Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Patent
1994-07-28
1996-07-23
Miller, Carl S.
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
123198D, 123446, F02B 7700
Patent
active
055379729
ABSTRACT:
A pressure intensified fuel injector incorporates an overtravel safety feature which prevents fuel flow through the high pressure chamber of the intensifier upon injection nozzle failure, thereby preventing further and uncontrolled injection events in the event of such failure. The overtravel safety feature is preferably formed by dimensioning the high pressure plunger of the intensifier such that, upon overtravel of the plunger in the event of injector nozzle failure, a side surface of the plunger blocks a fuel inlet port of the high pressure cylinder of the intensifier, thereby preventing further fuel flow through the high pressure cylinder. The intensifier having the overtravel safety feature can be used in either accumulator-type or non-accumulator-type injectors.
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Beck Niels J.
Johnston Bevan H.
Pena James A.
Roach Alan R.
Miller Carl S.
Servojet Electronics Systems
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