 2021-01-25 2025-02-11 宿迁学院 一种定点共轭的3扭叶容积转子副和动力斜齿轮副
CN116464632B (zh) * 2023-05-10 2025-06-24 德帕姆(杭州)泵业科技有限公司 一种抗冲击的三叶螺旋转子

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EP2067998A3 (en) 2012-10-10
CN101451528A (zh) 2009-06-10
CN101451528B (zh) 2013-03-06
CA2644879C (en) 2016-04-19
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