Patent ID: 6902391

Claim:
A vehicle heating system fuel-operated heating burner temperature-controlled fuel valve, comprising: a valve member that is adjustable as a function of a temperature in the area of a heating burner, said fuel valve further comprising a valve structure defining a feed area and two drain areas, the valve member interrupting a connection between the feed area and the two drain areas at a temperature in a first temperature range, the valve member not interrupting the connection between the feed area and the two drain areas at a temperature in a second temperature range that is higher than the first temperature range, and the valve member not interrupting the connection between the feed area and one of the drain areas and interrupts the connection between the feed area and the other of the drain areas at a temperature in a third temperature range that is higher than the second temperature range wherein the valve structure is a valve body with a first flow path area that can be brought into connection with the feed area and leads to the first drain area and to a second flow path area, and the second flow path area leads to a second drain area and the valve member has a first valve member surface and a second valve member surface directed opposite the first valve member surface and a first valve seat surface and a second valve seat surface are provided in the valve body for the first valve member surface and the second valve member surface, respectively, the first flow path area opening into the fast valve seat surface and the second flow path area opening into the second valve seat surface.