CA1081870A - Detecteur de fumee par ionisation a sensibilite amelioree - Google Patents

Detecteur de fumee par ionisation a sensibilite amelioree

Info

Publication number: CA1081870A
Authority: CA; Canada
Prior art keywords: housing; smoke; chamber; ionization; arcuate
Prior art date: 1977-08-31
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

Application number

CA298,180A

Other languages

English (en)

Inventor

John J. Dobrzanski

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.)

Emhart Industries Inc

Original Assignee

Emhart Industries 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.)

1977-08-31

Filing date

1978-03-03

Publication date

1980-07-15

1977-10-04 Priority claimed from US05/839,352 external-priority patent/US4163716A/en

1978-03-03 Application filed by Emhart Industries Inc filed Critical Emhart Industries Inc

1980-07-15 Application granted granted Critical

1980-07-15 Publication of CA1081870A publication Critical patent/CA1081870A/fr

Status Expired legal-status Critical Current

Links

239000000779 smoke Substances 0.000 title claims abstract description 68
230000035945 sensitivity Effects 0.000 title abstract description 8
239000013618 particulate matter Substances 0.000 claims abstract description 15
239000011236 particulate material Substances 0.000 claims description 2
230000000694 effects Effects 0.000 abstract description 4
230000002411 adverse Effects 0.000 abstract description 2
206010069201 Smoke sensitivity Diseases 0.000 abstract 2
239000003570 air Substances 0.000 description 18
238000001514 detection method Methods 0.000 description 5
150000002500 ions Chemical class 0.000 description 5
230000005686 electrostatic field Effects 0.000 description 3
230000002093 peripheral effect Effects 0.000 description 3
239000000443 aerosol Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000012857 radioactive material Substances 0.000 description 2
239000012080 ambient air Substances 0.000 description 1
JXSJBGJIGXNWCI-UHFFFAOYSA-N diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate Chemical compound CCOC(=O)CC(SP(=S)(OC)OC)C(=O)OCC JXSJBGJIGXNWCI-UHFFFAOYSA-N 0.000 description 1
231100001261 hazardous Toxicity 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000013011 mating Effects 0.000 description 1
239000007769 metal material Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
239000002991 molded plastic Substances 0.000 description 1
229940061319 ovide Drugs 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
230000002285 radioactive effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1

Landscapes

Fire-Detection Mechanisms (AREA)

CA298,180A 1977-08-31 1978-03-03 Detecteur de fumee par ionisation a sensibilite amelioree Expired CA1081870A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US839,352		1977-08-31
US05/839,352 US4163716A (en)	1973-10-22	1977-10-04	Process for the purification of contaminated water

Publications (1)

Publication Number	Publication Date
CA1081870A true CA1081870A (fr)	1980-07-15

Family

ID=25279512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA298,180A Expired CA1081870A (fr)	1977-08-31	1978-03-03	Detecteur de fumee par ionisation a sensibilite amelioree

Country Status (1)

Country	Link
CA (1)	CA1081870A (fr)

1978
- 1978-03-03 CA CA298,180A patent/CA1081870A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1997-07-15	MKEX	Expiry