B - Operations – Transporting – 60 – H
Patent
B - Operations, Transporting
60
H
73/104
B60H 3/06 (2006.01) G01N 33/00 (2006.01)
Patent
CA 1282257
ABSTRACT The present invention relates to an apparatus used to detect noxious substances in air that is supplied to accommodation used for personnel, preferably the cab of a motor vehicle, by the use of one or a plurality of sensors, and to indicate and/or control and/or regulate filter systems and/or ventilation systems, depending on the value or values provided by the sensor or sensors. In order to create an apparatus of the type described, which is economical and requires little maintenance, takes up little space when installed, which responds to all the usual contminants present in the air, and which ensures that a reliable warning of these is given, the present invention proposes that the sensor be located within a housing, the incident side of said sensor being preceded by a measurement port within said housing, said measure- ment port opening out into an air chamber of the housing, a pulsator being arranged within this air chamber, one or a plural- ity of air inlet ports opening into the cylinder space of said air chamber that is remote from the sensor. The pulsator is form- ed by a piston that is coupled to an oscillator. An air condition- ing apparatus is provided within the air chamber, preferably as a heating apparatus.
507198
Dewert Heribert
Gresch Heinrich
Holter Heinz
Igelbuscher Heinrich
Dewert Heribert
Fetherstonhaugh & Co.
Gresch Heinrich
Holter Heinz
Igelbuscher Heinrich
LandOfFree
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