IL152267A - Method for reducing noise and cavitation in machines and pressure exchanges which pressurize or depressurize fluids by means of the displacement principle - Google Patents

Method for reducing noise and cavitation in machines and pressure exchanges which pressurize or depressurize fluids by means of the displacement principle

Info

Publication number
IL152267A
IL152267A IL15226701A IL15226701A IL152267A IL 152267 A IL152267 A IL 152267A IL 15226701 A IL15226701 A IL 15226701A IL 15226701 A IL15226701 A IL 15226701A IL 152267 A IL152267 A IL 152267A
Authority
IL
Israel
Prior art keywords
rotor
pressure
pressure liquid
cavitation
body portion
Prior art date
Application number
IL15226701A
Other languages
English (en)
Other versions
IL152267A0 (en
Original Assignee
Energy Recovery Inc
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 Energy Recovery Inc filed Critical Energy Recovery Inc
Publication of IL152267A0 publication Critical patent/IL152267A0/xx
Publication of IL152267A publication Critical patent/IL152267A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F13/00—Pressure exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2042—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
IL15226701A 2000-04-11 2001-04-11 Method for reducing noise and cavitation in machines and pressure exchanges which pressurize or depressurize fluids by means of the displacement principle IL152267A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20001877A NO312563B1 (no) 2000-04-11 2000-04-11 Fremgangsmate for reduksjon av stoy og kavitasjon i en trykkveksler som oker eller reduserer trykket pa fluider ved fortrengningsprinsippet, og en sadan trykkveksler
PCT/NO2001/000165 WO2001077529A2 (en) 2000-04-11 2001-04-11 Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle

Publications (2)

Publication Number Publication Date
IL152267A0 IL152267A0 (en) 2003-05-29
IL152267A true IL152267A (en) 2005-12-18

Family

ID=19911011

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15226701A IL152267A (en) 2000-04-11 2001-04-11 Method for reducing noise and cavitation in machines and pressure exchanges which pressurize or depressurize fluids by means of the displacement principle

Country Status (11)

Country Link
US (1) US6540487B2 (de)
EP (1) EP1276991B1 (de)
CN (1) CN1489672B (de)
AT (1) ATE330121T1 (de)
AU (2) AU2001293339B2 (de)
DE (1) DE60120679T2 (de)
DK (1) DK1276991T3 (de)
ES (1) ES2266244T3 (de)
IL (1) IL152267A (de)
NO (1) NO312563B1 (de)
WO (1) WO2001077529A2 (de)

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Also Published As

Publication number Publication date
WO2001077529A3 (en) 2002-08-08
ATE330121T1 (de) 2006-07-15
US6540487B2 (en) 2003-04-01
WO2001077529A2 (en) 2001-10-18
US20020025264A1 (en) 2002-02-28
CN1489672B (zh) 2012-11-07
IL152267A0 (en) 2003-05-29
DE60120679D1 (de) 2006-07-27
AU2001293339B2 (en) 2007-01-04
DE60120679T2 (de) 2007-06-14
DK1276991T3 (da) 2006-10-02
EP1276991A2 (de) 2003-01-22
NO20001877L (no) 2001-02-01
CN1489672A (zh) 2004-04-14
AU9333901A (en) 2001-10-23
ES2266244T3 (es) 2007-03-01
EP1276991B1 (de) 2006-06-14
NO20001877D0 (no) 2000-04-11
NO312563B1 (no) 2002-05-27

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MM9K Patent not in force due to non-payment of renewal fees