IT1228791B - Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo. - Google Patents

Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo.

Info

Publication number
IT1228791B
IT1228791B IT1998289A IT1998289A IT1228791B IT 1228791 B IT1228791 B IT 1228791B IT 1998289 A IT1998289 A IT 1998289A IT 1998289 A IT1998289 A IT 1998289A IT 1228791 B IT1228791 B IT 1228791B
Authority
IT
Italy
Prior art keywords
voltage
gas mask
air flow
motor current
power regulation
Prior art date
Application number
IT1998289A
Other languages
English (en)
Other versions
IT8919982A0 (it
Inventor
Jorma Ponkala
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Priority to IT1998289A priority Critical patent/IT1228791B/it
Publication of IT8919982A0 publication Critical patent/IT8919982A0/it
Application granted granted Critical
Publication of IT1228791B publication Critical patent/IT1228791B/it

Links

Landscapes

  • Control Of Positive-Displacement Air Blowers (AREA)
IT1998289A 1989-03-31 1989-03-31 Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo. IT1228791B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT1998289A IT1228791B (it) 1989-03-31 1989-03-31 Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998289A IT1228791B (it) 1989-03-31 1989-03-31 Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo.

Publications (2)

Publication Number Publication Date
IT8919982A0 IT8919982A0 (it) 1989-03-31
IT1228791B true IT1228791B (it) 1991-07-03

Family

ID=11162842

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998289A IT1228791B (it) 1989-03-31 1989-03-31 Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo.

Country Status (1)

Country Link
IT (1) IT1228791B (it)

Also Published As

Publication number Publication date
IT8919982A0 (it) 1989-03-31

Similar Documents

Publication Publication Date Title
SE8900699D0 (sv) Saett att reglera lufttillfoerseln till en gasmask och gasmask foer genomfoerande av saettet
EP0747798A3 (en) Temperature and current dependent regulated voltage source
JPS57211543A (en) Electric current control device for oxygen sensor
KR880012896A (ko) 송풍기 속도 제어회로
DK563387D0 (da) Styreindretning til styring af energiforsyningen til en oscillerende motor til drift af en kompressorenhed af resonansstempeltypen, og en kompressorenhed af resonansstempeltypen med en saadan styreenhed
ATE149636T1 (de) Gasturbinenregelsystem
MY112342A (en) Air conditioner
FR2574479B1 (fr) Dispositif electronique pour le pilotage d'un ensemble comprenant un moteur diesel entrainant un generateur alimentant un moteur electrique
IT1228791B (it) Metodo per regolare la quantita' d'aria fornita ad una maschera antigas, e maschera antigas utilizzante il metodo.
KR850000711A (ko) 풍량제어장치(風量制御裝置)
EP0413555A1 (en) Positive pressure breathing apparatus
ATE190127T1 (de) Heilklimagerät
DE3664513D1 (en) Control device for a water supply installation
JPS57155045A (en) Air conditioner
ATE247232T1 (de) Belüftungssystem
DE59510149D1 (de) Ventilator mit Feuchtesensor in natürlicher Luftströmung
GB2248700A (en) Device for controlling change in idling
JPS57119857A (en) Control method for electrostatic precipitator
KR940000867Y1 (ko) 컴퓨터의 팬 모터 제어회로
RU1802273C (ru) Газова горелка
MX9702829A (es) Metodo y aparato para controlar el voltaje suministrado a un dispositivo semiconductor.
JPS57159315A (en) Temperature controller for livestock house
ES257277U (es) Dispositivo para reduccion de humedad relativa ambiental porozonizacion
JPS5692354A (en) Engine ignition timing control device
JPS56105516A (en) Direct current regulated power supply

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990226