GAS DETECTING DEVICE FOR VEHICLE

PROBLEM TO BE SOLVED: To ensure a flow rate to a gas sensor even when the whole of a filter is wet and to ensure removing performance (filter performance) for refuse and dust. SOLUTION: An air intake is opened at the lower part of the front of a case 1 and meanwhile, an air discharge port 1d is open...

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Bibliographic Details
Main Author DAIMON YUJI
Format Patent
LanguageEnglish
Published 15.02.2000
Edition7
Subjects
ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PHYSICS
SEPARATION
TESTING
TRANSPORTING
VEHICLES IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To ensure a flow rate to a gas sensor even when the whole of a filter is wet and to ensure removing performance (filter performance) for refuse and dust. SOLUTION: An air intake is opened at the lower part of the front of a case 1 and meanwhile, an air discharge port 1d is opened to the upper part of the rear of the case 1. An air passage 13 through which air flows from the air intake to an air outlet is formed in the case 1. Filters 2a and 2b are arranged in a state to interrupt an air passage 13, and a gas sensor 3 is arranged in a position situated downstream from the filters 2a and 2b of the air passage 13. A bypass passage 14 having one end opened to the end face on the upper stream side of the air passage 13 and the other end opened to the end face on the downstream side of the air passage 13 is formed in the filters 2a and 2b obliquely to a flow (a) of air in the air passage 13.
Bibliography:Application Number: JP19980212420