Fluid sprinkling – spraying – and diffusing – With system fluid relief or return to supply – By pressure responsive means
Patent
1998-01-26
2000-01-11
Shaver, Kevin
Fluid sprinkling, spraying, and diffusing
With system fluid relief or return to supply
By pressure responsive means
239124, 222424, B05B 900
Patent
active
060126469
ABSTRACT:
A fuel delivery apparatus for an auxiliary vehicle heater includes a burner with a fuel nozzle. A fuel pump has an intake port and a discharge port. There is a first fuel conduit connected to the intake port. A second fuel conduit connects the discharge port to the nozzle. A third fuel conduit extends between the discharge port and the intake port. A pressure release relief valve is operatively disposed along the third conduit. Fuel from the discharge port is recirculated back to the intake port when pressure of fuel supplied to the nozzle through the second conduit exceeds a preset amount. Preferably the fuel nozzle is an air aspirated fuel nozzle and the fuel pump is a gear pump. The third conduit may be internal to the fuel pump.
REFERENCES:
patent: 1791012 (1931-02-01), Ray
patent: 3258054 (1966-06-01), Sherman
patent: 4718602 (1988-01-01), Beck et al.
Wilnechenko Bruce Conrad
Young Jonathan
Deal David
Shaver Kevin
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