JPS5186815A - - Google Patents

Info

Publication number
JPS5186815A
JPS5186815A JP50011733A JP1173375A JPS5186815A JP S5186815 A JPS5186815 A JP S5186815A JP 50011733 A JP50011733 A JP 50011733A JP 1173375 A JP1173375 A JP 1173375A JP S5186815 A JPS5186815 A JP S5186815A
Authority
JP
Japan
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.)
Pending
Application number
JP50011733A
Other languages
Japanese (ja)
Inventor
Tadao Tanaka
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP50011733A priority Critical patent/JPS5186815A/ja
Priority to DE19762601172 priority patent/DE2601172A1/en
Publication of JPS5186815A publication Critical patent/JPS5186815A/ja
Pending legal-status Critical Current

Links

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
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
JP50011733A 1975-01-27 1975-01-27 Pending JPS5186815A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50011733A JPS5186815A (en) 1975-01-27 1975-01-27
DE19762601172 DE2601172A1 (en) 1975-01-27 1976-01-14 Side channel compressor - with sound damping element fitted to fitted insert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50011733A JPS5186815A (en) 1975-01-27 1975-01-27

Publications (1)

Publication Number Publication Date
JPS5186815A true JPS5186815A (en) 1976-07-29

Family

ID=11786222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50011733A Pending JPS5186815A (en) 1975-01-27 1975-01-27

Country Status (2)

Country Link
JP (1) JPS5186815A (en)
DE (1) DE2601172A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402182A (en) * 1990-07-17 1995-03-28 Mitsubishi Denki Kabushiki Kaisha Automatic white-balance controlling apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806620A1 (en) * 1978-02-16 1979-08-30 Bosch Gmbh Robert FAN, IN PARTICULAR FOR BLOW-OFF OR SUCTION OF SMALL DRILLS
GB2104959B (en) * 1981-08-03 1984-11-14 British Gas Corp Peripheral toroidal blowers
DE3209736C2 (en) * 1982-03-17 1985-08-14 Maschinenfabrik Spandau KG Geco-Pumpentechnik GmbH & Co, 1000 Berlin Peripheral pump
JPH02103194U (en) * 1989-01-31 1990-08-16
DE4244458A1 (en) * 1991-12-27 1993-07-01 Mitsubishi Electric Corp Electric pump supplying by=pass air to vehicle catalytic converters - circulates air inside motor case for cooling of motor, and has noise absorbers in air suction port
DE4230014C1 (en) * 1992-09-08 1994-03-24 Eberspaecher J Device for reducing the noise generated by fans
DE102004048481B3 (en) * 2004-10-05 2006-02-09 J. Eberspächer GmbH & Co. KG Combustion air fan for vehicle heater has silencer with sound damping chamber fitted to conveying channel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402182A (en) * 1990-07-17 1995-03-28 Mitsubishi Denki Kabushiki Kaisha Automatic white-balance controlling apparatus

Also Published As

Publication number Publication date
DE2601172A1 (en) 1976-07-29

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