Measuring and testing – Internal combustion engine or related engine system or... – Compression
Patent
1986-09-08
1987-12-15
Myracle, Jerry W.
Measuring and testing
Internal combustion engine or related engine system or...
Compression
G01M 1500
Patent
active
047124210
ABSTRACT:
An improved fuel injector testing device (10) for supplying a test fluid (24), under a selected pressure, to a fuel injector (12) to test the fuel spray pattern of the injector (12). The testing device (10) comprises a reservoir (22) for holding the test fluid (24) and pumping apparatus for pumping the test fluid (24) to the injector (12). Such pumping apparatus comprises a pump (26) provided with an inlet port (28) and an outlet port (30), and a fluid supply conduit (32) for establishing fluid communications between the reservoir (22) and the inlet port (28). The testing device (10) further comprises an injector supply for selectively engaging, and communicating test fluid (24) to the injector (12). The injector supply comprises an injector supply conduit (34) for establishing fluid communication between the outlet port (30) of the pump (26) and the injector (12), the injector supply conduit being provided with a first valve (36 ) for selectively terminating the flow of test fluid (24) to the injector (12). A pressure regulating apparatus is also provided for maintaining the test fluid (24) supplied to the injector (12) at a preselected pressure. The pressure regulating apparatus comprises a pressure regulator (46) defining an inlet port (48) in fluid communication with the injector supply conduit (34) and an outlet port (50) in fluid communication with the reservoir (22). The testing device further comprises electrical control (74) for connecting the pump (26) to a suitable power source.
REFERENCES:
patent: 4114426 (1978-09-01), McLean
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