Fuel injection valve testing apparatus

Details Fuel injection valve testing apparatus Fuel injection valve testing apparatus

1976-09-08

1977-08-16

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

G01M 328

Patent

active

040417786

ABSTRACT:
An apparatus for testing the spraying condition of fuel injection valves in Diesel engines for marine or other use comprises an oil pressure booster composed of a high pressure chamber having check valves on opposite sides and a cylinder chamber having a piston for reciprocating plunger in the high pressure chamber, a fuel injection valve connected to the high pressure chamber of the oil pressure booster, an oil feed pump for feeding low pressure oil into the high pressure chamber and cylinder chamber of the oil pressure booster, and a switching valve for feeding oil from the oil feed pump alternately into the oil inlet-outlet ports on opposite sides of the cylinder chamber, the arrangement being such that after the high pressure chamber of the oil pressure booster and the fuel injection valve are filled with low-pressure oil, a high pressure is produced in the high pressure chamber and in the fuel injection valve and this high pressure oil is used to operate the fuel injection valve.

REFERENCES:
patent: 2629255 (1953-02-01), Hartridge
patent: 3727456 (1973-04-01), Gruneberg

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