JPS5278105A - Noise diminishing process in fluid machinery - Google Patents

Noise diminishing process in fluid machinery

Info

Publication number
JPS5278105A
JPS5278105A JP15329575A JP15329575A JPS5278105A JP S5278105 A JPS5278105 A JP S5278105A JP 15329575 A JP15329575 A JP 15329575A JP 15329575 A JP15329575 A JP 15329575A JP S5278105 A JPS5278105 A JP S5278105A
Authority
JP
Japan
Prior art keywords
fluid machinery
noise
diminishing process
noise diminishing
machinery
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.)
Pending
Application number
JP15329575A
Other languages
Japanese (ja)
Inventor
Isao Tsuji
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15329575A priority Critical patent/JPS5278105A/en
Publication of JPS5278105A publication Critical patent/JPS5278105A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H2001/145—Propellers comprising blades of two or more different types, e.g. different lengths

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: Mapping out to perform the noise diminution of the trubo fluid machinery.
COPYRIGHT: (C)1977,JPO&Japio
JP15329575A 1975-12-24 1975-12-24 Noise diminishing process in fluid machinery Pending JPS5278105A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15329575A JPS5278105A (en) 1975-12-24 1975-12-24 Noise diminishing process in fluid machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15329575A JPS5278105A (en) 1975-12-24 1975-12-24 Noise diminishing process in fluid machinery

Publications (1)

Publication Number Publication Date
JPS5278105A true JPS5278105A (en) 1977-07-01

Family

ID=15559340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15329575A Pending JPS5278105A (en) 1975-12-24 1975-12-24 Noise diminishing process in fluid machinery

Country Status (1)

Country Link
JP (1) JPS5278105A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63259195A (en) * 1986-12-11 1988-10-26 Izumo Sangyo Kk Fan system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63259195A (en) * 1986-12-11 1988-10-26 Izumo Sangyo Kk Fan system

Similar Documents

Publication Publication Date Title
JPS5388205A (en) Centrifugal type hydraulic machine
JPS51114989A (en) Oxygen depletion sensor
JPS5278105A (en) Noise diminishing process in fluid machinery
JPS5234563A (en) Vacuum cleaner
JPS5211525A (en) Method of manufacturing headrests
JPS522139A (en) Information processing apparatus
NL7507398A (en) METHOD OF PREPARATION OF GONA-1,3,5 (10), 9 (11) -TETRAENES.
JPS5228709A (en) Hand drum type piston
SU514840A1 (en) The method of obtaining 9,9-dichloro-9 sylafluorene
JPS5382136A (en) Crt display unit
SU499052A1 (en) The method of crushing chips
JPS5212252A (en) Process for electrostatic flocking
JPS5266691A (en) Preparation of carcinostatic agent
JPS5241226A (en) Repellant against mites
JPS51128581A (en) Diaphragm type pressure element
JPS526424A (en) Fluid crystal pseudo dynamic driving system
JPS51139218A (en) Memory
JPS51131153A (en) Vertical blind
JPS5352687A (en) Preparation of choline-oxidase
JPS51133671A (en) Hydraulic device with deairing device
JPS51140060A (en) Plus pressure type vacuum pinset
JPS5371307A (en) Manufacturing method of siroccofan
JPS523909A (en) Rotary engine
JPS5276707A (en) Gear pump or motor
JPS5260600A (en) Smoke sensing system