Testing device for fuel injectors

Details Testing device for fuel injectors Testing device for fuel injectors

1984-02-06

1985-12-24

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

73 497, G01M 1500

Patent

active

045598150

ABSTRACT:
A known type of fuel injector has a discharge passage which can be closed off by a tip sealing valve and provision for circulating fuel in the vicinity of the discharge passage. In order to test that the passage is completely closed by the tip sealing valve, the passage is closed, and the injector is blocked off from the supply and return lines while remaining full of fuel. An attempt is made to introduce more fuel into the injector and, if a significant amount can be introduced, it means that there is leakage from the injector, presumably through the discharge passage.

REFERENCES:
patent: 3765454 (1973-10-01), Carl
patent: 4428228 (1984-01-01), Banzhaf et al.

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