Apparatus for controlling the temperature of fuel in a motor veh

Details Apparatus for controlling the temperature of fuel in a motor veh Apparatus for controlling the temperature of fuel in a motor veh

1996-09-27

1998-12-15

Lazarus, Ira S.

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

165 481, 165 41, 123 4112, 236 13, 219497, F25B 2900, F28F 100

Patent

active

058486402

ABSTRACT:
An apparatus for controlling the temperature of fuel in a motor vehicle fuel tank is described. The apparatus includes a cold valve (24) fluidly interposed between a cold fluid source (20) and a cooling portion (50) of a heat exchanger (18) and a hot valve (26) fluidly interposed between a hot fluid source (22) and a heating portion (48) of the heat exchanger (18). An air blower (28) forces air through an air duct (30) fluidly interposed between the heat exchanger (18) and an air outlet (32) to be discharged onto the vehicle fuel tank (12). A fuel temperature sensor (40) measures the temperature of the fuel in the fuel tank and generates a first input signal which is communicated to a controller (34) which then generates a control signal. The controller communicates the control signal to the cold and hot valves, whereby the cold and hot valves respond so as to maintain the difference between the first input signal and a predetermined fuel temperature profile within a predetermined range.

REFERENCES:
patent: 4362924 (1982-12-01), Story
patent: 4689967 (1987-09-01), Han et al.
patent: 4775941 (1988-10-01), Gardner et al.
patent: 5053605 (1991-10-01), Thorax
patent: 5369976 (1994-12-01), Ratton
patent: 5441099 (1995-08-01), Yasso
patent: 5526675 (1996-06-01), Ratton

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