Motor vehicle heating device

Details Motor vehicle heating device Motor vehicle heating device

1996-10-21

1998-04-14

Bennett, Henry A.

Combustion

Timer, programmer, retarder or condition responsive control

By condition of burner feed or feed means

431 12, 431 18, 237 123C, F23N 524

Patent

active

057385068

ABSTRACT:
The invention relates to motor vehicle heating device with a burner, to which combustion air is supplied via combustion air inlet openings by means of a fan and to which furthermore fuel gas is supplied via a fuel gas supply line, combustion air and fuel gas entering on the intake side of the fan. It is provided according to the invention for a simpler structure and good mixing of the fuel gas/combustion air mixture that entry of fuel gas is controlled by means of a valve or switch controlled by the negative pressure of the fan. Fuel gas is supplied in doing so, preferably, with a negative pressure which is less than atmospheric pressure. For especially simple control of gas supply, there is a membrane which causes the fuel gas supply line to close when the fan stops.

REFERENCES:
patent: 5616021 (1997-04-01), Onimaru et al.
patent: 5630408 (1997-05-01), Versluis

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