CA2055101C - Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire - Google Patents

Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire

Info

Publication number: CA2055101C
Authority: CA; Canada
Prior art keywords: room; fume hood; air; fume; controller
Prior art date: 1991-11-07
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.): Expired - Fee Related

Application number

CA 2055101

Other languages

English (en)

Other versions

CA2055101A1 (fr

Inventor

Osman Ahmed

Steven Arthur Bradley

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.)

Siemens Industry Inc

Original Assignee

Siemens Building Technologies 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.)

1991-11-07

Filing date

1991-11-07

Publication date

1999-03-23

1991-11-07 Application filed by Siemens Building Technologies Inc filed Critical Siemens Building Technologies Inc

1991-11-07 Priority to CA 2055101 priority Critical patent/CA2055101C/fr

1993-05-08 Publication of CA2055101A1 publication Critical patent/CA2055101A1/fr

1999-03-23 Application granted granted Critical

1999-03-23 Publication of CA2055101C publication Critical patent/CA2055101C/fr

2011-11-07 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000003517 fume Substances 0.000 title claims abstract description 195
238000004378 air conditioning Methods 0.000 claims abstract description 8
238000010438 heat treatment Methods 0.000 claims abstract description 7
230000004044 response Effects 0.000 abstract description 4
230000007246 mechanism Effects 0.000 description 14
238000010586 diagram Methods 0.000 description 11
230000009471 action Effects 0.000 description 9
230000008859 change Effects 0.000 description 8
230000006870 function Effects 0.000 description 6
238000013461 design Methods 0.000 description 5
238000009434 installation Methods 0.000 description 4
238000000034 method Methods 0.000 description 4
230000001473 noxious effect Effects 0.000 description 4
239000000853 adhesive Substances 0.000 description 3
230000001070 adhesive effect Effects 0.000 description 3
239000011324 bead Substances 0.000 description 3
230000008901 benefit Effects 0.000 description 3
238000012937 correction Methods 0.000 description 3
238000001914 filtration Methods 0.000 description 3
229920000728 polyester Polymers 0.000 description 3
238000009423 ventilation Methods 0.000 description 3
238000004364 calculation method Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000010926 purge Methods 0.000 description 2
230000003252 repetitive effect Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
HLCHESOMJVGDSJ-UHFFFAOYSA-N thiq Chemical compound C1=CC(Cl)=CC=C1CC(C(=O)N1CCC(CN2N=CN=C2)(CC1)C1CCCCC1)NC(=O)C1NCC2=CC=CC=C2C1 HLCHESOMJVGDSJ-UHFFFAOYSA-N 0.000 description 2
NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
241000950638 Symphysodon discus Species 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000010354 integration Effects 0.000 description 1
239000004973 liquid crystal related substance Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
239000012466 permeate Substances 0.000 description 1
230000008569 process Effects 0.000 description 1
238000005070 sampling Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
230000000007 visual effect Effects 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Landscapes

Devices For Use In Laboratory Experiments (AREA)
Ventilation (AREA)

CA 2055101 1991-11-07 1991-11-07 Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire Expired - Fee Related CA2055101C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2055101 CA2055101C (fr)	1991-11-07	1991-11-07	Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2055101 CA2055101C (fr)	1991-11-07	1991-11-07	Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire

Publications (2)

Publication Number	Publication Date
CA2055101A1 CA2055101A1 (fr)	1993-05-08
CA2055101C true CA2055101C (fr)	1999-03-23

Family

ID=4148716

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2055101 Expired - Fee Related CA2055101C (fr)	1991-11-07	1991-11-07	Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire

Country Status (1)

Country	Link
CA (1)	CA2055101C (fr)

1991
- 1991-11-07 CA CA 2055101 patent/CA2055101C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2055101A1 (fr)	1993-05-08

Similar Documents

Publication	Publication Date	Title
US5115728A (en)	1992-05-26	System for controlling the differential pressure of a room having laboratory fume hoods
US5090303A (en)	1992-02-25	Laboratory fume hood control apparatus having improved safety considerations
US5170673A (en)	1992-12-15	Method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors
US5092227A (en)	1992-03-03	Apparatus for controlling the ventilation of laboratory fume hoods
AU666609B2 (en)	1996-02-15	Method and apparatus for controlling fume hood face velocity using variable by-pass resistance
AU746255B2 (en)	2002-04-18	Laboratory fume hood controller utilizing object detection
EP0824043B1 (fr)	2003-01-08	Procédé de surveillance et d'indication de la velocité d'ouverture de la porte d'une hotte de laboratoire
US6914532B2 (en)	2005-07-05	Method and apparatus for alarm verification in a ventilation system
US5215497A (en)	1993-06-01	Fume hood controller
US6358137B1 (en)	2002-03-19	Laboratory fume hood control apparatus having rotary sash door position sensor
US5090304A (en)	1992-02-25	Apparatus for determining the position of a moveable structure along a track
CA2055101C (fr)	1999-03-23	Systeme de controle de la pression differentielle d'une piece munie de hottes aspirantes de laboratoire
EP0494872B1 (fr)	1998-04-08	Systeme d'aeration
AU635694B1 (en)	1993-03-25	System for controlling the differential pressure of a room having laboratory fume hoods
JP2715023B2 (ja)	1998-02-16	煙霧フードの換気を制御する装置
AU635484B1 (en)	1993-03-18	Apparatus for controlling the ventilation of laboratory fume hoods
AU653557B2 (en)	1994-10-06	A method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors
AU635695B1 (en)	1993-03-25	Laboratory fume hood control apparatus having improved safety considerations
CA2055147C (fr)	1999-11-02	Appareil permettant de determiner la grandeur de l'ouverture laissee par des panneaux mobiles multiples et methode connexe
CA2055126C (fr)	1997-07-29	Appareil servant a regulariser la ventilation des hottes d'evacuation des gaz de laboratoire
JP2782482B2 (ja)	1998-07-30	煙霧フードを有する室の差圧制御システム
JP2715022B2 (ja)	1998-02-16	複数の可動ドアによって覆うべき開口の非覆いサイズを求める方法及び装置
CA2055100A1 (fr)	1993-05-08	Hotte aspirante de laboratoire a securite superieure
JPH05158549A (ja)	1993-06-25	煙霧フード制御装置
JPH05156863A (ja)	1993-06-22	可動構造体の位置を求める装置

Legal Events

Date	Code	Title	Description
1996-01-17	EEER	Examination request
2005-11-07	MKLA	Lapsed