Fuel viscosity/density compensation device

Details Fuel viscosity/density compensation device Fuel viscosity/density compensation device

1985-07-18

1989-12-26

Miller, Carl Stuart

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123387, F02M 3900

Patent

active

048890928

ABSTRACT:
Apparatus and a method for effecting fuel viscosity/density compensation are disclosed. A combination of fuel flow through a viscosity sensitive annular orifice and a swirl-type orifice are utilized to create pressure differentials for driving a piston for regulating fuel flow. The components are positioned such that the direct variation of pressure drop across the annular flow orifice with viscosity change and the inverse variation of pressure drop across the swirl orifice with viscosity change, are combined to create an increased force for achieving the desired control effect.

REFERENCES:
patent: 2996053 (1961-08-01), Evans
patent: 3170503 (1965-02-01), Isley
patent: 3204623 (1965-09-01), Isley
patent: 3215185 (1965-11-01), Black
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patent: 3483855 (1969-12-01), Thoma
patent: 4212279 (1980-07-01), Ohanti
patent: 4222713 (1980-09-01), Dekeyser
patent: 4308834 (1982-11-01), Eheim
patent: 4384560 (1983-05-01), Jager
patent: 4512308 (1985-04-01), Hofer
Simmonds, "Automotives Industries", Simmonds Fuel Injection Systems, Nov. 15, 1957, pp. 117-118.

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