| 摘要 |
The invention relates to a device for heating a fluid, essentially comprising a heating body with a solid element and one or more electric resistors of rectangular section of the PTC type which are arranged in grooves on the exterior surface of the solid element. The latter comprises a U-shaped passage for fluid. The invention also relates to a vehicle engine fitted with such a device for preheating or heating the coolant. The invention also relates to a method for preheating or heating using such a device. |
