Injection system for an internal combustion engine
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United States of America Patent
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-
Jan 12, 1999
Issued Date -
N/A
app pub date -
May 13, 1997
filing date -
Mar 23, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide an injection system for an internal combustion engine operating on self-igniting liquefied gas as a fuel, and to minimize cavitation and related problems of fuel delivery as well as wear, the fuel tank is configured as a low-pressure storage tank which is connected to a pressure control unit that includes a fuel pumping unit for drawing fuel from the storage tank and delivering the fuel to the suction line of the fuel delivery device and a pressure release line which branches off the suction line and leads back to the storage tank, the pressure release line including a release valve for maintaining a constant interior pressure in the suction line above the vapor pressure of the liquefied gas. The injection system is configured as a leakage-free system.
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