JPS56501496A - - Google Patents

Info

Publication number
JPS56501496A
JPS56501496A JP50251280A JP50251280A JPS56501496A JP S56501496 A JPS56501496 A JP S56501496A JP 50251280 A JP50251280 A JP 50251280A JP 50251280 A JP50251280 A JP 50251280A JP S56501496 A JPS56501496 A JP S56501496A
Authority
JP
Japan
Prior art keywords
enclosure
error values
valves
steps
gas
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
JP50251280A
Other languages
English (en)
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 filed Critical
Publication of JPS56501496A publication Critical patent/JPS56501496A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
    • G05D16/2046—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means the plurality of throttling means being arranged for the control of a single pressure from a plurality of converging pressures
    • G05D16/2053—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means the plurality of throttling means being arranged for the control of a single pressure from a plurality of converging pressures the plurality of throttling means comprising only a first throttling means acting on a higher pressure and a second throttling means acting on a lower pressure, e.g. the atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/04—Dust-free rooms or enclosures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0005—Control or safety arrangements for ventilation for admittance of outside air to create underpressure in a room, keeping contamination inside
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Clinical Laboratory Science (AREA)
  • Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Fluid Pressure (AREA)
  • Flow Control (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Casings For Electric Apparatus (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
JP50251280A 1979-11-09 1980-11-10 Pending JPS56501496A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPE127979 1979-11-09

Publications (1)

Publication Number Publication Date
JPS56501496A true JPS56501496A (ja) 1981-10-15

Family

ID=3768329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50251280A Pending JPS56501496A (ja) 1979-11-09 1980-11-10

Country Status (7)

Country Link
US (1) US4485729A (ja)
EP (1) EP0040213B1 (ja)
JP (1) JPS56501496A (ja)
AT (1) ATE9513T1 (ja)
CA (1) CA1161140A (ja)
DE (1) DE3069231D1 (ja)
WO (1) WO1981001455A1 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63111869A (ja) * 1986-10-29 1988-05-17 株式会社　青木建設 排水滅菌オ−トクレ−ブ装置
US4781107A (en) * 1986-12-09 1988-11-01 Nilsson Nils Johan Method and apparatus for maintaining a zero-pressure type plant
FI83134C (fi) * 1987-12-18 1991-05-27 Ilmaterae Oy Foerfarande och anordning foer reglering av luftstroemmar och tryck i luftkonditionering.
US4905579A (en) * 1988-03-11 1990-03-06 Dame Richard E Radon gas ventilation pump system and method
GB2222705A (en) * 1988-05-19 1990-03-14 Thomas Arthur Wisbey Wheeler Reduced pressure enclosure
US4905578A (en) * 1989-01-03 1990-03-06 Curtis Michael S Apparatus for ventilating controlled areas
US4995307A (en) * 1989-09-11 1991-02-26 Bobby Floyd Variable air volume ventilation system and method
US5145124A (en) * 1990-07-12 1992-09-08 Allied-Signal Inc. Fluid conditioning system and apparatus
DK166229C (da) * 1990-11-02 1993-08-16 Netavent As Ventilationssystem
CA2029545C (en) * 1990-11-09 1996-04-23 Jerry Edward Dick Continuous containment monitoring with containment pressure fluctuation
US5720658A (en) * 1992-02-11 1998-02-24 Belusa; Manfred L. Space pressurization control system for high containment laboratories
GB9317845D0 (en) * 1993-08-27 1993-10-13 Thermac Hire Ltd A method and apparatus for air-conditioning a working enclosure
US6033302A (en) * 1997-11-07 2000-03-07 Siemens Building Technologies, Inc. Room pressure control apparatus having feedforward and feedback control and method
EP0950866B1 (fr) * 1998-04-14 2006-06-14 Laboratoires Genevrier Procédé de réalisation de cultures cellulaires
US6221160B1 (en) * 1999-02-03 2001-04-24 Taiwan Semiconductor Manufacturing Co., Ltd Method and apparatus for environmental control in a process chamber
DE10014497C1 (de) * 2000-03-23 2001-08-09 Daimler Chrysler Ag System zur Steigerung der Kondition
US20070190474A1 (en) * 2006-02-01 2007-08-16 Su Chao A Systems and methods of controlling systems
PL1947400T3 (pl) * 2007-01-17 2014-09-30 Schako Klima Luft Sposób i urządzenie do napowietrzania i odpowietrzania pomieszczenia
US9372009B2 (en) 2007-08-17 2016-06-21 Siemens Industry, Inc. Pressure control with coarse and fine adjustment
JP5681553B2 (ja) * 2011-04-22 2015-03-11 アズビル株式会社 室圧制御システム
CN106855284A (zh) * 2015-12-08 2017-06-16 安徽东冠器械设备有限公司 一种实验室压力自动调节控制系统
US11435098B2 (en) 2019-03-15 2022-09-06 Johnson Controls Tyco IP Holdings LLP System and method for access control using differential air pressure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078778A (en) * 1959-05-29 1963-02-26 United Aircraft Corp Flow control system for pressurized aircraft compartment
US3107974A (en) * 1959-06-01 1963-10-22 Reginald Robbins Method and systme for the prevention of the spread of infectious disease by airbornemicroorganisms
CH408577A (de) * 1961-08-29 1966-02-28 Weisheit Georg Als Stellglied eines Regelkreises verwendbares Magnetventil
DE1893694U (de) * 1963-09-26 1964-05-27 Friedrich Dipl Ing Ortmann Saugluftfilter mit den zuluft- und abluftgeblaesen vorgeschalteten filterkoerpern.
US3695774A (en) * 1971-06-01 1972-10-03 Lyle F Martz Blower system and control system therefor
US3837571A (en) * 1972-11-15 1974-09-24 Dynamics Corp America Self-controlled air distribution system
DE2655855C3 (de) * 1976-12-09 1985-08-22 Alkem Gmbh, 6450 Hanau Automatische Innendruckregelung von gasdichten Räumen
FR2432144A1 (fr) * 1978-06-09 1980-02-22 Omia Soc Dispositif de reglage de debit d'air, notamment pour cabines de peinture

Also Published As

Publication number Publication date
EP0040213A4 (en) 1982-01-08
WO1981001455A1 (en) 1981-05-28
ATE9513T1 (de) 1984-10-15
DE3069231D1 (en) 1984-10-25
EP0040213B1 (en) 1984-09-19
CA1161140A (en) 1984-01-24
US4485729A (en) 1984-12-04
EP0040213A1 (en) 1981-11-25

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