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US 6,724,983 B1Granted
Heater part, especially for a vehicle water or air heater which is operated with liquid fuel
AssigneeJ. Eberspächer GmbH & Co. KG
InventorsMichael Humburg, Hermann Eppler
Life of this patent
Estimating the term…
Abstract
The invention relates to a heater part, especially for a liquid fuel-operated vehicle water or air heater in the form of a supplementary heater or an auxiliary heater with a burner and a heat-exchanger. According to the invention, at least one part of a fuel heater (1) and at least one part of an electric heater (1′) are provided as a structural unit, in particular in order to retrofit or expand an electrically operated heater (1′) with a heater (1) for fuel operation.
Claims13
A heating equipment portion operated with liquid fuel, of a motor vehicle, in the form of a supplementary heater or auxiliary heater,
- comprising a burner and a heat exchanger,
- wherein
- at least one portion of said fuel-operated heating equipment is provided as a constructional unit together with at least a portion of an electric heating equipment, and
- wherein the constructional unit includes at least one electric heating loop or coil and a jacket portion comprising an inner and outer jacket portion of a heat exchanger of a fuel-operated heating equipment, with the electric heating loop or coil extending substantially on an outer periphery of the inner jacket portion or on an inner periphery of the outer jacket portion.
1 more element
Dependencies are inferred from the claim text.