Pressure regulator device and fuel line receptor therefor

Details Pressure regulator device and fuel line receptor therefor Pressure regulator device and fuel line receptor therefor

1989-10-25

1991-05-07

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123467, 137510, 138 30, F02M 0000

Patent

active

050127845

ABSTRACT:
A pressure regulator device which enables greater coaxiality tolerances in the individual parts, without impairing the ability to assemble the parts or impairing a necessary tight sealing. The pressure regulator valve is disposed in a guide opening of a fuel distributor line and a receiving opening of an outlet connection. The pressure regulator valve has a bottom part and an outlet neck. An annular neck groove is embodied on the outlet neck and an annular housing groove is embodied on the bottom part. A sealing ring is disposed in each groove. The annular neck groove is defined by an outer shoulder and an inner shoulder, which has a smaller diameter than the outer shoulder. In the same way, the annular housing groove is defined by an outer shoulder and an inner shoulder, which has a smaller diameter than the outer shoulder. The outer shoulders of each groove allow centering of the pressure regulator valve while the inner shoulders allow concentricity errors. The pressure control device is applicable to fuel injection systems for internal combustion engines.

REFERENCES:
patent: 3948288 (1976-04-01), Mayer
patent: 4205637 (1980-06-01), Ito
patent: 4436112 (1984-03-01), Atkins
patent: 4664142 (1987-05-01), Bertsch
patent: 4679537 (1987-07-01), Fehrenbach
patent: 4741315 (1988-05-01), Fehrenbach
patent: 4747360 (1988-05-01), Affeldt et al.
patent: 4756289 (1988-07-01), Rock
patent: 4825835 (1989-05-01), DeWeerdt

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