ZA711686B - An improvement in or relating to flow control apparatus - Google Patents

An improvement in or relating to flow control apparatus

Info

Publication number
ZA711686B
ZA711686B ZA711686A ZA711686A ZA711686B ZA 711686 B ZA711686 B ZA 711686B ZA 711686 A ZA711686 A ZA 711686A ZA 711686 A ZA711686 A ZA 711686A ZA 711686 B ZA711686 B ZA 711686B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
control apparatus
flow control
flow
Prior art date
Application number
ZA711686A
Other languages
English (en)
Inventor
L Fleischmann
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA711686B publication Critical patent/ZA711686B/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/02—Respiratory apparatus with compressed oxygen or air
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • G05D16/2095—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using membranes within the main valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
ZA711686A 1970-03-25 1971-03-15 An improvement in or relating to flow control apparatus ZA711686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2247670A 1970-03-25 1970-03-25

Publications (1)

Publication Number Publication Date
ZA711686B true ZA711686B (en) 1971-12-29

Family

ID=21809796

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA711686A ZA711686B (en) 1970-03-25 1971-03-15 An improvement in or relating to flow control apparatus

Country Status (8)

Country Link
US (1) US3788310A (xx)
BE (1) BE764809A (xx)
CA (1) CA951216A (xx)
DE (1) DE2114093A1 (xx)
FR (1) FR2085069A5 (xx)
GB (1) GB1341760A (xx)
SE (1) SE359031B (xx)
ZA (1) ZA711686B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109509A (en) * 1977-09-30 1978-08-29 The Bendix Corporation Oxygen monitor and warning device for an aircraft breathing system
GB2201602A (en) * 1987-03-06 1988-09-07 Coal Ind Closed circuit breathing/diving apparatus
US5280780A (en) * 1992-11-09 1994-01-25 Abel Elaine R Oxygen delivery and conserving device
US6003513A (en) * 1996-01-12 1999-12-21 Cochran Consulting Rebreather having counterlung and a stepper-motor controlled variable flow rate valve
PL343276A1 (en) * 1998-03-16 2001-08-13 Inhale Therapeutic Syst Aerosolized active agent delivery
UA73924C2 (en) * 1998-10-09 2005-10-17 Nektar Therapeutics Device for delivering active agent formulation to lungs of human patient
US6606992B1 (en) * 1999-06-30 2003-08-19 Nektar Therapeutics Systems and methods for aerosolizing pharmaceutical formulations
US6192883B1 (en) * 1999-08-03 2001-02-27 Richard L. Miller, Jr. Oxygen flow control system and method
US20030168057A1 (en) * 2001-12-14 2003-09-11 Inhale Therapeutic Systems, Inc. Electronically controllable aerosol delivery
US7185651B2 (en) * 2002-06-18 2007-03-06 Nektar Therapeutics Flow regulator for aerosol drug delivery and methods
US8393323B2 (en) 2008-09-30 2013-03-12 Covidien Lp Supplemental gas safety system for a breathing assistance system
US20110209702A1 (en) * 2010-02-26 2011-09-01 Nellcor Puritan Bennett Llc Proportional Solenoid Valve For Low Molecular Weight Gas Mixtures
CN102788826A (zh) * 2012-08-27 2012-11-21 袁万德 一种原电池式微量氧分析仪

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019804A (en) * 1959-01-05 1962-02-06 Air Reduction Fluid flow and pressure control systems
US3127891A (en) * 1959-09-04 1964-04-07 Bendix Corp Fluid control
US3129719A (en) * 1960-02-02 1964-04-21 Ametek Inc Pilot positioner
US3051192A (en) * 1960-04-20 1962-08-28 Us Rubber Co Control system
US3113582A (en) * 1961-01-11 1963-12-10 Fluidgenics Pressure control system
US3256740A (en) * 1961-09-27 1966-06-21 Taylor Instrument Co Pressure responsive device
US3223102A (en) * 1962-09-10 1965-12-14 Robertshaw Controls Co Electro-pneumatic transducer
US3258025A (en) * 1963-02-04 1966-06-28 Cadillac Gage Co Electro-hydraulic control valve

Also Published As

Publication number Publication date
DE2114093A1 (de) 1971-10-14
SE359031B (xx) 1973-08-20
US3788310A (en) 1974-01-29
GB1341760A (en) 1973-12-25
FR2085069A5 (xx) 1971-12-17
CA951216A (en) 1974-07-16
BE764809A (fr) 1971-09-27

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