Abstract: A temperature sensor for measuring and/or monitoring the temperature of a medium flowing in a flow conduit of an internal combustion engine. The sensor has a one-piece plastic body with a sensor and plug part, a resistor element, connecting plug tongues, and a housing that receives the sensor part. In order to reduce production and installation costs and to attain other advantages as well, the housing is of temperature-resistant plastic that absorbs little moisture, sprayed directly onto the sensor part. For sealingly and securing the housing in a receiving bore in the wall of the flow conduit, a radially protruding annular bead is injection molded to the housing, and a sealing ring is plastic between the plug part and the annular bead.

Abstract: In a temperature sensor for measuring and/or monitoring the temperature of a medium, in particular air, flowing in a flow conduit, in particular an intake tube, of an internal combustion engine, having a plastic body that can be plugged into a receiving bore and that carries a plastic plug with electrical connections and carries a plastic part, which has a resistor element and protrudes into the flow conduit, in order to reduce the manufacture and installation cost, at least one annular sealing bead, which produces the seal in relation to the inner wall of the receiving bore, and snap hooks are molded on the plastic body, which hooks engage behind radial shoulders embodies in the receiving bore.

Abstract: A temperature probe in which mechanical oscillatory excitation that can lead to fracture of the connecting lines is prevented and the response time of the temperature probe to temperature changes is shortened. According to the invention, a resistance element is disposed in a flow window of the temperature probe which is formed by a protective bracket and which projects into a flow line. At least one of the connecting lines that is connected with the resistance element exhibits at least one bent point, which is held in at least one retaining opening formed in the protective bracket, whereby the connecting lines are stabilized. The temperature probe may be used for measuring the temperature of intake air in an intake pipe of a mixture-compressing, external-ignition internal combustion engine.