Engine-independent motor vehicle heating device with fuel-air ratio control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5456408
SERIAL NO

08220493

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A motor vehicle heating device which is operable independent of an engine of the motor vehicle and has a burner, a pump or other fuel delivery device for supplying fuel to the burner and an electric motor driven blower by which combustion air is delivered to the burner. In contrast to conventional heating devices in which the fuel-air ratio is set and corrected via a mechanically adjustable bypass screw on the combustion air blower, according to a preferred embodiment of the invention, a correction value is sent to a control device which contains a nonvolatile data storage and a microprocessor; the correction value is stored in the data storage and changes the output signals of the control device to the fuel feed means and/or to the combustion air blower. Thus, adjustment and correction are easily enabled via an electronic change of the speed or cycle frequency of these assemblies, so that mechanical adjustment devices can be omitted.

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Patent Owner(s)

Patent OwnerAddress
WEBASTO THERMOSYSTEME GMBHGERMAN STOCK DOV

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Appel, Josef Gauting, DE 13 103

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