Method of determination of supply start in injection pumps

Measuring and testing – Internal combustion engine or related engine system or... – Compression

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73168, G01M 1500

Patent

active

045719926

ABSTRACT:
A method of determination of a supply start in an injection pump, includes the steps of blocking an outlet of a pump element, for example, by a valve, supplying a testing medium into the pump element, and determining a supply start upon a pressure increase in the pump element when an upper edge of a pump piston closes a fuel inlet opening of the pump element.

REFERENCES:
patent: 4295364 (1981-10-01), Dooley et al.
patent: 4337650 (1982-07-01), Brandt
patent: 4362052 (1982-12-01), Heath et al.

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