Internal temp. detector for motor vehicle - has thermal device in stand pipe leading heated air to temp. sensor

Abstract

An arrangement for detecting the interior temp. of a motor vehicle contains a temp. sensor (17) inside a sensor tube (19) which is connected to the vehicle interior (10) to form an air flow over the sensor and to a reduced pressure source in the vehicle. A thermal device (24) which produces an air flow by heating is connected to the sensor tube downstream of the temp. sensor. The thermal device has a stand pipe (21) branching off from the sensor tube, opening into the interior above the sensor tube inlet and coupled to the heat source. ADVANTAGE - Ensures min. ventilation of temp. sensor even when the reduced pressure source fails.

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Patent Citations (1)

    Publication numberPublication dateAssigneeTitle
    DE-2531015-C2November 14, 1991Robert Bosch Gmbh, 7000 Stuttgart, De

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Cited By (9)

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    DE-10154542-A1May 15, 2003Siemens AgRegeleinrichtung
    DE-10249583-A1May 13, 2004Preh-Werke Gmbh & Co. KgAnordnung zur Ermittlung der Innenraumtemperatur
    DE-29717626-U1January 02, 1998Behr Gmbh & CoVorrichtung zum Messen von Luftparametern für ein Kraftfahrzeug
    EP-0659599-A1June 28, 1995PREH-WERKE GmbH & Co. KGRégulateur de conditionnement d'air pour véhicule
    EP-0796751-A3March 18, 1998GKR Gesellschaft für Fahrzeugklimaregelung mbHAir conditioning device
    EP-1413463-A3August 25, 2004Preh GmbHEnsemble de détermination de la température à l'interieur
    US-8382368-B2February 26, 2013Valeo Systemes ThermiquesTemperature detection device for the passenger compartment of a vehicle
    WO-0130597-A1May 03, 2001Scania Cv Aktiebolag (Publ)Arrangement for calculating the temperature in the driver's space of a vehicle
    WO-2008107383-A1September 12, 2008Valeo Systemes ThermiquesTemperature detection device for the passenger compartment of a vehicle